analise feita pelo Crafty do babaschess
analise feita pelo chessmaster grandmaster. 500 seconds per move
Agui o pgn do tabuleiro acima:
[Event "rated standard match"]
[Site "Free Internet Chess Server"]
[Date "2012.10.13"]
[Round "?"]
[White "NeckerC"]
[Black "ricardobianchin"]
[TimeControl "900"]
[Result "0-1"]
[ECO " "]
[WhiteELO "1263"]
[BlackELO "1143"]
1.Nf3
{Book.}
1...d5
{Book.}
2.Nc3
{Book.}
2...Nf6
{Book.}
3.e3
{Score: -0.03 3...Bg4 4.d4 e6 5.Be2 Nc6 6.Bd2 Be7 7.h3 Bh5 8.g4 Bg6 9.Nh4 O-O 10.g5 Nd7 11.Nxg6 hxg6 (Time = 9:56, Depth
= 3/15)}
3...Nc6
{Score: 0.07 4.d4 a6 5.Bd3 Bg4 6.O-O e6 7.h3 Bxf3 8.Qxf3 Be7 9.Bd2 O-O 10.a3 Qd6 (Time = 5:09, Depth = 2/14)}
4.Bb5
{Score: 0.07 4...Qd6 5.d4 a6 6.Bxc6+ Qxc6 7.Ne5 Qb6 8.O-O g6 9.b3 Bg7 10.Ba3 Bf5 11.Na4 Qa5 12.c4 dxc4 13.bxc4 (Time =
12:46, Depth = 3/15)}
4...e5
{Score: 0.53 5.Nxe5 Qd6 6.d4 Be7 7.O-O O-O 8.Nxc6 bxc6 9.Bd3 c5 10.Bd2 Rb8 11.Nb5 Qb6 12.c4 (Time = 5:08, Depth = 3/15)
}
5.Nxe5
{Score: 0.48 5...Qd6 6.d4 Be7 7.O-O O-O 8.Nxc6 bxc6 9.Be2 Bf5 10.a3 Rab8 11.b3 c5 12.dxc5 Qxc5 13.Bb2 (Time = 5:09,
Depth = 3/15)}
5...Qe7
{Score: 4.00 6.Nxc6 Qc5 7.d4 Qb6 8.Ne5+ c6 9.Bd3 Bd6 10.O-O O-O 11.Qf3 Be6 12.b3 Qc7 13.Bb2 Bxe5 14.dxe5 Qxe5 15.Rad1
(Time = 6:36, Depth = 3/16)}
6.d4
{Score: 0.99 6...a6 7.Bxc6+ bxc6 8.O-O Qe6 9.Re1 Bb7 10.Nd3 Bd6 11.e4 dxe4 12.Bg5 O-O 13.Bxf6 Qxf6 14.Rxe4 (Time = 12:26,
Depth = 3/15)}
6...a6
{Score: 0.99 7.Bxc6+ bxc6 8.O-O Qe6 9.Re1 Bb7 10.Nd3 Be7 11.e4 Nxe4 12.Bf4 O-O 13.Qf3 c5 14.Nxc5 (Time = 5:29, Depth =
2/14)}
7.Ba4
{Score: 0.82 7...b5 8.Nxc6 Qe6 9.Ne5 bxa4 10.Nxa4 Be7 11.O-O O-O 12.Bd2 Rb8 13.b3 Bb7 14.Nd3 Ne4 15.Bb4 Bxb4 16.Nxb4
(Time = 6:34, Depth = 3/15)}
7...Bd7
{Score: 0.98 8.Nxc6 Bxc6 9.Bxc6+ bxc6 10.O-O Qe6 11.e4 Nxe4 12.Nxe4 dxe4 13.f3 O-O-O 14.fxe4 c5 15.Bg5 f6 16.d5 Qxe4
(Time = 8:14, Depth = 3/15)}
8.Qd3
{Score: -0.06 8...Nxe5 9.dxe5 Qxe5 10.Bxd7+ Kxd7 11.Bd2 Bd6 12.O-O-O Rae8 13.Kb1 Kc8 14.f3 Kb8 15.Bc1 c6 16.e4 Bb4
17.Bd2 (Time = 8:02, Depth = 3/15)}
8...Qb4
{Score: 1.79 9.Nxd7 Kxd7 10.O-O g6 11.Bb3 Qd6 12.Re1 Re8 13.e4 dxe4 14.Nxe4 Nxe4 15.Rxe4 Rxe4 16.Qxe4 Qxd4 (Time =
8:08, Depth = 2/14)}
9.Bd2
{Score: 1.08 9...Nxe5 10.dxe5 Bxa4 11.exf6 Qxb2 12.O-O Bxc2 13.Qxd5 Qb6 14.Rac1 Bg6 15.Rfd1 Rd8 16.Qe5+ Qe6 17.Qxc7 Qd7
(Time = 8:11, Depth = 3/15)}
9...Bd6
{Score: 3.14 10.Nxd7 Nxd7 11.Bb3 Ne7 12.Nxd5 Qb5 13.c4 Qc6 14.e4 O-O 15.O-O Rfe8 16.Rae1 Nxd5 17.exd5 (Time = 6:05,
Depth = 2/14)}
10.b3
{Score: 0.91 10...Nxe5 11.dxe5 Bxe5 12.Nxd5 Qd6 13.Nxf6+ Bxf6 14.Qe4+ Qe5 15.Bxd7+ Kxd7 16.Qxe5 Bxe5 17.O-O-O Rhe8
