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Subject: Aristarch 4.50, one of the best engines I have played.

Author: Pablo Ignacio Restrepo

Date: 08:54:09 07/12/05


Hello.
Just a moment ago, I played into playchess some games against Aristarch 4.50:
12.5 ply;  559kN/s AuthenticAMD  2519MHz, (1 threads) Imagen: Mcnkjvic.
This is an special engine, one of the smartest I have played, in his natural or
standard setting, where its not easy to put in the easy troubles that usually
engines are in not minus of 20-70% of combats, in all time controls,  across the
 antichess way.

Congratullations from Aristarch 4.50
Best,
Pablo



+8 =0 -1
Here my two better games.

 [D]r5k1/1nN3q1/p2p1p2/1pp1pPpQ/4P3/3P4/PPP2KP1/7R b - - 0 32

[Event "Partida evaluada, 3m + 0s"]
[Site "Sala de máquinas"]
[Date "2005.07.12"]
[Round "?"]
[White "Pigli"]
[Black "Father"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2608"]
[BlackElo "2044"]
[PlyCount "63"]
[EventDate "2005.06.10"]
[TimeControl "180"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:00]} Nc6 {
[%emt 0:00:01]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:01]} 4. Ba4 {
[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:00]} b5 {[%emt 0:00:01]
} 6. Bb3 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 7. Re1 {[%emt 0:00:00]} d6 {
[%emt 0:00:00]} 8. d3 {[%emt 0:00:00]} Na5 {[%emt 0:00:00]} 9. Nc3 {
[%emt 0:00:00]} c5 {[%emt 0:00:01]} 10. Bd5 {[%eval 9,13] [%emt 0:00:07]} Bb7 {
[%emt 0:00:05]} 11. Bxb7 {[%eval 67,14] [%emt 0:00:07]} Nxb7 {[%emt 0:00:07]}
12. Nh4 {[%eval 83,14] [%emt 0:00:02]} O-O {[%emt 0:00:04]} 13. Qf3 {
[%eval 101,14] [%emt 0:00:06]} g6 {[%emt 0:00:02]} 14. Bh6 {
[%eval 91,13] [%emt 0:00:04]} Re8 {[%emt 0:00:02]} 15. Nf5 {
[%eval 104,14] [%emt 0:00:02]} Bf8 {[%emt 0:00:04]} 16. Bxf8 {
[%eval 105,14] [%emt 0:00:07]} Rxf8 {[%emt 0:00:01]} 17. Ne3 {
[%eval 100,14] [%emt 0:00:03]} Kg7 {[%emt 0:00:02]} 18. Rad1 {
[%eval 117,13] [%emt 0:00:07]} Qd7 {[%emt 0:00:02]} 19. Ncd5 {
[%eval 139,13] [%emt 0:00:06]} Nxd5 {[%emt 0:00:01]} 20. Nxd5 {
[%eval 145,14] [%emt 0:00:02]} Qd8 {[%emt 0:00:07]} 21. Qh3 {
[%eval 145,14] [%emt 0:00:00]} f6 {[%emt 0:00:03]} 22. f4 {
[%eval 176,12] [%emt 0:00:06]} Rf7 {[%emt 0:00:01]} 23. f5 {
[%eval 217,12] [%emt 0:00:05]} g5 {[%emt 0:00:01]} 24. Qg4 {
[%eval 214,14] [%emt 0:00:14]} Qf8 {[%emt 0:00:02]} 25. h4 {
[%eval 278,14] [%emt 0:00:06]} h6 {[%emt 0:00:01]} 26. hxg5 {
[%eval 279,13] [%emt 0:00:03]} hxg5 {[%emt 0:00:01]} 27. Kf2 {
[%eval 364,12] [%emt 0:00:05]} Kg8 {[%emt 0:00:05]} 28. Rh1 {
[%eval 490,13] [%emt 0:00:00]} Rh7 {[%emt 0:00:04]} 29. Rxh7 {
[%eval 1781,15] [%emt 0:00:07]} Kxh7 {[%emt 0:00:01]} 30. Rh1+ {
[%eval 1756,16] [%emt 0:00:02]} Kg8 {[%emt 0:00:01]} 31. Qh5 {
[%eval 1756,17] [%emt 0:00:06]} Qg7 {[%emt 0:00:01]} 32. Nc7 {
Father rinde [%eval 1831,16] [%emt 0:00:04]} 1-0

