Author: bobby palacios
Date: 17:01:07 02/21/03
Go up one level in this thread
On February 21, 2003 at 17:32:33, K. Burcham wrote:
>
>
>Good game to analyse with program. Black got off to bad start with moving pawns
>out early. white closes in for king attack. several good positions in this game.
>black makes several bad moves.
>
>20.Nxd5
> [D] 2kr3r/1q2bpp1/p4np1/1p1p4/2nP1B2/1QNB1PP1/PP5P/1KR4R w - - 0 20
>
>21.Rxc4
> [D] 2kr3r/4bpp1/p4np1/1p1q4/2nP1B2/1Q1B1PP1/PP5P/1KR4R w - - 0 21
>
>
>[Event "Hrokurinn Chess Festival"]
>[Site "Reykjavik Art Museum"]
>[Date "2003.02.19"]
>[Round "2"]
>[White "Korchnoi, Viktor"]
>[Black "Gretarsson, Helgi Ass"]
>[Result "1-0"]
>[WhiteElo "2642"]
>[BlackElo "2516"]
>[Opening "QGD Slav: 4.e3 Bf5"]
>[ECO "D12"]
>[NIC "SL.01"]
>
>1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3
>Qc7 9. Bd2 Nbd7 10. cxd5 exd5 11. O-O-O
[D]r3kb1r/ppqn1ppp/2p2nb1/3p4/3P3N/1QN1PP2/PP1B2PP/2KR1B1R b kq - 0 1
11..b5, this seems like the first mistake according to Shredder, due to e4!
Shredder 7 prefers exchanging queens with 11..Qb6
Analysis by Shredder 7:
11...Qb6 12.Qxb6 Nxb6 13.e4 Bb4 14.Nxg6 fxg6 15.exd5
² (0.39) Depth: 13/24 00:00:06 1980kN
11...Qb6 12.Qxb6 Nxb6 13.Nxg6 hxg6 14.e4 Bb4 15.e5 Nfd7 16.Bd3 0-0-0 17.a3 Be7
18.Rde1 Kb8 19.Kb1
² (0.30) Depth: 14/31 00:00:44 14253kN
11...Qb6 12.Qxb6 Nxb6 13.e4 dxe4 14.Nxg6 hxg6 15.Nxe4 0-0-0 16.Ng5 Rd7 17.g3 Kc7
18.Bf4+ Bd6 19.Bxd6+ Kxd6 20.Bh3
² (0.29) Depth: 15/32 00:01:31 29245kN
11...Qb6 12.Qxb6 axb6 13.Re1 Bb4 14.a3 Bxc3 15.Bxc3 0-0 16.Nxg6 hxg6 17.Bd3 Rfe8
18.e4 Rf8 19.Kd2 g5
² (0.33) Depth: 16/36 00:03:35 67183kN
12. Nxg6 hxg6 13. e4 Nb6 14. Kb1
>a6 15. g3 Be7 16. Bf4 Qb7 17. Bd3
[d] r3k2r/1q2bpp1/pnp2np1/1p1p4/3PPB2/1QNB1PP1/PP5P/1K1R3R b kq - 0 1
17..O-O-O, castling right into an attack, although according to Shredder 7,
black was probably already losing at this point. It suggests 17..a5 starting a
queenside attack with its king in the middle, although I doubt this will work.
Analysis by Shredder 7:
17...0-0 18.e5 Nfd7 19.e6 g5 20.Bc1 fxe6 21.Rhe1 e5 22.dxe5 Rxf3
± (1.15) Depth: 11/23 00:00:05 1611kN
17...Nc4 18.e5 Nh5 19.Bc1 Na5 20.Qc2 b4 21.Ne4 dxe4
± (1.14) Depth: 11/29 00:00:15 4668kN
17...Nc4 18.Ne2 0-0 19.e5 Nh5 20.Bc1 c5 21.g4 Na5 22.Qc2 c4 23.gxh5
± (0.82) Depth: 11/36 00:00:22 6727kN
17...Nc4 18.Ne2 a5 19.e5 a4 20.Qc2 Nh5 21.e6 Bd8
± (0.96) Depth: 12/33 00:00:36 11255kN
17...Nc4 18.e5 Nh5 19.Bc1 Na5 20.Qc2 b4 21.Ne2 b3 22.axb3 Nxb3 23.g4 Nxc1
24.Qxc1 Rb8 25.gxh5 Bd8
± (1.21) Depth: 13/29 00:01:17 23782kN
17...Nc4 18.e5 Nh5 19.Bc1 Na5 20.Qc2 b4 21.Ne2 b3 22.axb3 Rc8 23.e6 fxe6
24.Bxg6+ Kd7 25.Rd3
+- (1.57) Depth: 13/34 00:01:29 27767kN