18.Rhe1 Kc6 19.f4 Bd6 20.e4 Bc5 (Time = 8:22, Depth = 3/15)}
10...Nxe5
{Score: 0.98 11.dxe5 Bxe5 12.Nxd5 Qd6 13.Nxf6+ Bxf6 14.Bxd7+ Kxd7 15.Rc1 Qxd3 16.cxd3 Rhc8 17.O-O c5 18.b4 cxb4
19.Bxb4 Be7 20.Bc3 Ba3 (Time = 5:55, Depth = 3/15)}
11.Nxd5
{Score: -6.30 11...Nxd3+ 12.cxd3 Qa3 13.Bc1 Nxd5 14.Bxa3 Bxa3 15.Bxd7+ Kxd7 16.Kf1 Rad8 17.h4 Rhe8 18.Rh3 Kc8 19.Rg3
g6 20.Re1 f5 (Time = 2:31, Depth = 3/16)}
11...Qa3
{Score: 4.63 12.dxe5 Bxa4 13.exf6 O-O-O 14.bxa4 gxf6 15.Bc3 Be5 16.Qf5+ Kb8 17.Bxe5 fxe5 18.Qxe5 Qc5 19.O-O-O Rhe8
20.Qf5 Qa3+ 21.Kb1 (Time = 10:22, Depth = 3/15)}
12.dxe5
{Score: 4.67 12...Bxa4 13.exf6 O-O-O 14.bxa4 gxf6 15.Bc3 Be5 16.Bxe5 Qxd3 17.Ne7+ Kd7 18.cxd3 fxe5 19.Nd5 (Time =
3:25, Depth = 2/13)}
12...Qb2
{Score: 8.92 13.Bc3 Qxc3+ 14.Nxc3 Bxe5 15.Bxd7+ Nxd7 16.f4 Bf6 17.Qe4+ Kf8 18.O-O-O Nc5 19.Qf5 b6 20.Nd5 Bd8 21.Qe5
Rc8 (Time = 8:42, Depth = 3/15)}
13.Nxc7+
{Score: 2.10 13...Bxc7 14.exf6 O-O 15.Bc3 Ba5 16.O-O Qxc3 17.Bxd7 Qxf6 18.Rad1 Rfd8 19.a3 b5 20.c4 Ra7 (Time = 3:28,
Depth = 3/15)}
13...Bxc7
{Score: 2.23 14.exf6 O-O 15.Bc3 Ba5 16.O-O Qxc3 17.Bxd7 Qxf6 18.Rad1 Rad8 19.Qe4 b5 20.a4 bxa4 21.Qxa4 (Time = 6:19,
Depth = 3/15)}
14.O-O
{Score: -1.45 14...Qxe5 15.Bxd7+ Nxd7 16.f4 Qe6 17.Bc3 O-O 18.Bxg7 Kxg7 19.Qc3+ Nf6 20.Qxc7 Qxe3+ 21.Kh1 Ne4 22.Rf3 Qe2
23.Qxb7 Qxc2 (Time = 4:33, Depth = 3/15)}
14...Ng4
{Score: 9.44 15.Qxd7+ Kf8 16.f4 Qa3 17.b4 Nh6 18.Bb3 a5 19.Qxc7 axb4 20.Rad1 g6 21.Qxb7 Qa6 22.Bxb4+ Kg7 (Time =
7:24, Depth = 2/13)}
15.a3
{Score: -1.15 15...Bxa4 16.Bc3 Bb5 17.Bxb2 Bxd3 18.cxd3 Bxe5 19.Bxe5 Nxe5 20.d4 Ng6 21.f4 Rc8 22.f5 Ne7 23.e4 Rc2
24.Rad1 (Time = 5:18, Depth = 3/15)}
15...Nxe5
{Score: 0.22 16.Bxd7+ Kd8 17.Qd5 Nxd7 18.Qxb7 Rb8 19.Qxa6 Qxc2 20.Ba5 Qxb3 21.Bxc7+ Kxc7 22.Rfd1 Rb7 23.Rac1+ Kb8
24.Qd6+ Ka8 25.Rd2 (Time = 3:50, Depth = 3/15)}
16.Qe4
{Score: -0.78 16...O-O-O 17.Rfb1 f5 18.Bxd7+ Nxd7 19.Qxf5 Qe5 20.Qxe5 Bxe5 21.Ra2 Rhe8 22.Bb4 Bc7 23.c4 a5 24.Bc3 (Time
= 8:22, Depth = 3/15)}
16...O-O
{Score: 0.78 17.Rfb1 Qxb1+ 18.Rxb1 b5 19.Bc3 Nc6 20.Qd5 Be8 21.Bxb5 axb5 22.Bb4 Rd8 23.Qxb5 Nxb4 24.Qxb4 Bc6 25.c4
(Time = 6:31, Depth = 3/15)}
17.Bc3
{Score: -5.39 17...Qxc3 18.Bxd7 Nxd7 19.Qxb7 Nf6 20.a4 Rfe8 21.Rad1 Be5 22.Rc1 Bd6 23.Rcd1 Ba3 24.Rd4 Qxc2 25.Rc4 Qd3
(Time = 6:56, Depth = 3/16)}
17...Qxc3
{Score: -5.39 18.Bxd7 Nxd7 19.Qxb7 Nf6 20.a4 Rfe8 21.Rad1 Be5 22.Rc1 Bd6 23.Rcd1 Ba3 24.Rd4 Qxc2 25.Rc4 Qd3 (Time =
6:29, Depth = 3/15)}
18.Rac1
{Score: -9.35 18...b5 19.Qd4 Qc6 20.f4 Bb6 21.Qxe5 Rfe8 22.Qh5 Bxe3+ 23.Kh1 Bxc1 24.Rxc1 bxa4 25.Rd1 axb3 26.cxb3 Re3
27.b4 Rxa3 (Time = 9:25, Depth = 3/15)}
18...b5
