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Subject: Re: Two Old Deep Thought games

Author: blass uri

Date: 05:59:10 11/09/98

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On November 09, 1998 at 08:43:59, Robert Hyatt wrote:

>On November 08, 1998 at 21:40:03, Howard Exner wrote:
>
>>Even in 1988-89 Deep Thought had lots of hardware advantage over its micro
>>challengers. Here are two games that DT lost. I wonder how that machine then
>>would do now?
>>
>>Who were the programmers of Mephisto and Plymate?
>>The plymate game looks a bit odd to be a 40/2 encounter. Does anyone have info
>>on the time control for that game?
>>
>>[Event "?"]
>>[Site "North American Compu"]
>>[Date "1989.01.01"]
>>[Round "?"]
>>[White "COMP Mephisto"]
>>[Black "COMP Deep Thought"]
>>[Result "1-0"]
>>[WhiteElo "?"]
>>[BlackElo "?"]
>>[ECO "D25"]
>>
>>1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7
>>8. g4 Bg6 9. Nh4 Be4 10. Nxe4 Nxe4 11. Nf3 Nd6 12. Bb3 Qe7 13. Bd2 h5 14.
>>Rg1 hxg4 15. hxg4 O-O-O 16. Ba5 b6 17. Bb4 a5 18. Bxd6 Qxd6 19. Qc2 Be7
>>20. O-O-O Rh3 21. Nd2 c6 22. Rh1 Rdh8 23. Rxh3 Rxh3 24. Ne4 Qc7 25. Kb1
>>g5 26. Rc1 Kb7 27. Ba4 Nb8 28. Nd2 Qd7 29. Bb3 Na6 30. Qe4 Nb4 31. a3 Nd5
>>32. Qg2 Rh8 33. Ne4 f6 34. Qg3 Rg8 35. Rh1 f5 36. gxf5 exf5 37. Qh3 Rf8
>>38. Nd2 Bf6 39. Qh7 Rf7 40. Qh6 Qe6 41. Qg6 Rg7 42. Rh7 Rxh7 43. Qxh7+
>>Be7 44. Kc1 Kc7 45. Nf3 Kd8 46. Ne5 g4 47. Qh8+ Kc7 48. Kd2 Kb7 49. Nxc6
>>Qxc6 50. Qe5 Nc7 51. Qxe7 Qg2 52. Qh4 f4 53. exf4 Qe4 54. Qxg4 Qxd4+ 55.
>>Kc1 Qxf2 56. Qf5 Qf3 57. Kc2 Kc6 58. Qe5 Nd5 59. Qe6+ Kc5 60. Bxd5 Qxd5
>>61. Qxd5+ Kxd5 62. Kd3 a4 63. Kc3 Kc5 64. f5 1-0
>>
>>[Event "?"]
>>[Site "9+6 (V.1.1 Mega 2)"]
>>[Date "1988.01.01"]
>>[Round "?"]
>>[White "COMP Deep Thought"]
>>[Black "COMP Plymate"]
>>[Result "0-1"]
>>[WhiteElo "?"]
>>[BlackElo "?"]
>>[ECO "D52"]
>>
>>1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4
>>8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6 11. Nxc4 Bxc3+ 12. Kf1 Qd5 13. Qxc3
>>b5 14. Ne5 Bb7 15. Qc2 Qe4 16. Bd3 Qd5 17. f4 Rfc8 18. Kg1 c5 19. Bxb5
>>cxd4 20. Bc4 Rxc4 21. Nxc4 d3 22. Qd2 Qxc4 23. b4 Nd5 24. Rd1 Nxb4 25.
>>a3 Qe4 26. Rb1 Nc2 27. Rb3 Qxe3+ 28. Qxe3 Nxe3 29. Kf2 Bd5 30. Rxd3 Nc4
>>31. Re1 f5 32. Rb3 Kf7 33. Rc1 Ke7 34. Kg3 Kd6 35. h4 e5 36. fxe5+ Nxe5
>>37. Re3 Rf8 38. Rf1 Nc4 39. Rd3 Kc5 40. Rb3 a5 41. Kh3 f4 42. Rc3 Kd4 43.
>>Rc2 Be6+ 44. Kh2 Ne3 45. Rd2+ Kc3 46. Rfd1 Nxd1 47. Rxd1 f3 48. gxf3 Rxf3
>>49. Re1 Bd5 50. Re7 Rf7 51. Re2 Kd4 52. Rd2+ Ke4 53. Re2+ Kf3 54. Re5 Rd7
>>55. Kh3 g6 56. a4 Be4 57. Kh2 Rd2+ 58. Kg1 Rg2+ 59. Kf1 Ra2 60. Kg1 Kf4
>>61. Rxe4+ Kxe4 0-1
>
>
>Game 2 never happened.  Don't know where it came from, or who posted it where
>it was found, but that game was never played, at least at any ACM or WCCC
>event.  The Mephisto game was the *only* game at an ACM or WCCC event that was
>lost by DT to a micro-based program.  Deep Blue "prototype" also lost a game
>to Fritz in Hong Kong.
>
>But remember that during the period 1989-1994, when they played, they played
>at least 5 games every year an sometimes 10 (when ACM and WCCC were both held
>in the same year.)  They lost two out of (lower bound) 50 games.  You tell
>me what the Elo system would say there?  nearly +500 rating points?

I cannot tell from this information because I do not know how many games they
drew(I know only that Deep Blue did a draw against wchess but i do not know
about the results of most of the games)

Uri




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