[Site ""]
[Date "10-14-2012"]
[Round ""]
[White "Manny"]
[Black "Ricardo"]
[Result "0-1"]
[ECO "c) U"]
1. Nf3 d5
2. d3 Nc6
3. Qd2 e5
4. Qf4 Bb4+
5. c3 Ba5
6. Qxf7+ Kxf7
7. Ng5+ Ke8
8. b3 Nf6
9. Nf7 Kxf7
10. a3 b5
11. g3 Re8
12. Nd2 Bf5
13. Nc4 dxc4
14. Bd2 cxd3
15. Bh3 Bxh3
16. a4 bxa4
17. exd3 Qxd3
18. b4 Qe4+
19. Be3 Qxh1+
20. Kd2 Qxa1
21. bxa5 Red8+
22. Bd4 exd4
23. f3 dxc3+
24. Ke2 c2
25. a6 c1=Q
26. f4 Qcc3
27. f5 Qab2#
0-1
Seguem o tabuleiro, o PGN, o PGN com analise do chessmaster e o pgn com autoanotation, tambem do chessmaster
Aqui o PGN
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2012.10.14"]
[Round ""]
[White "Manny"]
[Black "Ricardo"]
[TimeControl "900"]
[Result "0-1"]
[ECO " "]
1.Nf3 d5 2.d3 Nc6 3.Qd2 e5 4.Qf4 Bb4+ 5.c3 Ba5 6.Qxf7+ Kxf7 7.Ng5+ Ke8 8.b3 Nf6 9.Nf7 Kxf7 10.a3 b5 11.g3 Re8 12.Nd2 Bf5 13.Nc4
dxc4 14.Bd2 cxd3 15.Bh3 Bxh3 16.a4 bxa4 17.exd3 Qxd3 18.b4 Qe4+ 19.Be3 Qxh1+ 20.Kd2 Qxa1 21.bxa5 Red8+ 22.Bd4 exd4 23.f3 dxc3+
24.Ke2 c2 25.a6 c1=Q 26.f4 Qcc3 27.f5 Qab2# 0-1
Aqui o PGN com analise do chessmaster
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2012.10.14"]
[Round ""]
[White "Manny"]
[Black "Ricardo"]
[TimeControl "900"]
[Result "0-1"]
[ECO " "]
1.Nf3
{Book.}
1...d5
{Book.}
2.d3
{Score: -0.09 2...Nc6 3.d4 Nf6 4.c4 e6 5.e3 Bd6 6.Be2 dxc4 7.O-O O-O 8.Bxc4 (Time = 0:58, Depth = 2/12)}
2...Nc6
{Score: -0.09 3.d4 e6 4.Bf4 Nge7 5.e3 Ng6 6.Bg3 Bd7 7.h4 Be7 8.h5 Bb4+ 9.Nc3 (Time = 1:07, Depth = 2/12)}
3.Qd2
{Score: -0.53 3...e5 4.e4 Nf6 5.exd5 Nxd5 6.c4 Nf6 7.Nc3 Bd6 8.Be2 O-O 9.O-O (Time = 0:51, Depth = 2/12)}
3...e5
{Score: -0.57 4.e4 Nf6 5.exd5 Nxd5 6.d4 e4 7.Ne5 Nxe5 8.dxe5 Bg4 9.h3 Bb4 10.Nc3 (Time = 0:53, Depth = 2/12)}
4.Qf4
{Score: -9.72 4...exf4 5.Bxf4 Qf6 6.Bc1 Bg4 7.c3 Bxf3 8.gxf3 Bd6 9.h4 h6 10.Nd2 Nge7 11.d4 (Time = 1:46, Depth = 2/13)}
4...Bb4+
{Score: -6.73 5.Qxb4 Nxb4 6.Na3 e4 7.Nd4 Nf6 8.c3 Na6 9.dxe4 Nxe4 10.Bf4 O-O 11.e3 Qe7 (Time = 0:32, Depth = 2/13)}
5.c3
