[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2014.2.19"]
[Round ""]
[White "Ricardo"]
[Black "Lucy"]
[TimeControl "2400"]
[Result "1-0"]
[ECO " "]
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Qd5 5.Bd3 Qe6 6.Nf3 f5 7.O-O fxe4 8.Ng5 Qg6 9.Bxe4 Qd6 10.Be3 h5 11.Qd2 Bf5 12.Bf4 e5 13.dxe5
Qc7 14.e6 Qe7 15.Bd6 Qxd6 16.Qxd6 Bxd6 17.Bxf5 Ke7 18.Rad1 Nh6 19.Bh3 b5 20.Rd3 a5 21.Rfd1 Rf8 22.Rxd6 Rf4 23.Rd7+ Nxd7 24.exd7
Rh4 25.d8=Q+ Rxd8 26.Rxd8 Kxd8 27.g3 Rb4 28.f4 Ke7 29.f5 Rc4 30.c3 a4 31.a3 Ke8 32.Ne6 Kd7 33.Nxg7 Rg4 34.Bxg4 hxg4 35.f6 Nf7
36.h3 gxh3 37.Kh2 c5 38.g4 b4 39.cxb4 c4 40.g5 c3 41.bxc3 Kc8 42.g6 Nd8 43.f7 Nxf7 44.gxf7 Kc7 45.f8=Q Kb7 46.Qd6 Ka8 47.c4 Kb7
48.c5 Ka7 49.c6 Kb6 50.c7+ Kb7 51.c8=Q+ Kxc8 52.b5 Kb7 53.Qb4 Kc7 54.b6+ Kb7 55.Ne6 Kc6 56.b7 Kd5 57.Nf4+ Ke5 58.Ne2 Ke6 59.b8=Q
Kf6 60.Qc5 Kg7 61.Qbb6 Kf7 62.Qcc7+ Kg8 63.Qbb8# 1-0
White wins!
Winning against a much better opponent is not an easy deed, especially when the game was balanced. Congratulations!
Game type: Balanced
Equilibrium percentage: 42%, lasting for 27 moves
Opening used: Caro-Kann Defense / Traditional
Best move: 44, gxf7, Increase: 84.90
Worst move: 15, Bd6, Decrease: 7.00
Mate opportunities: 8
Suggested opponent: Raj (rating 1031)
Your rating increased by 30 points and is now 748.
Your Standard rating increased by 26 point(s) and is now 748.
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2-19-2014"]
[Round ""]
[White "Ricardo"]
[Black "Lucy"]
[Result "1-0"]
[ECO "c) U"]
;Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 70 seconds
;per move.
;
; White Black
;Book Move 4 3
;Leave Book 0 1
;CMX Agrees 38 39
;CMX Disagrees 21 20
;Agreement Pct. 64% 66%
;Total Error 44.03 46.13
;Relevant Error 44.03 42.23
;Missed Mate 7 0
;Moved Into Mate 0 1
;
;
1. e4 ... ;B00 King's Pawn Opening. The King's Pawn
;opening move is both popular and
;logical. It controls the center, opens
;lines for both the Queen and the Bishop,
;and usually leads to an open game in
;which tactics, rather than slow
;maneuvering, predominates.
... c6 ;B10 Caro-Kann Defense. The Caro-Kann
;Defense may be compared to the Slav
;Defense against the Queen's Pawn: It
;strives for defense of the strong-point
;at d5 and development of the Queen's
;Bishop.
2. d4 ... ;B10 Caro-Kann Defense. 1.e4 c6 2.d4 is
;the start of the Caro-Kann Defense, a
;defense of long-standing merit. Black
;quietly stakes out a share of the center
;via support for the ...d5-pawn, and will
;use the half open c-file (after the
;exchange on d5) for his counterplay. If
;Black avoids the exchange on d5, Black
;will then play ...c5 later, undermining
;White's center.
