[Event "Susan Kantor Memorial"]
[Site "Internet Chess Club"]
[Date "2020.10.18"]
[Round "6"]
[White "Guseinov, Gadir"]
[Black "Burnett, Ron"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2720"]
[BlackElo "2257"]
[Annotator "Hartmann,John"]
[SetUp "1"]
[FEN "r2q2k1/7p/6p1/2pnR3/8/4P2P/3rB1Q1/4R1K1 w - - 0 36"]
[PlyCount "3"]
[EventDate "2020.10.18"]
[SourceVersionDate "2020.10.14"]
[TimeControl "900+5"]

{[#]} 36. Rxd5 $1 Qe7 (36... Rxd5 37. Bc4) (36... Qxd5 37. Qxd5+ Rxd5 38. Bc4)
37. Rxd2 {Black resigns} (37. Rxd2 Qxe3+ 38. Kh1 Qxd2 39. Bc4+ {and it's mate
in seven.}) 1-0

[Event "Susan Kantor Memorial"]
[Site "Internet Chess Club"]
[Date "2020.10.18"]
[Round "5"]
[White "Vakhidov, Jakhongir"]
[Black "Shapiro, Dan"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2609"]
[BlackElo "2297"]
[Annotator "Hartmann,John"]
[SetUp "1"]
[FEN "r1b4r/2p1qpk1/1p1p2pp/1N2n1n1/P1P1PB2/2PP2PP/3Q1RBK/5R2 w - - 0 24"]
[PlyCount "17"]
[EventDate "2020.10.18"]
[SourceVersionDate "2020.10.14"]
[TimeControl "900+5"]

{[#]} {After} 24. d4 $1 {White has to lose a piece.} ({Of course} 24. c5 {
should also win with d3-d4 to follow.}) 24... Nxc4 ({After} 24... Nc6 25. Bxg5
hxg5 (25... Qxg5 $2 26. Rxf7+ Kg8 27. Rf8+ Kg7 28. R1f7#) 26. Rxf7+ Qxf7 27.
Rxf7+ Kxf7 28. Qxg5 {the threat of Qg5-d5+ is looming and Black can't guard
all his weaknesses.}) 25. Bxg5 hxg5 26. Rxf7+ Qxf7 27. Rxf7+ Kxf7 28. Qa2 {
The pin on the c4-knight and the loose c7-pawn spell doom for Shapiro.} d5 29.
Nxc7 (29. exd5 Nd6 30. Nxc7 {is also sufficient to win.}) 29... Bxh3 30. Nxa8
Ne3 31. Bxh3 g4 32. Qf2+ {Black resigns} 1-0

[Event "?"]
[Site "?"]
[Date "2019.08.01"]
[Round "?"]
[White "Caruana, Fabiano"]
[Black "Tesla, Model 3"]
[Result "1-0"]
[ECO "B09"]
[Annotator "Soltis"]
[PlyCount "41"]
[EventDate "2019.??.??"]
[SourceVersionDate "2020.10.14"]

1. e4 g6 2. d4 d6 3. Nc3 Nf6 4. f4 Bg7 5. Nf3 O-O 6. e5 dxe5 7. fxe5 Nd5 8. h4
Nxc3 9. bxc3 Qd5 10. h5 Bg4 11. hxg6 fxg6 12. Be2 Nc6 13. Rb1 Qxa2 14. Rb3 Na5
15. Ng5 Bxe2 16. Qxe2 {[#]} Qa1 17. Kd1 Nxb3 18. Qc4+ e6 19. Qxe6+ Rf7 20.
Qxf7+ Kh8 21. Rxh7# 1-0

[Event "training match"]
[Site "?"]
[Date "1971.05.02"]
[Round "7"]
[White "Balashov et al"]
[Black "Taimanov, Mark"]
[Result "1-0"]
[ECO "B49"]
[Annotator "Soltis"]
[PlyCount "71"]
[EventDate "1971.??.??"]
[SourceVersionDate "2020.10.14"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8.
Be3 Bb4 9. Na4 O-O 10. Nxc6 dxc6 11. c4 Bd6 12. f4 Nxe4 13. c5 Be7 14. Qc2 Nf6
15. Nb6 Rb8 16. Bd4 Nd7 17. Nxd7 Bxd7 18. Qc3 f6 19. Bc4 Kh8 20. Rae1 Qc8 21.
f5 e5 22. Qh3 Qd8 23. Re4 g5 24. b4 b6 25. Ba1 bxc5 26. Qh6 Bd6 {[#]} 27. h4
gxh4 28. Bxe5 Bxe5 29. Rxe5 h3 30. Re3 Bc8 31. Rg3 Rb7 32. Rf4 Bxf5 33. Rxf5
hxg2 34. Kxg2 Rd7 35. Rxf6 Rd2+ 36. Kh3 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Exercise I"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "1r6/7p/5Qpk/2q1Pp2/5P2/5P1K/6RP/8 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Carlsen Inv Prelim"]
[Site "chess24.com INT"]
[Date "2020.04.30"]
[Round "7.3"]
[White "Giri, Anish"]
[Black "Caruana, Fabiano"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2764"]
[BlackElo "2835"]
[Annotator "Soltis"]
[SetUp "1"]
[FEN "1r6/7p/5Qpk/2q1Pp2/5P2/5P1K/6RP/8 w - - 0 55"]
[PlyCount "1"]
[EventDate "2020.04.18"]
[EventType "tourn (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[EventCategory "22"]
[SourceTitle "Mega2020 Update 29"]
[Source "Chessbase"]
[SourceDate "2020.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.09"]
[SourceQuality "1"]

{[#]} 55. Rg5 (55. Rg5 {with the idea of 56. Rh5+ Kxh5 57. Qg5 mate.}) 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Exercise II"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "1R6/5bpk/2p2p1b/p3pP1P/7P/6RK/2PrQN2/q7 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Carlsen Inv Prelim"]
[Site "chess24.com INT"]
[Date "2020.04.20"]
[Round "2.2"]
[White "Firouzja, Alireza"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2728"]
[BlackElo "2863"]
[Annotator "Soltis"]
[SetUp "1"]
[FEN "1R6/5bpk/2p2p1b/p3pP1P/7P/6RK/2PrQN2/q7 w - - 0 41"]
[PlyCount "5"]
[EventDate "2020.04.18"]
[EventType "tourn (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[EventCategory "22"]
[SourceTitle "Mega2020 Update 29"]
[Source "Chessbase"]
[SourceDate "2020.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.09"]
[SourceQuality "1"]

{[#]} 41. Qg4 Qf1+ ({The idea is} 41... Z0 42. Qg6+ Bxg6 43. hxg6#) (41... Bf4
42. Qxg7#) 42. Rg2 Qxg2+ 43. Kxg2 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Exercise III"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/1pq2ppk/p2R1n1p/P3pN2/2r1P3/3Q2PP/5PK1/8 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Carlsen Inv Final 4"]
[Site "chess24.com INT"]
[Date "2020.05.02"]
[Round "1.2"]
[White "Ding, Liren"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2791"]
[BlackElo "2863"]
[Annotator "Soltis"]
[SetUp "1"]
[FEN "8/1pq2ppk/p2R1n1p/P3pN2/2r1P3/3Q2PP/5PK1/8 w - - 0 32"]
[PlyCount "3"]
[EventDate "2020.05.01"]
[EventType "k.o. (rapid)"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "Mega2020 Update 29"]
[Source "Chessbase"]
[SourceDate "2020.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.09"]
[SourceQuality "1"]

{[#]} 32. Rxf6 gxf6 33. Qe3 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Exercise IV"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "3rr2k/1p2q1bp/p5p1/3R1p2/1PQ5/P3B1P1/2R2PKP/8 b - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Carlsen Inv Prelim"]
[Site "chess24.com INT"]
[Date "2020.04.29"]
[Round "6.5"]
[White "Ding, Liren"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2791"]
[BlackElo "2736"]
[Annotator "Soltis"]
[SetUp "1"]
[FEN "3rr2k/1p2q1bp/p5p1/3R1p2/1PQ5/P3B1P1/2R2PKP/8 b - - 0 28"]
[PlyCount "3"]
[EventDate "2020.04.18"]
[EventType "tourn (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[EventCategory "22"]
[SourceTitle "Mega2020 Update 29"]
[Source "Chessbase"]
[SourceDate "2020.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.09"]
[SourceQuality "1"]

{[#]} 28... b5 $1 29. Qd3 Qb7 $1 0-1

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Exercise V"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "5rk1/p4p2/2p3pp/2P1b2q/N1Q5/6P1/PP4RP/3r1R1K b - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Carlsen Inv Prelim"]
[Site "chess24.com INT"]
[Date "2020.04.19"]
[Round "1.2"]
[White "Giri, Anish"]
[Black "Vachier Lagrave, Maxime"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2764"]
[BlackElo "2778"]
[Annotator "Soltis"]
[SetUp "1"]
[FEN "5rk1/p4p2/2p3pp/2P1b2q/N1Q5/6P1/PP4RP/3r1R1K b - - 0 26"]
[PlyCount "1"]
[EventDate "2020.04.18"]
[EventType "tourn (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[EventCategory "22"]
[SourceTitle "Mega2020 Update 29"]
[Source "Chessbase"]
[SourceDate "2020.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.09"]
[SourceQuality "1"]