{Score: -9.35 19.Qd4 Qc6 20.f4 Bb6 21.Qxe5 Rfe8 22.Qh5 Bxe3+ 23.Kh1 Bxc1 24.Rxc1 bxa4 25.Rd1 axb3 26.cxb3 Re3 27.b4
Rxa3 (Time = 8:11, Depth = 2/14)}
19.Qb4
{Score: -10.48 19...Qxb4 20.axb4 bxa4 21.Rb1 Rfb8 22.bxa4 Bxa4 23.c3 Rd8 24.Rb2 Nc4 25.Ra2 Bb3 26.Raa1 Rd2 27.e4 a5
(Time = 6:44, Depth = 3/15)}
19...Qxb4
{Score: -10.38 20.axb4 bxa4 21.bxa4 Bxa4 22.Ra1 Bb5 23.Rfd1 Rad8 24.Rd4 Bb6 25.Re4 Rfe8 26.Rf4 Rd2 27.Rc1 a5 (Time =
1:26, Depth = 2/14)}
20.axb4
{Score: -10.59 20...bxa4 21.Rfd1 Rac8 22.h3 axb3 23.cxb3 Be6 24.f4 Ng6 25.Ra1 Bb6 26.Re1 Rc3 27.Kf2 Nxf4 28.Rxa6 (Time
= 8:12, Depth = 3/15)}
20...bxa4
{Score: -10.77 21.Rfd1 Rfd8 22.bxa4 Bxa4 23.Rd4 Rac8 24.Ra1 Bb5 25.h3 Bb6 26.Rxd8+ Bxd8 27.f4 Nc4 28.Re1 Bb6 29.g3
Nxe3 (Time = 8:30, Depth = 3/15)}
21.bxa4
{Score: -10.74 21...Bxa4 22.Ra1 Bb5 23.Rfc1 Bd6 24.Rab1 Rfc8 25.Rd1 Be7 26.f4 Ng4 27.h3 Nxe3 28.Re1 Nd5 29.Re5 (Time =
8:41, Depth = 4/16)}
21...Bxa4
{Score: -11.00 22.Ra1 Bb5 23.Rfd1 Rad8 24.Re1 Rd2 25.Rac1 Bd6 26.f4 Nc4 27.c3 Re8 28.Red1 Re2 29.Rb1 R8xe3 (Time =
5:41, Depth = 3/15)}
22.f4
{Score: -12.45 22...Nc4 23.e4 Bb6+ 24.Kh1 Be3 25.Ra1 Bxc2 26.e5 Rfb8 27.f5 Nxe5 28.f6 Bd3 29.Rfe1 Bd4 30.Ra5 Rxb4
31.fxg7 Kxg7 (Time = 8:14, Depth = 4/16)}
22...Bb5
{Score: -10.05 23.fxe5 Bxf1 24.Kxf1 Rfb8 25.c3 Bxe5 26.Ke2 Rc8 27.c4 Rab8 28.c5 Rxb4 29.h3 Rc6 30.Rd1 Bf6 31.Rc1
(Time = 6:08, Depth = 5/17)}
23.Rfd1
{Score: -12.70 23...Nc4 24.Rd4 Bb6 25.Kh1 Bxd4 26.exd4 Rae8 27.c3 Bc6 28.Rg1 Re2 29.h4 Ne3 30.Ra1 Bxg2+ 31.Kg1 Bb7
32.Ra5 (Time = 7:14, Depth = 4/16)}
23...Nc6
{Score: -10.90 24.c4 Ba4 25.Rd7 Bb6 26.c5 Ba7 27.Rc3 Rfd8 28.Rxd8+ Rxd8 29.Ra3 Bb5 30.Rb3 Rd3 31.Rb2 Rxe3 32.Kf2 Rd3
(Time = 10:04, Depth = 5/17)}
24.Rd7
{Score: -13.28 24...Bb6 25.Kh1 Bxe3 26.Re1 Nxb4 27.Re7 Bd2 28.c4 Bxc4 29.Ra1 Nc2 30.Rd1 Bxf4 31.g3 Ne3 32.Rdd7 (Time =
5:29, Depth = 4/16)}
24...Bb6
{Score: -13.60 25.Kh1 Bxe3 26.Rb1 Nxb4 27.Re7 Nxc2 28.f5 Rfe8 29.Rc7 Nd4 30.f6 gxf6 31.Rc3 Rac8 32.Rxc8 Rxc8 33.Re1
(Time = 8:11, Depth = 4/16)}
25.Kf2
{Score: -13.76 25...Rfe8 26.Re1 Nxb4 27.Rb7 Bc5 28.Kg3 Nxc2 29.Rc1 Rxe3+ 30.Kh4 Ne1 31.Rxc5 Nxg2+ 32.Kg4 h5+ 33.Rxh5
Be2+ 34.Kg5 f6+ 35.Kf5 Bxh5 (Time = 8:16, Depth = 3/15)}
25...Rad8
{Score: -10.77 26.Rxd8 Rxd8 27.c4 Nxb4 28.cxb5 Nd3+ 29.Kf3 Nxc1 30.bxa6 Rd3 31.Ke4 Ba7 32.Ke5 Rxe3+ 33.Kd5 Re6 34.f5
Rxa6 35.Ke4 (Time = 12:08, Depth = 5/17)}
26.Rb7
{Score: -13.80 26...Rd2+ 27.Kf3 Be2+ 28.Kg3 Bxe3 29.Re1 Nd4 30.c3 Rd3 31.Rxe2 Nxe2+ 32.Kf3 Nxc3 33.g3 Bd4+ 34.Kg4 Nd5
35.b5 a5 (Time = 6:50, Depth = 3/14)}
26...Rb8
{Score: -10.76 27.Rxb8 Rxb8 28.c4 Nxb4 29.cxb5 Nd3+ 30.Kf3 Nxc1 31.bxa6 Ra8 32.f5 Rxa6 33.f6 Ra3 34.fxg7 Rxe3+ 35.Kg4
