Author: Roy Brunjes
Date: 18:55:58 09/19/02
Go up one level in this thread
On September 19, 2002 at 19:50:09, pavel wrote:
>
>
>
>[D]2qr4/1p1Q2pk/p3Pp1p/P1b5/5B2/7P/6P1/1R5K w - - 0 32
>
>This position came from a game played on ICS between Yace and GambitTiger.
>(Codonics == gambittiger)
>
>
>[Event "Computer chess game 0 3600 +0 0 0"]
>[Site "?"]
>[Date "2002.09.18"]
>[Round "33"]
>[White "Yace 0.99.56"]
>[Black "codonics"]
>[Result "0-1"]
>[ECO "B85"]
>[Opening "Sicilian"]
>[Variation "Scheveningen (Paulsen), Classical variation"]
>[Timecontrol "0 3600 +0 0 0"]
>[Time "Wed Sep 18 11:27:47 2002"]
>[last_book_move "19. Re1"]
>
>1.e4 {0s} 1...c5 {4s} 2.Nf3 {0s} 2...d6 {1s} 3.d4 {0s} 3...cxd4 {1s} 4.
>Nxd4 {0s} 4...Nf6 {4s} 5.Nc3 {0s} 5...a6 {1s} 6.Be2 {0s} 6...e6 {1s} 7.O-O
>{0s} 7...Be7 {1s} 8.f4 {0s} 8...O-O {1s} 9.Kh1 {0s} 9...Qc7 {1s} 10.a4 {0s
>} 10...Nc6 {1s} 11.Be3 {0s} 11...Re8 {1s} 12.Bd3 {0s} 12...Nb4 {1s} 13.a5
>{0s} 13...Bd7 {1s} 14.Nf3 {0s} 14...Rac8 {1s} 15.Bb6 {0s} 15...Qb8 {1s}
>16.e5 {0s} 16...dxe5 {0s} 17.fxe5 {0s} 17...Nfd5 {0s} 18.Nxd5 {0s} 18...
>exd5 {1s} 19.Re1 {0s} 19...Nxd3 {62s} 20.Qxd3 {-0.13/12 162s} 20...Bb5 {
>69s} 21.Qxd5 {-0.02/12 118s} 21...Rxc2 {14s} 22.e6 {-0.10/11 74s} 22...f6
>{62s} 23.Nd4 {-0.15/10 74s} 23...Rxb2 {64s} 24.Nxb5 {0.01/10 47s} 24...
>Rxb5 {79s} 25.Qd7 {0.42/11 30s} 25...Rh5 {0s} 26.Bc7 {0.42/11 65s} 26...
>Qc8 {97s} 27.Rac1 {0.56/11 8s} 27...Rc5 {56s} 28.Rxc5 {0.54/12 50s} 28...
>Bxc5 {69s} 29.Rb1 {0.49/12 34s} 29...h6 {0s} 30.h3 {0.53/11 103s} 30...Kh7
>{0s} 31.Bf4 {0.46/11 99s} 31...Rd8 {80s} 32.Qxc8 {0.32/11 16s} 32...Rxc8 {
>70s} 33.Rxb7 {-0.67/15 112s} 33...Rc6 {191s} 34.Rc7 {-0.72/15 0s} 34...
>Rxc7 {9s} 35.Bxc7 {-0.99/17 39s} 35...Kg8 {27s} 36.Bb6 {-1.18/17 46s}
>36...Bd6 {0s} 37.Bd8 {-1.30/17 83s} 37...Kf8 {61s} 38.Kg1 {-1.40/17 24s}
>38...Ke8 {37s} 39.Bb6 {-1.38/17 47s} 39...Ke7 {21s} 40.Kf2 {-1.41/17 46s}
>40...Kxe6 {111s} 41.Ke3 {-1.61/16 0s} 41...Kd5 {59s} 42.Kd3 {-1.59/16 23s}
>42...h5 {0s} 43.Bd8 {-1.98/16 80s} 43...Bb4 {3s} 44.Bc7 {-2.26/16 75s}
>44...h4 {0s} 45.Bb6 {-2.06/17 42s} 45...Bc5 {12s} 46.Bc7 {-2.25/18 59s}
>46...Kc6 {28s} 47.Bf4 {-2.31/17 19s} 47...Bb4 {69s} 48.Be3 {-2.36/17 1s}
>48...Bxa5 {48s} 49.Ke4 {-2.49/16 23s} 49...Bb6 {0s} 50.Bd2 {-2.61/17 63s}
>50...a5 {1s} 51.Kd3 {-2.78/16 67s} 51...Kb5 {0s} 52.Kc2 {-2.87/16 62s}
>52...a4 {51s} 53.Be1 {-3.05/16 13s} 53...Bd4 {54s} 54.Kb1 {-4.50/18 25s}
>54...Kc4 {20s} 55.Ka2 {-4.68/17 42s} 55...Kd3 {4s} 56.Bxh4 {-5.00/17 70s}
>56...Ke2 {40s} 57.g4 {-5.16/17 17s} 57...Bf2 {43s} 58.Bxf6 {-5.36/17 14s}
>58...gxf6 {16s} 59.Ka3 {-5.56/18 17s} 59...Bh4 {0s} 60.Kxa4 {-5.46/18 46s}
>60...Kf3 {1s} 61.Kb3 {-5.65/17 29s} 61...Kg3 {1s} 62.Kc2 {-17.67/19 96s}
>62...Kxh3 {3s} 63.Kd3 {-17.93/19 28s} 63...Kxg4 {2s} 64.Ke2 {-M12/20 122s}
>64...f5 {0s} 65.Kd3 {-M10/19 38s} 0-1
>==============
>
>Yace lost this game.