{[#]} 26... Qf3 (26... Qf3 27. Kg1 (27. Rxd1 Qxd1+ 28. Rg1 Qf3+ 29. Rg2 Rd8 $1)
27... Bd4+) 0-1

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Exercise VI"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "rn1q1rk1/pp2bppp/4bn2/2pNN3/2B5/8/P1P2PPP/1RBQR1K1 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Carlsen Inv Prelim"]
[Site "chess24.com INT"]
[Date "2020.04.22"]
[Round "3.4"]
[White "Nakamura, Hikaru"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2736"]
[BlackElo "2728"]
[Annotator "Soltis"]
[SetUp "1"]
[FEN "rn1q1rk1/pp2bppp/4bn2/2pNN3/2B5/8/P1P2PPP/1RBQR1K1 w - - 0 14"]
[PlyCount "1"]
[EventDate "2020.04.18"]
[EventType "tourn (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[EventCategory "22"]
[SourceTitle "Mega2020 Update 29"]
[Source "Chessbase"]
[SourceDate "2020.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.09"]
[SourceQuality "1"]

{[#]} 14. Nxf7 (14. Nxf7 Rxf7 (14... Bxf7 15. Nxe7+ Kh8 16. Qxd8) (14... Kxf7
15. Rxe6 Kxe6 16. Nxf6+ Kxf6 17. Qf3+ {leads to mate.}) 15. Nxe7+ Qxe7 16. Rxe6
) 1-0

[Event "?"]
[Site "?"]
[Date "2020.08.11"]
[Round "?"]
[White "Lev Lesson 1"]
[Black "?"]
[Result "*"]
[Annotator "LA / AL"]
[SetUp "1"]
[FEN "q3r2k/6pp/8/3Q2N1/8/8/6PP/7K w - - 0 1"]
[PlyCount "7"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]} 1. Nf7+ {[#]} (1. Qd1 Qd8 (1... Qd5 2. Qc1 Qc5 (2... h6) (2... Qxg5) 3.
Qxc5 Re1+ 4. Qg1) (1... Qc6 2. Qb1 Rf8) (1... Qa4) 2. Nf7+) (1. Qxa8 Rxa8 2. h3
) 1... Kg8 2. Nh6+ Kh8 (2... Kf8 3. Qf7#) 3. Qg8+ Rxg8 4. Nf7# *

[Event "?"]
[Site "?"]
[Date "2020.08.11"]
[Round "?"]
[White "Lev Lesson 1"]
[Black "?"]
[Result "*"]
[Annotator "LA / AL"]
[SetUp "1"]
[FEN "q3r2k/6pp/8/3Q2N1/8/8/6PP/7K w - - 0 1"]
[PlyCount "7"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]} 1. Nf7+ {[#]} (1. Qd1 Qd8 (1... Qd5 2. Qc1 Qxg5) 2. Nf7+) (1. Qxa8 Rxa8
2. h3) 1... Kg8 2. Nh6+ Kh8 (2... Kf8 3. Qf7#) 3. Qg8+ Rxg8 4. Nf7# *

[Event "?"]
[Site "?"]
[Date "2020.08.23"]
[Round "?"]
[White "Lev Lesson 2"]
[Black "?"]
[Result "*"]
[Annotator "LA / AL"]
[SetUp "1"]
[FEN "5r1k/6pp/8/6N1/8/2q5/6PP/1Q5K b - - 0 1"]
[PlyCount "2"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]} 1... Qc2 2. Nf7+ *

[Event "US Cadet Championship"]
[Site "?"]
[Date "2020.09.26"]
[Round "3"]
[White "Lu, Maximillian"]
[Black "Shlyakhtenko, Robert"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2431"]
[BlackElo "2459"]
[Annotator "de Firmian,Nick"]
[PlyCount "44"]
[EventDate "2020.??.??"]
[SourceVersionDate "2020.10.14"]

1. b3 d5 2. Bb2 Bg4 3. g3 e6 4. Bg2 Nf6 5. Nf3 Nbd7 6. h3 Bxf3 7. Bxf3 Bd6 8.
c4 c6 {[#] White's double fianchetto opening has gained the two bishops, but
Black has a slight lead in development and a solid central pawn structure.
Chances are even.} 9. d4 Ne4 $1 {The threat of 10...Bb4+ compels White to make
a decision. He decides to trade the bishop for the centralized knight on e4.}
10. Bxe4 dxe4 11. e3 $6 (11. Qd2 f5 12. Nc3 {is more flexible. The white pawn
on e2 would help to cover the light squares.}) 11... O-O 12. Qc2 f5 13. Nd2 b5
$5 14. cxb5 cxb5 15. Qc6 Bb4 {Black gives a pawn to trouble the white king
still stuck in the center.} 16. Qxb5 $6 (16. Qxe6+ Kh8 17. Rd1 {is close to
equal}) 16... Rb8 17. Qc6 $2 {[#]} Nc5 $1 {Seizing the opportunity after the
white queen moved to the wrong square (e2 or c4 was better). Now both 18...
Nd3+ and 18...Rb6 trapping the queen are threatened.} 18. Rd1 (18. dxc5 Qxd2+
19. Kf1 Qxb2) (18. O-O Rb6 {traps the queen}) 18... Nd3+ 19. Ke2 Nxb2 20. Qxe6+
Kh8 21. Rb1 Rb6 $1 22. Qe5 Nd3 {White resigned as he is a piece down and now
also loses the queen.} 0-1

[Event "US Cadet Championship"]
[Site "?"]
[Date "2020.09.27"]
[Round "5"]
[White "Guo, Arthur"]
[Black "Yoo, Christopher"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2446"]
[BlackElo "2540"]
[Annotator "de Firmian,Nick"]
[PlyCount "104"]
[EventDate "2020.??.??"]
[SourceVersionDate "2020.10.14"]

{[#]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 {The less travelled path, but
leading to prickly positions.} (4... Bxf3 5. Qxf3 e6 {is balance, with the
pawns complementing the remaining bishop.}) 5. g4 Bg6 {Now White can lean on
various weak aspects of Black's position (a4-e8 diagonal, vulnerable bishop on
g6) but an alert Black stays out of danger.} 6. exd5 cxd5 7. Bb5+ ({Currently
the computers go for} 7. d4 e6 8. h4) 7... Nc6 8. Ne5 Rc8 9. d4 e6 10. h4 ({
A strong case could be made for} 10. Qe2 {, gently pressuring e6 thus
preventing an ...f7-f6 response to h3-h4.}) 10... f6 11. Nxg6 (11. Bxc6+ {
first makes sense, to keep the rook from getting into the game. Yes, it gives
Black a stronger center, but that's a maybe versus a definitely (pressure on
c3). If White values the two bishops so much, then perhaps 7.Bb5+ wasn't the
right move to begin with!}) 11... hxg6 12. Be3 (12. Qd3 {first keeps Black
from developing bishop and knight right away.} Kf7 13. Bxc6 Rxc6 14. Ne2 $5)
12... Bb4 (12... Kf7 13. Qf3 Qb6 14. O-O-O Bb4 15. Bxc6 Rxc6 16. Ne2 {0-1 (42),
Arjun,K (2477)-Sevian,S (2660) chess.com INT 2020. White was doing quite well
before going off the rails.}) 13. Qd3 Nge7 14. O-O-O {[#]} Qa5 $5 $146 ({
Previously there had been} 14... Kf7 15. Ne2 Na5 16. c3 {1-0 (33) Garcia,G 
(2445)-Gonzalez,G Tunja 1991}) 15. Na4 a6 16. Bxc6+ Nxc6 17. Qb3 b5 18. Nc5
Bxc5 19. dxc5 Qb4 $1 20. Qxb4 Nxb4 21. a3 Nc6 {[#] A textbook situation. Bad
bishop, mobile central pawns -- Christopher just grinds it down.} 22. f4 Kf7
23. Bf2 Rcd8 24. Bg3 d4 25. c3 dxc3 (25... Rd5) 26. bxc3 e5 (26... Rxd1+ 27.
Rxd1 Rd8 28. Rxd8 Nxd8 29. c4 {gives White more chances}) 27. fxe5 fxe5 28. Kc2
Ke6 {The centalized black king and passed e-pawn give black a clear edge.} 29.
Rxd8 Rxd8 30. h5 gxh5 31. gxh5 Rd7 32. Bf2 Rf7 33. Be3 Na5 34. h6 gxh6 35.
Rxh6+ Rf6 36. Rxf6+ Kxf6 {[#] Perhaps White can hold, but it's difficult.} 37.
Kd3 Ke6 38. Ke4 $2 (38. c6 $1 Nxc6 39. c4 {was the best chance to hold.Now
Black just takes control.}) 38... Nc4 39. Bc1 a5 40. Bh6 Nxa3 41. c6 Nc4 42.
Bf8 a4 43. c7 Kd7 44. Kd5 a3 45. Bxa3 Nxa3 46. Kxe5 Kxc7 47. Kd5 Kb6 48. Kd4
Ka5 49. Kc5 Ka4 50. Kd4 Kb3 51. Kd3 Nb1 52. c4 bxc4+ 0-1