Nd3 36.Kf5 Kxg7 (Time = 5:03, Depth = 5/17)}
27.Rxb8
{Score: -10.78 27...Rxb8 28.c4 Nxb4 29.cxb5 Nd3+ 30.Kf3 Nxc1 31.bxa6 Ra8 32.f5 Rxa6 33.f6 Ra3 34.fxg7 Rxe3+ 35.Kg4 Nd3
36.Kf5 Kxg7 (Time = 5:00, Depth = 5/16)}
27...Nxb8
{Score: -10.81 28.c4 Rc8 29.c5 Bc7 30.g4 Nc6 31.Rb1 Rb8 32.h3 Ba4 33.Rc1 Nxb4 34.Rc3 Bc6 35.Ke2 a5 36.Rc1 (Time =
8:48, Depth = 7/17)}
28.c4
{Score: -11.17 28...Rc8 29.c5 Ba7 30.Rb1 Nc6 31.h4 Bd3 32.Rb3 Bc4 33.Rc3 Bd5 34.e4 Bxe4 35.Re3 Bc2 36.g4 Nxb4 (Time =
7:54, Depth = 6/16)}
28...Ba4
{Score: -10.15 29.Ra1 Bd7 30.Rb1 Re8 31.c5 Bc7 32.h4 Nc6 33.b5 axb5 34.Rxb5 Ne5 35.Rb3 Ng4+ 36.Kf3 f5 37.g3 Bc6+
38.Ke2 (Time = 8:28, Depth = 6/16)}
29.c5
{Score: -10.95 29...Bc7 30.Ra1 Bb5 31.Rb1 Nc6 32.h4 Rb8 33.Rb2 Bc4 34.Rd2 Nxb4 35.Rd7 Nd5 36.g4 a5 37.c6 a4 (Time =
8:46, Depth = 7/17)}
29...Bc7
{Score: -11.02 30.Ra1 Bb5 31.Rb1 Nc6 32.Kf3 Rb8 33.Kg3 f5 34.h3 Bc4 35.Rd1 Re8 36.Kf2 Nxb4 37.Rd4 Nd3+ 38.Kf3 Bb5
(Time = 9:29, Depth = 7/17)}
30.c6
{Score: -12.36 30...Nxc6 31.Ra1 Bb5 32.Rb1 Rd8 33.h4 Rd2+ 34.Kf3 Bd3 35.Ra1 f5 36.Kg3 Nxb4 37.Rc1 Nd5 38.h5 (Time =
6:45, Depth = 5/15)}
30...Nxc6
{Score: -12.41 31.Ra1 Bb5 32.Rb1 Rd8 33.h4 Rd2+ 34.Kf3 Be2+ 35.Kg3 Bb6 36.e4 Rd3+ 37.Kh2 Bf2 38.f5 Bg3+ 39.Kg1 Rd1+
40.Rxd1 Bxd1 41.f6 Nxb4 42.fxg7 Kxg7 (Time = 6:52, Depth = 4/14)}
31.f5
{Score: -13.52 31...Rd8 32.Ra1 Bb5 33.Kg1 Nxb4 34.h3 Bb6 35.Kh2 Nc2 36.Rc1 Nxe3 37.g4 a5 38.Kg3 Rd2 (Time = 6:37, Depth
= 5/15)}
31...Re8
{Score: -13.32 32.Rc3 Bb6 33.f6 Nxb4 34.fxg7 Kxg7 35.Rc4 Nd3+ 36.Ke2 Bb5 37.Rg4+ Kf6 38.Rg3 Rxe3+ 39.Rxe3 Ne5+ 40.Kf2
Nc4 41.Ke2 Bxe3 (Time = 8:09, Depth = 5/15)}
32.Rd1
{MATE IN 11. 32...Bxd1 33.g4 Nxb4 34.Ke1 Bxg4 35.Kd2 Be5 36.Ke1 Rd8 37.Kf2 Rd2+ 38.Ke1 Rd1+ 39.Kf2 Nd3+ 40.Kg2 Rd2+
41.Kf1 Bh3+ 42.Kg1 Rd1# (Time = 5:55, Depth = 4/14)}
32...Nxb4
{Score: -14.69 33.Ra1 Bb5 34.Rb1 Nd3+ 35.Kf3 Ne5+ 36.Kg3 Nc4+ 37.Kf2 Nxe3 38.Kg1 Nxf5 39.Kh1 Re2 40.Rc1 Bc6 41.Rg1
Be5 (Time = 9:20, Depth = 6/15)}
33.Rd7
{MATE IN 9. 33...Bxd7 34.Ke2 Bb6 35.e4 Rxe4+ 36.Kd2 Bb5 37.Kc3 Nd5+ 38.Kb3 Bc4+ 39.Kb2 Re2+ 40.Kc1 Nc3 41.g4 Be3# (Time
= 4:18, Depth = 5/14)}
33...Bb6
{Score: -16.91 34.Rd6 Bc5 35.Rxa6 Nxa6 36.g3 Rb8 37.Kf3 Bd1+ 38.Ke4 Nb4 39.Kf4 Re8 40.Kg5 Re4 41.g4 Be7+ 42.f6 Bxf6+
43.Kf5 Re5+ 44.Kf4 Nd3+ 45.Kg3 Rxe3+ 46.Kg2 Bxg4 (Time = 7:32, Depth = 5/14)}
34.g4 0-1
Agora o tabuleiro e o pgn com autoanotation:
Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 500 seconds per move
[Event "rated standard match"]
[Site "Free Internet Chess Server"]
[Date "2012.10.13"]
[Round "?"]