{Score: -7.35 5...exf4 6.cxb4 Nxb4 7.Kd1 Bg4 8.a3 Nc6 9.Nc3 d4 10.Ne4 f5 11.Neg5 Bxf3 12.Nxf3 g5 (Time = 0:54, Depth =
2/14)}
5...Ba5
{Score: 0.39 6.Nxe5 Nf6 7.Nxc6 bxc6 8.e4 O-O 9.Be2 Re8 10.e5 Qe7 11.d4 c5 12.O-O cxd4 13.cxd4 (Time = 0:52, Depth =
2/13)}
6.Qxf7+
{Score: -8.82 6...Kxf7 7.e4 (Time = 0:00, Depth = 1/2)}
6...Kxf7
{Score: -8.58 7.b4 Bb6 8.b5 Nce7 9.Nxe5+ Ke8 10.e3 Nf6 11.Ba3 Bd7 12.d4 Ng4 13.Nxd7 Qxd7 (Time = 0:36, Depth = 2/13)}
7.Ng5+
{Score: -9.45 7...Kf8 8.e4 Nd4 9.Kd1 h6 10.cxd4 hxg5 11.Bd2 Bxd2 12.Nxd2 dxe4 13.dxe5 exd3 (Time = 0:38, Depth = 2/12)}
7...Ke8
{Score: -9.56 8.e4 Nd4 9.Kd1 Ne6 10.Nf3 dxe4 11.Nxe5 c5 12.Be2 Bc7 13.f4 Bxe5 14.fxe5 exd3 (Time = 1:09, Depth = 2/12)
}
8.b3
{Score: -10.51 8...Qf6 9.Bd2 Bb6 10.f3 h6 11.Nh3 Bxh3 12.gxh3 Nge7 13.Na3 Rf8 14.b4 a6 (Time = 0:48, Depth = 2/12)}
8...Nf6
{Score: -9.89 9.b4 Bb6 10.e3 e4 11.dxe4 dxe4 12.a4 h6 13.a5 Bxa5 14.Nxe4 Bxb4 15.cxb4 Nxe4 (Time = 1:33, Depth = 2/12)
}
9.Nf7
{Score: -13.04 9...Kxf7 10.b4 Bb6 11.a4 a5 12.b5 Ne7 13.Nd2 Bf5 14.Nf3 Ng6 15.c4 Kg8 16.cxd5 Qxd5 (Time = 1:54, Depth =
2/13)}
9...Kxf7
{Score: -13.04 10.b4 Bb6 11.a4 a5 12.b5 Ne7 13.Nd2 Bf5 14.Nf3 Ng6 15.c4 Kg8 16.cxd5 Qxd5 (Time = 1:12, Depth = 2/12)}
10.a3
{Score: -14.82 10...Nd4 11.Ra2 Nxb3 12.Bg5 d4 13.Rc2 h6 14.Bxf6 Qxf6 15.e3 Qc6 16.exd4 exd4 17.Re2 Bxc3+ 18.Kd1 (Time =
0:44, Depth = 2/14)}
10...b5
{Score: -12.92 11.e3 Rf8 12.b4 Bb6 13.Nd2 Kg8 14.Bb2 Ng4 15.Nf3 Be6 16.h3 Nh6 (Time = 1:12, Depth = 2/12)}
11.g3
{Score: -14.39 11...Nd4 12.Ra2 Nxb3 13.Bb2 e4 14.a4 exd3 15.axb5 Qe8 16.e3 Qxb5 17.Bg2 Bg4 18.O-O (Time = 1:08, Depth =
2/14)}
11...Re8
{Score: -13.03 12.b4 Bb6 13.a4 bxa4 14.Bg2 e4 15.d4 Bd7 16.Na3 Kg8 17.O-O a5 18.b5 (Time = 1:07, Depth = 2/13)}
12.Nd2
{Score: -14.91 12...Bxc3 13.Ra2 Nd4 14.Bg2 e4 15.e3 exd3 16.O-O Ne2+ 17.Kh1 Ne4 18.Nxe4 dxe4 19.Bd2 Bf5 (Time = 0:55,
Depth = 2/13)}
12...Bf5
{Score: -13.05 13.b4 Bb6 14.h3 e4 15.g4 Bg6 16.d4 e3 17.fxe3 Rxe3 18.Nb1 Qe8 19.Bxe3 Qxe3 20.Bg2 Qc1+ 21.Kf2 (Time =
0:57, Depth = 2/13)}
13.Nc4