[D]3r4/5kb1/2qrp1p1/1p3p1p/p1pPpP1P/P1P1B1P1/1P1R4/3R1KQ1 b - - 0 98

[Event "Partida evaluada, 3m + 0s"]
[Site "Sala de máquinas"]
[Date "2005.07.12"]
[Round "?"]
[White "Father"]
[Black "Pigli"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2044"]
[BlackElo "2641"]
[Annotator "Restrepo,Pablo"]
[PlyCount "195"]
[EventDate "2005.06.10"]
[TimeControl "180"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:00]} 2. c3 {[%emt 0:00:01]} d5 {
[%emt 0:00:00]} 3. e3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 4. f4 {
[%emt 0:00:01]} c5 {[%emt 0:00:00]} 5. Bb5+ {[%emt 0:00:02]} Bd7 {
[%eval 14,13] [%emt 0:00:09]} 6. Bxd7+ {[%emt 0:00:00]} Nbxd7 {[%emt 0:00:10]}
7. Nf3 {[%eval -10,15] [%emt 0:00:00]} Rc8 {[%eval -10,12] [%emt 0:00:08]} 8.
O-O {[%emt 0:00:12]} Qb6 {[%emt 0:00:00]} 9. g3 {[%emt 0:00:01]} Bd6 {
[%eval -61,13] [%emt 0:00:08]} 10. Kg2 {[%emt 0:00:00]} O-O {
[%eval -54,12] [%emt 0:00:12]} 11. Re1 {[%emt 0:00:00]} Ne4 {
[%eval -147,11] [%emt 0:00:06]} 12. Nbd2 {[%emt 0:00:01]} Nxd2 {
[%eval -135,12] [%emt 0:00:04]} 13. Qxd2 {[%emt 0:00:01]} Nf6 {
[%eval -130,12] [%emt 0:00:05]} 14. Kh1 {[%emt 0:00:01]} Ne4 {
[%eval -154,11] [%emt 0:00:04]} 15. Qe2 {[%emt 0:00:01]} a6 {
[%eval -153,12] [%emt 0:00:07]} 16. Nd2 {[%emt 0:00:01]} Nxd2 {[%emt 0:00:12]}
17. Qxd2 {[%eval -120,13] [%emt 0:00:00]} Rc7 {[%eval -110,13] [%emt 0:00:01]}
18. Qe2 {[%emt 0:00:07]} Rfc8 {[%eval -110,13] [%emt 0:00:13]} 19. a3 {
[%emt 0:00:01]} Re7 {[%eval -133,12] [%emt 0:00:09]} 20. Qd3 {[%emt 0:00:01]}
f5 {[%eval -147,12] [%emt 0:00:04]} 21. Re2 {[%emt 0:00:02]} Ree8 {
[%eval -152,11] [%emt 0:00:03]} 22. Rg2 {[%emt 0:00:01]} c4 {
[%eval -124,12] [%emt 0:00:05]} 23. Qc2 {[%emt 0:00:02]} Qd8 {
[%eval -123,14] [%emt 0:00:00]} 24. Bd2 {[%emt 0:00:02]} g6 {
[%eval -112,13] [%emt 0:00:05]} 25. Rag1 {[%emt 0:00:01]} Bf8 {
[%eval -132,11] [%emt 0:00:02]} 26. Be1 {[%emt 0:00:09]} Bg7 {
[%eval -129,10] [%emt 0:00:01]} 27. Qd1 {[%emt 0:00:03]} h5 {
[%eval -129,11] [%emt 0:00:01]} 28. h4 {[%emt 0:00:01]} Kf7 {
[%eval -211,12] [%emt 0:00:02]} 29. Rc2 {[%emt 0:00:01]} b5 {
[%eval -214,12] [%emt 0:00:02]} 30. Rgg2 {[%emt 0:00:01]} Qb6 {