[Event "US Cadet Championship"]
[Site "Chess.com"]
[Date "2020.09.27"]
[Round "6"]
[White "Yoo, Christopher"]
[Black "Wang, Justin"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2540"]
[BlackElo "2540"]
[Annotator "Yoo, Christopher"]
[PlyCount "175"]
[EventDate "2020.09.25"]
[EventType "tourn"]
[SourceVersionDate "2020.10.14"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 {Even though White does not
have an advantage in this line, it is very much my style due to it's dynamic
nature.} exd4 6. O-O Be7 7. e5 Ne4 8. Nxd4 O-O 9. Re1 Nxd4 10. Qxd4 Nc5 11. Nc3
d6 12. Bb3 {This move prevents Nxa4 ideas from Black, thus keeping the
coordination of my pieces.} dxe5 13. Qxe5 Bd6 14. Qh5 {The queen on h5 is
rather annoying for Black to deal with in a practical game.} Nxb3 15. axb3 f6
$6 {Black should try to take measures against my possible attacking ideas
instead.} (15... Qf6 $1 {This is a difficult move to find since the Queen can
be attacked in many different ways, but none are sufficient for an advantage.}
16. Ne4 (16. Nd5 Qf5 $1 17. Qxf5 Bxf5 $15) 16... Qe5 17. Bg5 Qxb2 18. Rad1 $44
{White has sufficient compensation for the pawn, but there is no mate and it
will liquidate after Nxd6.}) (15... Bd7 $145 16. Ne4 Bc6 17. Nxd6 Qxd6 18. Qg4
Rae8 19. Bf4 Qd4 20. c3 Qd5 21. c4 Qd4 22. Qg3 {1/2-1/2 (22) Paulik,V (2311)
-Dedina,M (2307) ICCF email 2011}) 16. Ra4 {Along with Rh4 ideas, I can also
play Bf4 in some cases, which gets rid of his important d6-bishop.} g6 17. Qd5+
Kg7 18. Bf4 Bxf4 19. Rxf4 Bf5 {Black is desperately seeking active counterplay
here, due to his lack of development and weak king.} (19... Qxd5 20. Nxd5 Rf7
21. Rc4 $1 {Black cannot defend c7 without worsening his position.} c6 22. Nb6
Rb8 23. Re8 Rf8 24. Re2 {Black's pieces can barely move due to White's Knight
on b6.} Bf5 (24... Kf7 25. Rce4 $16) 25. g4 $1 $18) 20. Qxb7 Rb8 21. Qa7 Rb6 {
My Queen is lacking squares, but I have a nice tactical resource that refutes
my opponent's idea.} 22. Nd5 $1 Rf7 (22... Qxd5 23. Qxc7+ Rf7 24. Qxb6 $18) 23.
Rxf5 $1 (23. Nxb6 $2 {I was tempted to play this move, but he has a nice
intermezzo.} Qd2 $1 24. Ra1 Qxf4 25. Nd5 Qd2 26. Ne3 Bxc2 27. Qxa6 Bxb3 28. Qa3
$14 {White's position is a bit more pleasant, but the advantage is microscopic
compared to the game.}) 23... gxf5 24. Nxb6 Qd2 25. Rf1 {Black can no longer
play Qxf4 as my rook isn't there.} cxb6 26. Qxa6 Qxc2 27. Qxb6 Qxb2 28. b4 $6 {
The b4-pawn cannot be defended now. I should have kept my pawn on b3, as it is
much harder to attack there.} (28. Re1 {It is hard to move the f7-rook off the
7th rank for Black as Re7+ is always a resource for me.} Rd7 29. h3 $18) 28...
Re7 {There is no sufficient way to prevent Re4, followed by winning the b-pawn.
However, I can to create a mating attack while he wastes a few tempi winning
that pawn.} 29. b5 $2 (29. h3 $1 Re4 30. b5 Re5 31. Qc7+ Kg6 32. b6 Rb5 33. Re1
$1 $18 {I will never get back-rank mated as I have played h2-h3.}) 29... Re5 {
I am losing my b5-pawn now.} 30. Qc7+ Kg6 31. b6 Rb5 32. h4 Rxb6 33. h5+ Kh6
34. Qf4+ Kxh5 35. Qxf5+ $2 {I am no longer winning, but I can still put
pressure on my opponent.} (35. Re1 $1 {It is not possible to defend against
Qxf5 and Re7 at the same time for Black.} Kg6 36. Qg3+ Kf7 37. Qc7+ Kg6 38. Re7
$18) 35... Kh6 36. Qh3+ Kg6 37. Qg4+ Kh6 38. Re1 Rb5 39. Qf4+ {I was doing
nothing for the next 20 moves because I wanted to tire him out. It can be
quite an effective strategic when your opponent has no plan.} Kg6 40. Qe4+ Kh6
41. Qh4+ Kg6 42. Qg3+ Kh6 43. Qe3+ Kg6 44. Qd3+ Kh6 45. Qe3+ Kg6 46. Rd1 Qb3
47. Qe4+ Kh6 48. Rc1 Qb2 49. Qe3+ Kg6 50. Rd1 Qb3 51. Qe4+ Kh6 52. Qf4+ Kg6 53.
Re1 Qb4 54. Qg3+ Kh6 55. Qe3+ Kg6 56. Qd3+ Kh6 57. Qh3+ Kg6 58. Qg3+ Kh6 59.
Qe3+ Kg6 60. g3 {I thought it would be a good time to do something, due to his
time pressure.} Rb7 $6 {This move lets me bring my queen and rook into the
attack with tempo.} (60... Re5 61. Qd3+ Kh6 62. Rxe5 fxe5 63. Qe3+ Kg6 64. Qxe5
{He was probably not happy to be down a pawn here, but the position is too
simplified for me to be winning.} h6 65. Qd5 $14 {I can press for many more
moves, but the objective result is a draw.}) 61. Qe8+ Kg7 62. Re4 Qb1+ 63. Kg2
Qd1 $6 (63... h5 $1 {Black is fine here, but it is a bit more difficult to
defend than before due to some provoked weaknesses in black's position} 64. Qc6
$14) 64. Qe6 h5 65. Rf4 Rf7 $2 {I have a nice resource that ties down his
f7-rook and wins the h5-pawn by force.} (65... Qa1 $1 66. Qd5 Rb1 67. Kh2 Re1
68. Rb4 Qd1 $11 {White has a more pleasant position, but there is no clear way
to make progress.}) 66. Qf5 Qe2 67. Re4 $1 {There is no way to make
counterplay for Black. He is simply lost. .} (67. Rh4 Re7 $1 68. Rxh5 Qe4+ 69.
Qxe4 Rxe4 $11) 67... Qd1 (67... Qd3 68. Rg4+ $1 $18) 68. Rh4 $18 Rc7 69. Rxh5
Qc2 70. Qg4+ Qg6 71. Qe2 Qc2 72. Qe3 Qg6 73. Rh4 Kf7 74. Qb3+ Kg7 75. Qe6 Qf7
76. Qf5 Kg8 77. Qg4+ Qg7 78. Qh5 Kf8 79. Rg4 Qh7 80. Qd5 Rd7 81. Qa8+ Kf7 82.
Qa2+ Kf8 83. Rh4 Qg8 84. Qa3+ {The following few moves shows a nice
'staircase' tactic to finish off the game.} Kf7 85. Qb3+ Kf8 86. Qb4+ Kf7 (
86... Re7 87. Re4 Qf7 88. Rxe7 Qxe7 89. Qxe7+ Kxe7 90. Kf3 $19 {There is no
way for Black to keep the opposition in this endgame, as my pawns are too far
back.}) 87. Qc4+ Kf8 (87... Kg7 88. Rg4+ $18) 88. Qc8+ $18 1-0

[Event "US Cadet Championship"]
[Site "?"]
[Date "2020.09.27"]
[Round "7"]
[White "Lu, Maximillian"]
[Black "Yoo, Christopher"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2431"]
[BlackElo "2540"]
[Annotator "de Firmian,Nick"]
[PlyCount "124"]
[EventDate "2020.??.??"]
[SourceVersionDate "2020.10.14"]