{Score: -19.45 13...Bxc3+ 14.Bd2 Bxa1 15.Ne3 Qd7 16.h3 Bg6 17.Bg2 Nd4 18.g4 h6 19.h4 Nxb3 20.h5 Bh7 (Time = 1:07, Depth
= 2/14)}
13...dxc4
{Score: -17.44 14.b4 cxd3 15.bxa5 Nd4 16.cxd4 Qxd4 17.Ra2 Qc4 18.Be3 Qxa2 19.exd3 Qa1+ 20.Ke2 Qxa3 (Time = 0:38,
Depth = 2/12)}
14.Bd2
{Score: -20.76 14...Nd4 15.Ra2 Qd5 16.Rg1 cxd3 17.cxd4 Qxb3 18.f3 Qb1+ 19.Kf2 Bb6 20.g4 Qxa2 21.gxf5 Qxd2 (Time = 1:07,
Depth = 2/12)}
14...cxd3
{Score: -19.06 15.b4 Qd5 16.Rg1 Bb6 17.e3 Qf3 18.g4 Nxg4 19.Rg2 e4 20.a4 a5 21.axb5 axb4 (Time = 0:46, Depth = 2/12)
}
15.Bh3
{Score: -26.50 15...Bxh3 16.O-O-O dxe2 17.Be3 exd1=Q+ 18.Rxd1 Qc8 19.b4 Bb6 20.a4 Bg4 21.Re1 bxa4 22.Kb2 (Time = 0:55,
Depth = 2/12)}
15...Bxh3
{Score: -26.50 16.O-O-O dxe2 17.Be3 exd1=Q+ 18.Rxd1 Qc8 19.b4 Bb6 20.a4 Bg4 21.Re1 bxa4 22.Kb2 (Time = 1:17, Depth =
1/11)}
16.a4
{MATE IN 8. 16...Qd5 17.Rg1 Nd4 18.Ra2 Nf3+ 19.Kd1 Qxb3+ 20.Kc1 Qxa2 21.exd3 Qxd2+ 22.Kb1 Bxc3 23.axb5 Qb2# (Time =
0:10, Depth = 1/11)}
16...bxa4
{Score: -26.89 17.f3 axb3 18.e4 Nd4 19.O-O-O Nxf3 20.Rhe1 Qd6 21.Kb2 Nxd2 22.Rxd2 Bxc3+ 23.Kc1 Bxd2+ 24.Kxd2 (Time =
1:08, Depth = 1/11)}
17.exd3
{MATE IN 5. 17...Qxd3 18.f3 Nd4 19.Kd1 Ne4 20.fxe4 Bg4+ 21.Kc1 Qc2# (Time = 0:00, Depth = 1/7)}
17...Qxd3
{MATE IN 5. 18.f3 Nd4 19.Kd1 Qc2+ 20.Ke1 Nxf3+ 21.Ke2 Qxd2+ 22.Kxf3 Bg4# (Time = 0:00, Depth = 1/5)}
18.b4
{MATE IN 3. 18...Bg4 19.f3 Qxf3 20.bxa5 Qe2# (Time = 0:00, Depth = 1/5)}
18...Qe4+
{MATE IN 7. 19.Kd1 Red8 20.g4 Rxd2+ 21.Kxd2 Nxb4 22.Ra2 Rd8+ 23.Kc1 Qxh1+ 24.Kb2 Rd2+ 25.Ka3 Rxa2# (Time = 0:00,
Depth = 1/7)}
19.Be3
{MATE IN 5. 19...Rad8 20.Rg1 Nxb4 21.cxb4 Bxb4+ 22.Ke2 Qc4+ 23.Kf3 Qg4# (Time = 0:00, Depth = 1/7)}
19...Qxh1+
{MATE IN 7. 20.Ke2 Bg4+ 21.Kd2 Qd5+ 22.Bd4 exd4 23.f3 dxc3+ 24.Kxc3 Qb3+ 25.Kd2 Bxb4+ 26.Kc1 Re1# (Time = 0:00,
Depth = 1/6)}
20.Kd2
{MATE IN 5. 20...Rad8+ 21.Bd4 Qxa1 22.bxa5 exd4 23.cxd4 Rxd4+ 24.Kc2 Bf5# (Time = 0:00, Depth = 1/6)}
20...Qxa1
{MATE IN 5. 21.Ke2 Nd4+ 22.cxd4 Qf1+ 23.Kd2 Bxb4+ 24.Kc2 Bf5+ 25.Kb2 Qb1# (Time = 0:00, Depth = 1/4)}