[%eval -221,11] [%emt 0:00:01]} 31. Rc1 {[%emt 0:00:01]} Qc6 {
[%eval -213,12] [%emt 0:00:02]} 32. Ra1 {[%emt 0:00:01]} Rb8 {
[%eval -210,11] [%emt 0:00:01]} 33. Rc2 {[%emt 0:00:01]} Qb6 {
[%eval -194,12] [%emt 0:00:03]} 34. Rcc1 {[%emt 0:00:01]} Qc7 {
[%eval -185,11] [%emt 0:00:02]} 35. Ra2 {[%emt 0:00:01]} a5 {
[%eval -189,10] [%emt 0:00:02]} 36. Rca1 {[%emt 0:00:01]} a4 {
[%eval -212,11] [%emt 0:00:01]} 37. Rc1 {[%emt 0:00:01]} Qe7 {
[%eval -184,12] [%emt 0:00:02]} 38. Raa1 {[%emt 0:00:00]} Qc7 {
[%eval -180,13] [%emt 0:00:00]} 39. Rc2 {[%emt 0:00:00]} Bf6 {
[%eval -182,11] [%emt 0:00:02]} 40. Rg2 {[%emt 0:00:01]} Rbd8 {
[%eval -212,11] [%emt 0:00:02]} 41. Rc1 {[%emt 0:00:00]} Bg7 {
[%eval -203,11] [%emt 0:00:01]} 42. Rcc2 {[%emt 0:00:00]} Rc8 {
[%eval -205,11] [%emt 0:00:01]} 43. Qf3 {[%emt 0:00:01]} Qe7 {
[%eval -199,13] [%emt 0:00:01]} 44. Kh2 {[%emt 0:00:01]} Qd6 {
[%eval -196,13] [%emt 0:00:00]} 45. Qf2 {[%emt 0:00:01]} Rf8 {
[%eval -196,11] [%emt 0:00:01]} 46. Qg1 {[%emt 0:00:00]} Qb6 {
[%eval -201,11] [%emt 0:00:01]} 47. Kh1 {[%emt 0:00:00]} Rfe8 {
[%eval -206,11] [%emt 0:00:01]} 48. Rc1 {[%emt 0:00:00]} Bf6 {
[%eval -200,11] [%emt 0:00:01]} 49. Rgc2 {[%emt 0:00:01]} Bg7 {
[%eval -205,10] [%emt 0:00:01]} 50. Qh2 {[%emt 0:00:00]} Rb8 {
[%eval -190,11] [%emt 0:00:02]} 51. Kg1 {[%emt 0:00:00]} Re7 {
[%eval -179,12] [%emt 0:00:01]} 52. Kh1 {[%emt 0:00:00]} Rf8 {
[%eval -185,10] [%emt 0:00:01]} 53. Kg1 {[%emt 0:00:00]} Qc6 {
[%eval -178,11] [%emt 0:00:01]} 54. Kh1 {[%emt 0:00:00]} Rd8 {
[%eval -189,11] [%emt 0:00:01]} 55. Kg1 {[%emt 0:00:00]} Rb7 {
[%eval -175,11] [%emt 0:00:01]} 56. Kh1 {[%emt 0:00:00]} Qd6 {
[%eval -182,11] [%emt 0:00:01]} 57. Kg1 {[%emt 0:00:00]} Rc7 {
[%eval -176,10] [%emt 0:00:01]} 58. Kh1 {[%emt 0:00:00]} Rcc8 {
[%eval -185,10] [%emt 0:00:01]} 59. Kg1 {[%emt 0:00:00]} Re8 {
[%eval -174,13] [%emt 0:00:00]} 60. Kh1 {[%emt 0:00:00]} Bf8 {
[%eval -193,10] [%emt 0:00:01]} 61. Kg1 {[%emt 0:00:00]} Be7 {
[%eval -174,11] [%emt 0:00:01]} 62. Qe2 {[%emt 0:00:00]} Qb6 {
[%eval -182,10] [%emt 0:00:01]} 63. Kh1 {[%emt 0:00:00]} Rb8 {
[%eval -191,9] [%emt 0:00:00]} 64. Kh2 {[%emt 0:00:00]} Bd6 {
[%eval -180,10] [%emt 0:00:01]} 65. Kh3 {[%emt 0:00:00]} Qd8 {
