[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2021.3.13"]
[Round ""]
[White "Ricardo"]
[Black "Lisa"]
[TimeControl "960+3"]
[Result "1-0"]
[ECO " "]
1.d4 Nf6 2.e4 c6 3.Nf3 b5 4.Nc3 a5 5.Bg5 Ra6 6.Qd2 g6 7.O-O-O Rg8 8.e5 Rh8 9.exf6 e6 10.Bd3 a4 11.Rhe1 Rg8 12.Ne5 d5 13.Ng4 Bd6
14.Nh6 Kd7 15.Nxg8 Bc5 16.dxc5 a3 17.bxa3 Qxg8 18.f4 Ra4 19.Nxa4 bxa4 20.f5 Na6 21.Qe3 h6 22.Bxh6 Kd8 23.Qf4 e5 24.Qxe5 Bb7
25.Qe7+ Kc8 26.Qe8+ Qxe8 27.Rxe8+ Kc7 28.Rf8 Nxc5 29.Rxf7+ Kc8 30.fxg6 Nd7 31.Bf5 Kb8 32.Rxd7 Bc8 33.Bf4+ Ka8 34.Rc7 Be6 35.f7
Bc8 36.f8=Q c5 37.Qxc8# 1-0
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-13-2021"]
[Round ""]
[White "Ricardo"]
[Black "Lisa"]
[Result "1-0"]
[ECO "c) U"]
1. d4 ... ;Book.
... Nf6 ;Score: 0.20 2.Nf3 d5 3.Bf4 Nbd7 4.Nc3
;e6 5.e3 Bb4 6.Bd3 Ne4 7.Bxe4 dxe4 (Time
;= 0:16, Depth = 1/11)
2. e4 ... ;Score: -0.08 2...Nxe4 3.Be3 d5 4.Nd2
;Bf5 5.Nxe4 Bxe4 6.Nf3 e6 7.Be2 Bb4+ 8.c3
;Be7 (Time = 0:20, Depth = 2/12)
... c6 ;Score: 0.78 3.e5 Nd5 4.Nf3 d6 5.c4 Nb6
;6.Bd3 Na6 7.O-O dxe5 8.dxe5 Nc5 9.Be2
;(Time = 0:20, Depth = 2/13)
3. Nf3 ... ;Score: 0.11 3...Nxe4 4.Bd3 d5 5.O-O e6
;6.Bf4 Nd7 7.Nbd2 Bd6 8.Bxd6 Nxd6 9.c4
;O-O 10.Qc2 (Time = 0:25, Depth = 2/13)
... b5 ;Score: 1.15 4.Bd3 d6 5.O-O Nbd7 6.Bd2
;e6 7.a4 Bb7 8.axb5 cxb5 9.Bxb5 Nxe4
;10.Qe2 (Time = 0:13, Depth = 1/11)
4. Nc3 ... ;Score: 0.45 4...b4 5.Ne2 Nxe4 6.Ng3 d5
;7.Bd3 Nxg3 8.hxg3 Nd7 9.Bf4 Qa5 10.Bxh7
;(Time = 0:13, Depth = 2/12)
... a5 ;Score: 1.17 5.Bd3 d6 6.e5 b4 7.Ne2 Nd5
;8.O-O Bg4 9.Bg5 h6 10.Bh4 g5 (Time =
;0:20, Depth = 2/12)
5. Bg5 ... ;Score: 0.15 5...b4 6.Nb1 Nxe4 7.Be3 d5
;8.Nbd2 Nxd2 9.Qxd2 Nd7 10.Bd3 e6 11.O-O
;Bd6 (Time = 0:18, Depth = 2/13)
... Ra6 ;Score: 1.86 6.e5 Nd5 7.Nxd5 cxd5 8.a4
;bxa4 9.Bxa6 Bxa6 10.Rxa4 Nc6 11.b3 d6
;12.Be3 dxe5 13.dxe5 (Time = 0:20, Depth
;= 2/12)
6. Qd2 ... ;Score: 0.95 6...b4 7.Na4 Ra8 8.Bd3 d5
;9.exd5 cxd5 10.Nc5 Nbd7 11.Nxd7 Bxd7
;12.O-O (Time = 0:23, Depth = 2/12)
... g6 ;Score: 1.32 7.Bd3 h6 8.Be3 d6 9.O-O Ng4
;10.a4 b4 11.Nd1 Nxe3 12.Nxe3 (Time =
;0:21, Depth = 1/11)
7. O-O-O ... ;Score: 1.08 7...b4 8.Na4 Ra8 9.e5 Nd5
;10.Bh4 h6 11.c4 bxc3ep 12.Nxc3 Ba6
;13.Be2 Bxe2 14.Qxe2 (Time = 0:21, Depth
;= 2/12)
... Rg8 ;Score: 2.39 8.e5 Nd5 9.Nxd5 cxd5
;10.Bxb5 Ra8 11.Rhe1 Ba6 12.Bxa6 Nxa6
;13.Kb1 Rb8 14.Qe2 (Time = 0:21, Depth =
;2/12)
8. e5 ... ;Score: 2.34 8...Nd5 9.Nxd5 cxd5 10.Bxb5
;Ra8 11.Qc3 Ba6 12.a4 h6 13.Bd2 Bg7
