[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2021.3.16"]
[Round ""]
[White "Jenna"]
[Black "Ricardo"]
[TimeControl "900+3"]
[Result "0-1"]
[ECO " "]
1.Nf3 e5 2.Nxe5 d5 3.Nc3 Bd6 4.e4 Bxe5 5.Qe2 Nf6 6.g3 Nc6 7.a3 Bg4 8.Qb5 a6 9.Qc5 dxe4 10.h3 Qd7 11.hxg4 Qxg4 12.Bh3 Bd6 13.Rh2
Bxc5 14.Bxg4 Nxg4 15.d4 Nxh2 16.dxc5 O-O-O 17.Ke2 Rhe8 18.Be3 Ng4 19.Rd1 Nxe3 20.Rd6 cxd6 21.Kxe3 dxc5 22.Nd5 Rxd5 23.g4 Ne5
24.Ke2 Nxg4 25.c4 Rd4 26.Ke1 Red8 27.Kf1 Nxf2 28.b4 Ng4 29.b5 Rd2 30.a4 Ra2 31.Ke1 Rdd2 32.bxa6 Rh2 33.axb7+ Kxb7 34.a5 Rh1# 0-1
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-16-2021"]
[Round ""]
[White "Jenna"]
[Black "Ricardo"]
[Result "0-1"]
[ECO "c) U"]
1. Nf3 ... ;Book.
... e5 ;Book.
2. Nxe5 ... ;Score: 0.49 2...Nf6 3.d4 Be7 4.Nc3 d5
;5.e3 O-O 6.Bd3 Be6 7.O-O Nbd7 8.Nf3
;(Time = 0:33, Depth = 2/12)
... d5 ;Score: 0.52 3.d4 Nd7 4.c4 Nxe5 5.dxe5
;dxc4 6.Qxd8+ Kxd8 7.e4 Be6 8.Be3 Bb4+
;9.Nc3 Ne7 10.O-O-O+ Ke8 (Time = 0:16,
;Depth = 1/11)
3. Nc3 ... ;Score: 0.06 3...d4 4.Nb1 Nf6 5.e3 Be6
;6.Qf3 c6 7.Be2 Be7 8.Qf4 dxe3 9.fxe3
;(Time = 0:20, Depth = 2/12)
... Bd6 ;Score: 0.54 4.d4 Be6 5.e4 dxe4 6.d5
;Bxe5 7.dxe6 Bxc3+ 8.bxc3 fxe6 9.Rb1 Nc6
;10.Rxb7 (Time = 0:29, Depth = 2/12)
4. e4 ... ;Score: -1.27 4...Bxe5 5.d4 Bd6 6.Nxd5
;Ne7 7.Bc4 Nxd5 8.Bxd5 c6 9.Bb3 O-O
;10.O-O (Time = 0:13, Depth = 2/12)
... Bxe5 ;Score: -1.28 5.d4 Bd6 6.Nxd5 Ne7 7.Nc3
;O-O 8.Be2 Be6 9.Be3 Ng6 10.O-O Nc6 (Time
;= 0:20, Depth = 2/12)
5. Qe2 ... ;Score: -2.83 5...d4 6.Qb5+ Nd7 7.Ne2 c6
;8.Qc4 Nb6 9.Qc5 Qe7 10.Qxe7+ Nxe7 11.f4
;Bd6 12.d3 (Time = 0:20, Depth = 2/12)
... Nf6 ;Score: -2.36 6.Nxd5 O-O 7.Nxf6+ Bxf6
;8.c3 c5 9.Qe3 Bf5 10.Bd3 Re8 11.O-O Nc6
;12.f4 (Time = 0:21, Depth = 2/12)
6. g3 ... ;Score: -3.32 6...O-O 7.Bg2 Re8 8.O-O
;dxe4 9.Nxe4 Nxe4 10.Bxe4 f5 11.d4 Bxd4
;12.Bd5+ Kh8 13.Qc4 (Time = 0:22, Depth =
;2/12)
... Nc6 ;Score: -2.80 7.exd5 Bg4 8.f3 Qe7 9.fxg4
;Nd4 10.g5 Nxe2 11.gxf6 Qxf6 12.Bxe2 O-O
;(Time = 0:21, Depth = 2/12)
7. a3 ... ;Score: -5.04 7...Nd4 8.Qd1 Bg4 9.Be2
;Nxe2 10.Nxe2 dxe4 11.d4 exd3ep 12.cxd3
;O-O 13.h3 (Time = 0:18, Depth = 2/12)