1. c4 Nf6 2. Nc3 {This was the last round and Christopher had already won the
tournament, so he offered a draw early on. His opponent though wanted to fight!
} g6 3. g3 c6 4. e4 $5 d5 5. cxd5 cxd5 6. e5 d4 7. exf6 dxc3 8. dxc3 (8. bxc3
exf6 9. d4 {should give White a small edge}) 8... Qxd1+ 9. Kxd1 exf6 10. Bg2
Nc6 {The endgame is equal. White has a three to two pawn majority on the
queenside and hence an optical edge, yet Black has enough counterplay.} 11. Be3
Bf5 12. Ke2 O-O-O 13. Bh3 $1 {It's good to exchange the light-squared bishops,
otherwise the white king could come under fire.} Bxh3 14. Nxh3 Bd6 15. Rhe1 b6
16. f4 Rhe8 17. Kf3 Re6 18. Nf2 Rde8 19. Bd2 f5 {everything is still very even.
} 20. Nd3 Kd7 21. Rad1 Re4 22. b3 h5 23. Nf2 R4e6 24. Nh3 Rxe1 25. Rxe1 Rc8 26.
Re3 Nd8 27. Ng5 f6 $1 28. Nh3 Ne6 29. Nf2 h4 30. Rd3 hxg3 31. hxg3 Ke7 {
White is still hoping to gain something from the queenside majority. Black
should seek kingside play with ...g5 at a good moment.} 32. Be3 Rh8 33. Rd1 Bc5
34. Rh1 Rxh1 35. Nxh1 Nc7 (35... b5 36. Nf2 Kd6 37. Nd3 Bxe3 38. Kxe3 g5 {
should hold the game with little trouble}) 36. Bxc5+ bxc5 37. Nf2 Nd5 38. Nd1
c4 $6 {This gives White a pawn, doubled and isolated as it is. That gives
White real chances in a knight ending.} 39. bxc4 Nb6 40. Ne3 Kd6 41. Ke2 Kc5
42. Kd3 a5 {[#]} 43. Nd5 $1 Nxc4 ({The pawn ending would be lost for Black
after} 43... Nxd5 $2 44. cxd5 Kxd5 45. c4+ Kc5 46. Kc3) 44. Nxf6 Nb2+ 45. Kc2
Nc4 46. Kd3 Nb2+ 47. Kd2 Nc4+ 48. Ke2 a4 49. Nd7+ Kd5 50. Nf8 Nd6 $1 {This is
the move that holds the draw. White will win the g6 pawn but Black will get
the g3 pawn in return after ...Ne4.} 51. Kd3 Ne4 52. Nxg6 Nxg3 53. Nh4 Kc5 {
White is a full pawn ahead now, but there is no way to win with so few (and
vulnerable pawns on the board.} 54. Kc2 Kd5 55. Kb2 Kc4 56. Ka3 Ne2 $1 57. Nxf5
Nxf4 58. Kxa4 Nd5 59. Nd6+ Kxc3 60. Kb5 Kb2 61. a4 Nc3+ 62. Kb4 Nxa4 1/2-1/2

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 1"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "2r3k1/4b1p1/p3p1p1/1p1p2Pn/3P3P/2N1Pr2/PPRB4/1K4R1 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Titled Tues 8th Sep Final"]
[Site "chess.com INT"]
[Date "2020.09.08"]
[Round "3.1"]
[White "Nakamura, Hi"]
[Black "Sevian, Samuel"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2736"]
[BlackElo "2660"]
[Annotator "Hansen,Carsten"]
[PlyCount "69"]
[EventDate "2020.09.08"]
[EventType "k.o. (blitz)"]
[EventRounds "3"]
[SourceTitle "The Week in Chess 1349"]
[Source "Mark Crowther"]
[SourceDate "2020.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.14"]
[SourceQuality "2"]

{[%evp 0,69,22,15,15,12,13,-3,46,43,44,12,9,5,4,-5,14,-12,0,-6,-1,-5,7,-36,-27,
-32,-27,-27,-28,-7,-39,-48,-34,-28,-32,-52,-18,-15,-18,-3,0,12,9,12,17,-45,-51,
-51,-5,3,135,115,115,135,128,136,139,134,168,172,166,188,200,194,198,198,269,
266,323,321,340,355]} 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. d4 Bf5 5. Nc3 e6 6. Nh4
Bg6 7. Qb3 Qc7 8. cxd5 cxd5 9. Bd2 Nc6 10. Nxg6 hxg6 11. O-O-O a6 12. Kb1 Be7
13. Rc1 Rc8 14. f3 O-O 15. g4 Na5 16. Qd1 Nc4 17. g5 Nh5 18. Bxc4 Qxc4 19. f4
Qd3+ 20. Qc2 Qxc2+ 21. Rxc2 f6 22. Rg1 fxg5 23. fxg5 b5 24. h4 Rf3 {[#]} 25.
Nxd5 $1 {Taking advantage of the unprotected pieces on c8 and e7.} Rxc2 26.
Nxe7+ Kf7 27. Kxc2 Kxe7 {White has only won a pawn but the endgame is easily
won for White.} 28. Kd3 Rh3 29. Bb4+ Kd7 30. Rf1 Rxh4 31. Rf7+ Kc8 32. Re7 Rh3
33. Bd6 Kd8 34. Rxe6 Kd7 35. Rxg6 {and Black resigned.} 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 2"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "br1r2k1/p4pp1/Bp3q1p/n1P1p3/P7/Q1P1P3/3N1PPP/1R1R2K1 b - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Panchenko Mem Open A 2020"]
[Site "Chelyabinsk RUS"]
[Date "2020.09.13"]
[Round "7.3"]
[White "Aleksandrov, A.."]
[Black "Khanin, S.."]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2608"]
[BlackElo "2482"]
[Annotator "Hansen,Carsten"]
[PlyCount "48"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "The Week in Chess 1349"]
[Source "Mark Crowther"]
[SourceDate "2020.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.14"]
[SourceQuality "2"]

{[%evp 0,48,22,15,17,6,6,13,13,-2,9,-44,11,17,17,-33,-8,-43,5,-20,5,-1,0,0,21,
27,40,32,32,12,16,-3,-1,9,0,-9,6,-32,-11,-10,16,-94,-94,-136,-358,-341,-367,
-346,-274,-572,-619]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. Bg5 h6 6. Bxf6
Qxf6 7. Qa4+ Nc6 8. e3 O-O 9. Be2 dxc4 10. a3 Bxc3+ 11. bxc3 Bd7 12. Qxc4 Rac8
13. O-O Rfd8 14. Nd2 Na5 15. Qb4 b6 16. Ba6 Rb8 17. Rfd1 Bc6 18. a4 Ba8 19.
Rab1 c5 20. Qa3 e5 21. dxc5 {[#]} Rxd2 $1 ({Also} 21... Qg6 22. Bf1 Rxd2 {wins.
}) 22. Rxd2 Qg6 {The point, the dual threats against g2 and b1.} 23. Bf1 Qxb1 (
{This wins, and so does} 23... Bxg2) ({and} 23... Nc4 {.}) 24. Rd7 Bxg2 $1 {
A final flurry that made White resign. After 25.Kxg2, 25...Qg6+ 26.Kh3 Qe6+
wins White's rook.} 0-1

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 3"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r2q1rk1/2p2p2/p1np2p1/1pb1p1p1/P3P3/1BPP1QNP/1P3PP1/R3R1K1 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "NWC 2nd Int Cup 2020"]
[Site "lichess.org INT"]
[Date "2020.09.13"]
[Round "2"]
[White "Vokhidov, Shamsiddin"]
[Black "Baskin, R.."]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2512"]
[BlackElo "2390"]
[Annotator "Hansen,Carsten"]
[PlyCount "37"]
[EventDate "2020.09.13"]
[EventType "blitz"]
[EventRounds "13"]
[SourceTitle "The Week in Chess 1349"]
[Source "Mark Crowther"]
[SourceDate "2020.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.14"]
[SourceQuality "2"]

{[%evp 0,37,15,8,13,10,29,20,28,-3,-4,-10,2,-1,11,11,44,-10,-10,-10,-4,26,36,
-20,-9,-35,126,4,88,135,153,20,20,18,272,162,410,389,388,395]} 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. h3 Bh5 10.
d3 h6 11. Re1 O-O 12. Nbd2 Nh7 13. Nf1 Ng5 14. Bxg5 hxg5 15. Ng3 Bxf3 16. Qxf3
g6 {[#]} 17. axb5 ({White has another effective possibility along the same
theme:} 17. Bd5 Qd7 18. Qf6 Kh7 19. axb5 axb5 20. Rxa8 Rxa8 21. Bxc6 Qxc6 22.
Qxf7+ {and White is winning.}) 17... axb5 18. Rxa8 Qxa8 19. Qf6 ({Black
resigned as he has no sufficient answer to the threat against the g6-pawn, for
instance,} 19. Qf6 Kh7 20. Bxf7 {and Black is finished.}) 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 4"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r1br3k/5Rbp/1p2pNp1/2p1B3/3P4/8/1P3PPP/3R2K1 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Titled Tuesday 8th Sept"]
[Site "chess.com INT"]
[Date "2020.09.08"]
[Round "8"]
[White "Artemiev, V.."]
[Black "Kamsky, G.."]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2716"]
[BlackElo "2674"]
[Annotator "Hansen,Carsten"]
[PlyCount "55"]
[EventDate "2020.09.08"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[SourceTitle "The Week in Chess 1349"]
[Source "Mark Crowther"]
[SourceDate "2020.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.14"]
[SourceQuality "2"]