;14.Rhe1 Bxb5 15.axb5 (Time = 0:32, Depth
;= 2/12)
... Rh8 ;Score: 5.29 9.exf6 e6 10.d5 cxd5
;11.Bxb5 Rb6 12.Rhe1 h6 13.Bf4 g5 14.Bxb8
;Rxb8 15.Qxd5 (Time = 0:15, Depth = 1/11)
9. exf6 ... ;Score: 5.30 9...d5 10.fxe7 Bxe7 11.Bxe7
;Kxe7 12.a4 Rb6 13.axb5 Be6 14.Na4 Rb7
;15.Nc5 (Time = 0:13, Depth = 1/10)
... e6 ;Score: 5.52 10.d5 cxd5 11.Bxb5 Rb6
;12.Be3 Rb7 13.Rhe1 Bd6 14.Bh6 Bb4
;15.Qxd5 Qxf6 (Time = 0:20, Depth = 2/12)
10. Bd3 ... ;Score: 4.23 10...h6 11.Bh4 g5 12.Bg3 d6
;13.Ne4 Ra8 14.Qc3 b4 15.Qb3 Ba6 (Time =
;0:17, Depth = 1/11)
... a4 ;Score: 4.37 11.Qf4 Ra8 12.d5 Qb6
;13.dxe6 dxe6 14.Qe4 Ra5 15.Qh4 Nd7 (Time
;= 0:21, Depth = 1/10)
11. Rhe1 ... ;Score: 3.86 11...a3 12.b3 Bb4 13.Bh6 d6
;14.Bg7 Rg8 15.d5 Nd7 16.dxe6 Nxf6 (Time
;= 0:17, Depth = 1/11)
... Rg8 ;Score: 5.73 12.d5 Qb6 13.dxe6 dxe6
;14.Nxb5 Ra5 15.Be3 Qd8 16.Bf4 cxb5
;17.Bxb8 (Time = 0:21, Depth = 1/11)
12. Ne5 ... ;Score: 3.78 12...a3 13.b3 Bb4 14.Bf1
;Qa5 15.Re3 d6 16.Nf3 Ra7 17.d5 Bc5 (Time
;= 0:20, Depth = 1/11)
... d5 ;Score: 4.77 13.Qe3 a3 14.Qh3 axb2+
;15.Kb1 h6 16.Bxg6 Rxg6 17.Nxg6 Bd6
;18.Qxh6 fxg6 19.Qxg6+ Kd7 20.Kxb2 Bxh2
;(Time = 0:21, Depth = 1/10)
13. Ng4 ... ;Score: 3.60 13...a3 14.b3 Bb4 15.Bf1
;Qa5 16.Re3 Nd7 17.Ne5 Bb7 18.f4 h6
;19.Bh4 Nxe5 20.fxe5 (Time = 0:21, Depth
;= 2/12)
... Bd6 ;Score: 5.01 14.Nxb5 cxb5 15.Bxb5+ Rc6
;16.Bxa4 Bd7 17.Bxc6 Nxc6 18.Ne5 Bb4
;19.c3 Nxe5 20.dxe5 Qc7 21.Kb1 (Time =
;0:31, Depth = 2/12)
14. Nh6 ... ;Score: 4.07 14...Rf8 15.a3 Ra8 16.Ng4
;b4 17.axb4 Bxb4 18.Bh6 a3 19.Bxf8 a2
;20.Bxb4 a1=Q+ 21.Nb1 (Time = 0:18, Depth
;= 1/11)
... Kd7 ;Score: 9.47 15.Nxf7 Qf8 16.Nxd6 Qxd6
;17.Bf4 Qf8 18.Bxb8 a3 19.b3 Qxf6 20.Qf4
;Qxf4+ 21.Bxf4 (Time = 0:21, Depth =
;2/12)
15. Nxg8 ... ;Score: 7.05 15...Qxg8 16.Bf4 Qf8 17.a3
;Ra8 18.Bxd6 Qxd6 19.Qh6 Ke8 20.Qxh7 Qf4+
;21.Kb1 Qxf6 (Time = 0:14, Depth = 2/12)
... Bc5 ;Score: 14.54 16.dxc5 Kc7 17.Qf4+ Kb7
;18.Nh6 Qd7 19.Qd6 a3 20.b4 d4 21.Ne4 Ra4
;22.Bf4 (Time = 0:22, Depth = 2/12)
16. dxc5 ... ;Score: 14.28 16...Kc7 17.Qf4+ Kb7
;18.Nh6 Qd7 19.Qd6 a3 20.b4 d4 21.Ne4 Ra4
;(Time = 0:12, Depth = 1/10)
... a3 ;Score: 17.46 17.Qf4 Qc7 18.Rxe6 Qxf4+
;19.Bxf4 Kd8 20.Re7 axb2+ 21.Kxb2 Bd7
;22.Bxb8 Ra8 23.Bd6 (Time = 0:14, Depth =
;1/11)
17. bxa3 ... ;Score: 15.76 17...Rxa3 18.Rxe6 fxe6
;19.f7 Qf8 20.Nf6+ Kc7 21.Ne8+ Kb7
;22.Nd6+ Qxd6 23.cxd6 Nd7 24.Bf6 b4 (Time
;= 0:14, Depth = 1/10)
... Qxg8 ;Score: 19.47 18.Qf4 Qf8 19.Nxb5 Ra7