... Bg4 ;Score: -5.13 8.Qb5 O-O 9.Ne2 Nxe4
;10.Bg2 Qf6 11.f4 Bxe2 12.Qxe2 Bxb2
;13.Rb1 Bxc1 14.Rxc1 (Time = 0:38, Depth
;= 2/12)
8. Qb5 ... ;Score: -5.08 8...O-O 9.Ne2 Nxe4 10.Bg2
;Qf6 11.f3 Bxf3 12.Rf1 Bxe2 13.Qxe2 Nd4
;14.Rxf6 Nxe2 (Time = 0:27, Depth = 1/11)
... a6 ;Score: -4.20 9.Qxb7 Nd4 10.Bd3 Nf3+
;11.Ke2 Nd4+ 12.Ke1 Bf3 13.Rg1 dxe4
;14.Nxe4 Nxe4 15.Bxe4 Nxc2+ 16.Kf1 Bxe4
;17.Qxe4 Nxa1 18.Qxe5+ Kf8 (Time = 0:11,
;Depth = 1/11)
9. Qc5 ... ;Score: -10.41 9...Bd4 10.Qxd5 Nxd5
;11.Nxd5 Bf3 12.Rg1 Bxe4 13.Ne3 Ne5
;14.Be2 Nf3+ 15.Bxf3 Bxf3 16.d3 (Time =
;0:17, Depth = 2/12)
... dxe4 ;Score: -4.87 10.Bg2 Bd4 11.Qc4 b5
;12.Qxc6+ Bd7 13.Qb7 Ra7 14.Bxe4 Rxb7
;15.Bxb7 Qe7+ 16.Ne2 O-O 17.Bxa6 (Time =
;0:20, Depth = 2/12)
10. h3 ... ;Score: -6.65 10...Bf3 11.Rh2 Nd7 12.Qc4
;Nd4 13.Nd5 Bh5 14.Bg2 b5 15.Qc3 Nf3+
;16.Bxf3 Bxc3 17.Bxh5 (Time = 0:20, Depth
;= 2/12)
... Qd7 ;Score: -1.88 11.hxg4 b6 12.Qc4 Nd4
;13.g5 b5 14.Qc5 Nxc2+ 15.Kd1 Bd4 16.Bh3
;Qxh3 17.Rxh3 Bxc5 18.Kxc2 (Time = 0:07,
;Depth = 1/11)
11. hxg4 ... ;Score: -1.85 11...b6 12.Qc4 Nd4 13.g5
;b5 14.Qc5 Nxc2+ 15.Kd1 Bd4 16.Bh3 Bxc5
;17.Bxd7+ Kxd7 18.Kxc2 (Time = 0:21,
;Depth = 2/12)
... Qxg4 ;Score: -1.24 12.Rh4 Bd4 13.Rxg4 Bxc5
;14.Rh4 Nd4 15.Kd1 Nf3 16.Rf4 Bd6 17.Rf5
;(Time = 0:21, Depth = 1/11)
12. Bh3 ... ;Score: -1.47 12...Qf3 13.O-O Bd4 14.Qg5
;h6 15.Qf4 Qxf4 16.gxf4 O-O 17.Re1 Bxc3
;18.dxc3 Rad8 (Time = 0:16, Depth = 2/12)
... Bd6 ;Score: -0.09 13.Qxc6+ bxc6 14.Bxg4 Nxg4
;15.Nxe4 f5 16.Ng5 h6 17.Nf3 O-O 18.d3
;Rae8+ 19.Kf1 f4 20.gxf4 Bxf4 21.Bxf4
;Rxf4 (Time = 0:15, Depth = 2/13)
13. Rh2 ... ;Score: -6.17 13...Bxc5 14.Bxg4 Nxg4
;15.Rg2 f5 16.b4 Ba7 17.Bb2 Rd8 18.Ne2
;O-O 19.Rd1 Nce5 20.Nf4 (Time = 0:19,
;Depth = 2/13)
... Bxc5 ;Score: -6.21 14.Bxg4 Nxg4 15.Rg2 f5
;16.b4 Ba7 17.Kf1 O-O-O 18.d3 Bd4 19.Bd2
;exd3 20.cxd3 Nge5 21.Rd1 Nxd3 (Time =
;0:11, Depth = 2/13)
14. Bxg4 ... ;Score: -6.23 14...Nxg4 15.Rg2 f5 16.b4
;Ba7 17.Bb2 Rd8 18.Nd1 Nge5 19.Ke2 Nd4+
;20.Bxd4 Bxd4 21.Nc3 O-O (Time = 0:24,
;Depth = 3/14)
... Nxg4 ;Score: -6.19 15.Rg2 f5 16.b4 Ba7 17.Bb2
;Rd8 18.Nd1 Nge5 19.Ke2 Nd4+ 20.Bxd4 Bxd4