... d5 ;B10 Caro-Kann Defense.
3. Nc3 ... ;B15 Caro-Kann Defense / Traditional.
... dxe4 ;B15 Caro-Kann Defense / Traditional.
4. Nxe4 ... ;B15 Caro-Kann Defense / Traditional.
... Qd5 ;Out of Opening Book. Bf5 would have been
;in the Caro-Kann Defense / Capablanca
;Variation - Main Line book opening.
;Attacks White's knight at e4 and blocks
;White's pawn at d4.
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5. Bd3 ... ;Removes the threat on White's knight at
;e4.
... Qe6 ;Pins White's knight at e4.
6. Nf3 ... ;Enables the short castle.
... f5 ;Threatens White's knight at e4.
7. O-O ... ;Leads to 7...fxe4 8.Ng5 Qg4 9.Be2 Qf5
;10.f3 e3 11.Bxe3 Nf6 12.Bd3 Qa5 13.Ne4
;Be6, which wins a pawn for a knight.
;Better is Ng5, leading to 7...Qd5 8.Ng3
;e5 9.Nxf5 g6 10.Ne3 Qxd4 11.O-O Nf6
;12.Nf3 Qf4, which wins a pawn for a
;pawn.
... fxe4 ;Forks White's bishop at d3 and White's
;knight at f3. Black wins a knight. Black
;is ahead by a knight.
8. Ng5 ... ;Moves it to safety and attacks Black's
;queen.
... Qg6 ;Moves it to safety.
9. Bxe4 ... ;Attacks Black's queen. White wins a
;pawn.
... Qd6 ;Moves it to safety.
10. Be3 ... ;Slightly better is Bxh7.
... h5 ;Leads to 11.Re1 Bg4 12.Qd3 Nh6 13.Bg6+
;Kd8 14.h3 Bd7 15.Bxh5 Bf5 16.Ne4 Qc7,
;which loses a pawn. Better is Nf6,
;leading to 11.c4 Nxe4 12.Nxe4 Qg6 13.f3
;Nd7 14.Qd3 Nf6 15.Rae1 Be6 16.Bd2 Nxe4
;17.fxe4, which wins a bishop and a
;knight for two knights.
11. Qd2 Bf5 ;Hangs the bishop at f5. Leads to 12.Bxf5
;Na6 13.Be6 Qb4 14.c3 Qb5 15.Qc2 Nh6
;16.c4 Qb6 17.Rae1 Nb4, which loses a
;bishop. Better is Nd7, leading to 12.Qd3
;Nh6 13.Bg6+ Kd8 14.Bf4 Qf6 15.Bxh5 Nb6
;16.Qg3 Nd5 17.Be5, which loses a pawn.
12. Bf4 ... ;Leads to 12...Qg6 13.Bxf5 Qxf5 14.Rfe1
;Nd7 15.Ne6 Kf7 16.Qb4 Nb6 17.Rac1 Nf6
;18.Re5 Qg4, which wins a bishop for a
;bishop. Better is Bxf5, leading to
;12...Na6 13.Be6 Qb4 14.c3 Qb5 15.Qc2 Nh6
;16.c4 Qb6 17.Rae1 Nb4, which wins a
;bishop.
... e5 ;Leads to 13.Bxf5 exf4 14.Rfe1+ Be7
;15.Re6 Qd5 16.Qxf4 Na6 17.Rae1 Rh6
;18.Bg6+ Kd7 19.Nf7 Rf8, which wins a
;bishop for a bishop and a pawn. Better
;is Qg6, leading to 13.Bxf5 Qxf5 14.Rfe1
;Nd7 15.Ne6 Kf7 16.Qb4 Nb6 17.Rac1 Nf6
;18.Re5 Qg4, which wins a bishop for a
;bishop.