21.bxa5
{MATE IN 4. 21...Rad8+ 22.Bd4 exd4 23.cxd4 Rxd4+ 24.Kc2 Nb4# (Time = 0:00, Depth = 1/4)}
21...Red8+
{Score: -33.40 22.Bd4 Qb2+ 23.Kd1 exd4 (Time = 0:00, Depth = 1/2)}
22.Bd4
{MATE IN 4. 22...Qb2+ 23.Ke3 Qc1+ 24.Ke2 Bf1+ 25.Kf3 e4# (Time = 0:00, Depth = 1/3)}
22...exd4
{MATE IN 4. 23.f3 dxc3+ 24.Ke2 Rd2+ 25.Ke3 Nd5+ 26.Ke4 Re8# (Time = 0:00, Depth = 1/2)}
23.f3
{MATE IN 3. 23...dxc3+ 24.Ke3 Qe1+ 25.Kf4 Qe5# (Time = 0:00, Depth = 1/3)}
23...dxc3+
{MATE IN 2. 24.Ke2 Qb2+ 25.Ke3 Qd2# (Time = 0:00, Depth = 1/2)}
24.Ke2
{MATE IN 2. 24...Qb2+ 25.Ke3 Qd2# (Time = 0:00, Depth = 1/2)}
24...c2
{MATE IN 2. 25.a6 Qf1+ 26.Ke3 c1=Q# (Time = 0:00, Depth = 1/2)}
25.a6
{MATE IN 2. 25...Qf1+ 26.Ke3 c1=Q# (Time = 0:00, Depth = 1/2)}
25...c1=Q
{MATE IN 2. 26.f4 Qf1+ 27.Ke3 Rd3# (Time = 0:00, Depth = 1/2)}
26.f4
{MATE IN 2. 26...Nd4+ 27.Kd3 Bf1# (Time = 0:00, Depth = 1/2)}
26...Qcc3
{MATE IN 1. 27.f5 Qf1# (Time = 0:00, Depth = 1/2)}
27.f5
{MATE IN 1. 27...Rd2# (Time = 0:00, Depth = 1/1)}
27...Qab2# 0-1
Aqui o PGN com autoanotarion do chessmaster
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2012.10.14"]
[Round ""]
[White "Manny"]
[Black "Ricardo"]
[TimeControl "900"]
[Result "0-1"]
[ECO " "]
{Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 70 seconds per move.
White Black
Book Move 2 1
Leave
Book 0 1
CMX Agrees 12 17
CMX Disagrees 13 9
Agreement Pct. 48% 65%
Total Error 43.80 19.56
Relevant
Error 18.36 7.74
Missed Mate 0 2
Moved Into Mate 2 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.}
1...d5
{A06 King's Indian Attack. Black responds to 1.Nf3 with a natural Pawn move, which White can transpose into a number of
openings - here a King's Indian with colors reversed - or the King's Indian Attack.}
2.d3
{A06 King's Indian Attack / Old Indian Attack. A reversed Pirc or King's Indian Defense. White will achieve equality.}
2...Nc6
{Out of Opening Book. Nf6 would have been in the King's Indian Attack / Old Indian Attack book opening.