;21.Nc3 O-O (Time = 0:17, Depth = 2/13)
15. d4 ... ;Score: -8.57 15...Nxh2 16.dxc5 Nd4
;17.Ra2 Rd8 18.b3 O-O 19.Bf4 Ndf3+ 20.Ke2
;f5 21.c6 bxc6 22.Be3 Ng4 (Time = 0:18,
;Depth = 2/13)
... Nxh2 ;Score: -8.74 16.dxc5 Nd4 17.Ra2 Rd8
;18.b3 O-O 19.Be3 Nhf3+ 20.Kf1 f5 21.a4
;Rfe8 22.a5 Ne6 (Time = 0:12, Depth =
;2/13)
16. dxc5 ... ;Score: -8.72 16...Nd4 17.Ra2 Rd8 18.b4
;f5 19.Be3 Nhf3+ 20.Kf1 O-O 21.a4 Rfe8
;22.Rb2 Ne6 23.b5 (Time = 0:22, Depth =
;3/13)
... O-O-O ;Score: -8.64 17.Be3 Nf3+ 18.Kf1 f5
;19.Ne2 Nce5 20.Ng1 Nd4 21.Rc1 Ne6 22.Ne2
;Nf3 23.Ng1 Ned4 24.Bxd4 Nxd4 (Time =
;0:17, Depth = 3/13)
17. Ke2 ... ;Score: -13.55 17...Nd4+ 18.Ke3 Nxc2+
;19.Kf4 Nxa1 20.Nxe4 Rhe8 21.Be3 h6
;22.Nc3 g5+ 23.Kf5 Nc2 24.Bc1 Nf3 (Time =
;0:14, Depth = 2/11)
... Rhe8 ;Score: -8.77 18.Be3 Nf3 19.Rc1 f5 20.b3
;Ncd4+ 21.Bxd4 Rxd4 22.Ke3 Rd2 23.Nb1 Rd5
;24.b4 Rdd8 25.Nc3 (Time = 0:23, Depth =
;3/14)
18. Be3 ... ;Score: -8.77 18...Nf3 19.Rc1 f5 20.b3
;Ncd4+ 21.Bxd4 Rxd4 22.Ke3 Rd2 23.Nb1 Rd5
;24.b4 Rdd8 25.Nc3 (Time = 0:14, Depth =
;3/13)
... Ng4 ;Score: -8.78 19.Rh1 Nd4+ 20.Bxd4 Rxd4
;21.Ke1 e3 22.f3 Nf6 23.g4 h6 24.Rg1 Rd2
;25.g5 hxg5 26.Rxg5 (Time = 0:20, Depth =
;2/12)
19. Rd1 ... ;Score: -8.80 19...Rxd1 20.Nxd1 f5 21.c3
;Nce5 22.Bd4 Kd7 23.c4 g6 24.b3 Nf3
;25.Bc3 Nge5 (Time = 0:15, Depth = 3/13)
... Nxe3 ;Score: -9.00 20.Rxd8+ Rxd8 21.Kxe3 Na5
;22.Nxe4 Nc4+ 23.Kf4 Nxb2 24.c6 b5 25.Kf3
;Nc4 26.Ng5 Rd5 27.Nxh7 Nxa3 (Time =
;0:12, Depth = 3/14)
20. Rd6 ... ;Score: -14.91 20...cxd6 21.fxe3 dxc5
;22.Na4 Rd6 23.Nxc5 Rh6 24.b4 Rh2+ 25.Kd1
;Rg2 26.c4 Rxg3 27.b5 Re5 (Time = 0:23,
;Depth = 3/14)
... cxd6 ;Score: -15.63 21.fxe3 dxc5 22.Nb1 Re5
;23.Nd2 Rh5 24.Nxe4 Rh2+ 25.Nf2 Ne5
;26.Ke1 Nf3+ 27.Ke2 Rd2+ 28.Kxf3 Rdxf2+
;29.Ke4 Rhg2 30.b3 Rxg3 (Time = 0:38,
;Depth = 4/15)
21. Kxe3 ... ;Score: -16.18 21...dxc5 22.g4 Nd4
;23.Kd2 Nb5+ 24.Ke2 Nxc3+ 25.bxc3 e3
;26.fxe3 Re4 27.g5 Rg4 28.c4 Rxg5 (Time =
;0:22, Depth = 3/13)
... dxc5 ;Score: -16.20 22.g4 Nd4 23.Kd2 Nb5+
;24.Ke2 Nxc3+ 25.bxc3 e3 26.fxe3 Re4
;27.g5 Rg4 28.c4 Rxg5 (Time = 0:19, Depth
;= 3/12)
