Author: Mike Byrne
Date: 11:23:02 03/13/04
Go up one level in this thread
On March 13, 2004 at 14:21:05, Mike Byrne wrote:
>This mate was the pretty finale of a game won by USSR Grandmaster Bronstein
>against a 1963 chess computer called EVM "M-20.
>
>This game may be the earliest recorded between a Grandmaster and a computer - if
>you know of a earlier , please post.
>
>[Event "Training"]
>[Site "Training"]
>[Date "1963.??.??"]
>[Round "?"]
>[White "Bronstein"]
>[Black "EVM M20"]
>[Result "1-0"]
>[ECO "C34"]
>[PlyCount "45"]
>[EventDate "1963.??.??"]
>[Source "www.ChessliB.no"]
>[SourceDate "2003.02.24"]
>
>1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Ng4 5. d4 g5 6. Nc3 Ne3 7. Qe2 Nxf1 8. Ne4
>Ne3 9. Nf6+ Ke7 10. Bd2 Nxc2+ 11. Kf2 Nxa1 12. Nd5+ Ke6 13. Qc4 b5 {
[d]rnbq1b1r/p1pp1p1p/4k3/1p1NP1p1/2QP1p2/5N2/PP1B1KPP/n6R w - -
}
>
>Bronstein announced the mate in 10 moves at this point during the game.
>
>}
>14. Nxg5+ Qxg5 15. Nxf4+ Ke7 16. Nd5+ Ke6 17. Nxc7+ Ke7 18. Nd5+ Ke8 19. Qxc8+
>Qd8 20. Nc7+ Ke7 21. Bb4+ d6 22. Bxd6+ Qxd6 23. Qe8# 1-0
>
>
>
>Crafty v19.11 SE [Kasparov] (2 cpus)
>SE code enabled
>
>White(1): rnbq1b1r/p1pp1p1p/4k3/1p1NP1p1/2QP1p2/5N2/PP1B1KPP/n6R/ w
>White(1): go
> clearing hash tables
> time surplus 0.00 time limit 16666:39 (16666:39)
> time surplus 0.00 time limit 16666:39 (16666:39)
> depth time score variation (1)
> 1 0.00 -5.40 1. Nxc7+ Ke7 2. Nxb5
> 1-> 0.01 -5.40 1. Nxc7+ Ke7 2. Nxb5
> 2 0.01 ++ 1. Nxc7+!!
> 2 0.01 -1.85 1. Nxc7+ Ke7 2. Bb4+ d6 3. Bxd6+ Kd7
> 4. Qxf7+
> 2-> 0.03 -1.85 1. Nxc7+ Ke7 2. Bb4+ d6 3. Bxd6+ Kd7
> 4. Qxf7+
> 3 0.03 ++ 1. Nxc7+!!
> 3 0.05 -0.20 1. Nxc7+ Kf5 2. Qxf7+ Ke4 3. Re1+ Kd3
> 4. Nxa8
> 3-> 0.06 -0.20 1. Nxc7+ Kf5 2. Qxf7+ Ke4 3. Re1+ Kd3
> 4. Nxa8
> 4 0.06 ++ 1. Nxc7+!!
> 4 0.08 0.81 1. Nxc7+ Ke7 2. Bb4+ d6 3. Bxd6+ Kd7
> 4. Qxf7+ Kc6 5. Qd5+ Kb6 6. Nxa8+
> 4-> 0.09 0.81 1. Nxc7+ Ke7 2. Bb4+ d6 3. Bxd6+ Kd7
> 4. Qxf7+ Kc6 5. Qd5+ Kb6 6. Nxa8+
> 5 0.09 ++ 1. Nxc7+!!
> 5 0.12 2.50 1. Nxc7+ Ke7 2. Bb4+ d6 3. Bxd6+ Qxd6
> 4. exd6+ Kd8 5. Nxb5 Be6
> 5 0.12 3.20 1. Nxg5+ Qxg5 2. Nxf4+ Ke7 3. Nd5+
> Ke8 4. Nxc7+ Kd8 5. Bxg5+ f6 6. Bxf6+
> 5-> 0.15 3.20 1. Nxg5+ Qxg5 2. Nxf4+ Ke7 3. Nd5+
> Ke8 4. Nxc7+ Kd8 5. Bxg5+ f6 6. Bxf6+
> (s=3)
> 6 0.15 ++ 1. Nxg5+!!
> 6 0.17 5.08 1. Nxg5+ Qxg5 2. Nxf4+ Ke7 3. Nd5+
> Ke8 4. Nxc7+ Kd8 5. Bxg5+ Be7 6. Bxe7+
> Kxe7 7. Qb4+ d6 8. Nxa8 (s=2)
> 6-> 0.30 5.08 1. Nxg5+ Qxg5 2. Nxf4+ Ke7 3. Nd5+
> Ke8 4. Nxc7+ Kd8 5. Bxg5+ Be7 6. Bxe7+
> Kxe7 7. Qb4+ d6 8. Nxa8 (s=5)
> 7 0.30 ++ 1. Nxg5+!!