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3.Qd2 e5 4.Qf4
{Danger! Hangs the queen. Leads to 4...exf4 5.Bxf4 Qf6 6.Bc1 Bg4 7.c3 Bxf3 8.gxf3 Bd6 9.h4 h6 10.Nd2 Nge7 11.d4,
which wins a bishop and a pawn for a queen and a knight. Much better is e4, leading to 4...Nf6 5.exd5 Nxd5 6.d4 e4 7.Ne5 Nxe5
8.dxe5 Bg4 9.h3 Bb4 10.Nc3, which wins a knight and a pawn for a knight and a pawn.}
4...Bb4+
{Leads to 5.Qxb4 Nxb4 6.Na3 e4 7.Nd4 Nf6 8.c3 Na6 9.dxe4 Nxe4 10.Bf4 O-O 11.e3 Qe7, which wins a queen and a pawn for
a bishop and a pawn. Better is exf4, leading to 5.Bxf4 Qf6 6.Bc1 Bg4 7.c3 Bxf3 8.gxf3 Bd6 9.h4 h6 10.Nd2 Nge7 11.d4, which wins
a queen and a knight for a bishop and a pawn.}
5.c3
{Removes the threat on White's king and threatens Black's bishop at b4.}
5...Ba5
{Uh-oh! Leads to 6.Nxe5 Nf6 7.Nxc6 bxc6 8.e4 O-O 9.Be2 Re8 10.e5 Qe7 11.d4 c5 12.O-O cxd4 13.cxd4, which wins a knight
and a pawn for a knight and two pawns. Much better is exf4, leading to 6.cxb4 Nxb4 7.Kd1 Bg4 8.a3 Nc6 9.Nc3 d4 10.Ne4 f5 11.Neg5
Bxf3 12.Nxf3 g5, which wins a queen, a knight, and a pawn for two bishops. Black's only meaningful error of the game gave away a
won position, but black was later able to manage a mate
anyway.
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6.Qxf7+
{Look out. Leads to 6...Kxf7 7.e4, which wins a pawn for a queen. Much better is Nxe5, leading to 6...Nf6 7.Nxc6 bxc6
8.e4 O-O 9.Be2 Re8 10.e5 Qe7 11.d4 c5 12.O-O cxd4 13.cxd4, which wins a knight and two pawns for a knight and a pawn. This was
white's key error. White was not able to regain the lost ground and was eventually
mated.
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6...Kxf7
{Forced. Removes the threat on Black's pawn at g7. Black wins a queen for a pawn.}
7.Ng5+
{Slightly better is b4.}
7...Ke8
{Moves it out of check.}
8.b3
{Slightly better is e4.}
8...Nf6 9.Nf7
{Hangs the knight at f7. Leads to 9...Kxf7 10.b4 Bb6 11.a4 a5 12.b5 Ne7 13.Nd2 Bf5 14.Nf3 Ng6 15.c4 Kg8 16.cxd5
Qxd5, which wins a pawn for a knight and a pawn. Better is b4, leading to 9...Bb6 10.e3 e4 11.dxe4 dxe4 12.a4 h6 13.a5 Bxa5
14.Nxe4 Bxb4 15.cxb4 Nxe4, which wins a bishop and two pawns for a knight and three pawns.}
9...Kxf7
{Protects Black's queen and Black's rook at h8. Black wins a knight.}
10.a3
{Leads to 10...Nd4 11.Ra2 Nxb3 12.Bg5 d4 13.Rc2 h6 14.Bxf6 Qxf6 15.e3 Qc6 16.exd4 exd4 17.Re2 Bxc3+ 18.Kd1, which wins a
knight and a pawn for a bishop and three pawns. Better is b4, leading to 10...Bb6 11.a4 a5 12.b5 Ne7 13.Nd2 Bf5 14.Nf3 Ng6 15.c4
Kg8 16.cxd5 Qxd5, which wins a pawn for a pawn.}
10...b5
{Leads to 11.e3 Rf8 12.b4 Bb6 13.Nd2 Kg8 14.Bb2 Ng4 15.Nf3 Be6 16.h3 Nh6, which does not exchange any material. Better
is Nd4, leading to 11.Ra2 Nxb3 12.Bg5 d4 13.Rc2 h6 14.Bxf6 Qxf6 15.e3 Qc6 16.exd4 exd4 17.Re2 Bxc3+ 18.Kd1, which wins a bishop