13. dxe5 ... ;Leads to 13...Qxd2 14.Bxd2 Bxe4 15.Nxe4
;Nd7 16.Rad1 Nxe5 17.Bc3 Nd7 18.Ng5 Ngf6
;19.Rfe1+ Be7 20.Ne6 Kf7 21.Nxg7, which
;wins a queen, a bishop, and two pawns
;for a queen, a bishop, and a pawn.
;Better is Bxf5, leading to 13...exf4
;14.Rfe1+ Be7 15.Re6 Qd5 16.Qxf4 Na6
;17.Rae1 Rh6 18.Bg6+ Kd7 19.Nf7 Rf8,
;which wins a bishop and a pawn for a
;bishop.
... Qc7 ;Ouch! Leads to 14.Bxf5 Ne7 15.Ne6 Qd7
;16.Nxg7+ Bxg7 17.Bxd7+ Nxd7 18.Qd6 Bf8
;19.Rad1 Nb6 20.Bg5 Rg8, which wins a
;bishop and a knight for a queen, a
;bishop, and a pawn. Much better is Qxd2,
;leading to 14.Bxd2 Bxe4 15.Nxe4 Nd7
;16.Rad1 Nxe5 17.Bc3 Nd7 18.Ng5 Ngf6
;19.Rfe1+ Be7 20.Ne6 Kf7 21.Nxg7, which
;wins a queen, a bishop, and a pawn for a
;queen, a bishop, and a pawn. This was
;black's critical error in the game.
;Black did recover, but was later mated.
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14. e6 ... ;Slightly better is Bxf5.
... Qe7 ;Leads to 15.Bxf5 Rh6 16.Nf7 Rf6 17.Nd6+
;Qxd6 18.Bxd6 Bxd6 19.Qxd6 Rxf5 20.Qc7
;Na6 21.Qxb7 Rb8 22.Qxa6, which wins two
;bishops and a knight for a queen, two
;bishops, a knight, and a pawn. Better is
;Bb4, leading to 15.c3 Qc8 16.Bxf5 Ne7
;17.Qd3 Nd5 18.Bg6+ Ke7 19.Qd4 Qf8
;20.Bxb8 Bxc3, which wins a pawn for a
;bishop and a knight.
15. Bd6 ... ;Danger! Leads to 15...Qxd6 16.Qxd6 Bxd6
;17.Bxf5 Nh6 18.Bg6+ Ke7 19.g3 Na6
;20.Rad1 Nc5 21.Rfe1 Kf6 22.Rxd6 Kxg6,
;which wins a queen and two bishops for a
;queen and two bishops. Much better is
;Bxf5, leading to 15...Rh6 16.Nf7 Rf6
;17.Nd6+ Qxd6 18.Bxd6 Bxd6 19.Qxd6 Rxf5
;20.Qc7 Na6 21.Qxb7 Rb8 22.Qxa6, which
;wins a queen, two bishops, a knight, and
;a pawn for two bishops and a knight.
;White had a won game before this error,
;but it was not costly; white was able to
;eventually mate.
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... Qxd6 ;Attacks White's queen.
16. Qxd6 Bxd6
17. Bxf5 ... ; White wins a queen and a bishop for a
;queen and a bishop.
... Ke7 ;Blocks White's pawn at e6.
18. Rad1 Nh6 ;Attacks White's bishop.
19. Bh3 ... ;Moves it to safety.
... b5
20. Rd3 a5
21. Rfd1 Rf8 ;Leads to 22.Rxd6 Nf5 23.R6d3 g6 24.Nf7
;Kf6 25.Bxf5 gxf5 26.Re1 Re8 27.Rd6 Ra7
;28.f3, which wins a bishop for a bishop
;and a knight. Better is Be5, leading to
;22.c3 Ng4 23.g3 Rf8 24.f3 Nf6 25.f4 Bc7
;26.Bg2 Bb6+ 27.Kh1 Bc5 28.Re1, which
;results in no captures.
22. Rxd6 ... ; White wins a bishop.
... Rf4 ;Slightly better is Nf5.