{[%evp 0,55,22,-18,43,30,32,8,40,40,40,3,63,74,56,29,39,-1,30,-2,2,7,12,22,22,
19,7,22,15,22,12,8,38,31,40,27,23,31,32,26,29,50,46,56,76,76,49,77,77,73,108,
108,105,134,134,134,603,628]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3
g6 6. Qb3 Bg7 7. cxd5 O-O 8. Be2 Na6 9. Bf3 Qb6 10. Qxb6 axb6 11. Nge2 Nb4 12.
O-O Rd8 13. d6 Rxd6 14. Bf4 Rd7 15. Rfd1 e6 16. Rac1 Nbd5 17. Be5 Bh6 18. Nxd5
Nxd5 19. Rc2 Rd8 20. Nc3 Nb4 21. Re2 Nxa2 22. Ne4 Bg7 23. Nf6+ Kh8 24. Rc2 Nb4
25. Rc7 Nc6 26. Bxc6 bxc6 27. Rxf7 c5 {[#]} 28. Ne8 $1 ({Black resigned.
Everything loses:} 28. Ne8 Rxe8 ({or} 28... Bxe5 29. Rf8#) ({or} 28... Kg8 29.
Rxg7+ Kf8 30. Nc7) 29. Rxg7 {, deciding the game on account of the discovered
checks on either g6 or a7.}) 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 5"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "2rq1rk1/1p3p2/3pb2Q/p3p2p/Pn2P1p1/1PN2P2/1BP5/1K1R1B2 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Titled Tuesday 22nd Sept"]
[Site "chess.com INT"]
[Date "2020.09.22"]
[Round "7"]
[White "Gabrielian, A.."]
[Black "Ponkratov, P.."]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2463"]
[BlackElo "2631"]
[Annotator "Hansen,Carsten"]
[PlyCount "51"]
[EventDate "2020.09.22"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[SourceTitle "The Week in Chess 1351"]
[Source "Mark Crowther"]
[SourceDate "2020.09.28"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.28"]
[SourceQuality "2"]

{[%evp 0,57,24,22,60,56,77,70,59,59,59,25,29,-10,12,-6,11,11,-5,-8,56,49,33,-1,
37,37,71,34,55,-40,-80,-241,-208,-344,-307,-349,-345,-349,-197,-195,-217,-217,
-136,-95,0,-143,47,213,316,222,222,231,883,775,900,900,29997,29998,29999,
-30000]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bg7 7. Bb2
Nf6 8. O-O-O O-O 9. Kb1 a5 10. f3 Bd7 11. h4 h5 12. a4 Nb4 13. Nge2 Rc8 14. Nf4
Bh6 15. g4 hxg4 16. h5 Nxh5 17. Rxh5 gxh5 18. Qh2 Bxf4 19. Qxf4 e5 20. Qh6 Be6
{[#]} 21. f4 $1 ({In the game, White instead played} 21. fxg4 Bxg4 $2 (21...
Qh4 $1 {would have been a better defensive chance}) 22. Be2 Rxc3 $4 (22... Qh4
$1 {was relatively best, intending to meet} 23. Rg1 {with} Qf2 {; now, on the
other hand, White is winning:}) 23. Bxc3 Bxe2 24. Rg1+ Bg4 25. Qxh5 Kg7 26.
Rxg4+ Kf6 27. Be1 Rh8 28. Bh4+ Ke6 29. Qf5#) 21... Qh4 {the pawn can't be
captured because of Nd5 with mayhem on f6 and the long a1-h8 diagonal.} 22. f5
f6 {(the white pawn can't be allowed to reach f6, but White also wins after
the text move)} 23. Qg6+ Kh8 24. fxe6 Qg5 25. Qxg5 fxg5 26. Nb5 {and White is
winning.} 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 6"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r4rk1/pp1n1p2/3p2pQ/2pP4/2P4N/5P2/Pqb1B1PP/2R2RK1 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "ch-Schachbundesliga 2020"]
[Site "Karlsruhe GER"]
[Date "2020.09.17"]
[Round "3.1"]
[White "Kryvoruchko, Y.."]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[ECO "E75"]
[WhiteElo "2682"]
[BlackElo "2682"]
[Annotator "Hansen,Carsten"]
[PlyCount "41"]
[EventDate "2020.09.16"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "The Week in Chess 1350"]
[Source "Mark Crowther"]
[SourceDate "2020.09.21"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.21"]
[SourceQuality "2"]
[WhiteTeam "SC Viernheim"]
[BlackTeam "SG Solingen"]

{[%evp 0,41,23,-25,0,-12,30,26,38,28,32,33,49,16,29,36,60,68,44,29,49,24,24,31,
42,27,43,22,31,31,7,33,26,-1,38,25,165,201,155,184,154,383,408,493]} 1. c4 Nf6
2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. exd5
Bf5 10. Nf3 Qb6 11. Nh4 Ne4 12. Nxe4 Bxe4 13. f3 h6 14. Bxh6 Bxh6 15. Qxh6 Qxb2
16. Rc1 Bc2 17. O-O Nd7 {[#]} 18. Rf2 $1 {A nasty little move that threatens
both Bd1 and Bf1, exploiting the pin of the bishop on c2.} Ba4 19. Bd1 Qa3 20.
Bxa4 Qxa4 {Black appears to have save himself, but now follows the lethal
strike...} 21. f4 $1 {Black resigned as the kingside collapses in the hands of
White's attacking forces and the total absence of defenders. Note that also} (
21. Nxg6 $5 {would win for White but it is a more complicated win, e.g.,} fxg6
22. Qxg6+ Kh8 23. Re2 Rf6 24. Qh5+ Kg8 25. Qg5+ Kf8 26. Rce1 {.}) 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 7"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "3n3r/1kb4p/1p3p1R/2p2r2/P1N1p3/1PB1P3/3P3P/R5K1 b - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "ch-Schachbundesliga 2020"]
[Site "Karlsruhe GER"]
[Date "2020.09.16"]
[Round "1.3"]
[White "Grafl, F.."]
[Black "Beikert, G.."]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2353"]
[BlackElo "2395"]
[Annotator "Hansen,Carsten"]
[PlyCount "72"]
[EventDate "2020.09.16"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "The Week in Chess 1350"]
[Source "Mark Crowther"]
[SourceDate "2020.09.21"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.21"]
[SourceQuality "2"]
[WhiteTeam "FC Bayern Muenchen"]
[BlackTeam "SC Viernheim"]

{[%evp 0,88,26,-25,46,30,47,14,19,3,9,-1,21,16,14,-17,6,21,14,28,14,14,23,50,
43,28,28,22,87,54,57,57,57,64,76,89,107,110,111,81,81,68,60,54,40,62,55,54,88,
17,13,7,12,15,41,41,41,48,48,22,56,35,-1,0,-7,-7,-25,-35,-194,-237,-100,-177,
-261,-258,-234,-242,-258,-264,-255,-255,-257,-296,-312,-336,-327,-351,-350,
-399,-423,-435,-399]} 1. b3 c5 2. Bb2 Nc6 3. e3 e6 4. f4 Nf6 5. Nf3 a6 6. Ne5
Qc7 7. Qf3 Nb4 8. Na3 d6 9. Ng4 Nxg4 10. Qxg4 b6 11. Be2 Bb7 12. Bf3 O-O-O 13.
O-O Rg8 14. f5 Bxf3 15. Rxf3 e5 16. Rh3 f6 17. c3 Nc6 18. Qc4 Rh8 19. Qxa6+ Qb7
20. Qxb7+ Kxb7 21. c4 d5 22. cxd5 Rxd5 23. Bc3 e4 24. g4 Bd6 25. Nc4 Bc7 26. a4
Nd8 27. g5 Rxf5 28. gxf6 gxf6 29. Rh6 {[#]} Nf7 $1 ({The move order is
important, if} 29... Rg8+ 30. Kh1 Nf7 ({or} 30... Rf2 31. Rg1 {are both better
for White.}) 31. Rxh7) 30. Rxf6 Rg8+ 31. Kh1 Rh5 {With the threat against h2,
White is forced to be on the defensive.} 32. Rf2 Nh6 {Now the knight is ready
to join the attack against the white monarch.} 33. Rg1 Ng4 34. Rfg2 ({Or} 34.
Re2 Bxh2 35. Rgg2 Bg3+ 36. Kg1 Nh2 {and it is curtains for White.}) 34... Rf8 (
{In the game, Black instead preferred to keep playing against h2 and soon won
after} 34... Rg6 35. Re2 Bxh2 36. Rgg2 Bg3+ 37. Kg1 Rgh6 38. Kf1 Nh2+ 39. Rxh2
Rxh2 40. Rxh2 Rxh2 41. Kg1 h5 42. b4 h4 43. bxc5 bxc5 44. Na5+ Ka8 {and White
resigned.}) 35. Be5 {if anything else then ...Nf2+ would decide.} Bxe5 36. Nxe5
Nxe5 {and Black is easily winning.} 0-1

