Author: Howard Exner
Date: 17:03:36 08/28/99
Go up one level in this thread
On August 28, 1999 at 11:10:46, Mark Rawlings wrote: >On August 28, 1999 at 10:14:51, Howard Exner wrote: > >>On August 28, 1999 at 08:03:19, odell hall wrote: >> >>>Hi >>> >>> This game was played at Santa Domingo last year, Time control was 40/2. >>>At move 36. Rebel played Bxe4? Accordinging to all my programs this move should >>>lose. Not being real great at endgames I cannot be so sure. Maybe someone with >>>the crafty endgame tablebases can say for sure. Did the fide Master go astray or >>>did Rebel simply produce an endgame brilliancy? Here is the epd for the Crucial >>>position, as well as the complete game.` >> >>I have this game in my collection also but it has the player's colors >>reversed. So actually Rebel is the player of the black pieces and won >>this game according to the info in my database. In playing over >>the game this looks like how Rebel plays as black. Also my Rebel 10 does not >>consider the move Bxe4. It looks more like a move a human would play in time >>trouble. >>> >>>8/K5pp/8/2pk4/4p3/2P4n/PPB2P2/8 w - - id REBEL 10 400MHZ 128 - NM JUAN ML. >>>JAQUEZ; bm c2e4; >>> >>> >>> >>>[Event "4ta. COPA SAMANEL"] >>>[Site "?"] >>>[Date "1998.12.20"] >>>[Round "?"] >>>[White "REBEL 10 400MHZ 128"] >>>[Black "NM JUAN ML. JAQUEZ"] >>>[Result "1-0"] >>>[WhiteElo "2555"] >>>[BlackElo "2205"] >>>[ECO "B01"] >>> >>>1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Nf3 Nf6 7. O-O >>>e6 8. Bf4 Nbd7 9. Qe2 Bg4 10. h3 Bxf3 11. Qxf3 Rd8 12. Rad1 Bb4 13. Ne4 >>>Nxe4 14. Qxe4 O-O 15. Bb3 Nf6 16. Qe2 Bd6 17. Bxd6 Rxd6 18. c3 Rfd8 19. >>>Rfe1 b6 20. Qe5 c5 21. dxc5 Qxc5 22. Qxc5 bxc5 23. Rxd6 Rxd6 24. Rd1 Rxd1+ >>>25. Bxd1 Kf8 26. Kf1 Ke7 27. Ke2 e5 28. Kd3 Nd5 29. g3 f5 30. Kc4 Kd6 31. >>>Kb5 e4 32. Ka6 f4 33. gxf4 Nxf4 34. Bc2 Kd5 35. Kxa7 Nxh3 36. Bxe4+ Kxe4 >>>37. b4 cxb4 38. cxb4 Nxf2 39. b5 Kd5 40. b6 Nd3 41. b7 Ne5 42. Kb6 Nd7+ >>>43. Kc7 Nc5 44. b8=N h5 45. Nc6 h4 46. Ne7+ Ke4 47. Kc6 Nd3 1-0 > > >Looks like white missed a draw on move 44: > >end-game phase > clearing hash tables > time surplus 3:35 time limit 10.00 (1:00) > s depth time score variation (1) > 10 1.30 ++ 44. a4!! > 10 3.33 -2.60 44. a4 h5 45. a5 Kc4 46. b8=N Kb5 47. > Kd6 Nb7+ 48. Ke6 Nxa5 49. Nd7 > 10-> 3.36 -2.60 44. a4 h5 45. a5 Kc4 46. b8=N Kb5 47. > Kd6 Nb7+ 48. Ke6 Nxa5 49. Nd7 > 11 3.96 ++ 44. a4!! > 11-> 7.74 -2.21 44. a4 h5 45. a5 Kc4 46. b8=N Kb5 47. > Kd6 Nb7+ 48. Ke6 Nxa5 49. Nd7 > 12 8.33 -- 44. a4 > 12 9.77 ++ 44. a4!! > 12 33.72 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 12-> 34.47 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 13 35.28 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 13-> 36.30 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 14 38.47 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 14-> 40.43 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 15 42.51 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 15-> 44.66 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 16 49.78 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 16-> 57.91 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 17 1:05 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 17-> 1:16 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 18 1:26 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 18-> 1:40 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 19 2:11 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 19-> 2:55 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 20 3:36 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 20-> 5:07 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ > 21 6:17 0.00 44. a4 Na6+ 45. Kb6 Nb8 46. Kc7 Na6+ Yes I think a4 will lead to a draw. The Line Rebel suggests at around 20 seconds on an AMD K-233 is 1. a4 g5 2. a5 g4 3.b8=Q which eventually leads to a KQP vs KQ ending where black has perpetual check.
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