>IMO the blunder was move 32.Qxc8 after analyzing the game with Yace later I
>couldn't reproduce the blunder by Yace, it now chooses 32.Qa4 which IMO seems to
>be the best move.
>
>but several other programs seems to prefer Qxc8.
>
>Question:
>How long does it take your program to choose 32.Qa4 ) ?
>
>
>cheers,
>pavs
>
>=======================
>
>Yace 0.99.56 - codonics
>2qr4/1p1Q2pk/p3Pp1p/P1b5/5B2/7P/6P1/1R5K w - - 0 1
>
>Analysis by Chess Tiger 14.0:
>
>32.Qxc8 Rxc8 33.Rxb7 Rc6 34.Rc7 Rxc7 35.Bxc7 Be7 36.Bb6 Bd6 37.g4
> ² (0.52) Depth: 9 00:00:00 150kN
>32.Qxc8 Rxc8 33.Rxb7 Re8 34.Rc7 Bb4 35.Rc6 Bxa5 36.Rxa6 Bb4 37.Be3
> ² (0.48) Depth: 10 00:00:00 243kN
>32.Qxc8 Rxc8 33.Rxb7 Rc6 34.Rc7 Rxc7 35.Bxc7 h5 36.Bd8 Kg8 37.Bb6 Bd6 38.Kg1
> ² (0.54) Depth: 11 00:00:02 1018kN
>32.Qxc8 Rxc8 33.Rxb7 Rc6 34.Rc7 Rxc7 35.Bxc7 h5 36.Bd8 Kg8 37.Bb6 Bd6 38.Kg1 h4
> ² (0.50) Depth: 12 00:00:05 1805kN
>32.Qxc8 Rxc8 33.Rxb7 Rc6 34.Rc7 Rxc7 35.Bxc7 Kg8 36.Bb6 Bd6 37.g4 Kf8 38.Bd8 Bc5
>39.Kg2
> ² (0.50) Depth: 13 00:00:10 3826kN
>32.Qxc8 Rxc8 33.Rxb7 Rc6 34.Rc7 Rxc7 35.Bxc7 Kg8 36.Bb6 Bd6 37.Bd8 Kf8 38.g3
>Bxg3 39.e7+ Kf7 40.Kg2
> = (0.10) Depth: 14 00:00:20 7414kN
>32.Qa4 Qc6 33.Qxc6 bxc6 34.Rc1 Bf2 35.e7 Re8 36.Bd6 c5 37.Rb1 Kg8 38.Rb6 Bd4
>39.Rxa6 c4
> ± (0.76) Depth: 14 00:03:32 68364kN
>
>(Mahamood / PIII- 1Ghz, home 19.09.2002)
>
>takes CT 3 mins to find it.
Hiarcs 8 (P4 1.6 Ghz) 128 MB hash tables shows the following:
New game
2qr4/1p1Q2pk/p3Pp1p/P1b5/5B2/7P/6P1/1R5K w - - 0 1
Analysis by Hiarcs 8:
1.Qxc8 Rxc8 2.Rxb7
± (1.02) Depth: 1 00:00:00
1.Qxc8 Rxc8 2.Rxb7
± (1.02) Depth: 2/7 00:00:00
1.Qxc8 Rxc8
² (0.59) Depth: 3/8 00:00:00
1.Qxc8 Rxc8 2.Rxb7 Re8 3.Rc7
² (0.55) Depth: 3/8 00:00:00
1.Qxc8 Rxc8 2.Rxb7 Re8 3.Rc7
² (0.55) Depth: 4/10 00:00:00
1.Qxc8 Rxc8 2.Rxb7 Rc6 3.Rc7 Rxc7 4.Bxc7
² (0.65) Depth: 5/14 00:00:00 6kN
1.Qxc8 Rxc8
² (0.40) Depth: 6/15 00:00:00 19kN
1.Qxc8 Rxc8 2.Rxb7 Re8 3.Rc7 Bb4
² (0.39) Depth: 6/15 00:00:00 22kN
1.Qxc8 Rxc8 2.Rxb7 Kg6 3.g4 Re8 4.Rc7 Bf8 5.Rf7
² (0.41) Depth: 7/18 00:00:00 55kN
1.Qxc8 Rxc8 2.Rxb7 Kg6 3.g4 Re8 4.Rc7 Bb4 5.Rc6 Ra8
= (0.21) Depth: 8/19 00:00:01 135kN
1.Qxc8 Rxc8 2.Rxb7 Kg6 3.Bh2 Kf5 4.g4+ Kxe6 5.Rxg7 Bb4 6.Bc7
= (0.22) Depth: 9/26 00:00:02 323kN
1.Qxc8 Rxc8 2.Rxb7 Kg6 3.Rd7 Rc6 4.e7 Re6 5.Bd6 Bxd6 6.Rxd6 Re1+ 7.Kh2 Rxe7
8.Rxa6
² (0.30) Depth: 10/29 00:00:06 904kN
1.Qa4 Kh8
² (0.47) Depth: 10/30 00:00:40 4733kN
1.Qa4 Rd4 2.Qc2+ Kh8 3.Be3 Qxe6 4.Bxd4 Bxd4 5.Qd1 Qd6 6.Rxb7
² (0.50) Depth: 10/32 00:00:56 6349kN
1.Qa4 Rd4
± (0.75) Depth: 11/34 00:01:57 13222kN
1.Qa4 Qc6
± (0.75) Depth: 11/34 00:02:11 14667kN
(Brunjes, Mytown 19.09.2002)
Roy
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