;20.Nxa7 Bb7 21.Qb4 Ba8 22.Bf4 Qd8 23.Be5
;h6 24.Qxb8 Qxb8 25.Bxb8 (Time = 0:23,
;Depth = 2/12)
18. f4 ... ;Score: 10.47 18...Qf8 19.f5 gxf5
;20.Bxb5 Qxc5 21.Bxa6 Qxa3+ 22.Kb1 Nxa6
;23.Qd4 Nc5 24.Bf4 Ke8 (Time = 0:25,
;Depth = 1/11)
... Ra4 ;Score: 17.33 19.Bxb5 Rd4 20.Qxd4 Kc7
;21.f5 Kb7 22.Be2 gxf5 23.Qb4+ Ka8
;24.Qa5+ Ba6 25.Bf4 e5 26.Bxe5 (Time =
;0:27, Depth = 2/12)
19. Nxa4 ... ;Score: 19.43 19...bxa4 20.f5 gxf5
;21.Qf4 Qd8 22.Rxe6 fxe6 23.Qd6+ Ke8
;24.f7+ Kxf7 25.Bxd8 Nd7 26.Qxc6 Nxc5
;27.Qxc5 Bd7 (Time = 0:27, Depth = 2/12)
... bxa4 ;Score: 19.66 20.f5 gxf5 21.Qf4 Qd8
;22.Rxe6 fxe6 23.Qd6+ Ke8 24.f7+ Kxf7
;25.Bxd8 h6 26.Qxb8 Bd7 27.Qd6 Be8 (Time
;= 0:20, Depth = 2/12)
20. f5 ... ;Score: 22.02 20...Na6 21.fxe6+ fxe6
;22.Bxa6 Bxa6 23.Qf4 Qf8 24.Qd6+ Qxd6
;25.cxd6 Kxd6 26.f7 Kc7 27.f8=Q Bc8
;28.Qe7+ Kb8 29.Qxh7 e5 30.Rxe5 (Time =
;0:39, Depth = 2/12)
... Na6 ;MATE IN 13. 21.fxe6+ fxe6 22.Bxa6 Bxa6
;23.Qa5 Qc8 24.f7 Qh8 25.Rxd5+ cxd5
;26.c6+ Kd6 27.Bf4+ e5 28.Bxe5+ Qxe5
;29.f8=Q+ Ke6 30.Rxe5+ Kxe5 31.Qe7+ Kf5
;32.Qxd5+ Kg4 33.Qf3# (Time = 0:22, Depth
;= 2/12)
21. Qe3 ... ;Score: 13.82 21...gxf5 22.Bxf5 Ke8
;23.c4 h6 24.Bxh6 Qxg2 25.cxd5 cxd5
;26.Re2 Qg8 27.Rxd5 (Time = 0:10, Depth =
;1/10)
... h6 ;MATE IN 9. 22.Qe5 Nxc5 23.Bb5 Nb3+
;24.cxb3 Qf8 25.Rxd5+ exd5 26.Bf4 Qc5+
;27.Bc4 Qxa3+ 28.Kd1 Qxb3+ 29.Bxb3 axb3
;30.Qe8# (Time = 0:06, Depth = 1/11)
22. Bxh6 ... ;Score: 22.03 22...Nc7 23.Qf4 Ba6
;24.fxe6+ Kc8 25.exf7 Qxf7 26.Re7 Qxe7
;27.Bxa6+ Nxa6 28.fxe7 Nc7 29.Qf7 Kb8
;30.e8=Q+ Nxe8 31.Qxe8+ Kb7 32.Qxg6 (Time
;= 0:11, Depth = 1/10)
... Kd8 ;MATE IN 11. 23.Qf4 Bb7 24.Qd6+ Kc8
;25.Bxa6 Qd8 26.Bxb7+ Kxb7 27.Qxd8 g5
;28.Rxe6 fxe6 29.Qb6+ Kc8 30.Qxc6+ Kb8
;31.f7 exf5 32.f8=Q+ Ka7 33.Qb6# (Time =
;0:04, Depth = 1/11)
23. Qf4 ... ;MATE IN 11. 23...Bb7 24.fxe6 Kc8
;25.exf7 Qxf7 26.Re7 Qe6 27.Bxa6 Qd7
;28.Bxb7+ Qxb7 29.Re8+ Kd7 30.Qd6+ Kxe8
;31.Qf8+ Kd7 32.Qe7+ Kc8 33.Qe8+ Kc7
;34.Bf4# (Time = 0:03, Depth = 1/9)
... e5 ;MATE IN 6. 24.Qxe5 Bb7 25.Qd6+ Kc8
;26.Bf8 Nc7 27.Re7 Kb8 28.Qxc7+ Ka8
;29.Qxb7# (Time = 0:00, Depth = 1/8)
24. Qxe5 ... ;Score: 27.55 24...Qf8 25.Bxf8 Bd7
;26.Bxa6 (Time = 0:00, Depth = 1/4)
... Bb7 ;MATE IN 5. 25.Bxa6 Kc8 26.Bf4 Qd8
;27.Qb8+ Kd7 28.Qxb7+ Qc7 29.Qxc7# (Time
;= 0:00, Depth = 1/4)
25. Qe7+ ... ;Score: 16.32 25...Kc8 26.fxg6 fxg6
;(Time = 0:00, Depth = 1/2)
... Kc8 ;MATE IN 5. 26.Qe8+ Qxe8 27.Rxe8+ Kc7
;28.Bf4+ Kd7 29.Rde1 Nxc5 30.R1e7# (Time
