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Subject: Re: Position to ponder.

Author: John Merlino

Date: 11:00:22 02/01/02

Go up one level in this thread


On February 01, 2002 at 06:33:28, pavel wrote:

>[D]r4rk1/p1p2ppp/2p1b3/6q1/2P5/3BR3/P1PQ1PPP/4R1K1 w KQkq - bm d3xh7+;1.15/15 2
>
>I hope the EPD string is correct, i copied it from Arena GUI.
>Anyways, white to move Bxh7+, I don't know if this is the best move.
>What does other program thinks?
>(I could do analyze with tons of programs that I have, but I didnt, coz I am
>lazy)
>
>:)
>
>pavs.
>
>here is the pgn
>
>It's move 17. Bxh7+ {0.99/10 7}
>
>[White "Crafty 18.12"]
>[Black "Fritz 7"]
>[Site "home"]
>[Date "2001.12.18"]
>[Time "06:12:54"]
>[Round  "30"]
>[TimeControl "120+6"]
>[Comment "11.15/15 2"]
>[Result "1-0"]
>
>1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5
>8. exd5 Qe7+ {0.00/10 10} 9. Be3 {-0.02/10 9} Bg4 {(Nxd5) -0.04/10 6} 10. Qd2
>{(Be2) 0.03/11 8} Nxd5 {0.18/11 9} 11. O-O {0.07/10 8} Bxc3 {0.28/10 6} 12.
>bxc3 {0.32/12 9} Nxe3 {0.31/12 10} 13. Rae1 {0.26/11 8} O-O {0.31/12 10} 14.
>Rxe3 {0.23/10 8} Qf6 {(Qg5) 0.37/11 10} 15. Rfe1 {0.34/10 8} Be6
>{(Rfd8) 0.53/11 10} 16. c4 {0.51/9 10} Qg5 {(Rfb8) 0.62/11 13} 17. Bxh7+
>{0.99/10 7} Kxh7 {0.65/12 7} 18. Rh3+ {0.99/10 7} Kg6 {0.75/12 8} 19. Rxe6+
>{(Rg3) 0.96/10 7} fxe6 {0.65/12 4} 20. Rg3 {0.91/10 12} Qxg3 {0.84/12 7} 21.
>hxg3 {1.05/10 6} Rad8 {0.84/11 7} 22. Qe2 {(Qe1) 1.17/11 6} Rf6
>{(Kf6) 0.90/11 7} 23. Kf1 {(f4) 1.19/10 6} Rd6 {(Rd4) 0.93/10 4} 24. Qe4+
>{(Qe3) 1.28/10 6} Kf7 {0.84/12 5} 25. Qe3 {1.12/11 5} a6 {1.06/11 4} 26. f4
>{(Qa7) 1.24/10 7} Rd7 {(a5) 0.59/11 8} 27. Qc5 {(Ke2) 1.35/11 5} Re7
>{0.43/12 4} 28. Qxc6 {(Qa7) 0.96/12 5} e5 {0.31/12 7} 29. Qf3
>{(Qd5+) 1.05/12 5} Kf8 {0.31/11 4} 30. Kg1 {(Qg4) 1.21/11 4} e4
>{(g5) 0.18/12 5} 31. Qe3 {0.85/12 5} Rb6 {0.18/12 3} 32. g4 {(a3) 0.85/12 5}
>Rb2 {0.09/12 5} 33. a3 {0.92/12 8} Rxc2 {0.18/13 4} 34. c5 {0.92/11 4} Rc4
>{0.31/12 7} 35. Kh2 {0.91/12 4} Ke8 {(Rd7) 0.18/12 3} 36. f5 {(g5) 0.57/11 3}
>a5 {0.40/12 9} 37. g5 {1.19/10 3} a4 {0.65/11 3} 38. f6 {1.77/11 3} gxf6
>{1.09/10 2} 39. gxf6 {1.59/10 4} Rh7+ {1.37/11 6} 40. Kg1 {1.43/11 3} Rh5
>{1.31/11 3} 41. g4 {(Qf4) 1.84/10 3} Rhxc5 {1.59/10 3} 42. Qh6 {1.97/9 3}
>R4c1+ {1.06/9 2} 43. Kf2 {2.24/9 3} R5c3 {1.06/8 2} 44. Qg6+ {3.47/8 4} Kd7
>{1.96/11 4} 45. Qxe4 {3.47/8 3} R1c2+ {(R3c2+) 2.09/10 5} 46. Ke1 {3.81/9 3}
>R2c1+ {(c5) 2.12/10 4} 47. Kd2 {4.33/10 3} Kd6 {(R1c2+) 4.06/11 5} 48. g5
>{5.18/9 4} R3c4 {(Rc5) 3.50/9 1} 49. f7 {(Qe7+) 6.92/10 2} R1c2+
>{(Rxe4) 4.43/12 2} 50. Qxc2 {7.94/15 2} Rxc2+ {8.71/13 5} 51. Kxc2 {9.39/15 2}
>Ke7 {10.75/16 2} 52. g6 {9.18/13 2} Kf8 {(c6) 10.87/15 2} 53. Kc3 {13.71/14 3}
>c5 {11.15/15 2}  {} 1-0