23. Rd7+ ... ;Hangs the rook at d7. Leads to 23...Nxd7
;24.exd7 Nf7 25.Re1+ Kd6 26.Ne4+ Kc7
;27.g3 Rxe4 28.Rxe4 Ng5 29.Re8 Nxh3+
;30.Kg2 Rd8 31.Rxd8 Kxd8 32.Kxh3 Kxd7,
;which wins two rooks and two knights for
;two rooks, a bishop, a knight, and a
;pawn. Better is Rd8, leading to 23...Rf8
;24.Rxf8 Kxf8 25.Rd8+ Ke7 26.Rc8 Ng4
;27.Rg8 g6 28.Bxg4 hxg4 29.Rxg6 Na6
;30.Rg7+ Kf6, which wins a rook, a
;knight, and a pawn for a rook and a
;bishop.
... Nxd7 ;Removes the threat on Black's king.
24. exd7 ... ;Adds a promote threat at d7.
... Rh4 ;Leads to 25.Re1+ Kf6 26.f4 Rxf4 27.Re8
;Kxg5 28.Rxa8 Nf7 29.Rf8 Rd4 30.Rxf7 Rd1+
;31.Kf2 g6, which wins a knight and a
;pawn for a rook and a knight. Better is
;Nf7, leading to 25.Re1+ Kd6 26.Ne4+ Kc7
;27.g3 Rxe4 28.Rxe4 Ng5 29.Re8 Nxh3+
;30.Kg2 Rd8 31.Rxd8 Kxd8 32.Kxh3 Kxd7
;33.f4, which wins a rook, a bishop, a
;knight, and a pawn for two rooks and a
;knight.
25. d8=Q+ ... ;Yikes! Hangs the queen. Leads to
;25...Rxd8 26.Rxd8 Kxd8 27.Ne6+ Ke7
;28.Nxg7. Much better is Re1+, leading to
;25...Kf6 26.f4 Rxf4 27.Re8 Kxg5 28.Rxa8
;Nf7 29.Rf8 Rd4 30.Rxf7 Rd1+ 31.Kf2 g6,
;which gains a rook and a knight and
;loses a knight and a pawn by comparison.
... Rxd8 ;Forced. Threatens checkmate (rook
;captures rook), removes the threat on
;Black's king, and threatens White's
;rook.
26. Rxd8 Kxd8 ; Black wins two rooks for a rook and a
;knight.
27. g3 ... ;Leads to 27...Ra4 28.Ne6+ Ke7 29.a3 Kf6
;30.Nf4 h4 31.Nh5+ Kf7 32.Nf4 Rd4 33.Nd3
;Kf6 34.Bg2 Rc4 35.c3 g5, which results
;in no exchange of material. Better is
;f4, leading to 27...Ng4 28.c3 Ne3 29.Kf2
;Rxh3 30.gxh3 Nd1+ 31.Ke2 Nxb2 32.Ne6+
;Kd7 33.Nxg7 h4 34.Nf5 Na4 35.Kd3, which
;wins a rook and a pawn for a bishop and
;a pawn.
... Rb4 ;Slightly better is Ra4.
28. f4 ... ;Leads to 28...Rxb2 29.Ne6+ Ke7 30.Nxg7
;Rxa2 31.Nxh5 Rxc2 32.f5 a4 33.f6+ Kf7
;34.Nf4 Kxf6 35.Nd3 Nf7 36.Nb4 Rc1+
;37.Kf2, which wins two pawns for four
;pawns. Better is b3, leading to 28...a4
;29.Ne6+ Ke7 30.Nxg7 Rd4 31.Bf1 Rd1
;32.bxa4 bxa4 33.h3 Ra1 34.Nxh5 Rxa2
;35.Bd3 Ra1+ 36.Kg2 Rd1, which wins three
;pawns for two pawns.