[White "NeckerC"]
[Black "ricardobianchin"]
[TimeControl "900"]
[Result "0-1"]
[ECO " "]
[WhiteELO "1263"]
[BlackELO "1143"]
{Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 500 seconds per move.
White Black
Book Move 3 2
Leave
Book 0 1
CMX Agrees 10 16
CMX Disagrees 21 15
Agreement Pct. 32% 52%
Total Error 53.25 46.66
Relevant
Error 39.78 32.18
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.Nc3
{A00 Dunst Opening (transposed).}
2...Nf6
{A00 Dunst Opening (transposed).}
3.e3
{A00 Dunst Opening.}
3...Nc6
{Out of Opening Book. Bg4 would have been in the Dunst Opening book opening.
§ž¯³¹¨
ƒŸƒƒŸƒŸ
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–ÿ•
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}
4.Bb5
{Pins Black's knight at c6 and clears the way for a kingside castle.}
4...e5 5.Nxe5
{ White wins a pawn. White is up a pawn.}
5...Qe7
{Leads to 6.Nxc6 Qc5 7.d4 Qb6 8.Ne5+ c6 9.Bd3 Bd6 10.O-O O-O 11.Qf3 Be6 12.b3 Qc7 13.Bb2 Bxe5 14.dxe5 Qxe5 15.Rad1,
which wins a knight and a pawn for a bishop and a knight. Better is Qd6, leading to 6.d4 Be7 7.O-O O-O 8.Nxc6 bxc6 9.Be2 Bf5
10.a3 Rab8 11.b3 c5 12.dxc5 Qxc5 13.Bb2, which wins a knight and a pawn for a knight and a pawn.}
6.d4
{Leads to 6...a6 7.Bxc6+ bxc6 8.O-O Qe6 9.Re1 Bb7 10.Nd3 Bd6 11.e4 dxe4 12.Bg5 O-O 13.Bxf6 Qxf6 14.Rxe4, which wins two
knights and a pawn for two bishops and a pawn. Better is Nxc6, leading to 6...Qc5 7.d4 Qb6 8.Ne5+ c6 9.Bd3 Bd6 10.O-O O-O 11.Qf3
Be6 12.b3 Qc7 13.Bb2 Bxe5 14.dxe5 Qxe5 15.Rad1, which wins a bishop and a knight for a knight and a pawn.}
6...a6
{Threatens White's bishop at b5.}
7.Ba4
{Moves it to safety.}
7...Bd7
{Frees the pin on Black's knight at c6 and clears the way for a queenside castle.}
8.Qd3
{Slightly better is Nxc6.}
8...Qb4
{Leads to 9.Nxd7 Kxd7 10.O-O g6 11.Bb3 Qd6 12.Re1 Re8 13.e4 dxe4 14.Nxe4 Nxe4 15.Rxe4 Rxe4 16.Qxe4 Qxd4, which wins a
rook, two knights, and two pawns for a rook, a bishop, a knight, and a pawn. Better is Nxe5, leading to 9.dxe5 Qxe5 10.Bxd7+
Kxd7 11.Bd2 Bd6 12.O-O-O Rae8 13.Kb1 Kc8 14.f3 Kb8 15.Bc1 c6 16.e4 Bb4 17.Bd2, which wins a bishop, a knight, and a pawn for a
bishop and a knight.}
9.Bd2
{Slightly better is Nxd7.}
9...Bd6
{Leads to 10.Nxd7 Nxd7 11.Bb3 Ne7 12.Nxd5 Qb5 13.c4 Qc6 14.e4 O-O 15.O-O Rfe8 16.Rae1 Nxd5 17.exd5, which wins two
knights for a bishop, a knight, and a pawn. Better is Nxe5, leading to 10.dxe5 Bxa4 11.exf6 Qxb2 12.O-O Bxc2 13.Qxd5 Qb6 14.Rac1
Bg6 15.Rfd1 Rd8 16.Qe5+ Qe6 17.Qxc7 Qd7, which wins a bishop, a knight, and two pawns for two knights and two pawns.}
10.b3
{Leads to 10...Nxe5 11.dxe5 Bxe5 12.Nxd5 Qd6 13.Nxf6+ Bxf6 14.Qe4+ Qe5 15.Bxd7+ Kxd7 16.Qxe5 Bxe5 17.O-O-O Rhe8 18.Rhe1
Kc6 19.f4 Bd6 20.e4 Bc5, which wins a queen, a bishop, two knights, and a pawn for a queen, a bishop, two knights, and a pawn.
Better is Nxd7, leading to 10...Nxd7 11.Bb3 Ne7 12.Nxd5 Qb5 13.c4 Qc6 14.e4 O-O 15.O-O Rfe8 16.Rae1 Nxd5 17.exd5, which wins a
bishop, a knight, and a pawn for two knights.}
10...Nxe5
{Attacks White's queen.}
11.Nxd5
{Ouch! Pins own bishop at d2. Leads to 11...Nxd3+ 12.cxd3 Qa3 13.Bc1 Nxd5 14.Bxa3 Bxa3 15.Bxd7+ Kxd7 16.Kf1 Rad8 17.h4
Rhe8 18.Rh3 Kc8 19.Rg3 g6 20.Re1 f5, which wins a queen, a bishop, a knight, and a pawn for a queen, two bishops, and a knight.