Chessmaster 8000 (default personality on a PIII-600) pretty much agrees with the
other post from a Fritz 7 user. Bxh7+ looks good for some time, but then Qc3
looks better:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.65	2095		1.c3 Rad8 2.Qc2
0:00	1/4	0.65	5469		1.c3 Rae8 2.Qc2 Qh4
0:00	1/4	0.67	8531		1.Qb4 Rfb8 2.Qa4 Qc5 3.c3
0:00	2/5	0.48	19658		1.Qb4 Rad8 2.Re5 Qh4 3.Ra5
0:00	2/5	0.51	29755		1.Qc3 Rad8 2.Re5 Qf6 3.Qa3
0:01	2/6	0.74	58129		1.Qc3 Rad8 2.Qa3 a5 3.Re5 Qh4 4.Rxa5
					Bxc4 5.Bxc4 Qxc4
0:03	3/7	0.74	181101		1.Qc3 Rad8 2.Qa3 a5 3.Re5 Qh4 4.Rxa5
					Bxc4 5.Bxc4 Qxc4
0:05	3/7	1.13	304208		1.Bxh7+ Kxh7 2.Rh3+ Kg6 3.Rg3 Bg4
					4.Qxg5+ Kxg5 5.h3 f5 6.hxg4 fxg4
					7.Re5+ Rf5 8.Re7
0:09	3/8	1.05	615131		1.Bxh7+ Kxh7 2.Rh3+ Kg6 3.Rg3 Bg4
					4.Qxg5+ Kxg5 5.h3 Rfe8 6.Rxg4+
					Kf6 7.Rf4+ Kg6 8.Rd1 Rad8 9.Rg4+
					Kf6
0:23	4/9	1.05	1690931		1.Bxh7+ Kxh7 2.Rh3+ Kg6 3.Rg3 Bg4
					4.Qxg5+ Kxg5 5.h3 Rfe8 6.Rxg4+
					Kf6 7.Rf4+ Kg6 8.Rd1 Rad8 9.Rg4+
					Kf6
1:31	4/10	0.86	7362010		1.Bxh7+ Kxh7 2.Rh3+ Kg6 3.Rg3 Bg4
					4.Qxg5+ Kxg5 5.f3 Rfe8 6.Rxg4+
					Kf6 7.Rxe8 Rxe8 8.Rf4+ Kg6 9.Re4
					Rd8 10.Re7
4:09	4/10	1.05	17661376	1.Qc3 Qc5 2.Re5 Qb6 3.c5 Qb7 4.Qd4
					Rad8 5.Qh4 h6

jm



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