22. Nd5 ... ;Score: -21.29 22...Rxd5 23.g4 Ne5
;24.Kf4 Rd2 25.Kg3 Rxc2 26.b4 cxb4
;27.axb4 Nd3 28.f3 exf3 29.g5 (Time =
;0:24, Depth = 3/13)
... Rxd5 ;Score: -21.39 23.g4 Ne5 24.Kf4 Rd2
;25.Kg3 Rxc2 26.b4 cxb4 27.axb4 Nd3 28.f3
;exf3 29.g5 (Time = 0:15, Depth = 3/12)
23. g4 ... ;Score: -29.29 23...Ne5 24.b4 Nxg4+
;25.Kf4 Nxf2 26.Ke3 Nd1+ 27.Ke2 e3
;28.bxc5 Nc3+ 29.Kf3 e2 30.c6 bxc6 31.Kg4
;e1=Q (Time = 0:20, Depth = 3/12)
... Ne5 ;MATE IN 10. 24.Kf4 Nc4 25.Kg3 e3 26.b3
;e2 27.bxc4 Rd2 28.g5 e1=Q 29.Kg4 Re4+
;30.f4 Qe2+ 31.Kg3 Re3+ 32.Kh4 Qh2+
;33.Kg4 Qh3# (Time = 0:14, Depth = 3/12)
24. Ke2 ... ;MATE IN 8. 24...Nxg4 25.c4 e3 26.f4
;Rd2+ 27.Kf3 Nh2+ 28.Kg3 e2 29.Kh4 e1=Q+
;30.Kg5 Qg1+ 31.Kh5 Qg4# (Time = 0:01,
;Depth = 3/10)
... Nxg4 ;MATE IN 7. 25.c4 e3 26.f4 Rd2+ 27.Kf3
;Nh2+ 28.Kg3 e2 29.Kh4 e1=Q+ 30.Kh5 Qe2+
;31.Kg5 Qg4# (Time = 0:00, Depth = 2/8)
25. c4 ... ;MATE IN 7. 25...e3 26.f4 Rd2+ 27.Kf3
;Nh2+ 28.Kg3 e2 29.Kh4 e1=Q+ 30.Kg5 Qg3+
;31.Kh5 Qg4# (Time = 0:00, Depth = 2/8)
... Rd4 ;MATE IN 8. 26.Kf1 e3 27.Kg2 e2 28.f4
;Ne3+ 29.Kf2 e1=Q+ 30.Kxe1 Ng4+ 31.Kf1
;Rd2 32.b3 Nh2+ 33.Kg1 Re1# (Time = 0:00,
;Depth = 2/8)
26. Ke1 ... ;MATE IN 6. 26...e3 27.f3 e2 28.fxg4
;Rd1+ 29.Kf2 e1=Q+ 30.Kg2 Rd2+ 31.Kh3
;Re3# (Time = 0:00, Depth = 2/7)
... Red8 ;Score: -21.08 27.Kf1 Rd2 28.f3 Rxb2
;(Time = 0:00, Depth = 1/3)
27. Kf1 ... ;MATE IN 7. 27...Rd2 28.Kg2 R8d3 29.Kf1
;Rxf2+ 30.Ke1 Rdd2 31.b3 Rfe2+ 32.Kf1
;Ne3+ 33.Kg1 Rd1# (Time = 0:00, Depth =
;2/8)
... Nxf2 ;MATE IN 8. 28.Kxf2 Rd2+ 29.Ke3 R8d3+
;30.Kf4 Rf2+ 31.Ke5 Rff3 32.b4 Kd7
;33.bxc5 f6+ 34.Kxe4 Ke6 35.a4 f5# (Time
;= 0:03, Depth = 3/10)
28. b4 ... ;MATE IN 6. 28...Nh1 29.Ke2 Rd2+ 30.Ke3
;g5 31.Kxe4 Ng3+ 32.Ke5 R2d6 33.bxc5 f6#
;(Time = 0:01, Depth = 3/10)
... Ng4 ;MATE IN 8. 29.Kg2 Rd2+ 30.Kg3 Nh6
;31.Kf4 Rf2+ 32.Kg3 Rdd2 33.Kh4 Rf4+
;34.Kg3 Rf3+ 35.Kh4 Rh2+ 36.Kg5 f6# (Time
;= 0:00, Depth = 2/8)
29. b5 ... ;MATE IN 5. 29...Rd2 30.bxa6 Ne3+ 31.Ke1
;Rh2 32.axb7+ Kxb7 33.a4 Rd1# (Time =
;0:00, Depth = 2/7)
... Rd2 ;Score: -22.16 30.bxa6 Ne3+ 31.Ke1 bxa6
;32.a4 Nxc4 (Time = 0:00, Depth = 1/4)
