Author: Uri Blass
Date: 04:54:55 03/13/03
Go up one level in this thread
On March 13, 2003 at 07:17:50, Cliff Sears wrote: >Event "Warsaw m"] >[Site "Warsaw"] >[Date "1844.??.??"] >[Round "?"] >[White "Hoffman, Fr Alexander"] >[Black "Petrov, Alexander"] >[Result "0-1"] >[ECO "C54"] >[PlyCount "46"] >[EventDate "1844.??.??"] >[Source "ChessBase"] >[SourceDate "1998.11.10"] > >1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. Bd5 Nxf2 8. >Kxf2 dxc3+ 9. Kg3 cxb2 10. Bxb2 Ne7 11. Ng5 Nxd5 12. Nxf7 O-O 13. Nxd8 Bf2+ 14. >Kh3 d6+ 15. e6 Nf4+ 16. Kg4 Nxe6 17. g3 Nd4+ 18. Ne6 Bxe6+ 19. Kh4 Nf5+ 20. Kh3 >Ne3+ 21. Kh4 Ng2+ 22. Kh5 g6+ 23. Kg5 Be3# 0-1 > >This was a curious game by Hoffmann and Petroff in 1844 (source is 500 Master >Games of Chess by Tartakower and J. Du Mont) > >Running 4 engines (Fritz 7, Shredder 5.32, Hiarcs 7.32. and Anaconda) on >infinite analysis for about 24 hours, only Shredder found Black to be clearly >ahead after move 12. (default settings) I do not believe that they cannot find that black wins even in 24 hours. I tried 2 engines only for some minutes: They have no problem to see that black is clearly ahead in less than a minute (more than 3 pawns advantage). Fritz8.0.0.8 New game r1bq1rk1/pppp1Npp/8/2bnP3/8/6K1/PB4PP/RN1Q3R w - - 0 1 Analysis by Fritz 8: 1.Nxd8 Bf2+ 2.Kh3 = (0.00) Depth: 6/34 00:00:00 146kN 1.Nxd8 Bf2+ 2.Kh3 = (0.00) Depth: 7/14 00:00:00 163kN 1.Nxd8 Bf2+ 2.Kh3 d6+ 3.e6 Nf4+ 4.Kg4 Nxe6 5.Nf7 Nd8+ 6.Kf4 Rxf7+ 7.Ke4 Bf5+ 8.Kd5 Be6+ 9.Ke4 Bf5+ = (0.00) Depth: 8/32 00:00:01 248kN 1.Nxd8 Bf2+ 2.Kh3 d6+ 3.e6 Nf4+ 4.Kg4 Nxe6 5.Nf7 Nd8+ 6.Kf4 Rxf7+ 7.Ke4 Bf5+ 8.Kd5 Be6+ 9.Ke4 Bf5+ = (0.00) Depth: 9/24 00:00:02 384kN 1.Nxd8-- ³ (-0.28) Depth: 10/30 00:00:03 787kN 1.Nxd8 Bf2+ 2.Kh3 Nf4+ 3.Kg4 d5+ 4.e6 Nxe6 5.g3 Nd4+ 6.Kg5 Nf3+ 7.Qxf3 Rxf3 8.Bc3 Be3+ µ (-1.00) Depth: 10/36 00:00:04 1054kN 1.Nxd8 Bf2+ 2.Kh3 Nf4+ 3.Kg4 d5+ 4.e6 Nxe6 5.g3 Nd4+ 6.Kh4 Nf5+ 7.Kg5 µ (-0.94) Depth: 11/34 00:00:08 2410kN 1.Nxd8-- µ (-1.22) Depth: 