... Ke7 ;Leads to 29.b3 Rd4 30.Nf3 Rd1+ 31.Kf2
;Ra1 32.Ne5 Kd6 33.Ke2 Rxa2 34.Kd3 a4
;35.bxa4 Rxa4 36.Bg2 c5, which wins two
;pawns for a pawn. Better is Rxb2,
;leading to 29.Ne6+ Ke7 30.Nxg7 Rxa2
;31.Nxh5 Rxc2 32.f5 a4 33.f6+ Kf7 34.Nf4
;Kxf6 35.Nd3 Nf7 36.Nb4 Rc1+ 37.Kf2,
;which wins four pawns for two pawns.
29. f5 ... ;Leads to 29...Rxb2 30.Ne6 Kf6 31.Nf4
;Rxa2 32.Nxh5+ Kf7 33.g4 Rxc2 34.g5 Ng8
;35.g6+ Kf8 36.Nf4 Nf6 37.Ne6+ Kg8
;38.Bg2, which wins a pawn for three
;pawns. Better is b3, leading to 29...Rd4
;30.Nf3 Rd1+ 31.Kf2 Ra1 32.Ne5 Kd6 33.Ke2
;Rxa2 34.Kd3 a4 35.bxa4 Rxa4 36.Bg2 c5,
;which wins a pawn for two pawns.
... Rc4 ;Leads to 30.c3 b4 31.cxb4 Rc1+ 32.Kf2
;Rc2+ 33.Kg1 axb4 34.Ne6 Kf6 35.a3 Rxb2
;36.axb4 Rxb4 37.Nf4 Rb1+ 38.Kf2 Rb2+
;39.Kg1, which wins three pawns for two
;pawns. Better is Rxb2, leading to 30.Ne6
;Kf6 31.Nf4 Rxa2 32.Nxh5+ Kf7 33.g4 Rxc2
;34.g5 Ng8 35.g6+ Kf8 36.Nf4 Nf6 37.Ne6+
;Kg8 38.Bg2, which wins three pawns for a
;pawn.
30. c3 ... ;Moves it out of immediate jeopardy.
... a4 ;Slightly better is b4.
31. a3 Ke8 ;Leads to 32.Ne6 Re4 33.Kf1 h4 34.Kf2
;hxg3+ 35.hxg3 Re5 36.Nxg7+ Kf7 37.Ne6
;Nxf5 38.Nd8+ Kf6 39.Nxc6 Re8 40.Bxf5
;Kxf5, which wins a bishop and two pawns
;for a knight and three pawns. Better is
;Rc5, leading to 32.Ne6 Rd5 33.Nd4 c5
;34.Nxb5 Rd1+ 35.Kf2 Rd2+ 36.Kg1 Rxb2
;37.Nc7 Rb1+ 38.Kf2 Ra1 39.Ne6 Ra2+
;40.Kg1 Rxa3 41.Nxc5, which wins two
;pawns for two pawns.
32. Ne6 ... ;Attacks Black's pawn at g7.
... Kd7
33. Nxg7 ... ;Attacks Black's pawn at h5, creates a
;passed pawn on f5, and isolates Black's
;pawn at h5.
... Rg4 ;Hangs the rook. Leads to 34.f6 Kd6
;35.Bxg4 hxg4 36.Nh5 Ke6 37.h3 gxh3
;38.Kh2 Ng4+ 39.Kxh3 Nxf6 40.Nxf6 Kxf6
;41.Kg4 Ke5 42.Kg5 c5, which wins a
;bishop, a knight, and two pawns for a
;rook, a knight, and a pawn. Better is
;Kd6, leading to 34.f6 Re4 35.Kf2 Re5
;36.Kf3 c5 37.Kf4 Re2 38.Kg5 Nf7+ 39.Kxh5
;Rxh2 40.Nf5+ Ke6, which wins a pawn for
;a pawn.