[%eval -181,10] [%emt 0:00:01]} 66. Kh2 {[%emt 0:00:00]} Bf8 {
[%eval -180,10] [%emt 0:00:00]} 67. Kh3 {[%emt 0:00:00]} Bg7 {
[%eval -185,10] [%emt 0:00:01]} 68. Kh2 {[%emt 0:00:00]} Qb6 {
[%eval -185,9] [%emt 0:00:01]} 69. Kh3 {[%emt 0:00:01]} Qa7 {
[%eval -176,10] [%emt 0:00:01]} 70. Kh2 {[%emt 0:00:00]} Rb6 {
[%eval -184,9] [%emt 0:00:00]} 71. Kh1 {[%emt 0:00:00]} Ra6 {
[%eval -176,9] [%emt 0:00:00]} 72. Kg1 {[%emt 0:00:00]} Qc7 {
[%eval -167,10] [%emt 0:00:00]} 73. Kf1 {[%emt 0:00:00]} Raa8 {
[%eval -171,9] [%emt 0:00:00]} 74. Kg2 {[%emt 0:00:00]} Rab8 {
[%eval -169,9] [%emt 0:00:00]} 75. Kh1 {[%emt 0:00:00]} Bf6 {
[%eval -181,9] [%emt 0:00:01]} 76. Kh2 {[%emt 0:00:00]} Re7 {
[%eval -177,9] [%emt 0:00:01]} 77. Kh1 {[%emt 0:00:00]} Rf8 {
[%eval -177,8] [%emt 0:00:00]} 78. Kh2 {[%emt 0:00:00]} Ree8 {
[%eval -190,8] [%emt 0:00:00]} 79. Kh1 {[%emt 0:00:00]} Qb6 {
[%eval -190,7] [%emt 0:00:00]} 80. Kh2 {[%emt 0:00:00]} Qc6 {
[%eval -192,8] [%emt 0:00:00]} 81. Kh1 {[%emt 0:00:01]} Rb8 {
[%eval -183,7] [%emt 0:00:00]} 82. Kg1 {[%emt 0:00:00]} Qd7 {
[%eval -143,10] [%emt 0:00:00]} 83. Kf1 {[%emt 0:00:00]} Rh8 {
[%eval -128,7] [%emt 0:00:00]} 84. e4 {[%emt 0:00:00]} dxe4 {
[%eval -276,7] [%emt 0:00:00]} 85. Bf2 {[%emt 0:00:02]} Rhd8 {
[%eval -222,13] [%emt 0:00:00]} 86. Be3 {[%emt 0:00:00]} Rb6 {
[%eval -251,6] [%emt 0:00:00]} 87. Qf2 {[%emt 0:00:00]} Qd5 {
[%eval -249,6] [%emt 0:00:00]} 88. Kg1 {[%emt 0:00:01]} Rbd6 {
[%eval -217,7] [%emt 0:00:00]} 89. Rd1 {[%emt 0:00:01]} Bg7 {
[%eval -217,7] [%emt 0:00:00]} 90. Rcd2 {[%emt 0:00:00]} R6d7 {
[%eval -218,8] [%emt 0:00:00]} 91. Kg2 {[%emt 0:00:00]} Qd6 {
[%eval -218,6] [%emt 0:00:00]} 92. Kh2 {[%emt 0:00:00]} Qc6 {
[%eval -216,6] [%emt 0:00:00]} 93. Kh3 {[%emt 0:00:00]} Bf6 {
[%eval -221,6] [%emt 0:00:00]} 94. Kh2 {[%emt 0:00:00]} Bg7 {
[%eval -218,13] [%emt 0:00:00]} 95. Kh1 {[%emt 0:00:00]} Kg8 {
[%eval -221,8] [%emt 0:00:00]} 96. Qg1 {[%emt 0:00:00]} Kf7 {
[%eval -229,7] [%emt 0:00:00]} 97. Kg2 {. [%emt 0:00:00]} Rd6 {
[%eval -224,7] [%emt 0:00:00]} 98. Kf1 {
Tiempo  (Lag: Av=1.05s, max=6.6s) [%emt 0:00:00]} 1-0




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