Author: Vincent Diepeveen
Date: 07:39:31 03/24/02
Go up one level in this thread
On March 24, 2002 at 10:23:35, Jeroen Noomen wrote: >On March 24, 2002 at 09:28:53, Vincent Diepeveen wrote: > >>On March 24, 2002 at 09:20:17, Thomas Lagershausen wrote: > > >Hm, if that is the reason they want to play f4-f5, >I really wouldn't call it chess knowledge then :-))) It is sad but true. it is a single one liner heuristic which causes all this. amazingly it is a very hard to beat heuristic for humans. however you can profit hugely against all these programs in game play from this heuristic as i have shown already for some friends. If you play a position where opening it is bad, then all these programs do anything to open it. And you get easily a won strategically position against them. Even short term winning positions... > > >>both these programs just do not want 8 pawns on the board, >>just like crafty. i bet crafty wants f4 f5 too. >> >>best regards, >>Vincent >> >>>[D]r3kb1r/p4pp1/1n2p2p/np1pP2N/b1pP1BP1/P1P2N2/1P2BP1P/1R3RK1 w kq - >>> >>>After 20.Ne1! followed by Be3 the f-pawn is free to attack with f2-f4-f5 the >>>black basispawn e6. >>> >>>The position comes from the openingsystem which was in the DeepJunior7-Gulko >>>game on the board. >>> >>>Programs that don´t find a plan in this position are: >>> >>>Junio7,Hiarcs 7.32,Fritz6c,Gandalf5.1,RebelCentury3.2,CM8777 and lots of others. >>> >>>Only ShredderPaderborn and Fritz 7 are having sufficient chessknowledge to find >>>the right plan in this classical position. >>> >>>[Event "Berlin"] >>>[Site "?"] >>>[Date "1989.??.??"] >>>[Round "?"] >>>[White "Sveshnikov, Evgeny"] >>>[Black "Lutz, Christopher"] >>>[Result "1-0"] >>>[ECO "C02"] >>>[PlyCount "120"] >>>[EventDate "1989.??.??"] >>> >>>1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Be2 Bd7 >>>9. O-O Ne7 10. Re1 h6 11. Rb1 Nc8 12. Nf1 Qb3 13. Qxb3 Nxb3 14. Bf4 Ba4 15. Ng3 >>>b5 16. Nh5 Nb6 17. g4 Na5 18. Rec1 Nb3 19. Rf1 Na5 20. Ne1 Nc6 21. Be3 O-O-O >>>22. f4 g6 23. Ng3 Be7 24. f5 Rdf8 25. Rc1 Bb3 26. Rf2 Na4 27. Bf3 Rfg8 28. Ng2 >>>gxf5 29. gxf5 Nxb2 30. Rxb2 Bxa3 31. Rbb1 Bxc1 32. Rxc1 a5 33. Nf4 Nd8 34. Nfh5 >>>a4 35. Nf6 Rf8 36. Ne2 Nc6 37. Nf4 Nd8 38. Kf2 Rhg8 39. Nxg8 Rxg8 40. Nh5 a3 >>>41. Bxh6 a2 42. Ra1 exf5 43. Bc1 Rh8 44. Kg2 b4 45. Nf4 bxc3 46. Bxd5 Kd7 47. >>>Ne2 c2 48. Bg5 Ne6 49. Bxe6+ fxe6 50. Nc3 Ke8 51. h4 Kf7 52. Kf2 Kg6 53. Ke3 >>>Rb8 54. Kd2 Ba4 55. Rxa2 Rb1 56. Ne2 Bb3 57. Nf4+ Kf7 58. Ra7+ Ke8 59. Ne2 Rd1+ >>>60. Kc3 Rf1 1-0
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