34. Bxg4 ... ;Removes the threat on White's knight.
... hxg4 ; White wins a rook and a pawn for a
;bishop. White is ahead by two pawns in
;material.
35. f6 ... ;Pushes the passed pawn.
... Nf7 ;Blocks White's pawn at f6.
36. h3 ... ;Hangs the pawn at h3. Leads to 36...gxh3
;37.Kh2 Ng5 38.g4 c5 39.Nh5 Ke6 40.Kg3
;Ke5 41.Nf4 h2 42.Nd3+ Ke4 43.Nf2+ Ke5
;44.Kxh2 Kxf6 45.Kg3 Ke5, which wins a
;pawn for two pawns. Better is Kf2,
;leading to 36...Kd6 37.Nf5+ Ke6 38.Nd4+
;Kxf6 39.Nxc6 Nd6 40.Ke3 Nc4+ 41.Kf4 Nxb2
;42.Nd4 Nc4 43.Nxb5 Ne5 44.Ke4 Ke6
;45.Nd4+ Kd6, which wins two pawns for
;two pawns.
... gxh3 ;Creates a passed pawn on h3. Black wins
;a pawn. White is up a pawn in material.
37. Kh2 ... ;Threatens Black's pawn at h3 and blocks
;Black's pawn at h3.
... c5 ;Leads to 38.Kxh3 Kd6 39.Kh4 Ke5 40.Ne8
;Ke6 41.g4 Ne5 42.Kg5 Kd7 43.Ng7 Kd6
;44.Kf5 Nc4 45.Ne8+ Kd7 46.f7 Ke7, which
;loses a pawn. Better is Ng5, leading to
;38.g4 c5 39.Nh5 Ke6 40.Kg3 Ke5 41.Nf4 h2
;42.Nd3+ Kxf6 43.Kxh2 Ne4 44.Kg2 Kg5
;45.Kf3 Nd2+ 46.Ke2 Ne4, which wins a
;pawn for a pawn.
38. g4 ... ;Leads to 38...Ng5 39.Nh5 Ke6 40.Nf4+
;Kxf6 41.Kg3 Ne4+ 42.Kxh3 Nf2+ 43.Kg3 Nd1
;44.Nd3 c4 45.Nf4 Nxb2 46.Nd5+ Kg5 47.Nc7
;Nd3 48.Nxb5, which wins two pawns for
;two pawns. Better is Kxh3, leading to
;38...Kd6 39.Kh4 Ke5 40.Ne8 Ke6 41.g4 Ne5
;42.Kg5 Kd7 43.Ng7 Kd6 44.Kf5 Nc4 45.Ne8+
;Kd7 46.f7 Ke7, which wins a pawn.
... b4 ;Leads to 39.Kxh3 bxc3 40.bxc3 Ne5 41.g5
;Kd6 42.Kh4 c4 43.Kh5 Nd7 44.f7 Ke7 45.g6
;Ne5 46.Nf5+ Kf8 47.Ne3 Kg7, which wins a
;pawn for two pawns. Better is Ng5,
;leading to 39.Nh5 Ke6 40.Nf4+ Kxf6
;41.Kg3 Ne4+ 42.Kxh3 Nf2+ 43.Kg3 Nd1
;44.Nd3 c4 45.Nf4 Nxb2 46.Nd5+ Kg5 47.Nc7
;Nd3 48.Nxb5, which wins two pawns for
;two pawns.
39. cxb4 ... ;Attacks Black's pawn at c5 and isolates
;Black's pawn at c5 and Black's pawn at
;a4. White wins a pawn. White is up two
;pawns in material.