12/36 00:00:17 5594kN 1.Nxd8 Bf2+ 2.Kh3 d6+ 3.e6 Nf4+ 4.Kg4 Nxe6 5.Nf7 Rxf7 6.g3 Nd4+ 7.Kh4 Nf3+ 8.Qxf3 Rxf3 9.Nc3 Be6 -+ (-3.69) Depth: 12/40 00:00:33 11680kN 1.Nxd8-- -+ (-3.97) Depth: 13/36 00:01:25 31270kN 1.Nxd8 Bf2+ 2.Kh3 d6+ 3.e6 Nf4+ 4.Kg4 Nxe6 5.Nf7 Rxf7 6.g3 Nd4+ 7.Kg5 Rf5+ 8.Kh4 Rf4+ 9.Qg4 -+ (-12.69) Depth: 13/49 00:01:41 38070kN (Blass, Tel-Aviv 13.03.2003) Movei00_8 1 682 3 51 f7d8 2 596 3 193 f7d8 c5f2 g3h3 d5f4 h3g4 f4g2 2 596 3 517 f7d8 c5f2 g3h3 d5f4 h3g4 f4g2 3 519 4 1283 f7d8 c5f2 g3h3 d5f4 h3g4 d7d6 e5e6 f4e6 3 519 4 2579 f7d8 c5f2 g3h3 d5f4 h3g4 d7d6 e5e6 f4e6 4 488 5 4072 f7d8 c5f2 g3h3 d5f4 h3g4 d7d6 e5e6 c8e6 d8e6 f4e6 4 488 6 6566 f7d8 c5f2 g3h3 d5f4 h3g4 d7d6 e5e6 c8e6 d8e6 f4e6 5 423 11 15757 f7d8 c7c6 d1c2 d7d6 d8c6 b7c6 e5d6 c5d6 g3h4 5 423 15 21569 f7d8 c7c6 d1c2 d7d6 d8c6 b7c6 e5d6 c5d6 g3h4 6 423 23 38405 f7d8 c7c6 d1c2 d7d6 d8c6 b7c6 e5d6 c5d6 g3h4 6 423 29 50369 f7d8 c7c6 d1c2 d7d6 d8c6 b7c6 e5d6 c5d6 g3h4 7 184 69 133902 f7d8 c5f2 g3h3 d7d6 e5e6 d5f4 h3g4 f4e6 d8f7 e6c5 g4g5 c5e6 g5f 5 f8f7 f5e4 7 184 93 182235 f7d8 c5f2 g3h3 d7d6 e5e6 d5f4 h3g4 f4e6 d8f7 e6c5 g4g5 c5e6 g5f 5 f8f7 f5e4 8 149 134 274830 f7d8 c5f2 g3h3 d7d6 e5e6 d5f4 h3g4 f4e6 d8f7 f8f7 g2g3 c8d7 8 149 195 413867 f7d8 c5f2 g3h3 d7d6 e5e6 d5f4 h3g4 f4e6 d8f7 f8f7 g2g3 c8d7 9 -207 500 1115745 f7d8 c5f2 g3h3 d5f4 h3g4 d7d5 g4f3 f4g6 f3e2 c8g4 e2d2 g4d1 d8b7 d1g4 b1c3 9 -207 1340 2861983 f7d8 c5f2 g3h3 d5f4 h3g4 d7d5 g4f3 f4g6 f3e2 c8g4 e2d2 g4d1 d8b7 d1g4 b1c3 10 -157 1754 3918894 f7d8 c5f2 g3h3 d5f4 h3g4 d7d5 g4f3 f4g6 f3e2 c8g4 e2d2 g4d 1 d8e6 d1g4 e6f8 a8f8 b1c3 10 -157 2135 4739871 f7d8 c5f2 g3h3 d5f4 h3g4 d7d5 g4f3 f4g6 f3e2 c8g4 e2d2 g4d 1 d8e6 d1g4 e6f8 a8f8 b1c3 11 -455 5968 13305218 f7d8 c5f2 g3h3 d7d6 e5e6 d5f4 h3g4 f4e6 d8f7 f8f7 g2g3 e6 d4 g4h4 d4f3 d1f3 f7f3 b1d2 f3f4 h4g5 11 -455 21027 42683065 f7d8 c5f2 g3h3 d7d6 e5e6 d5f4 h3g4 f4e6 d8f7 f8f7 g2g3 e 6d4 g4h4 d4f3 d1f3 f7f3 b1d2 f3f4 h4g5 Uri
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