Much better is dxe5, leading to 11...Bxe5 12.Nxd5 Qd6 13.Nxf6+ Bxf6 14.Bxd7+ Kxd7 15.Rc1 Qxd3 16.cxd3 Rhc8 17.O-O c5 18.b4 cxb4
19.Bxb4 Be7 20.Bc3 Ba3, which wins a queen, a bishop, two knights, and two pawns for a queen, a bishop, a knight, and two pawns.
}
11...Qa3
{Uh-oh! Frees White's bishop at d2 from the pin. Leads to 12.dxe5 Bxa4 13.exf6 O-O-O 14.bxa4 gxf6 15.Bc3 Be5 16.Qf5+
Kb8 17.Bxe5 fxe5 18.Qxe5 Qc5 19.O-O-O Rhe8 20.Qf5 Qa3+ 21.Kb1, which wins two bishops and a pawn for two bishops, two knights,
and a pawn. Much better is Nxd3+, leading to 12.cxd3 Qa3 13.Bc1 Nxd5 14.Bxa3 Bxa3 15.Bxd7+ Kxd7 16.Kf1 Rad8 17.h4 Rhe8 18.Rh3
Kc8 19.Rg3 g6 20.Re1 f5, which wins a queen, two bishops, and a knight for a queen, a bishop, and a knight. This mistake led to
a lost game for black. However, white let black back into the game and later
resigned.
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12.dxe5
{Removes the threat on White's knight and White's queen and forks Black's bishop at d6 and Black's knight at f6.}
12...Qb2
{Leads to 13.Bc3 Qxc3+ 14.Nxc3 Bxe5 15.Bxd7+ Nxd7 16.f4 Bf6 17.Qe4+ Kf8 18.O-O-O Nc5 19.Qf5 b6 20.Nd5 Bd8 21.Qe5 Rc8,
which wins two bishops and a pawn for a queen and a bishop. Better is Bxa4, leading to 13.exf6 O-O-O 14.bxa4 gxf6 15.Bc3 Be5
16.Bxe5 Qxd3 17.Ne7+ Kd7 18.cxd3 fxe5 19.Nd5, which wins a queen, two bishops, and a pawn for a queen, two bishops, and a
knight.}
13.Nxc7+
{Ouch! Frees the pin on Black's bishop at d7. Leads to 13...Bxc7 14.exf6 O-O 15.Bc3 Ba5 16.O-O Qxc3 17.Bxd7 Qxf6
18.Rad1 Rfd8 19.a3 b5 20.c4 Ra7, which wins a bishop, a knight, and a pawn for a bishop, a knight, and a pawn. Much better is
Bc3, leading to 13...Qxc3+ 14.Nxc3 Bxe5 15.Bxd7+ Nxd7 16.f4 Bf6 17.Qe4+ Kf8 18.O-O-O Nc5 19.Qf5 b6 20.Nd5 Bd8 21.Qe5 Rc8, which
wins a queen and a bishop for two bishops and a pawn.}
13...Bxc7
{Removes the threat on Black's rook at a8 and Black's king and forks White's pawn at e5 and White's rook at a1. Black
wins two knights for a knight and two pawns. Material is even.}
14.O-O
{Leads to 14...Qxe5 15.Bxd7+ Nxd7 16.f4 Qe6 17.Bc3 O-O 18.Bxg7 Kxg7 19.Qc3+ Nf6 20.Qxc7 Qxe3+ 21.Kh1 Ne4 22.Rf3 Qe2
23.Qxb7 Qxc2, which wins two bishops and two pawns for two bishops and three pawns. Better is exf6, leading to 14...O-O 15.Bc3
Ba5 16.O-O Qxc3 17.Bxd7 Qxf6 18.Rad1 Rad8 19.Qe4 b5 20.a4 bxa4 21.Qxa4, which wins a bishop, a knight, and a pawn for a bishop
and two pawns.}
14...Ng4
{Look out. Leads to 15.Qxd7+ Kf8 16.f4 Qa3 17.b4 Nh6 18.Bb3 a5 19.Qxc7 axb4 20.Rad1 g6 21.Qxb7 Qa6 22.Bxb4+ Kg7, which
wins a pawn for two bishops and two pawns. Much better is Qxe5, leading to 15.Bxd7+ Nxd7 16.f4 Qe6 17.Bc3 O-O 18.Bxg7 Kxg7
19.Qc3+ Nf6 20.Qxc7 Qxe3+ 21.Kh1 Ne4 22.Rf3 Qe2 23.Qxb7 Qxc2, which wins two bishops and three pawns for two bishops and two
pawns.}
15.a3
{Look out. Leads to 15...Bxa4 16.Bc3 Bb5 17.Bxb2 Bxd3 18.cxd3 Bxe5 19.Bxe5 Nxe5 20.d4 Ng6 21.f4 Rc8 22.f5 Ne7 23.e4 Rc2
24.Rad1, which wins a queen and two bishops for a queen, two bishops, and a pawn. Much better is Qxd7+, leading to 15...Kf8
16.f4 Qa3 17.b4 Nh6 18.Bb3 a5 19.Qxc7 axb4 20.Rad1 g6 21.Qxb7 Qa6 22.Bxb4+ Kg7, which wins two bishops and two pawns for a pawn.
White had a won game, but gave it away with this blooper. White later
resigned.