;= 0:00, Depth = 1/4)
26. Qe8+ ... ;Score: 16.50 26...Qxe8 27.Rxe8+ Kc7
;28.Re7+ Kb8 29.fxg6 (Time = 0:00, Depth
;= 1/2)
... Qxe8 ;MATE IN 4. 27.Rxe8+ Kc7 28.Bf4+ Kd7
;29.Rde1 Nxc5 30.R1e7# (Time = 0:00,
;Depth = 1/4)
27. Rxe8+ ... ;MATE IN 3. 27...Kc7 28.Bf4+ Kd7 29.Rde1
;Nxc5 30.R1e7# (Time = 0:00, Depth = 1/3)
... Kc7 ;MATE IN 3. 28.Bf4+ Kd7 29.Rde1 Nxc5
;30.R1e7# (Time = 0:00, Depth = 1/3)
28. Rf8 ... ;Score: 28.97 28...Nxc5 29.Rxf7+ Kb6
;30.fxg6 Bc8 31.Re7 Bg4 32.f7 Ne6 33.g7
;Bxd1 34.g8=Q Nf8 35.Qg3 Nd7 36.Be3+ Kb7
;37.f8=Q (Time = 0:10, Depth = 3/13)
... Nxc5 ;Score: 30.24 29.Rxf7+ Kb6 30.fxg6 Bc8
;31.Re7 Ba6 32.Bxa6 Kxa6 33.f7 Nd7
;34.Rxd7 d4 35.f8=Q d3 36.g7 d2+ 37.Bxd2
;(Time = 0:21, Depth = 3/13)
29. Rxf7+ ... ;Score: 30.06 29...Kb6 30.fxg6 Bc8
;31.Re7 Ba6 32.Bxa6 Kxa6 33.f7 Nd7
;34.Rxd7 d4 35.f8=Q d3 36.Qa8+ Kb5
;37.R1xd3 (Time = 0:15, Depth = 3/13)
... Kc8 ;MATE IN 9. 30.fxg6 Kb8 31.g7 d4
;32.g8=Q+ Ka7 33.Qd8 Na6 34.Bxa6 Kxa6
;35.Rxd4 c5 36.Rxa4+ Kb5 37.Rxb7+ Kxa4
;38.Qa8# (Time = 0:01, Depth = 2/10)
30. fxg6 ... ;MATE IN 10. 30...Kb8 31.g7 Ne6 32.g8=Q+
;Ka7 33.Rxb7+ Kxb7 34.Qxe6 Kb6 35.Be3+ d4
;36.Bxd4+ Kc7 37.Qe7+ Kb8 38.Qd8+ Kb7
;39.Ba6+ Kxa6 40.Qb6# (Time = 0:00, Depth
;= 1/8)
... Nd7 ;MATE IN 6. 31.Bf4 Kd8 32.g7 Nxf6 33.Re1
;d4 34.g8=Q+ Nxg8 35.Bc7+ Kc8 36.Bf5#
;(Time = 0:00, Depth = 2/9)
31. Bf5 ... ;MATE IN 9. 31...Kb8 32.Rxd7 Ka7 33.f7
;Ka6 34.Bd3+ Ka7 35.Be3+ d4 36.Bxd4+ c5
;37.Bxc5+ Kb8 38.f8=Q+ Bc8 39.Qd6+ Ka8
;40.Ra7# (Time = 0:00, Depth = 2/9)
... Kb8 ;MATE IN 8. 32.Rxd7 Bc8 33.Bf4+ Ka8
;34.g7 Bxd7 35.g8=Q+ Be8 36.Qxe8+ Ka7
;37.Qb8+ Ka6 38.Bd3+ Ka5 39.Qb4# (Time =
;0:00, Depth = 1/8)
32. Rxd7 ... ;MATE IN 8. 32...Ka7 33.f7 Kb6 34.f8=Q
;c5 35.Qd6+ Ka7 36.Qxc5+ Ka8 37.Rd8+ Bc8
;38.Rxc8+ Kb7 39.Qc7+ Ka6 40.Bd3# (Time =
;0:00, Depth = 1/6)
... Bc8 ;MATE IN 7. 33.Bf4+ Ka8 34.f7 Bxd7
;35.f8=Q+ Be8 36.Qxe8+ Kb7 37.Qb8+ Ka6
;38.Bd3+ Ka5 39.Bd2# (Time = 0:00, Depth
;= 1/5)
33. Bf4+ ... ;Score: 27.56 33...Ka8 34.f7 Bxd7
;35.f8=Q+ Kb7 36.Bxd7 (Time = 0:00, Depth
;= 1/2)
... Ka8 ;MATE IN 6. 34.f7 Bxd7 35.f8=Q+ Be8
;36.Qxe8+ Kb7 37.Qb8+ Ka6 38.Bd3+ Ka5
;39.Bd2# (Time = 0:00, Depth = 1/5)
34. Rc7 ... ;MATE IN 5. 34...d4 35.f7 Bb7 36.f8=Q+
;Ka7 37.Qb4 Ka6 38.Qxb7+ Ka5 39.Bd2#
;(Time = 0:00, Depth = 1/6)
... Be6 ;MATE IN 3. 35.Bxe6 d4 36.f7 c5 37.f8=Q#
;(Time = 0:00, Depth = 1/4)
35. f7 ... ;Score: 32.95 35...Bc8 36.Rxc8+ Kb7
;37.f8=Q (Time = 0:00, Depth = 1/2)