30. a4 ... ;MATE IN 3. 30...Ne3+ 31.Ke1 Rg2 32.bxa6
;Rd1# (Time = 0:00, Depth = 1/4)
... Ra2 ;Score: -21.58 31.Ke1 Rxa4 (Time = 0:00,
;Depth = 1/2)
31. Ke1 ... ;MATE IN 2. 31...Ne3 32.bxa6 Rd1# (Time
;= 0:00, Depth = 1/3)
... Rdd2 ;MATE IN 3. 32.b6 Re2+ 33.Kf1 Nh2+
;34.Kg1 Ra1# (Time = 0:00, Depth = 1/2)
32. bxa6 ... ;MATE IN 3. 32...Re2+ 33.Kf1 Nh2+ 34.Kg1
;Ra1# (Time = 0:00, Depth = 1/2)
... Rh2 ;MATE IN 2. 33.axb7+ Kxb7 34.a5 Ra1#
;(Time = 0:00, Depth = 1/2)
33. axb7+ ... ;MATE IN 2. 33...Kxb7 34.a5 Ra1# (Time =
;0:00, Depth = 1/3)
... Kxb7 ;MATE IN 1. 34.a5 Ra1# (Time = 0:00,
;Depth = 1/2)
34. a5 ... ;MATE IN 1. 34...Ra1# (Time = 0:00,
;Depth = 1/1)
... Rh1#
0-1
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-16-2021"]
[Round ""]
[White "Jenna"]
[Black "Ricardo"]
[Result "0-1"]
[ECO "c) U"]
;Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 21 seconds
;per move.
;
; White Black
;Book Move 2 1
;Leave Book 0 1
;CMX Agrees 20 26
;CMX Disagrees 12 7
;Agreement Pct. 63% 79%
;Total Error 37.96 16.47
;Relevant Error 17.89 6.15
;Missed Mate 0 2
;Moved Into Mate 1 0
;
;
1. Nf3 ... ;A04 King's Indian Attack. With the
;King's Indian opening, White retains the
;option of various second Pawn moves.
;However, Black is allowed to develop at
;leisure.
... e5 ;Opening Book move
2. Nxe5 ... ;Opening Book move
... d5 ;Out of Opening Book.
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;
3. Nc3 Bd6 ;Attacks White's knight at e5.
4. e4 ... ;Leads to 4...Bxe5 5.d4 Bd6 6.Nxd5 Ne7
;7.Bc4 Nxd5 8.Bxd5 c6 9.Bb3 O-O 10.O-O,
;which wins a knight and a pawn for two
;knights. Better is d4, leading to
;4...Be6 5.e4 dxe4 6.d5 Bxe5 7.dxe6 Bxc3+
;8.bxc3 fxe6 9.Rb1 Nc6 10.Rxb7, which
;wins two bishops and a pawn for two
;knights and two pawns.
... Bxe5 ;Protects Black's pawn at d5 and blocks
;White's pawn at e4. Black wins a knight.
5. Qe2 ... ;Leads to 5...d4 6.Qb5+ Nd7 7.Ne2 c6
;8.Qc4 Nb6 9.Qc5 Qe7 10.Qxe7+ Nxe7 11.f4
;Bd6 12.d3, which wins a queen for a
;queen. Better is d4, leading to 5...Bd6
;6.Nxd5 Ne7 7.Nc3 O-O 8.Be2 Be6 9.Be3 Ng6
;10.O-O Nc6, which wins a pawn.
