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Subject: Re: Bronstein vs "EVM M20" - mate in 10 (1963) (diagramed)

Author: Bas Hamstra

Date: 11:36:11 03/13/04

Go up one level in this thread


On March 13, 2004 at 14:23:02, Mike Byrne wrote:

>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)


Tao 5.6 (default settings) on XP 1600+ takes 2 seconds to anounce M10.

  6.02	 0:00 	+6.49 	1.Nxg5+ Qxg5 2.Nxf4+ Ke7 3.Nd5+ Ke8 4.Nxc7+ Kd8 5.Bxg5+ Be7
6.Bxe7+ Kxe7 7.Qc5+ Kd8 8.Nxa8 (292.776) 290.8
  7.01	 0:02 	  +M10 	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+ (886.221) 378.9
best move: Nf3xg5 time: 0:02.358 min  n/s: 378.960  nodes: 886.221


Bas.



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