... Bc8 ;MATE IN 2. 36.f8=Q c5 37.Qxc8# (Time =
;0:00, Depth = 1/3)
36. f8=Q ... ;MATE IN 1. 36...c5 37.Qxc8# (Time =
;0:00, Depth = 1/2)
... c5 ;MATE IN 1. 37.Qxc8# (Time = 0:00, Depth
;= 1/1)
37. Qxc8# 1-0
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-13-2021"]
[Round ""]
[White "Ricardo"]
[Black "Lisa"]
[Result "1-0"]
[ECO "c) U"]
;Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 22 seconds
;per move.
;
; White Black
;Book Move 1 1
;Leave Book 1 0
;CMX Agrees 20 17
;CMX Disagrees 16 18
;Agreement Pct. 56% 49%
;Total Error 15.07 34.58
;Relevant Error 1.95 13.34
;Missed Mate 5 0
;Moved Into Mate 0 4
;
;
1. d4 ... ;A40 Queen's Pawn Opening. The Queen's
;Pawn opening move is somewhat slower
;than the popular e4, because White will
;not be able to castle for three more
;moves. Its advantage is that it gives
;White more control over tactical
;surprises and often provides more
;lasting initiative and pressure.
... Nf6 ;A45 Indian Defense. The immediate
;development of the Knight is the most
;supple response to the Queen's Pawn
;opening, allowing transposition into
;virtually every type of defense at
;Black's disposal.
2. e4 ... ;Out of Opening Book. c4 would have been
;in the Indian Defense / Indian Defense
;1.d4 Nf6 2.c4 opening line.
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;
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;¦•ª²›–¤
;
... c6 ;Slightly better is Nxe4.
3. Nf3 ... ;Slightly better is e5.
... b5 ;Slightly better is Nxe4.
4. Nc3 ... ;Slightly better is Bd3.
... a5 ;Slightly better is b4.
5. Bg5 ... ;Slightly better is Bd3.
... Ra6 ;Pins own pawn at b5. Leads to 6.e5 Nd5
;7.Nxd5 cxd5 8.a4 bxa4 9.Bxa6 Bxa6
;10.Rxa4 Nc6 11.b3 d6 12.Be3 dxe5
;13.dxe5, which wins a bishop, a knight,
;and two pawns for a rook, a knight, and
;two pawns. Better is b4, leading to
;6.Nb1 Nxe4 7.Be3 d5 8.Nbd2 Nxd2 9.Qxd2
;Nd7 10.Bd3 e6 11.O-O Bd6, which wins a
;knight and a pawn for a knight.
6. Qd2 ... ;Slightly better is e5.
... g6
7. O-O-O Rg8 ;Slightly better is b4.
8. e5 ... ;Attacks Black's knight at f6.
... Rh8 ;Leads to 9.exf6 e6 10.d5 cxd5 11.Bxb5
;Rb6 12.Rhe1 h6 13.Bf4 g5 14.Bxb8 Rxb8
;15.Qxd5, which wins a bishop and a pawn
;for two knights and two pawns. Better is
;Nd5, leading to 9.Nxd5 cxd5 10.Bxb5 Ra8
;11.Qc3 Ba6 12.a4 h6 13.Bd2 Bg7 14.Rhe1
;Bxb5 15.axb5, which wins a bishop and a
;knight for a bishop, a knight, and a
;pawn.