... Nf6 ;Clears the way for a kingside castle.
6. g3 ... ;Slightly better is Nxd5.
... Nc6
7. a3 ... ;Leads to 7...Nd4 8.Qd1 Bg4 9.Be2 Nxe2
;10.Nxe2 dxe4 11.d4 exd3ep 12.cxd3 O-O
;13.h3, which wins a knight and a pawn
;for a bishop and two pawns. Better is
;exd5, leading to 7...Bg4 8.f3 Qe7 9.fxg4
;Nd4 10.g5 Nxe2 11.gxf6 Qxf6 12.Bxe2 O-O,
;which wins a bishop, two knights, and a
;pawn for a queen and a pawn.
... Bg4 ;Attacks White's queen and blocks White's
;pawn at g3.
8. Qb5 ... ;Moves it to safety, pins Black's knight
;at c6, and attacks Black's pawn at b7.
... a6 ;Slightly better is O-O.
9. Qc5 ... ;Look out. Frees Black's knight from the
;pin. Leads to 9...Bd4 10.Qxd5 Nxd5
;11.Nxd5 Bf3 12.Rg1 Bxe4 13.Ne3 Ne5
;14.Be2 Nf3+ 15.Bxf3 Bxf3 16.d3, which
;wins two knights and a pawn for a queen,
;a bishop, and a pawn. Much better is
;Qxb7, leading to 9...Nd4 10.Bd3 Nf3+
;11.Ke2 Nd4+ 12.Ke1 Bf3 13.Rg1 dxe4
;14.Nxe4 Nxe4 15.Bxe4 Nxc2+ 16.Kf1 Bxe4
;17.Qxe4 Nxa1 18.Qxe5+ Kf8, which wins
;two bishops, a knight, and two pawns for
;a rook, a bishop, a knight, and two
;pawns. This was white's critical error
;in the game. White did recover, but was
;later mated.
;§¯³¨
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;
... dxe4 ;Yikes! Leads to 10.Bg2 Bd4 11.Qc4 b5
;12.Qxc6+ Bd7 13.Qb7 Ra7 14.Bxe4 Rxb7
;15.Bxb7 Qe7+ 16.Ne2 O-O 17.Bxa6, which
;wins a queen and a pawn for a rook, a
;knight, and two pawns. Much better is
;Bd4, leading to 10.Qxd5 Nxd5 11.Nxd5 Bf3
;12.Rg1 Bxe4 13.Ne3 Ne5 14.Be2 Nf3+
;15.Bxf3 Bxf3 16.d3, which wins a queen,
;a bishop, and a pawn for two knights and
;a pawn.
10. h3 ... ;Leads to 10...Bf3 11.Rh2 Nd7 12.Qc4 Nd4
;13.Nd5 Bh5 14.Bg2 b5 15.Qc3 Nf3+ 16.Bxf3
;Bxc3 17.Bxh5, which wins a bishop and a
;knight for a queen. Better is Bg2,
;leading to 10...Bd4 11.Qc4 b5 12.Qxc6+
;Bd7 13.Qb7 Ra7 14.Bxe4 Rxb7 15.Bxb7 Qe7+
;16.Ne2 O-O 17.Bxa6, which wins a rook, a
;knight, and two pawns for a queen.
... Qd7 ;Yikes! Leads to 11.hxg4 b6 12.Qc4 Nd4
;13.g5 b5 14.Qc5 Nxc2+ 15.Kd1 Bd4 16.Bh3
;Qxh3 17.Rxh3 Bxc5 18.Kxc2, which wins a
;queen, a bishop, and a pawn for a queen,
;a bishop, and a knight. Much better is
;Bf3, leading to 11.Rh2 Nd7 12.Qc4 Nd4
;13.Nd5 Bh5 14.Bg2 b5 15.Qc3 Nf3+ 16.Bxf3
;Bxc3 17.Bxh5, which wins a queen for a
;bishop and a knight. Black had a won
;game before this error, but it was not
;costly; black was able to eventually
;mate.
;§³¨
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;
11. hxg4 Qxg4 ;Blocks White's pawn at g3. White wins a
;bishop for a pawn.
12. Bh3 ... ;Threatens Black's queen and makes way
;for a castle to the kingside.