17...Nh5 18.Bc1 0-0 19.e5 a5 20.e6 a4 21.exf7+ Rxf7 22.Bxg6 axb3 23.Bh7+
+- (1.56) Depth: 13/34 00:01:38 30409kN
17...Nh5 18.Bc1 Nf6 19.e5 Nfd7 20.e6 0-0 21.exd7
+- (1.56) Depth: 13/34 00:01:53 34661kN
17...a5 18.e5 a4 19.Qc2 Nh5 20.e6 Nxf4 21.gxf4 fxe6 22.Bxg6+ Kd8 23.Rhe1 b4
24.Qf5 exf5
+- (1.55) Depth: 13/34 00:02:03 37602kN
17...a5 18.e5 a4 19.Qc2 Nh5 20.e6 Nxf4 21.gxf4 fxe6 22.Bxg6+ Kd8 23.Rhe1 b4
24.Nxa4 Nxa4
± (1.20) Depth: 13/34 00:02:18 42182kN
17...a5 18.e5 a4 19.Qc2 Nh5 20.Be3 b4 21.g4 bxc3 22.gxh5 gxh5 23.Qxc3 a3 24.Rhg1
± (1.06) Depth: 13/34 00:02:34 46855kN
17...a5 18.Qc2 a4 19.Ne2 Nfd7 20.e5 Nf8 21.h4 Nc4 22.Bg5 Bxg5 23.hxg5 Rxh1
24.Rxh1 0-0-0
± (1.04) Depth: 14/33 00:04:30 81254kN
18. Rc1 Nc4 19. exd5 cxd5 (black had to take with the knight if he wanted to
prolong the game) 20. Nxd5
[d] 2kr3r/1q2bpp1/p4np1/1p1p4/2nP1B2/1QNB1PP1/PP5P/1KR4R w - - 0 1
Analysis by Shredder 7:
20.Ne2 Bd6 21.Bxd6 Rxd6 22.Qb4 Rc6 23.Bxc4 bxc4 24.Qa3 Kb8 25.h4
± (0.82) Depth: 8/24 00:00:01 434kN
20.Ne2 Bd6 21.h4 Bxf4 22.Nxf4 Rhe8 23.Qb4 Re3 24.Bxc4 dxc4 25.Qc5+ Qc7
± (0.77) Depth: 9/24 00:00:03 916kN
20.Ne2 Bd6 21.Bxd6 Rxd6 22.Qb4 Rc6 23.Bxc4 bxc4 24.Qa3 Kb8 25.h4 Rb6 26.Rhe1
² (0.65) Depth: 10/27 00:00:07 2434kN
20.Qc2 Nh5 21.Bd2 Kb8 22.Rhe1 Rc8 23.Bxc4
² (0.66) Depth: 10/27 00:00:10 3301kN
20.Qc2 Nh5 21.Bd2 Kb8 22.Rhe1 Rc8 23.Bxc4
² (0.69) Depth: 10/27 00:00:11 3579kN
20.Ka1 Bd6 21.Bxd6 Rxd6 22.Qb4 Re6 23.b3 Ne3 24.Nxb5+ Rc6 25.Rxc6+ Qxc6
² (0.70) Depth: 10/27 00:00:14 4584kN
20.Ka1 Bd6 21.Bxd6 Rxd6 22.Qb4 Rc6 23.Bxc4 bxc4 24.Nxd5 Nxd5 25.Rxc4 Nxb4
² (0.70) Depth: 10/27 00:00:15 4794kN
20.Ka1 Bd6 21.Bxd6 Rxd6 22.Qb4 Rc6 23.Rce1 Qb6 24.h4 Qxd4 25.Bxc4 Qxc4 26.Qe7
² (0.68) Depth: 11/31 00:00:20 6404kN
20.Qc2 Nh5 21.Bd2 Kb8 22.Rhe1 Rc8 23.Bxc4 Rxc4 24.Qd3 Rxc3 25.bxc3
² (0.69) Depth: 11/31 00:00:22 7028kN
20.Qc2 Nh5 21.Bd2 Kb8 22.Rhe1 Rc8 23.Bxc4 Rxc4 24.Rxe7 Qxe7 25.Nxd5 Rxc2
² (0.69) Depth: 11/31 00:00:23 7493kN
20.Rc2 Bd6 21.Bxd6 Rxd6 22.Ne4 dxe4 23.Bxc4 bxc4 24.Rxc4+ Rc6 25.Rxc6+ Kd7
26.Qxb7+ Ke8
² (0.70) Depth: 11/32 00:00:30 9761kN
20.Rc2 Bd6 21.Bxd6 Rxd6 22.Ne4 dxe4 23.Bxc4 Kb8 24.Bxf7 exf3 25.Re1 Rxd4 26.Re8+
² (0.70) Depth: 11/32 00:00:31 10033kN
20.Nxd5 Qxd5 21.Bxc4 Qxd4
± (0.71) Depth: 11/32 00:00:36 11724kN
20.Nxd5 Qxd5 21.Bxc4 Qxd4 22.Bxf7+ Kd7 23.Bxg6 Qxb2+ 24.Kxb2 Rxh2+ 25.Rxh2 Bd6
26.Bxd6
± (1.06) Depth: 11/32 00:00:37 11923kN
20.Nxd5 Rxd5 21.Bxc4 bxc4 22.Rxc4+ Bc5 23.Qc3 Qc6 24.Rxc5 Rxc5 25.dxc5 Rh5
26.Qb3 Qb7 27.Qxb7+ Kd8 28.Qxa6
+- (2.93) Depth: 11/39 00:01:05 21648kN
>Qxd5 21. Rxc4+ bxc4 22. Bxc4 Qb7 23. Be6+ {White wins} 1-0
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