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 8"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r4rk1/pp3p2/4pQp1/8/3P4/1R5P/qP3PP1/2R3K1 w - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "Titled Tuesday 8th Sept"]
[Site "chess.com INT"]
[Date "2020.09.08"]
[Round "8"]
[White "Shevchenko, Kirill"]
[Black "Sarana, A.."]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2592"]
[BlackElo "2654"]
[Annotator "Hansen,Carsten"]
[PlyCount "79"]
[EventDate "2020.09.08"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[SourceTitle "The Week in Chess 1349"]
[Source "Mark Crowther"]
[SourceDate "2020.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.14"]
[SourceQuality "2"]

{[%evp 0,57,22,22,48,0,17,21,14,-1,-1,-1,1,-1,-16,-29,24,-49,39,-19,15,44,57,4,
45,45,55,57,63,87,78,33,39,39,35,7,21,-8,-8,-26,49,42,49,18,28,63,95,59,97,92,
193,108,100,90,108,133,119,104,29993,29994]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4.
Bc4 Nb6 5. Bb3 d6 6. exd6 Qxd6 7. Na3 Nc6 8. d4 cxd4 9. Nb5 Qd8 10. Nf3 Bg4 11.
h3 Bxf3 12. Qxf3 e6 13. O-O Be7 14. Rd1 Bf6 15. Nxd4 Bxd4 16. cxd4 O-O 17. Qe4
Nd5 18. Bc2 Nf6 19. Qh4 Ne7 20. Bg5 Ng6 21. Bxg6 hxg6 22. Rd3 Qb6 23. Rb3 Qc6
24. Rc1 Qa6 25. Bxf6 gxf6 26. Qxf6 Qxa2 {[#]} 27. Rg3 $1 ({Pinning the black
king down and frequently threatening Rxg6+. In the game, White quickly won
after} 27. Rxb7 Rab8 28. Re7 Rxb2 $4 ({Black should have played} 28... Qxb2 29.
Rc5 Rbd8 30. Rg5 Qb1+ 31. Kh2 Rd5 {which is also unpleasant for Black but
decidedly better than the game continuation}) 29. Rxf7 $1 {and Black resigned.
Mate follows in a few moves.}) 27... Qxb2 ({Alternatively,} 27... Rac8 28. Re1
Qd5 ({Or} 28... Qxb2 29. Kh2 Qd2 30. Ree3 Qc2 31. Re5 {threatening Rh5,
deciding the game}) 29. Re5 Qxd4 30. Rxg6+ fxg6 31. Qxg6+ Kh8 32. Rh5#) 28. Rc5
$1 {An important point behind the previous move: White threatens Rh5-h8#.} Qb1+
29. Kh2 e5 {This looks like desperation but it is an attempt to open some
files and ranks to allow for a defence. That being said, it doesn't work.} 30.
Rc7 Rad8 31. dxe5 Rde8 ({Or} 31... Rd1 32. Rg4 {with a breathing hole for the
king and too many threats for Black to defend against.}) 32. Rxf7 Rxf7 33.
Rxg6+ {Black's king is wide open and defending it will at minimum cost a rook,
but because the king is so bare while facing a queen and rook, it will
ultimately be a matter of time before he loses. One possible continuation
could be} Kf8 34. Qh8+ Ke7 35. Qh4+ Kd7 36. e6+ $1 Rxe6 37. Qd4+ Ke7 38. Qc5+
Kd7 39. Qd5+ Kc7 40. Qxe6 {and Black will have to give up the queen to prevent
mate.} 1-0

[Event "?"]
[Site "?"]
[Date "2020.10.14"]
[Round "?"]
[White "Puzzle 9"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "kr2r3/3b1p1p/pq3p2/2bP1p1N/2pN4/P1Q2R1P/1PP3P1/1K1R4 b - - 0 1"]
[PlyCount "0"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[#]}  *

[Event "8th Norway Chess 2020"]
[Site "Stavanger NOR"]
[Date "2020.10.07"]
[Round "3.1"]
[White "Tari, Aryan"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "B69"]
[WhiteElo "2633"]
[BlackElo "2863"]
[Annotator "Hansen,Carsten"]
[PlyCount "90"]
[EventDate "2020.10.05"]
[SourceVersionDate "2020.10.14"]

{[%evp 0,70,19,38,40,41,51,40,25,22,32,46,48,46,60,33,48,40,35,30,36,43,30,20,
12,15,15,-10,0,-14,-5,-13,5,23,40,6,51,26,111,108,118,100,101,81,98,101,81,78,
110,116,104,95,52,22,-186,-186,-186,-218,-217,-152,-152,-136,-123,-123,-123,
-198,-173,-262,-262,-271,-271,-290,-271]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 a6 8. O-O-O e6 9. f4 Be7 10. Nf3 b5 11.
Bxf6 gxf6 12. Kb1 Qb6 13. f5 O-O-O 14. Bd3 Kb8 15. Ne2 Bc8 16. Nf4 Ne5 17. Be2
d5 18. exd5 exf5 19. Nd4 Bc5 20. Rhf1 Rhe8 21. a3 Ka8 22. h3 Bd7 23. Nh5 Nc4
24. Bxc4 bxc4 25. Qc3 Rb8 26. Rf3 {[#]} Re1 $3 {Black exploits that both of
White's defenders of the d4-knight are overburdened.} ({Note that Black could
also play} 26... Re4 27. Nc6 Bxc6 28. dxc6 Bd4 {but the game move is strongest.
}) 27. Rxe1 Bxd4 {This was the point behind the previous move, but White can
still fight.} 28. Qb4 Qc7 29. d6 Qc6 30. Qa5 Bxb2 $5 ({The computer gives
preference to} 30... Rxb2+ {but this line looks messier, for instance,} 31. Kc1
Qxd6 32. c3 Rb5 33. Qd8+ Rb8 34. Qe7 Qb6 35. Qb4 Qc7 36. Qxb8+ Qxb8 37. cxd4
Qd6 {and Black is winning. It is no surprise why the World Champion preferred
something more straight-forward.}) 31. Ka2 Be5 32. Rb1 Rxb1 33. Kxb1 Qxd6 34.
Kc1 Qd4 {Black's pieces dominate the board and he eventually won the game after
} 35. Qxa6+ Kb8 36. c3 Qg1+ 37. Kd2 Qxg2+ 38. Ke3 f4+ 39. Nxf4 Bxf4+ 40. Rxf4
Qg3+ 41. Rf3 Qe1+ 42. Kd4 Qe5+ 43. Kxc4 Qe4+ 44. Kc5 Qxf3 45. Kd6 Bc8 {and
White resigned.} 0-1

[Event "Washington Square Swiss"]
[Site "?"]
[Date "2020.10.03"]
[Round "3"]
[White "Bonin, Jay"]
[Black "Espinoza, Pedro"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2298"]
[BlackElo "2129"]
[Annotator "Bonin"]
[PlyCount "47"]
[EventDate "2020.??.??"]
[SourceVersionDate "2020.10.14"]

{[%evp 0,47,27,19,14,22,22,4,4,-9,-12,-5,5,5,20,-37,43,43,53,41,28,42,55,7,19,
-1,54,54,54,54,49,7,65,48,38,38,38,46,46,44,101,71,64,64,56,53,118,122,203,203]
} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Na3 {
I needed to win this game, having lost earlier to Anthony Kozikowski who
organizes these wonderful events. My opponent plays the conservative...} c5 8.
Nxc4 Nc6 9. dxc5 Bxc5 10. a3 a5 11. b3 Qe7 {I would've welcomed a queen trade.
I like queenless middlegames against young players.} 12. Bb2 Rd8 13. Qc2 Bd7
14. Rfc1 Rac8 15. e3 h6 16. Qe2 b5 {Weakening, but what can Black do? My
c4-knight is annoying.} 17. Nce5 Nxe5 18. Nxe5 Be8 19. Rc2 Bb6 {Black is
running out of constructive moves already. Now I take over the light squares.}
20. Nc6 Bxc6 21. Bxc6 b4 22. a4 h5 23. Rac1 {Completing my development.
Black's next move makes my task easier.} e5 24. Qb5 ({I win a pawn by force as
} 24. Qb5 Bc7 {is met by} 25. Bb7 {winning lots of material. I won the game in
a few more moves, and went 3/4 for the tournament to finish in second place.})
1-0

[Event "Washington Square Swiss"]
[Site "?"]
[Date "2020.10.14"]
[Round "2"]
[White "Stolyarov, Alan"]
[Black "Bonin, Jay"]
[Result "0-1"]
[WhiteElo "1926"]
[BlackElo "2302"]
[Annotator "Bonin"]
[SetUp "1"]
[FEN "3r1rk1/1p1qbpp1/p1p1pn1p/4B3/2PPN3/1P1Q4/P4PPP/3R1RK1 b - - 0 1"]
[PlyCount "37"]
[EventDate "2020.??.??"]
[SourceVersionDate "2020.10.14"]