... Bd6 ;Leads to 13.Qxc6+ bxc6 14.Bxg4 Nxg4
;15.Nxe4 f5 16.Ng5 h6 17.Nf3 O-O 18.d3
;Rae8+ 19.Kf1 f4 20.gxf4 Bxf4 21.Bxf4
;Rxf4, which wins a queen, two bishops,
;and a pawn for a queen, a bishop, a
;knight, and two pawns. Better is Qf3,
;leading to 13.O-O Bd4 14.Qg5 h6 15.Qf4
;Qxf4 16.gxf4 O-O 17.Re1 Bxc3 18.dxc3
;Rad8, which wins a queen and a knight
;for a queen and a bishop.
13. Rh2 ... ;Yikes! Leads to 13...Bxc5 14.Bxg4 Nxg4
;15.Rg2 f5 16.b4 Ba7 17.Bb2 Rd8 18.Ne2
;O-O 19.Rd1 Nce5 20.Nf4, which wins a
;queen for a queen and a bishop. Much
;better is Qxc6+, leading to 13...bxc6
;14.Bxg4 Nxg4 15.Nxe4 f5 16.Ng5 h6 17.Nf3
;O-O 18.d3 Rae8+ 19.Kf1 f4 20.gxf4 Bxf4
;21.Bxf4 Rxf4, which wins a queen, a
;bishop, a knight, and two pawns for a
;queen, two bishops, and a pawn.
... Bxc5
14. Bxg4 ... ;Hampers the opponent's ability to castle
;to the queenside.
... Nxg4 ;Attacks White's rook at h2, blocks
;White's pawn at g3, and makes way for a
;castle to the queenside.
15. d4 ... ;Hangs the pawn at d4. Leads to 15...Nxh2
;16.dxc5 Nd4 17.Ra2 Rd8 18.b3 O-O 19.Bf4
;Ndf3+ 20.Ke2 f5 21.c6 bxc6 22.Be3 Ng4,
;which wins a bishop for a rook and a
;pawn. Better is Rg2, leading to 15...f5
;16.b4 Ba7 17.Bb2 Rd8 18.Nd1 Nge5 19.Ke2
;Nd4+ 20.Bxd4 Bxd4 21.Nc3 O-O, which wins
;a knight for a bishop.
... Nxh2
16. dxc5 ... ; Black wins a queen, a rook, and a
;bishop for a queen and a bishop.
... O-O-O
17. Ke2 ... ;Danger! Leads to 17...Nd4+ 18.Ke3 Nxc2+
;19.Kf4 Nxa1 20.Nxe4 Rhe8 21.Be3 h6
;22.Nc3 g5+ 23.Kf5 Nc2 24.Bc1 Nf3, which
;wins a pawn for a rook and a pawn. Much
;better is Be3, leading to 17...Nf3+
;18.Kf1 f5 19.Ne2 Nce5 20.Ng1 Nd4 21.Rc1
;Ne6 22.Ne2 Nf3 23.Ng1 Ned4 24.Bxd4 Nxd4,
;which wins a knight for a bishop.
... Rhe8 ;Yikes! Leads to 18.Be3 Nf3 19.Rc1 f5
;20.b3 Ncd4+ 21.Bxd4 Rxd4 22.Ke3 Rd2
;23.Nb1 Rd5 24.b4 Rdd8 25.Nc3, which wins
;a bishop for a knight. Much better is
;Nd4+, leading to 18.Ke3 Nxc2+ 19.Kf4
;Nxa1 20.Nxe4 Rhe8 21.Be3 h6 22.Nc3 g5+
;23.Kf5 Nc2 24.Bc1 Nf3, which wins a rook
;and a pawn for a pawn.
18. Be3 ... ;Blocks Black's pawn at e4.
... Ng4 ;Blocks White's pawn at g3.
19. Rd1 Nxe3 ;Forks White's rook and White's pawn at
;c2.
20. Rd6 ... ;Yikes! Leads to 20...cxd6 21.fxe3 dxc5
;22.Na4 Rd6 23.Nxc5 Rh6 24.b4 Rh2+ 25.Kd1
;Rg2 26.c4 Rxg3 27.b5 Re5, which wins a
;knight and a pawn for a rook and two
;pawns. Much better is Rxd8+, leading to
;20...Rxd8 21.Kxe3 Na5 22.Nxe4 Nc4+
;23.Kf4 Nxb2 24.c6 b5 25.Kf3 Nc4 26.Ng5
;Rd5 27.Nxh7 Nxa3, which wins a rook, a
;knight, and two pawns for a rook and two
;pawns.
... cxd6 ;Threatens White's pawn at c5.