9. exf6 ... ; White wins a knight. White is ahead by
;a knight in material.
... e6
10. Bd3 ... ;Slightly better is d5.
... a4
11. Rhe1 Rg8 ;Leads to 12.d5 Qb6 13.dxe6 dxe6 14.Nxb5
;Ra5 15.Be3 Qd8 16.Bf4 cxb5 17.Bxb8,
;which wins a knight and a pawn for a
;knight and two pawns. Better is a3,
;leading to 12.b3 Bb4 13.Bh6 d6 14.Bg7
;Rg8 15.d5 Nd7 16.dxe6 Nxf6, which wins a
;pawn for a pawn.
12. Ne5 ... ;Leads to 12...a3 13.b3 Bb4 14.Bf1 Qa5
;15.Re3 d6 16.Nf3 Ra7 17.d5 Bc5, which
;results in no exchange of material.
;Better is d5, leading to 12...Qb6
;13.dxe6 dxe6 14.Nxb5 Ra5 15.Be3 Qd8
;16.Bf4 cxb5 17.Bxb8, which wins a knight
;and two pawns for a knight and a pawn.
;White's only meaningful error of the
;game gave away a won position, but white
;was later able to manage a mate anyway.
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;
... d5 ;Slightly better is a3.
13. Ng4 ... ;Slightly better is Qe3.
... Bd6 ;Leads to 14.Nxb5 cxb5 15.Bxb5+ Rc6
;16.Bxa4 Bd7 17.Bxc6 Nxc6 18.Ne5 Bb4
;19.c3 Nxe5 20.dxe5 Qc7 21.Kb1, which
;wins a bishop and two knights for a
;rook, a knight, and three pawns. Better
;is a3, leading to 14.b3 Bb4 15.Bf1 Qa5
;16.Re3 Nd7 17.Ne5 Bb7 18.f4 h6 19.Bh4
;Nxe5 20.fxe5, which wins a knight for a
;knight.
14. Nh6 ... ;Slightly better is Nxb5.
... Kd7 ;Ouch! Hangs the pawn at f7. Leads to
;15.Nxf7 Qf8 16.Nxd6 Qxd6 17.Bf4 Qf8
;18.Bxb8 a3 19.b3 Qxf6 20.Qf4 Qxf4+
;21.Bxf4. Much better is Rf8, leading to
;15.a3 Ra8 16.Ng4 b4 17.axb4 Bxb4 18.Bh6
;a3 19.Bxf8 a2 20.Bxb4 a1=Q+ 21.Nb1,
;which gains two queens and a knight and
;loses a queen, a rook, a knight, and a
;pawn in comparison. This was black's key
;error. Black was not able to regain the
;last ground and was eventually mated.
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15. Nxg8 ... ;Leads to 15...Qxg8 16.Bf4 Qf8 17.a3 Ra8
;18.Bxd6 Qxd6 19.Qh6 Ke8 20.Qxh7 Qf4+
;21.Kb1 Qxf6, which wins a rook, a
;bishop, and a pawn for a bishop, a
;knight, and a pawn. Better is Nxf7,
;leading to 15...Qf8 16.Nxd6 Qxd6 17.Bf4
;Qf8 18.Bxb8 a3 19.b3 Qxf6 20.Qf4 Qxf4+
;21.Bxf4, which wins a queen, a bishop, a
;knight, and a pawn for a queen, a
;knight, and a pawn.
... Bc5 ;Ouch! Hangs the bishop at c5. Leads to
;16.dxc5 Kc7 17.Qf4+ Kb7 18.Nh6 Qd7
;19.Qd6 a3 20.b4 d4 21.Ne4 Ra4 22.Bf4,
;which loses a bishop. Much better is
;Qxg8, leading to 16.Bf4 Qf8 17.a3 Ra8
;18.Bxd6 Qxd6 19.Qh6 Ke8 20.Qxh7 Qf4+
;21.Kb1 Qxf6, which wins a bishop, a
;knight, and a pawn for a bishop and a
;pawn.
16. dxc5 a3 ;Leads to 17.Qf4 Qc7 18.Rxe6 Qxf4+
;19.Bxf4 Kd8 20.Re7 axb2+ 21.Kxb2 Bd7
;22.Bxb8 Ra8 23.Bd6, which wins a queen
;and a pawn for a queen, a knight, and
;two pawns. Better is Kc7, leading to
;17.Qf4+ Kb7 18.Nh6 Qd7 19.Qd6 a3 20.b4
;d4 21.Ne4 Ra4, which does not result in
;any captures.
17. bxa3 ... ;Isolates own pawn at c5, own pawn at a3,
;own pawn at a2, and own pawn at c2.