... c4 ;Allows an enemy passed pawn on b4. Leads
;to 40.Kxh3 Ne5 41.g5 Kd6 42.Kh4 Kd7
;43.Kh5 Nd3 44.f7 Ke7 45.g6 Ne5 46.Ne6
;Nd7 47.Nc5 Nf6+ 48.Kh6, which loses a
;pawn. Better is cxb4, leading to 40.Kxh3
;bxa3 41.bxa3 Ne5 42.g5 Kc6 43.Kg3 Kd5
;44.Kf4 Ng6+ 45.Kf5 Nh4+ 46.Kg4 Ng6
;47.Kh5 Nf4+ 48.Kh6 Kd6 49.g6, which wins
;two pawns for two pawns.
40. g5 ... ;Hangs the pawn at g5. Leads to 40...Nxg5
;41.b5 Kd6 42.Nf5+ Kc5 43.Ng3 Kxb5 44.Ne4
;Ne6 45.Kxh3 Kc6 46.Kg4 Kd5 47.Ng5 Nf8
;48.Kf5, which wins a pawn for two pawns.
;Better is Kxh3, leading to 40...Ne5
;41.g5 Kd6 42.Kh4 Kd7 43.Kh5 Nd3 44.f7
;Ke7 45.g6 Ne5 46.Ne6 Nd7 47.Nc5 Nf6+
;48.Kh6, which wins a pawn.
... c3 ;Slightly better is Nxg5.
41. bxc3 ... ;Creates a passed pawn on c3. White wins
;a pawn. White is up three pawns in
;material.
... Kc8 ;Leads to 42.Ne6 Kd7 43.Nc5+ Ke8 44.Ne4
;Ne5 45.b5 Kd7 46.Kxh3 Kc7 47.Kg3 Ng6
;48.Kg4 Kb6 49.Nd6 Kc7 50.Kf5 Kxd6
;51.Kxg6, which wins a knight for a
;knight and a pawn. Better is Nxg5,
;leading to 42.Nh5 Ne4 43.c4 Kd6 44.b5
;Ng5 45.b6 Kd7 46.Nf4 Kc6 47.c5 Nf7
;48.Kxh3 Kxc5, which wins two pawns for a
;pawn.
42. g6 ... ;Moves it to safety, threatens Black's
;knight, and advances the passed pawn.
... Nd8 ;Black gives White a forced mate
;opportunity. Much better is Ne5. Nd8
;leads to 43.f7 Kd7 44.f8=Q Nb7 45.Ne8
;Kc6 46.g7 Kd7 47.Qf5+ Kc6 48.g8=Q Kb6
;49.Qg1+ Nc5 50.Qgxc5+ Kb7 51.Qfc8# and
;mate.
43. f7 ... ;White has a mate in 8. Adds a promote
;threat at f7. Leads to 43...Kd7 44.f8=Q
;Nb7 45.Ne8 Kc6 46.g7 Kd7 47.Qf5+ Kc6
;48.g8=Q Kb6 49.Qg1+ Nc5 50.Qgxc5+ Kb7
;51.Qfc8# and checkmate.
... Nxf7 ;Removes the promote threat at f7 and
;isolates White's pawn at g6.
44. gxf7 ... ;White has a mate in 6. Adds a promote
;threat at f7. Leads to 44...Kc7 45.f8=Q
;Kb7 46.Qe7+ Kc6 47.c4 Kb6 48.Ne8 Ka6
;49.b5+ Kb6 50.Qc7# and checkmate.
... Kc7
45. f8=Q ... ;White has a mate in 5. Leads to
;45...Kb7 46.Qe7+ Kc6 47.c4 Kb6 48.Ne6
;Ka6 49.Nc5+ Kb6 50.Qb7# and checkmate.
... Kb7
46. Qd6 ... ;White has a mate in 7. Leads to
;46...Ka7 47.Qc7+ Ka8 48.Qc8+ Ka7 49.Ne6
;Kb6 50.Qc7+ Ka6 51.b5+ Kxb5 52.c4+ Ka6
;53.Nc5# and mate.
... Ka8
47. c4 ... ;White doesn't see the win. Much better
;is Qc6+, leading to 47...Kb8 48.Nf5 Ka7
;49.Nd6 Kb8 50.Qb7# and mate.