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15...Nxe5
{Leads to 16.Bxd7+ Kd8 17.Qd5 Nxd7 18.Qxb7 Rb8 19.Qxa6 Qxc2 20.Ba5 Qxb3 21.Bxc7+ Kxc7 22.Rfd1 Rb7 23.Rac1+ Kb8
24.Qd6+ Ka8 25.Rd2, which wins two bishops and three pawns for two bishops and two pawns. Better is Bxa4, leading to 16.Bc3 Bb5
17.Bxb2 Bxd3 18.cxd3 Bxe5 19.Bxe5 Nxe5 20.d4 Ng6 21.f4 Rc8 22.f5 Ne7 23.e4 Rc2 24.Rad1, which wins a queen, two bishops, and a
pawn for a queen and two bishops.}
16.Qe4
{Slightly better is Bxd7+.}
16...O-O
{Leads to 17.Rfb1 Qxb1+ 18.Rxb1 b5 19.Bc3 Nc6 20.Qd5 Be8 21.Bxb5 axb5 22.Bb4 Rd8 23.Qxb5 Nxb4 24.Qxb4 Bc6 25.c4, which
wins a rook and two bishops for a queen, a knight, and two pawns. Better is O-O-O, leading to 17.Rfb1 f5 18.Bxd7+ Nxd7 19.Qxf5
Qe5 20.Qxe5 Bxe5 21.Ra2 Rhe8 22.Bb4 Bc7 23.c4 a5 24.Bc3, which wins a queen and a bishop for a queen, a bishop, and a pawn.}
17.Bc3
{Ouch! Hangs the bishop at c3. Leads to 17...Qxc3 18.Bxd7 Nxd7 19.Qxb7 Nf6 20.a4 Rfe8 21.Rad1 Be5 22.Rc1 Bd6 23.Rcd1 Ba3
24.Rd4 Qxc2 25.Rc4 Qd3, which wins a bishop and a pawn for two bishops and a pawn. Much better is Rfb1, leading to 17...Qxb1+
18.Rxb1 b5 19.Bc3 Nc6 20.Qd5 Be8 21.Bxb5 axb5 22.Bb4 Rd8 23.Qxb5 Nxb4 24.Qxb4 Bc6 25.c4, which wins a queen, a knight, and two
pawns for a rook and two bishops.}
17...Qxc3
{Blocks White's pawn at c2. Black wins a bishop.}
18.Rac1
{Leads to 18...b5 19.Qd4 Qc6 20.f4 Bb6 21.Qxe5 Rfe8 22.Qh5 Bxe3+ 23.Kh1 Bxc1 24.Rxc1 bxa4 25.Rd1 axb3 26.cxb3 Re3 27.b4
Rxa3, which wins a bishop, a knight, and a pawn for a rook, a bishop, and three pawns. Better is Bxd7, leading to 18...Nxd7
19.Qxb7 Nf6 20.a4 Rfe8 21.Rad1 Be5 22.Rc1 Bd6 23.Rcd1 Ba3 24.Rd4 Qxc2 25.Rc4 Qd3, which wins a bishop and a pawn for a bishop
and a pawn.}
18...b5
{Moves it out of harm's way and threatens White's bishop.}
19.Qb4
{Slightly better is Qd4.}
19...Qxb4
{Traps White's bishop, attacks White's pawn at a3, and blocks White's pawn at b3.}
20.axb4 bxa4 21.bxa4 Bxa4
{ Black wins a queen, a bishop, and a pawn for a queen and a pawn.}
22.f4
{Leads to 22...Nc4 23.e4 Bb6+ 24.Kh1 Be3 25.Ra1 Bxc2 26.e5 Rfb8 27.f5 Nxe5 28.f6 Bd3 29.Rfe1 Bd4 30.Ra5 Rxb4 31.fxg7
Kxg7, which wins a pawn for four pawns. Better is Ra1, leading to 22...Bb5 23.Rfd1 Rad8 24.Re1 Rd2 25.Rac1 Bd6 26.f4 Nc4 27.c3
Re8 28.Red1 Re2 29.Rb1 R8xe3, which loses a pawn.}
22...Bb5
{Leads to 23.fxe5 Bxf1 24.Kxf1 Rfb8 25.c3 Bxe5 26.Ke2 Rc8 27.c4 Rab8 28.c5 Rxb4 29.h3 Rc6 30.Rd1 Bf6 31.Rc1, which
wins a rook and two pawns for a bishop and a knight. Better is Nc4, leading to 23.e4 Bb6+ 24.Kh1 Be3 25.Ra1 Bxc2 26.e5 Rfb8
27.f5 Nxe5 28.f6 Bd3 29.Rfe1 Bd4 30.Ra5 Rxb4 31.fxg7 Kxg7, which wins four pawns for a pawn.}
23.Rfd1
{Leads to 23...Nc4 24.Rd4 Bb6 25.Kh1 Bxd4 26.exd4 Rae8 27.c3 Bc6 28.Rg1 Re2 29.h4 Ne3 30.Ra1 Bxg2+ 31.Kg1 Bb7 32.Ra5,
which wins a bishop for a rook and a pawn. Better is fxe5, leading to 23...Bxf1 24.Kxf1 Rfb8 25.c3 Bxe5 26.Ke2 Rc8 27.c4 Rab8
28.c5 Rxb4 29.h3 Rc6 30.Rd1 Bf6 31.Rc1, which wins a bishop and a knight for a rook and two pawns.}
23...Nc6
{Leads to 24.c4 Ba4 25.Rd7 Bb6 26.c5 Ba7 27.Rc3 Rfd8 28.Rxd8+ Rxd8 29.Ra3 Bb5 30.Rb3 Rd3 31.Rb2 Rxe3 32.Kf2 Rd3, which