and three pawns for a knight and a pawn.}
11.g3
{Leads to 11...Nd4 12.Ra2 Nxb3 13.Bb2 e4 14.a4 exd3 15.axb5 Qe8 16.e3 Qxb5 17.Bg2 Bg4 18.O-O, which wins a pawn for three
pawns. Better is e3, leading to 11...Rf8 12.b4 Bb6 13.Nd2 Kg8 14.Bb2 Ng4 15.Nf3 Be6 16.h3 Nh6, which does not result in any
captures.}
11...Re8
{Leads to 12.b4 Bb6 13.a4 bxa4 14.Bg2 e4 15.d4 Bd7 16.Na3 Kg8 17.O-O a5 18.b5, which wins a pawn. Better is Nd4,
leading to 12.Ra2 Nxb3 13.Bb2 e4 14.a4 exd3 15.axb5 Qe8 16.e3 Qxb5 17.Bg2 Bg4 18.O-O, which wins three pawns for a pawn.}
12.Nd2
{Hangs the pawn at c3. Leads to 12...Bxc3 13.Ra2 Nd4 14.Bg2 e4 15.e3 exd3 16.O-O Ne2+ 17.Kh1 Ne4 18.Nxe4 dxe4 19.Bd2
Bf5, which wins a knight for a knight and two pawns. Better is b4, leading to 12...Bb6 13.a4 bxa4 14.Bg2 e4 15.d4 Bd7 16.Na3 Kg8
17.O-O a5 18.b5, which loses a pawn.}
12...Bf5
{Leads to 13.b4 Bb6 14.h3 e4 15.g4 Bg6 16.d4 e3 17.fxe3 Rxe3 18.Nb1 Qe8 19.Bxe3 Qxe3 20.Bg2 Qc1+ 21.Kf2, which wins a
bishop and a pawn for a rook and a pawn. Better is Bxc3, leading to 13.Ra2 Nd4 14.Bg2 e4 15.e3 exd3 16.O-O Ne2+ 17.Kh1 Ne4
18.Nxe4 dxe4 19.Bd2 Bf5, which wins a knight and two pawns for a knight.}
13.Nc4
{Look out. Hangs the knight. Leads to 13...Bxc3+ 14.Bd2 Bxa1 15.Ne3 Qd7 16.h3 Bg6 17.Bg2 Nd4 18.g4 h6 19.h4 Nxb3 20.h5
Bh7, which loses a rook and two pawns. Much better is b4, leading to 13...Bb6 14.h3 e4 15.g4 Bg6 16.d4 e3 17.fxe3 Rxe3 18.Nb1
Qe8 19.Bxe3 Qxe3 20.Bg2 Qc1+ 21.Kf2, which wins a rook and a pawn for a bishop and a pawn.}
13...dxc4
{Isolates own pawn at e5. Leads to 14.b4 cxd3 15.bxa5 Nd4 16.cxd4 Qxd4 17.Ra2 Qc4 18.Be3 Qxa2 19.exd3 Qa1+ 20.Ke2
Qxa3, which wins a rook, a knight, and three pawns for a bishop, a knight, and a pawn. Better is Bxc3+, leading to 14.Bd2 Bxa1
15.Ne3 Qd7 16.h3 Bg6 17.Bg2 Nd4 18.g4 h6 19.h4 Nxb3 20.h5 Bh7, which wins a rook and two pawns.}
14.Bd2
{Leads to 14...Nd4 15.Ra2 Qd5 16.Rg1 cxd3 17.cxd4 Qxb3 18.f3 Qb1+ 19.Kf2 Bb6 20.g4 Qxa2 21.gxf5 Qxd2, which wins a
bishop and a knight for a rook, a bishop, and two pawns. Better is b4, leading to 14...cxd3 15.bxa5 Nd4 16.cxd4 Qxd4 17.Ra2 Qc4
18.Be3 Qxa2 19.exd3 Qa1+ 20.Ke2 Qxa3, which wins a bishop, a knight, and a pawn for a rook and three pawns.}
14...cxd3
{Leads to 15.b4 Qd5 16.Rg1 Bb6 17.e3 Qf3 18.g4 Nxg4 19.Rg2 e4 20.a4 a5 21.axb5 axb4, which wins three pawns for a
pawn. Better is Nd4, leading to 15.Ra2 Qd5 16.Rg1 cxd3 17.cxd4 Qxb3 18.f3 Qb1+ 19.Kf2 Bb6 20.g4 Qxa2 21.gxf5 Qxd2, which wins a
rook, a bishop, and two pawns for a bishop and a knight.}
15.Bh3
{Danger! Hangs the bishop at h3. Leads to 15...Bxh3 16.O-O-O dxe2 17.Be3 exd1=Q+ 18.Rxd1 Qc8 19.b4 Bb6 20.a4 Bg4 21.Re1
bxa4 22.Kb2. Much better is b4, leading to 15...Qd5 16.Rg1 Bb6 17.e3 Qf3 18.g4 Nxg4 19.Rg2 e4 20.a4 a5 21.axb5 axb4, which gains