;Leads to 17...Rxa3 18.Rxe6 fxe6 19.f7
;Qf8 20.Nf6+ Kc7 21.Ne8+ Kb7 22.Nd6+ Qxd6
;23.cxd6 Nd7 24.Bf6 b4, which wins a
;queen and two pawns for a rook, a
;knight, and a pawn. Better is Qf4,
;leading to 17...Qc7 18.Rxe6 Qxf4+
;19.Bxf4 Kd8 20.Re7 axb2+ 21.Kxb2 Bd7
;22.Bxb8 Ra8 23.Bd6, which wins a queen,
;a knight, and two pawns for a queen and
;a pawn.
... Qxg8 ;Leads to 18.Qf4 Qf8 19.Nxb5 Ra7 20.Nxa7
;Bb7 21.Qb4 Ba8 22.Bf4 Qd8 23.Be5 h6
;24.Qxb8 Qxb8 25.Bxb8, which wins a queen
;and a knight for a queen, a rook, a
;knight, and a pawn. Better is Rxa3,
;leading to 18.Rxe6 fxe6 19.f7 Qf8
;20.Nf6+ Kc7 21.Ne8+ Kb7 22.Nd6+ Qxd6
;23.cxd6 Nd7 24.Bf6 b4, which wins a
;rook, a knight, and a pawn for a queen
;and a pawn.
18. f4 ... ;Ouch! Leads to 18...Qf8 19.f5 gxf5
;20.Bxb5 Qxc5 21.Bxa6 Qxa3+ 22.Kb1 Nxa6
;23.Qd4 Nc5 24.Bf4 Ke8, which wins a rook
;and a pawn for a bishop and three pawns.
;Much better is Qf4, leading to 18...Qf8
;19.Nxb5 Ra7 20.Nxa7 Bb7 21.Qb4 Ba8
;22.Bf4 Qd8 23.Be5 h6 24.Qxb8 Qxb8
;25.Bxb8, which wins a queen, a rook, a
;knight, and a pawn for a queen.
... Ra4 ;Danger! Hangs the rook. Leads to 19.Bxb5
;Rd4 20.Qxd4 Kc7 21.f5 Kb7 22.Be2 gxf5
;23.Qb4+ Ka8 24.Qa5+ Ba6 25.Bf4 e5
;26.Bxe5, which wins a pawn for a rook
;and two pawns. Much better is Qf8,
;leading to 19.f5 gxf5 20.Bxb5 Qxc5
;21.Bxa6 Qxa3+ 22.Kb1 Nxa6 23.Qd4 Nc5
;24.Bf4 Ke8, which wins a bishop and
;three pawns for a rook and a pawn.
19. Nxa4 ... ;Protects White's pawn at a3.
... bxa4 ; White wins the exchange (Rook for
;Knight).
20. f5 Na6 ;Attacks White's pawn at c5.
21. Qe3 ... ;White misses the chance for a forced
;mate. Much better is fxe6+, leading to
;21...fxe6 22.Bxa6 Bxa6 23.Qa5 Qc8 24.f7
;Qh8 25.Rxd5+ cxd5 26.c6+ Kd6 27.Bf4+ e5
;28.Bxe5+ Qxe5 29.f8=Q+ Ke6 30.Rxe5+ Kxe5
;31.Qe7+ Kf5 32.Qxd5+ Kg4 33.Qf3# and
;mate.
... h6 ;Black steps into the forced mate. Much
;better is gxf5. h6 leads to 22.Qe5 Nxc5
;23.Bb5 Nb3+ 24.cxb3 Qf8 25.Rxd5+ exd5
;26.Bf4 Qc5+ 27.Bc4 Qxa3+ 28.Kd1 Qxb3+
;29.Bxb3 axb3 30.Qe8# and checkmate.
22. Bxh6 ... ;White misses the forced mate. Much
;better is Qe5, leading to 22...Nxc5
;23.Bb5 Nb3+ 24.cxb3 Qf8 25.Rxd5+ exd5
;26.Bf4 Qc5+ 27.Bc4 Qxa3+ 28.Kd1 Qxb3+
;29.Bxb3 axb3 30.Qe8# and checkmate.
... Kd8 ;Black moves into a forced mate. Much
;better is Nc7. Kd8 leads to 23.Qf4 Bb7
;24.Qd6+ Kc8 25.Bxa6 Qd8 26.Bxb7+ Kxb7
;27.Qxd8 g5 28.Rxe6 fxe6 29.Qb6+ Kc8
;30.Qxc6+ Kb8 31.f7 exf5 32.f8=Q+ Ka7
;33.Qb6# and checkmate.
23. Qf4 ... ;White has a mate in 10. Attacks Black's
;pawn at a4. Leads to 23...Bb7 24.Qd6+
;Kc8 25.Bxa6 Qd8 26.Bxb7+ Kxb7 27.Qxd8 g5
;28.Rxe6 fxe6 29.Qb6+ Kc8 30.Qxc6+ Kb8
;31.f7 exf5 32.f8=Q+ Ka7 33.Qb6# and
;checkmate.