wins a rook and a pawn for a rook. Better is Nc4, leading to 24.Rd4 Bb6 25.Kh1 Bxd4 26.exd4 Rae8 27.c3 Bc6 28.Rg1 Re2 29.h4 Ne3
30.Ra1 Bxg2+ 31.Kg1 Bb7 32.Ra5, which wins a rook and a pawn for a bishop.}
24.Rd7
{Leads to 24...Bb6 25.Kh1 Bxe3 26.Re1 Nxb4 27.Re7 Bd2 28.c4 Bxc4 29.Ra1 Nc2 30.Rd1 Bxf4 31.g3 Ne3 32.Rdd7, which loses
four pawns. Better is c4, leading to 24...Ba4 25.Rd7 Bb6 26.c5 Ba7 27.Rc3 Rfd8 28.Rxd8+ Rxd8 29.Ra3 Bb5 30.Rb3 Rd3 31.Rb2 Rxe3
32.Kf2 Rd3, which wins a rook for a rook and a pawn.}
24...Bb6
{Moves it to safety, pins White's pawn at e3, and threatens White's pawn at e3.}
25.Kf2
{Removes the threat on White's pawn at e3.}
25...Rad8
{Leads to 26.Rxd8 Rxd8 27.c4 Nxb4 28.cxb5 Nd3+ 29.Kf3 Nxc1 30.bxa6 Rd3 31.Ke4 Ba7 32.Ke5 Rxe3+ 33.Kd5 Re6 34.f5 Rxa6
35.Ke4, which wins two rooks and three pawns for a rook, a bishop, and a pawn. Better is Rfe8, leading to 26.Re1 Nxb4 27.Rb7 Bc5
28.Kg3 Nxc2 29.Rc1 Rxe3+ 30.Kh4 Ne1 31.Rxc5 Nxg2+ 32.Kg4 h5+ 33.Rxh5 Be2+ 34.Kg5 f6+ 35.Kf5 Bxh5, which wins a rook and four
pawns for a bishop and a pawn.}
26.Rb7
{Leads to 26...Rd2+ 27.Kf3 Be2+ 28.Kg3 Bxe3 29.Re1 Nd4 30.c3 Rd3 31.Rxe2 Nxe2+ 32.Kf3 Nxc3 33.g3 Bd4+ 34.Kg4 Nd5 35.b5
a5, which wins a bishop for a rook and two pawns. Better is Rxd8, leading to 26...Rxd8 27.c4 Nxb4 28.cxb5 Nd3+ 29.Kf3 Nxc1
30.bxa6 Rd3 31.Ke4 Ba7 32.Ke5 Rxe3+ 33.Kd5 Re6 34.f5 Rxa6 35.Ke4, which wins a rook, a bishop, and a pawn for two rooks and
three pawns.}
26...Rb8
{Leads to 27.Rxb8 Rxb8 28.c4 Nxb4 29.cxb5 Nd3+ 30.Kf3 Nxc1 31.bxa6 Ra8 32.f5 Rxa6 33.f6 Ra3 34.fxg7 Rxe3+ 35.Kg4 Nd3
36.Kf5 Kxg7, which wins two rooks and four pawns for a rook, a bishop, and two pawns. Better is Rd2+, leading to 27.Kf3 Be2+
28.Kg3 Bxe3 29.Re1 Nd4 30.c3 Rd3 31.Rxe2 Nxe2+ 32.Kf3 Nxc3 33.g3 Bd4+ 34.Kg4 Nd5 35.b5 a5, which wins a rook and two pawns for a
bishop.}
27.Rxb8
{Attacks Black's bishop at b6.}
27...Nxb8
{Protects Black's bishop at b6. Black wins a rook for a rook, which speeds the game to the endgame with Black ahead
on material.}
28.c4
{Attacks Black's bishop at b5 and pushes the passed pawn.}
28...Ba4
{Slightly better is Rc8.}
29.c5
{Slightly better is Ra1.}
29...Bc7
{Moves it to safety.}
30.c6
{Slightly better is Ra1.}
30...Nxc6
{Attacks White's pawn at b4 and isolates White's pawn at b4. Black wins a pawn.}
31.f5
{Slightly better is Ra1.}
31...Re8 32.Rd1
{White moves into a forced mate. Much better is Rc3. Rd1 leads to 32...Bxd1 33.g4 Nxb4 34.Ke1 Bxg4 35.Kd2 Be5
36.Ke1 Rd8 37.Kf2 Rd2+ 38.Ke1 Rd1+ 39.Kf2 Nd3+ 40.Kg2 Rd2+ 41.Kf1 Bh3+ 42.Kg1 Rd1# and checkmate.}
32...Nxb4
{Black doesn't see the win. Much better is Bxd1, leading to 33.g4 Nxb4 34.Ke1 Bxg4 35.Kd2 Be5 36.Ke1 Rd8 37.Kf2 Rd2+
38.Ke1 Rd1+ 39.Kf2 Nd3+ 40.Kg2 Rd2+ 41.Kf1 Bh3+ 42.Kg1 Rd1# and mate.}
33.Rd7
{White steps into the forced mate. Much better is Ra1. Rd7 leads to 33...Bxd7 34.Ke2 Bb6 35.e4 Rxe4+ 36.Kd2 Bb5 37.Kc3
Nd5+ 38.Kb3 Bc4+ 39.Kb2 Re2+ 40.Kc1 Nc3 41.g4 Be3# and checkmate.}
33...Bb6
{Black misses the forced mate. Much better is Bxd7, leading to 34.Ke2 Bb6 35.e4 Rxe4+ 36.Kd2 Bb5 37.Kc3 Nd5+ 38.Kb3
Bc4+ 39.Kb2 Re2+ 40.Kc1 Nc3 41.g4 Be3# and checkmate.}
34.g4
{ White resigns.
§³
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