... Kb7
48. c5 ... ;White has a mate in 5. Advances the
;passed pawn. Leads to 48...Ka8 49.Qa6+
;Kb8 50.Qc6 Ka7 51.Ne6 Kb8 52.Qb6+ Ka8
;53.Nc7# and checkmate.
... Ka7
49. c6 ... ;White misses the chance for a forced
;mate. Much better is Qc7+, leading to
;49...Ka8 50.Qc8+ Ka7 51.c6 Kb6 52.Qb7#
;and mate.
... Kb6
50. c7+ ... ;White doesn't see the win. Much better
;is Qd5, leading to 50...Ka7 51.Qf7+ Kb8
;52.Qb7# and checkmate.
... Kb7 ;Moves it out of check.
51. c8=Q+ ... ;White misses the forced mate. Much
;better is b5, leading to 51...Kc8
;52.Qd8+ Kb7 53.Qb8# and checkmate.
... Kxc8 ; White is up a queen and a knight.
52. b5 ... ;White doesn't see the win. Much better
;is Ne6, leading to 52...Kb7 53.Nc5+ Kc8
;54.Qd7+ Kb8 55.Qb7# and checkmate.
... Kb7 ;Forced.
53. Qb4 ... ;White has a mate in 5. Attacks Black's
;pawn at a4. Leads to 53...Kb6 54.Ne6 Kb7
;55.Qe4+ Kb6 56.Qc6+ Ka7 57.Nc5 Kb8
;58.Qb7# and checkmate.
... Kc7
54. b6+ ... ;White doesn't see the win. Much better
;is Qc5+, leading to 54...Kb7 55.Ne8 Ka8
;56.Qc6+ Ka7 57.Nd6 Kb8 58.Qb7# and
;checkmate.
... Kb7 ;Moves it out of check and blocks White's
;pawn at b6.
55. Ne6 ... ;White misses the forced mate. Much
;better is Qb5, leading to 55...Kc8
;56.Qc6+ Kb8 57.Qc7+ Ka8 58.Qa7# and
;checkmate.
... Kc6
56. b7 ... ;White has a mate in 5. Adds a promote
;threat at b7. Leads to 56...Kd5 57.Nf4+
;Ke5 58.b8=Q+ Kf6 59.Q8d6+ Kg7 60.Qf8+
;Kh7 61.Qbe7# and checkmate.
... Kd5 ;Attacks White's knight.
57. Nf4+ ... ;White has a mate in 4. Moves it to
;safety and checks Black's king. Leads to
;57...Ke5 58.b8=Q+ Kf6 59.Q8d6+ Kg7
;60.Qf8+ Kh7 61.Qbe7# and checkmate.
... Ke5 ;Moves it out of check.
58. Ne2 ... ;White has a mate in 4. Leads to
;58...Kf6 59.Qf4+ Kg6 60.b8=Q Kg7
;61.Qbf8+ Kg6 62.Q4h6# and mate.
... Ke6
59. b8=Q ... ;White has a mate in 3. Leads to
;59...Kf6 60.Q8f8+ Ke5 61.Qd4+ Ke6
;62.Qdd6# and checkmate.
... Kf6
60. Qc5 ... ;White has a mate in 2. Leads to
;60...Kg6 61.Qg8+ Kh6 62.Qcg5# and
;checkmate.
... Kg7
61. Qbb6 ... ;White has a mate in 2. Leads to
;61...Kh7 62.Qe7+ Kg8 63.Qbd8# and
;checkmate.
... Kf7
62. Qcc7+ ... ;White has a mate in 1. Checks Black's
;king. Leads to 62...Kg8 63.Qbb8# and
;checkmate.
... Kg8 ;Moves it out of check.
63. Qbb8# ... ;Checkmates Black's king.
;¬³
;¬
;
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;Ÿ
;ÿŸ
;•²
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