... e5 ;Attacks White's queen and creates a
;passed pawn on e5.
24. Qxe5 ... ;White has a mate in 5. Threatens mate
;(queen to e7). Leads to 24...Bb7 25.Qd6+
;Kc8 26.Bf8 Nc7 27.Re7 Kb8 28.Qxc7+ Ka8
;29.Qxb7# and checkmate.
... Bb7 ;Black gives White a forced mate
;opportunity. Much better is Qf8. Bb7
;leads to 25.Bxa6 Kc8 26.Bf4 Qd8 27.Qb8+
;Kd7 28.Qxb7+ Qc7 29.Qxc7# and checkmate.
25. Qe7+ ... ;White doesn't see the win. Much better
;is Bxa6, leading to 25...Kc8 26.Bf4 Qd8
;27.Qb8+ Kd7 28.Qxb7+ Qc7 29.Qxc7# and
;checkmate.
... Kc8 ;Forced. Moves it out of check and
;protects Black's bishop.
26. Qe8+ ... ;White has a mate in 4. Forks Black's
;queen and Black's king. Leads to
;26...Qxe8 27.Rxe8+ Kc7 28.Bf4+ Kd7
;29.Rde1 Nxc5 30.R1e7# and checkmate.
... Qxe8 ;Protects Black's king and attacks
;White's pawn at c5.
27. Rxe8+ ... ;White has a mate in 3. Protects White's
;pawn at c5 and checks Black's king.
;Leads to 27...Kc7 28.Bf4+ Kd7 29.Rde1
;Nxc5 30.R1e7# and checkmate.
... Kc7 ;Moves it out of check and attacks
;White's pawn at c5.
28. Rf8 ... ;White doesn't see the win. Much better
;is Bf4+, leading to 28...Kd7 29.Rde1
;Nxc5 30.R1e7# and checkmate.
... Nxc5 ;Takes the knight away from the edge of
;the board.
29. Rxf7+ ... ;Forks Black's king and Black's pawn at
;g6, creates a passed pawn on f6, and
;isolates Black's pawn at g6.
... Kc8 ;Black moves into a forced mate. Much
;better is Kb6. Kc8 leads to 30.fxg6 Kb8
;31.g7 d4 32.g8=Q+ Ka7 33.Qd8 Na6 34.Bxa6
;Kxa6 35.Rxd4 c5 36.Rxa4+ Kb5 37.Rxb7+
;Kxa4 38.Qa8# and checkmate.
30. fxg6 ... ;White has a mate in 8. Creates passed
;pawns on g6, g2, and h2. Leads to
;30...Kb8 31.g7 d4 32.g8=Q+ Ka7 33.Qd8
;Na6 34.Bxa6 Kxa6 35.Rxd4 c5 36.Rxa4+ Kb5
;37.Rxb7+ Kxa4 38.Qa8# and checkmate.
... Nd7
31. Bf5 ... ;White has a mate in 9. Pins Black's
;knight. Leads to 31...Kb8 32.Rxd7 Ka7
;33.f7 Ka6 34.Bd3+ Ka7 35.Be3+ d4
;36.Bxd4+ c5 37.Bxc5+ Kb8 38.f8=Q+ Bc8
;39.Qd6+ Ka8 40.Ra7# and checkmate.
... Kb8 ;Frees Black's knight from the pin.
32. Rxd7 ... ;White has a mate in 7. Leads to
;32...Bc8 33.Bf4+ Ka8 34.g7 Bxd7 35.g8=Q+
;Be8 36.Qxe8+ Ka7 37.Qb8+ Ka6 38.Bd3+ Ka5
;39.Qb4# and checkmate.
... Bc8 ;Skewers White's rook at d7 and attacks
;White's rook at d7.
33. Bf4+ ... ;White has a mate in 6. Removes the
;threat on White's rook at d7 and checks
;Black's king. Leads to 33...Ka8 34.f7
;Bxd7 35.f8=Q+ Be8 36.Qxe8+ Kb7 37.Qb8+
;Ka6 38.Bd3+ Ka5 39.Bd2# and checkmate.
... Ka8 ;Forced. Moves it out of check and
;threatens White's rook at d7.
34. Rc7 ... ;White has a mate in 5. Moves it to
;safety and forks Black's bishop and
;Black's pawn at c6. Leads to 34...d4
;35.f7 Bb7 36.f8=Q+ Ka7 37.Qb4 Ka6
;38.Qxb7+ Ka5 39.Bd2# and checkmate.
... Be6
35. f7 ... ;White misses the forced mate. Much
;better is Bxe6, leading to 35...d4 36.f7
;c5 37.f8=Q# and checkmate.
... Bc8
36. f8=Q ... ;White has a mate in 1. Threatens mate
;(queen takes bishop), pins Black's
;bishop, and protects White's bishop at
;f5. Leads to 36...c5 37.Qxc8# and mate.
... c5
37. Qxc8# ... ;Checkmates Black's king.
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