Ein Zug den Houdini, Rybka, Ivanhoe nur sehr schwer finden!
Die Partie wurde schon 2006 gespielt, und die damalige Toga-version 1.2.1 fand den Zug 15. Ng5!! ++- in nur 10s!... mit Gewinn! Doch die heutigen Spitzenprogramme haben damit große Probleme, Houdini leider auch!
PGN (ich spielte das 2006 auf playchess, mit der damaligen Referenz-Engine Rybka 1.2f die sang und klanglos gegen Toga unterging - mein Nick ist hier Wolkenlos):
[Event "Wertungspartie, 5m + 0s"]
[Site "?"]
[Date "2006.??.??"]
[Round "?"]
[White "Kowalski, Toga II 1.2.1a s902"]
[Black "Wolkenlos, Rybka 1.2f 32_bit"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2530"]
[BlackElo "2390"]
[Annotator "Nemeth,Eduard"]
[PlyCount "137"]
[EventDate "2006.??.??"]
1. e4 {0} e6 {(c5) 0} 2. d4 {0} d5 {0} 3. Nc3 {0} Bb4 {(Sf6) 0} 4. e5 {0} c5 {0
} 5. a3 {0} Ba5 {(Lxc3+) 0} 6. b4 {0} cxd4 {0} 7. Nb5 {0} Bc7 {0} 8. f4 {0} Ne7
{0} 9. Nf3 {-0.16/13 11} O-O {(a6) 0} 10. Bd3 {0.12/13 9} f6 {(f5) 0} 11. O-O {
-0.05/11 7} Bb6 {(Ld7) 0} 12. Nd6 {0.00/11 7} Ng6 {(a6) 9} 13. Bxg6 {0.36/10 8}
hxg6 {9} 14. Qd3 {0.47/13 0} fxe5 {(Sc6) 8 und nun Ng5!! finden} 15. Ng5 {
1.16/12 10} Qxd6 {(e4) 10} 16. Qxg6 {1.52/12 10} d3+ {(Tf5) 0} 17. Kh1 {
1.48/11 3} Rf5 {2} 18. Qh7+ {1.78/10 5} Kf8 {4} 19. g4 {1.78/11 4} Rxf4 {7} 20.
Bxf4 {1.96/11 0} exf4 {10} 21. Qh8+ {2.00/11 0} Ke7 {33} 22. Qxc8 {2.75/13 0}
Qc6 {33} 23. Qg8 {2.76/13 0} d4+ {21} 24. Rf3 {2.85/13 0} d2 {7} 25. Rd1 {
3.11/12 29} Qd5 {(Sd7) 3} 26. Qxg7+ {3.82/11 8} Kd6 {0} 27. Rxd2 {3.49/11 7}
Nd7 {0} 28. c4 {3.63/11 7} Qxc4 {1} 29. Ne4+ {3.36/11 5} Kd5 {3} 30. Rxf4 {
3.30/10 3} Kc6 {0} 31. Rd1 {3.19/10 7} Rd8 {5} 32. Qe7 {2.79/10 0} e5 {5} 33.
Rf7 {2.47/10 5} Qd5 {3} 34. Rc1+ {2.52/10 0} Kb5 {0} 35. Re1 {2.52/11 5} d3 {4}
36. Rf3 {2.65/11 1} d2 {(Dd4) 2} 37. Nc3+ {2.48/11 7} Ka6 {0} 38. Ref1 {
2.70/12 5} Qc4 {7} 39. g5 {2.56/11 0} Bc7 {3} 40. g6 {2.53/10 3} b5 {1} 41. g7
{2.77/9 3} Nb6 {1} 42. Rd1 {2.93/10 2} Na4 {3} 43. Qf6+ {3.35/10 2} Kb7 {2} 44.
Nxa4 {3.82/10 3} bxa4 {0} 45. Rf2 {3.97/10 5} e4 {1} 46. Rg2 {4.03/11 4} Rg8 {
(Dc2) 1} 47. Rgxd2 {4.17/9 1} e3 {1} 48. Rg2 {4.27/11 3} a6 {(Df4) 2} 49. Qf3+
{5.52/10 4} Qc6 {1} 50. Qf7 {5.49/12 2} e2 {3} 51. Re1 {5.49/12 1} Qc3 {1} 52.