21. Kxe3 ... ;Protects White's pawn at c2 and blocks
;Black's pawn at e4.
... dxc5
22. Nd5 ... ;Yikes! Hangs the knight. Leads to
;22...Rxd5 23.g4 Ne5 24.Kf4 Rd2 25.Kg3
;Rxc2 26.b4 cxb4 27.axb4 Nd3 28.f3 exf3
;29.g5, which wins a pawn for a knight
;and three pawns. Much better is g4,
;leading to 22...Nd4 23.Kd2 Nb5+ 24.Ke2
;Nxc3+ 25.bxc3 e3 26.fxe3 Re4 27.g5 Rg4
;28.c4 Rxg5, which wins a knight and a
;pawn for a knight and a pawn.
... Rxd5 ; Black wins a rook, a bishop, a knight,
;and a pawn for a knight. Black is ahead
;by two rooks, a knight, and two pawns in
;material.
23. g4 Ne5 ;Threatens White's pawn at g4.
24. Ke2 Nxg4 ;Black perceives a mate in 7. Creates a
;passed pawn on h7 and isolates White's
;pawn at f2. Leads to 25.c4 e3 26.f4 Rd2+
;27.Kf3 Nh2+ 28.Kg3 e2 29.Kh4 e1=Q+
;30.Kg5 Qg1+ 31.Kh5 Qg4# and checkmate.
25. c4 ... ;Attacks Black's rook at d5.
... Rd4 ;Black has a mate in 8. Moves it to
;safety and attacks White's pawn at c4.
;Leads to 26.Kf1 e3 27.Kg2 e2 28.f4 Ne3+
;29.Kf2 e1=Q+ 30.Kxe1 Ng4+ 31.Kf1 Rd2
;32.b3 Nh2+ 33.Kg1 Re1# and checkmate.
26. Ke1 Red8 ;Black misses the forced mate. Much
;better is e3, leading to 27.f3 e2
;28.fxg4 Rd1+ 29.Kf2 e1=Q+ 30.Kg2 Rd2+
;31.Kh3 Re3# and checkmate.
27. Kf1 Nxf2 ;Black has a mate in 8. Creates passed
;pawns on f7, g7, and e4. Leads to
;28.Kxf2 Rd2+ 29.Ke3 R8d3+ 30.Kf4 Rf2+
;31.Ke5 Rff3 32.b4 Kd7 33.bxc5 f6+
;34.Kxe4 Ke6 35.a4 f5# and mate.
28. b4 ... ;Attacks Black's pawn at c5.
... Ng4 ;Black has a mate in 8. Moves it to
;safety. Leads to 29.Kg2 Rd2+ 30.Kg3 Nh6
;31.Kf4 Rf2+ 32.Kg3 Rdd2 33.Kh4 Rf4+
;34.Kg3 Rf3+ 35.Kh4 Rh2+ 36.Kg5 f6# and
;mate.
29. b5 Rd2 ;Black has a mate in 4. Leads to 30.bxa6
;Ne3+ 31.Ke1 Rh2 32.axb7+ Kxb7 33.a4 Rd1#
;and mate.
30. a4 ... ;White moves into a forced mate. Much
;better is bxa6. a4 leads to 30...Ne3+
;31.Ke1 Rg2 32.bxa6 Rd1# and checkmate.
... Ra2 ;Black misses the chance for a forced
;mate. Much better is Ne3+, leading to
;31.Ke1 Rg2 32.bxa6 Rd1# and checkmate.
31. Ke1 Rdd2 ;Black has a mate in 3. Leads to 32.b6
;Re2+ 33.Kf1 Nh2+ 34.Kg1 Ra1# and
;checkmate.
32. bxa6 Rh2 ;Black has a mate in 2. Threatens to mate
;(rook to h1). Leads to 33.axb7+ Kxb7
;34.a5 Ra1# and checkmate.
33. axb7+ ... ;Removes the threat on White's pawn at
;a4, checks Black's king, adds a promote
;threat at b7, creates passed pawns on b7
;and a4, and isolates Black's pawn at c5.
... Kxb7 ;Black is one move from mate. Threatens
;checkmate (rook to h1), attacks White's
;pawn at a4, removes the promote threat
;at b7, and isolates White's pawn at a4
;and White's pawn at c4. Leads to 34.a5
;Ra1# and checkmate.
34. a5 ... ;Pushes the passed pawn.
... Rh1# ;Checkmates White's king.
;
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