a rook and a bishop.}
15...Bxh3
{Blocks White's pawn at h2 and prevents the opponent's kingside castle.}
16.a4
{White gives Black a forced mate opportunity. Much better is O-O-O. a4 leads to 16...Qd5 17.Rg1 Nd4 18.Ra2 Nf3+ 19.Kd1
Qxb3+ 20.Kc1 Qxa2 21.exd3 Qxd2+ 22.Kb1 Bxc3 23.axb5 Qb2# and mate.}
16...bxa4
{Black doesn't see the win. Much better is Qd5, leading to 17.Rg1 Nd4 18.Ra2 Nf3+ 19.Kd1 Qxb3+ 20.Kc1 Qxa2 21.exd3
Qxd2+ 22.Kb1 Bxc3 23.axb5 Qb2# and mate.}
17.exd3
{White moves into a forced mate. Much better is f3. exd3 leads to 17...Qxd3 18.f3 Nd4 19.Kd1 Ne4 20.fxe4 Bg4+ 21.Kc1
Qc2# and checkmate.}
17...Qxd3
{Black senses victory with a mate in 4. Leads to 18.f3 Nd4 19.Kd1 Ne4 20.fxe4 Bg4+ 21.Kc1 Qc2# and checkmate.}
18.b4
{Moves it out of immediate jeopardy and threatens Black's bishop at a5.}
18...Qe4+
{Black has a mate in 7. Protects Black's bishop at a5 and Black's pawn at a4 and forks White's king and White's rook
at h1. Leads to 19.Kd1 Red8 20.g4 Rxd2+ 21.Kxd2 Nxb4 22.Ra2 Rd8+ 23.Kc1 Qxh1+ 24.Kb2 Rd2+ 25.Ka3 Rxa2# and mate.}
19.Be3
{Protects White's king and forks Black's bishop at a5 and Black's pawn at a4.}
19...Qxh1+
{Black has a mate in 7. Skewers White's king, protects Black's bishop at a5 and Black's pawn at a4, and forks
White's pawn at h2 and White's king. Leads to 20.Ke2 Bg4+ 21.Kd2 Qd5+ 22.Bd4 exd4 23.f3 dxc3+ 24.Kxc3 Qb3+ 25.Kd2 Bxb4+ 26.Kc1
Re1# and checkmate.}
20.Kd2
{Moves it out of check and triple-forks Black's bishop at a5, Black's pawn at a4, and Black's queen.}
20...Qxa1
{Black has a mate in 5. Removes the threat on Black's pawn at a4. Leads to 21.Ke2 Nd4+ 22.cxd4 Qf1+ 23.Kd2 Bxb4+
24.Kc2 Bf5+ 25.Kb2 Qb1# and checkmate.}
21.bxa5
{ Black wins two rooks for a bishop. Black is ahead by a queen, two rooks, two knights, and a pawn in material.}
21...Red8+
{Black doesn't see the win. Much better is Rad8+, leading to 22.Bd4 exd4 23.cxd4 Rxd4+ 24.Kc2 Nb4# and mate.}
22.Bd4
{Removes the threat on White's king.}
22...exd4
{Black has a mate in 4. Leads to 23.f3 dxc3+ 24.Ke2 Rd2+ 25.Ke3 Nd5+ 26.Ke4 Re8# and checkmate.}
23.f3 dxc3+
{Black has a mate in 2. Checks White's king with a double check and creates passed pawns on c7 and c3. Leads to
24.Ke3 Qe1+ 25.Kf4 Qe5# and checkmate.}
24.Ke2
{Moves it out of check.}
24...c2
{Black has a mate in 2. Adds a promote threat at c2. Leads to 25.a6 Qf1+ 26.Ke3 c1=Q# and checkmate.}
25.a6
{Moves it to safety.}
25...c1=Q
{Black has a mate in 2. Threatens checkmate (queen to d2). Leads to 26.f4 Qf1+ 27.Ke3 Rd3# and mate.}
26.f4 Qcc3
{Black is one move from mate. Threatens checkmate (queen at a1 to b2). Leads to 27.f5 Qf1# and checkmate.}
27.f5 Qab2#
{Checkmates White's king.
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