> 7 0.34 8.40 1. Nxg5+ Qxg5 2. Nxc7+ Ke7 3. Nd5+
> Ke6 4. Nxf4+ Ke7 5. Nd5+ Ke8 6. Qxc8+
> Qd8 7. Nc7+ Ke7 8. Bg5+ f6 9. exf6+
> Kf7 10. Qxd8 (s=4)
> 7-> 0.70 8.40 1. Nxg5+ Qxg5 2. Nxc7+ Ke7 3. Nd5+
> Ke6 4. Nxf4+ Ke7 5. Nd5+ Ke8 6. Qxc8+
> Qd8 7. Nc7+ Ke7 8. Bg5+ f6 9. exf6+
> Kf7 10. Qxd8 (s=4)
> 8 0.72 ++ 1. Nxg5+!!
> 8 0.81 Mat10 1. Nxg5+ Qxg5 2. Nxc7+ Ke7 3. Nd5+
> Ke6 4. Nxf4+ Ke7 5. Nd5+ Ke8 6. Qxc8+
> Qd8 7. Nc7+ Ke7 8. Bb4+ d6 9. Bxd6+
> Qxd6 10. Qe8# (s=3)
> 8-> 2.05 Mat10 1. Nxg5+ Qxg5 2. Nxc7+ Ke7 3. Nd5+
> Ke6 4. Nxf4+ Ke7 5. Nd5+ Ke8 6. Qxc8+
> Qd8 7. Nc7+ Ke7 8. Bb4+ d6 9. Bxd6+
> Qxd6 10. Qe8# (s=3)
> time=2.05 cpu=174% mat=-10 n=2611786 fh=98% nps=1.27M
> ext-> chk=163679 cap=3383 pp=6053 1rep=11762 mate=199
> predicted=0 nodes=2611786 evals=9330 50move=0
> endgame tablebase-> probes=0 hits=0
> SMP-> split=251 stop=12 data=3/128 cpu=3.58 elap=2.05
>
>mate in 10 moves.
>
>
>White(1): Nxg5+
> time used: 2.05
>
>Pocket Chess Genius on Dell 590 Mhz(oc) 6 seconds to see mate.
>Pocket Fritz 2 "" "" 37 seconds to see mate
>Pocket Grandmaster Ruffian 1.0.4 26 seconds to see mate
>
>
>Psion 2.5.1, 1.7 Ghz. - did not see mate after 10 minutes
>PC Chess Genius 1, 1.7 Ghz P4, - 26 seconds to see mate
>PC Chess Genius 3, 1.7 Ghz P4, - 31 seconds
>Chess Genius 5, 1.7 Ghz P4 - 26 seconds to see mate
>Chess Genius Classic 7.1, 1.7 Ghz P4 - 23 seconds
>
>some old pc results
>
>http://membres.lycos.fr/albillo/ajedre2a.htm
>
>Fritz 8 took 36 seconds on machine and came up with a mate-in-11.
>
>Bronstein - EVM M20
>rnbq1b1r/p1pp1p1p/4k3/1p1NP1p1/2QP1p2/5N2/PP1B1KPP/n6R w - b6 0 1
>
>Analysis by Fritz 8:
>
>14.Nxg5+ Qxg5 15.Nxf4+ Ke7 16.Nd5+ Ke8 17.Nxc7+ Kd8 18.Bxg5+ Be7 19.Bxe7+ Kxe7
>20.Qc5+ Kd8 21.Nxa8 Na6 22.Qd6 Rg8 23.Rxa1 Bb7
> +- (8.31) Depth: 7/38 00:00:00 188kN
>14.Nxg5+ Qxg5 15.Nxf4+ Ke7 16.Nd5+ Ke8 17.Nxc7+ Kd8 18.Bxg5+ Be7 19.Bxe7+ Kxe7
>20.Qc5+ Kd8 21.Nxa8 Na6 22.Qd6 Rg8 23.Rxa1 Bb7
> +- (8.31) Depth: 8/20 00:00:00 291kN
>14.Nxg5+ Qxg5 15.Nxf4+ Ke7 16.Nd5+ Ke8 17.Nxc7+ Kd8 18.Bxg5+ Be7 19.Bxe7+ Kxe7
>20.Qc5+ Kd8 21.Nxa8 Na6 22.Qd6 Rg8 23.Rxa1 Bb7
> +- (8.31) Depth: 9/29 00:00:01 622kN
>14.Nxg5+ Qxg5 15.Nxf4+ Ke7 16.Nd5+ Ke8 17.Nxc7+ Kd8 18.Bxg5+ Be7 19.Bxe7+ Kxe7
>20.Qc5+ Kd8 21.Nxa8 Na6 22.Qd6 Rg8 23.Rxa1 Bb7
> +- (8.31) Depth: 10/33 00:00:03 1414kN
>14.Nxg5+!
> +- (8.63) Depth: 11/34 00:00:08 4467kN
>14.Nxg5+!
> +- (8.91) Depth: 11/34 00:00:08 4470kN
>14.Nxg5+!
> +- (9.53) Depth: 11/34 00:00:09 4477kN
>14.Nxg5+ Kf5 15.Qd3+
> +- (#11) Depth: 11/42 00:00:36 20358kN
>14.Nxg5+ Kf5 15.Qd3+
> +- (#11) Depth: 11/42 00:00:45 25149kN
>
>(Byrne, Secane, PA USA 13.03.2004)
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