{[%evp 0,37,-9,0,-23,22,-80,-95,-169,-173,-174,-154,-154,-168,-180,-180,-184,
-192,-294,-294,-198,-193,-190,-144,-229,-186,-181,-203,-541,-541,-1381,-260,
-29991,-29992,-29993,-29994,-29997,-29998,-29999,-30000] It's amazing how I
got something out of nothing in this position.} {[#]} 1... Ng4 2. Bg3 f5 3. Nc3
f4 4. h3 fxg3 5. hxg4 gxf2+ 6. Rxf2 Rxf2 7. Kxf2 e5 8. d5 Qxg4 9. Ne4 cxd5 10.
cxd5 Rf8+ 11. Kg1 Rf4 12. d6 Bd8 13. Qd5+ Kh7 14. Nf2 Bb6 15. Rf1 e4 16. Qxb7
Bxf2+ 17. Rxf2 Qd1+ 18. Kh2 Rh4+ 19. Kg3 Qg4# 0-1

[Event "London International"]
[Site "London"]
[Date "1899.06.30"]
[Round "23"]
[White "Blackburne, Joseph Henry"]
[Black "Steinitz, William"]
[Result "0-1"]
[ECO "D02"]
[Annotator "Lapshun"]
[PlyCount "92"]
[EventDate "1899.??.??"]
[SourceVersionDate "2020.10.14"]

{In this game from Steinitz's final tournament, a mere 13 months before his
death, he throws caution to the wind to annihilate the Englishman Joseph
Blackburne, a world-class master and perennial rival whom Steinitz had first
locked horns with close to 40 years earlier.} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4.
e3 Nc6 5. c3 {No, this is not a Magnus Carlsen game from 2020. The London
System, it seems, was as fashionable 120 years ago as it is today!} Qb6 6. Qc1
({Today it is widely understood that} 6. Qb3 {is the best response, and that
whichevever side ends up initiating a queen trade will get the worse of the
deal since the rook's activity on a half-open a-file will outweigh the
disadvantage of doubled pawns. Consequently, in the modern main line, the
White Q retreats after provoking ...c5-c4:} c4 7. Qc2 $1 Bf5 8. Qc1 e6 9. Nbd2
$11) 6... Bf5 7. dxc5 {Surrendering the center works out badly for White.} Qxc5
8. Nbd2 Rc8 9. Nb3 Qb6 10. Nbd4 Be4 {An aggressive, computer-like reply.} 11.
Nxc6 bxc6 12. Nd2 $2 {A needless retreat that further reduces White's central
influence.} Bf5 13. Be2 Nd7 ({The start of an ambitious plan to target White's
Bf4 via pawn advances.} 13... e6 {was the most natural move.}) 14. O-O e5 15.
Bg3 h5 $5 ({The simple} 15... Be7 {is a good move for humans and computers,
but Steinitz is searching for a mating attack.}) 16. h3 g5 $5 17. e4 (17. c4 {
was the best way to challenge Steinitz's wild attack. But Blackburne found
another good central thrust.}) 17... Be6 18. b4 (18. Re1 {could support
white's counterplay in the center.}) 18... g4 19. h4 Bh6 20. a4 $6 {Until this
time-wasting idea, the chances still were closely balanced.} ({Perferable is
either the solid} 20. Qc2 {followed by Rad1,}) ({or the ambitious} 20. Re1 dxe4
21. Qc2 f5 22. Nxe4 $5 fxe4 23. Qxe4 Ke7 ({White is winning after} 23... Kf7 $2
24. Bc4) 24. Bc4 Bd5 $1 (24... Bxc4 $4 25. Bxe5 $1 {wins for White}) 25. Bxd5
cxd5 26. Qxd5 {, reaching a wild position with roughly equal chances according
to Stockfish}) 20... dxe4 21. a5 Qc7 22. Qc2 f5 {Black has attained an
advantage that is growing into a winning position.} 23. Nc4 Bd5 24. Rfd1 f4 {
Now the dark squared White Bishop is reduced to just a big pawn} 25. Bh2 Nf6
26. g3 O-O ({The natural} 26... f3 {would finish entombing the White Bh2. But
the text is even stronger; it's the white king that Steinitz aims to entomb.})
27. gxf4 exf4 28. Bf1 Qg7 29. Kh1 e3+ (29... g3 {was another of many ways to
win this completely winning position.}) 30. Rxd5 cxd5 31. Nd6 Ne4 32. Nxe4 dxe4
33. fxe3 g3 34. Bh3 Rxc3 35. Qa2+ Kh8 36. Rg1 Qf6 37. Rd1 gxh2 38. b5 Rxe3 39.
b6 axb6 40. a6 f3 41. a7 f2 42. Rf1 Re1 43. Qc4 e3 44. Qe4 ({Neither could} 44.
Bg2 e2 {stop three Black pawns on the second rank.}) 44... e2 45. a8=Q Rxf1+
46. Kxh2 Qd6+ {and Kg2 will be met with ...Rg1#} 0-1

[Event "Lasker Emanuel sim"]
[Site "USA"]
[Date "1939.??.??"]
[Round "?"]
[White "Lasker, Emanuel"]
[Black "Demby, M.."]
[Result "1-0"]
[ECO "C16"]
[Annotator "Lapshun"]
[PlyCount "41"]
[EventDate "1939.??.??"]
[SourceVersionDate "2020.10.14"]

{Emanuel Lasker demonstrates computer-like precision in the following game,
played when he was 70 (!) years old and had less than two years left to live.
Although the setting was a simultaneous exhibition, Lasker's opponent, Max
Demby, was not a typical hapless "N.N." victim. Some 20 years earlier Demby
won a tournament in Panama, and close in time to this game he was one of 4
opponents to draw against George Koltanowski in a 10-board blindfold
exhibition at the Manhattan Chess Club.} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7
(4... c5 5. a3 Bxc3+ 6. bxc3 Ne7 {is one of the main variations.}) 5. a3 Bxc3+
6. bxc3 O-O 7. Bd3 c5 8. Qh5 g6 (8... Nf5 {seems safer after} 9. Nf3 ({if} 9.
g4 Qh4 {forces a queen trade}) 9... c4 {10. Bxf5 exf5. However, White has a
much stronger option:} 10. g4 $1 g6 ({or} 10... cxd3 11. gxf5 exf5 12. Rg1 g6
13. Qh6 f6 14. Rxg6+ hxg6 15. Qxg6+ {with a winning attack}) 11. Qh3 cxd3 12.
gxf5 exf5 13. Bg5 {leaves Black's kingside fatally weakened.}) 9. Qh6 f6 10.
Nf3 (10. h4 {was another good attacking move, but Lasker safely develops his
pieces.}) 10... Nd7 11. h4 Rf7 (11... Nf5 12. Bxf5 exf5 13. Kf1 Re8 14. Rh3 Qe7
15. h5 {couldn't stop White's attack.}) 12. exf6 Nxf6 13. Ne5 Rg7 14. Bg5 Nf5 (
14... Qf8 15. Bxf6 Qxf6 16. h5 Nf5 17. Bxf5 cxd4 18. cxd4 exf5 19. hxg6 {
is similar to the game}) 15. Bxf5 exf5 16. h5 Qe7 (16... Qf8 17. hxg6 {is
hopeless for Black in this lost position.}) 17. Bxf6 Qxf6 18. hxg6 Qe7 19. Kd2
(19. Kf1 {wins too, but it's amazing to see Lasker's moves throughout this
game coincide with the computer's first choices.}) 19... Be6 20. Rh5 Rc8 21.
gxh7+ {Now on ...Rxh7 22.Rg5+ Black has no decent reply, while ...Kh8 22.
Ng6+secures an overwhelming advantage in material and position.} 1-0

[Event "?"]
[Site "?"]
[Date "2020.08.17"]
[Round "?"]
[White "Win PP ...Bd7 lines for revie"]
[Black "?"]
[Result "*"]
[ECO "C18"]
[Annotator "Watson,John"]
[PlyCount "60"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