Rexe2 {8.03/11 2} Qb3 {1} 53. Ref2 {8.08/11 2} Qb1+ {3} 54. Rf1 {8.26/13 1} Qb3
{4} 55. Rg3 {9.82/12 0} Qxf7 {3} 56. Rxf7 {12.08/12 0} a5 {2} 57. bxa5 {
12.63/11 0} Kc6 {2} 58. Rc3+ {16.46/11 0} Kd6 {4} 59. Rcxc7 {17.43/12 0} Rb8 {2
} 60. a6 {20.81/11 1} Rb1+ {10} 61. Kg2 {26.05/13 0} Rb2+ {2} 62. Kg3 {
26.38/11 2} Rb8 {3} 63. a7 {#9/9 1} Ra8 {3} 64. Rf8 {#7/10 0} Kxc7 {1} 65. Rxa8
{#6/12 0} Kb6 {(Kd7) 0} 66. g8=Q {#5/41 3} Ka6 {(Kb5) 0} 67. Qe6+ {#3/63 1} Kb5
{(Ka5) 0} 68. Rc8 {#2/63 1} Ka5 {0} 69. Rc5# {#1/63 1} 1-0
Getestet auf Core 2 Duo 2.66 GHz:
1. Ng5!! gewinnt sofort!
Engine: Houdini 1.03a w32 2-cpu (1024 MB)
von Robert Houdart
19/64 0:15 +0.28++ 15.fxe5 Sd7 16.Lh6 Sxe5 17.Sxe5 Dxd6
18.Lxg7 Tf5 19.Lf6 Ld8 20.Sg4 Lxf6
21.Sxf6+ Kf7 22.Sg4 e5 23.Tae1 Ke7
24.Dh3 Txf1+ 25.Txf1 Lf5 26.Dh7+ Ke6
27.Dxb7 Tf8 28.Sh6 (36.472.642) 2430
19/64 0:19 +0.40++ 15.fxe5 Sd7 16.Lh6 Sxe5 17.Sxe5 Dxd6
18.Lxg7 Tf5 19.Lf6 Ld8 20.Sg4 Lxf6
21.Sxf6+ Kf7 22.Sg4 e5 23.Tae1 Ke7
24.Dh3 Txf1+ 25.Txf1 Lf5 26.Dh7+ Ke6
27.Dxb7 Tf8 28.Sh6 (46.685.786) 2445
19/64 0:36 +0.50 15.fxe5 Sc6 16.Lg5 Txf3 17.Dxf3 Sxe5
18.Lxd8 Sxf3+ 19.Txf3 Lxd8 20.Taf1 Le7
21.Sf7 a5 22.Th3 Lf6 23.Sh6+ Kf8
24.Sg4 axb4 25.axb4 Kf7 26.Sxf6 gxf6
27.Th7+ Kg8 28.Te7 (89.077.104) 2458
20/64 0:44 +0.56++ 15.fxe5 Sc6 16.Lg5 Txf3 17.Dxf3 Sxe5
18.Lxd8 Sxf3+ 19.Txf3 Lxd8 20.Taf1 Le7
21.Sf7 a5 22.Th3 Lf6 23.Sh6+ Kf8
24.Sg4 axb4 25.axb4 Kf7 26.Sxf6 gxf6
27.Th7+ Kg8 28.Te7 (110.157.980) 2452
20/74 0:57 +0.46 15.fxe5 Sc6 16.Lg5 Txf3 17.Dxf3 Sxe5
18.Lxd8 Sxf3+ 19.Txf3 Lxd8 20.Tf7 e5
21.Taf1 Lf6 22.Tc7 Lg4 23.Sxb7 e4
24.Sc5 Le2 25.Txf6 gxf6 26.Sd7 f5
27.Kf2 Lc4 28.Sf6+ (141.065.669) 2472
21/74 1:04 +0.46 15.fxe5 Sc6 16.Lg5 Txf3 17.Dxf3 Sxe5
18.Lxd8 Sxf3+ 19.Txf3 Lxd8 20.Tf7 e5
21.Taf1 Lf6 22.Tc7 Lg4 23.Sxb7 e4
24.Sc5 Le2 25.Txf6 gxf6 26.Sd7 f5
27.Kf2 Lc4 28.Sf6+ (160.803.737) 2480
22/74 1:24 +0.46 15.fxe5 Sc6 16.Lg5 Txf3 17.Dxf3 Sxe5
18.Lxd8 Sxf3+ 19.Txf3 Lxd8 20.Tf7 e5
21.Taf1 Lf6 22.Tc7 Lg4 23.Sxb7 e4
24.Sc5 Le2 25.Txf6 gxf6 26.Sd7 f5
27.Kf2 Lc4 28.Sf6+ (210.722.387) 2499
23/74 2:24 +0.50 15.fxe5 Sc6 16.Lg5 Txf3 17.Dxf3 Sxe5
18.Lxd8 Sxf3+ 19.Txf3 Lxd8 20.Tf7 e5
21.Taf1 Lf6 22.Tc7 Lg4 23.Sxb7 e4
24.Sc5 Le2 25.Txf6 gxf6 26.Sd7 f5
27.Kf2 Lb5 28.Sf6+ (361.484.192) 2501
Auch nach mehr als 3 Minuten Wartezeit, findet Houdini 1.03a den Zug 15. Ng5!! leider nicht!
Was meint ihr dazu?
ED.