{[%evp 0,60,25,36,34,24,24,20,41,30,26,31,33,25,25,13,11,54,62,57,72,64,94,81,
95,62,131,45,28,20,34,45,80,108,80,41,70,41,90,90,38,77,106,106,106,-35,-35,
-215,-215,-215,-215,-215,-223,-206,-215,-211,-207,-246,-200,-729,-729,-751,
-639]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7
8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. Qd3 Bd7 {[#]} 13. Qxc3
Nf5 14. Rb1 d4 15. Qd3 (15. Qc4 Qa5+ 16. Kf2 Nce7 $1 17. Rxb7 Rc8 18. Qd3 Bc6
19. Rb2 Nd5 {gives Black typical attacking counterplay}) 15... O-O-O 16. Rg1
Na5 17. g4 Ba4 $1 18. c3 {[#]} (18. gxf5 Bxc2 19. Qb5 Rh8 $1 20. fxe6 Bxb1 21.
Qxb1 d3 22. Ng3 Rxh2 {with full compensation}) 18... Bc2 $1 {The prettiest
move, although} (18... Nb3 19. gxf5 (19. cxd4 $2 Nfxd4) 19... Rxg1 20. Nxg1
dxc3 ({or} 20... Nc5 $11) 21. Qe3 Rd1+ $1 22. Kf2 c2 {also gives Black plenty
of play}) 19. Qxc2 (19. Qb5 $4 Bxb1 20. gxf5 Rxg1 21. Nxg1 Bxf5 $19) 19... d3
20. Qa2 Qc5 21. Rg2 Ne3 22. Bxe3 (22. Ng3 Rxg4 23. Rf2 Nac4 $11) 22... Qxe3 23.
Rg3 $2 (23. Qd2 Qxd2+ 24. Kxd2 Nc4+ 25. Ke1 d2+ 26. Kf2 d1=Q 27. Rxd1 Rxd1)
23... d2+ 24. Kd1 Qf2 25. Kc2 d1=Q+ 26. Rxd1 Rxd1 27. Kxd1 Qxf1+ 28. Kd2 b5 29.
Ke3 Nc4+ 30. Ke4 Qf2 {0-1 J Hjartarson-J Nogueiras Santiago,Belfort1988.} *

[Event "?"]
[Site "?"]
[Date "2020.08.20"]
[Round "?"]
[White "Exchange Var for Giri Review"]
[Black "?"]
[Result "*"]
[ECO "C01"]
[Annotator "Watson,John"]
[PlyCount "20"]
[EventDate "2020.10.14"]
[SourceVersionDate "2020.10.14"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 ({After} 4. Bd3 {, Giri recommends} c5 {
, when} 5. dxc5 Bxc5 6. Nf3 Nf6 {transposes to 4 Nf3 Nf6 5 Bd3 c5 6 dxc5 Bxc5})
4... Nf6 {Now 5 c4 Bb4+ is unbalanced and double-edged, but if White is intent
upon playing as safely as possible he often chooses} 5. Bd3 {Now Black plays 5.
..Bd6 in the majority games, and either 5...Be7 or 5...Bg4 in most others.
These are not particularly exciting lines. Giri suggests the more dynamic
unbalancing move} c5 {, which is surprisingly rare,especially since it was
Carlsen's choice in this position and Caruana has played it as well. [#] Then
it won't be easy for White to simplify, e.g.,} 6. O-O (6. dxc5 Bxc5 7. O-O O-O
{gives Black active piece play in return for the isolated pawn, for example,}
8. Bg5 (8. Nc3 h6 9. h3 Nc6 {with the idea ...Re8 has scored well for Black})
8... h6 9. Bh4 g5 $1 10. Bg3 Ne4 {, when one game went} 11. Nbd2 f5 12. Bxb8
Rxb8 13. Nb3 Bb6 14. Nfd4 Qf6 {and the bishop pair proved strong in V Gunina-A
Gupta, Caleta 2018}) 6... c4 7. Re1+ Be7 8. Bf1 ({The Carlsen game went} 8. Be2
O-O 9. b3 cxb3 (9... Be6 {is also fine}) 10. axb3 Nc6 11. c3 Re8 12. Nbd2 Bd6
$11 {R Fontaine - M Carlsen, chess.com 2018}) 8... O-O 9. b3 cxb3 10. axb3 Nc6
{with an unbalanced structure and chances for both sides} *

[Event "Hastings"]
[Site "Hastings White Rock Pavilion"]
[Date "1935.01.01"]
[Round "5"]
[White "Lilienthal, Andre"]
[Black "Capablanca, Jose Raul"]
[Result "1-0"]
[ECO "E24"]
[Annotator "Pandolfini,Bruce"]
[PlyCount "53"]
[EventDate "1935.??.??"]
[SourceVersionDate "2020.10.14"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 d5 7. Bg5 h6 {[#]}
8. Bh4 Ba6 9. e4 Bxc4 10. Bxc4 dxc4 11. Qa4+ Qd7 12. Qxc4 Qc6 13. Qd3 Nbd7 14.
Ne2 Rd8 15. O-O a5 16. Qc2 Qc4 17. f4 Rc8 18. f5 e5 19. dxe5 Qxe4 20. exf6 Qxc2
21. fxg7 Rg8 22. Nd4 Qe4 23. Rae1 Nc5 24. Rxe4+ Nxe4 25. Re1 Rxg7 26. Rxe4+ Kd7
27. Re7+ 1-0

[Event "ABC-356"]
[Site "?"]
[Date "1935.01.01"]
[Round "?"]
[White "Problem 1"]
[Black "?"]
[Result "0-1"]
[Annotator "Pandolfini,Bruce"]
[SetUp "1"]
[FEN "2k5/6b1/5r2/2P5/6b1/8/3N1Pp1/4K1R1 b - - 0 1"]
[PlyCount "0"]
[EventDate "1935.??.??"]
[SourceVersionDate "2020.10.14"]

 0-1

[Event "ABC-356"]
[Site "?"]
[Date "1935.01.01"]
[Round "?"]
[White "Problem 2"]
[Black "?"]
[Result "0-1"]
[Annotator "Pandolfini,Bruce"]
[SetUp "1"]
[FEN "3rr3/1k6/2b5/b7/6B1/B2P1P2/1pP5/1R1K1R2 b - - 0 1"]
[PlyCount "0"]
[EventDate "1935.??.??"]
[SourceVersionDate "2020.10.14"]

 0-1

[Event "ABC-356"]
[Site "?"]
[Date "1935.01.01"]
[Round "?"]
[White "Problem 3"]
[Black "?"]
[Result "0-1"]
[Annotator "Pandolfini,Bruce"]
[SetUp "1"]
[FEN "2k5/3r4/8/8/7n/2b1P2N/4KBp1/2R5 b - - 0 1"]
[PlyCount "0"]
[EventDate "1935.??.??"]
[SourceVersionDate "2020.10.14"]

 0-1

[Event "ABC-356"]
[Site "?"]
[Date "1935.01.01"]
[Round "?"]
[White "Problem 4"]
[Black "?"]
[Result "0-1"]
[Annotator "Pandolfini,Bruce"]
[SetUp "1"]
[FEN "6k1/8/1n3b2/5p2/5P2/1N3P2/3rPKB1/6R1 b - - 0 1"]
[PlyCount "0"]
[EventDate "1935.??.??"]
[SourceVersionDate "2020.10.14"]

 0-1

[Event "ABC-356"]
[Site "?"]
[Date "1935.01.01"]
[Round "?"]
[White "Problem 5"]
[Black "?"]
[Result "0-1"]
[Annotator "Pandolfini,Bruce"]
[SetUp "1"]
[FEN "8/8/3k4/8/2PKP2B/4r2R/5bP1/8 b - - 0 1"]
[PlyCount "0"]
[EventDate "1935.??.??"]
[SourceVersionDate "2020.10.14"]

 0-1

[Event "ABC-356"]
[Site "?"]
[Date "1935.01.01"]
[Round "?"]
[White "Problem 6"]
[Black "?"]
[Result "0-1"]
[Annotator "Pandolfini,Bruce"]
[SetUp "1"]
[FEN "k5r1/p1P3b1/3p4/8/2Q1pq2/5b2/5Pp1/RR4K1 b - - 0 1"]
[PlyCount "0"]
[EventDate "1935.??.??"]
[SourceVersionDate "2020.10.14"]

 0-1

[Event "1st FIDE Conf Cup for the Disabled"]
[Site "?"]
[Date "2019.12.09"]
[Round "2"]
[White "McConnell, Griffin"]
[Black "Scheffner, Jarno"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1769"]
[BlackElo "1955"]
[Annotator "McConnell"]
[PlyCount "79"]
[SourceVersionDate "2020.10.14"]

1. e4 c5 2. Nc3 a6 3. d3 g6 4. g3 Bg7 5. Be3 d6 6. Bg2 Nc6 7. Nge2 Nf6 8. h3
O-O 9. O-O Nd7 10. Qd2 Nd4 11. Nd1 Nxe2+ 12. Qxe2 h6 13. f4 f5 14. exf5 gxf5
15. Bd2 Nf6 16. Qf2 Qe8 17. Bc3 Qg6 18. Bxf6 Bxf6 19. c3 Ra7 20. Ne3 b5 21. Kh2
e6 22. Rad1 Rg7 23. Bf3 Kh8 24. Rg1 h5 25. Qe2 h4 26. g4 fxg4 27. hxg4 Be7 28.
Be4 {[#]} Qf6 29. Rdf1 d5 30. g5 Qf7 31. g6 Qxf4+ (31... Qe8 32. Qh5+ Kg8 33.
Nxd5) 32. Rxf4 Bd6 33. Qh5+ Kg8 34. Nxd5 Bb7 (34... exd5) 35. Nf6+ Rxf6 36.
Qh7+ Rxh7 37. gxh7+ Kf7 38. h8=Q Rxf4 39. Qg8+ (39. Rg7+ Kf6 40. Rh7+ Kg5 41.
Qg7#) 39... Ke7 40. Rg7+ (40. Rg7+ Rf7+) 1-0

