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Subject: Re: One more sac by Hiarcs against Shredder right FEN

Author: John Merlino

Date: 09:18:29 07/19/03

Go up one level in this thread


On July 18, 2003 at 07:04:40, Vincent Lejeune wrote:

>On July 18, 2003 at 07:03:02, Vincent Lejeune wrote:
>
>>
>>Shredder didn't "see" 42...Bg3 !! (in blitz time control)
>>[d]3Q4/2r2pk1/p5n1/4pr2/Np1R1bR1/3B4/PP1q1PKP/8 b - - 0 42
>>
>>[Event "ICS Rated Blitz match"]
>>[Site "chessclub.com"]
>>[Date "2003.07.18"]
>>[Round "-"]
>>[White "Blargh"]
>>[Black "gixxer"]
>>[Result "0-1"]
>>[WhiteElo "2948"]
>>[BlackElo "2962"]
>>[TimeControl "300+3"]
>>
>>1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8.
>>Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. O-O cxd4 13. Re1 g6 14. Bb5 a6
>>15. Bc4 Bg7 16. Qxd4 Qa5 17. Bb3 Ne7 18. Bf4 Bxf3 19. gxf3 Rd8 20. Qe4 Nd5
>>21. Bg5 Rc8 22. Rad1 O-O 23. f4 Rc7 24. Qf3 h6 25. Bh4 Nxf4 26. Qxf4 g5 27.
>>Bxg5 hxg5 28. Qxg5 Nxe5 29. Kh1 Qb5 30. Rg1 Ng6 31. Qe3 Rb8 32. Rg5 Qc6+
>>33. Kg1 Rb5 34. Rg4 Kh7 35. Qg3 Be5 36. Qh3+ Kg7 37. Bc4 Bf4 38. Rd4 Rf5
>>39. Bd3 Qc1+ 40. Kg2 Qd2 41. Qh4 e5 42. Qd8 Bg3 43. Rxg6+ fxg6 44. Qxc7+
>>Kh6 45. Bxf5 Qxf2+ 46. Kh3 Qxh2+ 47. Kg4 Bf4 48. Kf3 e4+ 49. Rxe4 Bxc7 50.
>>Bxg6 Kxg6 51. Rxb4 Qd6 52. a3 Qd3+ 53. Kf2 Bg3+ 54. Kg2 Be1 55. Rg4+ Kh6
>>56. Kg1 Qe3+ 57. Kh2 Qe2+ 58. Rg2 Bf2 59. Rxf2 Qxf2+ 60. Kh3 Qf3+ 61. Kh2
>>Kg5 62. Nc5 Kg4 63. Ne4 Qxe4 64. b4 Kf3 65. Kg1 Qg6+ 66. Kf1 Qb1#
>>{Blargh checkmated} 0-1

Chessmaster 9000, CM_SKR personality on a P4-2.4, finds the sac in 6 seconds:

Time	Depth	Score	Positions	Moves
0:24	1/9	-1.21	4870100		42.Nc5 Bg5 43.Qg3 exd4 44.Bxf5
					Nf4+ 45.Rxf4 Qxf4 46.Nxa6 Rc4 47.Qd3

----	----	----	----		----
0:00	1/3	-0.65	4527		42...exd4 43.Bxf5 Qd1 44.Nb6
0:00	1/4	-1.53	11413		42...exd4 43.Bxf5 Qd1 44.Qe8 Rc1
					45.Rxg6+ fxg6 46.Qxg6+ Kf8 47.Qxa6
0:00	1/5	-1.14	31359		42...exd4 43.Bxf5 Qd1 44.Rxf4 Nxf4+
					45.Kg3 Ne2+ 46.Kh4 Qc1
0:00	1/6	-1.14	55433		42...exd4 43.Bxf5 Qd1 44.Rxf4 Nxf4+
					45.Kg3 Ne2+ 46.Kh4 Qc1
0:01	1/7	-0.08	205646		42...exd4 43.Bxf5 Rc6 44.Bxg6 Rxg6
					45.Rxg6+ Kxg6 46.Qg8+ Kf6 47.Qh8+
					Ke7 48.Qc8
0:01	1/7	-0.40	288180		42...Rg5 43.Rxg5 Bxg5 44.Qxc7 exd4
					45.Bxg6 Kxg6 46.Qc6+ Kg7 47.Nc5 Qc1
0:03	1/8	-0.37	611289		42...Rg5 43.Rxg5 Bxg5 44.Qxc7 exd4
					45.Bxg6 Kxg6 46.Nc5 Qxb2 47.Qc6+
					Bf6 48.Qxa6
0:06	1/8	-2.55	1362627		42...Bg3 43.Rxg6+ fxg6 44.Qxc7+
					Kh6 45.Bxf5 Qxf2+ 46.Kh3 Qxh2+
					47.Kg4 Bf4 48.Kf3 e4+ 49.Bxe4 Bxc7
					50.Rxb4
0:09	1/9	-2.59	1864047		42...Bg3 43.Rxg6+ fxg6 44.Qxc7+
					Kh6 45.Bxf5 Qxf2+ 46.Kh3 Qxh2+
					47.Kg4 Bf4 48.Kf3 e4+ 49.Bxe4 Bxc7
					50.Rxb4 Kg5
0:17	1/10	-2.52	3580490		42...Bg3 43.Rxg6+ fxg6 44.Qxc7+
					Kh6 45.Bxf5 Qxf2+ 46.Kh3 Qxh2+
					47.Kg4 Bf4 48.Kf3 e4+ 49.Bxe4 Qg3+
					50.Ke2 Qe3+ 51.Kf1 Bxc7 52.Rxb4 Kg5

And, just for fun, CM9000 announces Mate in 12 in 0:25 before 57...Qe2+. It then
updates it to Mate in 11 at 0:41, and finally Mate in 10 in 1:13.

Time	Depth	Score	Positions	Moves
0:00	1/4	-6.68	17674		57...Qf2+ 58.Rg2 Qh4+ 59.Kg1 Qxa4
					60.Kh1 Qh4+ 61.Rh2
0:00	1/5	-6.74	28452		57...Qf2+ 58.Rg2 Qh4+ 59.Kg1 Qxa4
					60.Re2 Qd4+ 61.Kf1 Bh4
0:00	1/6	-6.79	72869		57...Qf2+ 58.Rg2 Qh4+ 59.Kg1 Qxa4
					60.Kh1 Qf4 61.b4 Bg3
0:00	1/6	-7.33	160099		57...Ba5 58.Nb6 Bxb6 59.Rb4 Bd4
					60.b3 a5
0:00	1/6	-8.65	227014		57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Qf3+ 61.Kh2 Qf4+ 62.Kg2
					Qxa4 63.Kh1 Qg4
0:01	1/7	-9.20	279580		57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Qf3+ 61.Kh2 Qf4+ 62.Kg2
					Qxa4 63.Kf3 Qb3+ 64.Ke4 Qc2+ 65.Kd5
					Qxb2
0:01	1/8	-9.20	498027		57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Qf3+ 61.Kh2 Qf4+ 62.Kg2
					Qxa4 63.Kf3 Qb3+ 64.Ke4 Qc2+ 65.Kd5
					Qxb2
0:04	1/9	-10.12	1221771		57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Qf3+ 61.Kh2 Qf4+ 62.Kg2
					Qxa4 63.Kf3 Qb3+ 64.Kf4 Qxb2 65.Ke4
					Qxa3
0:11	1/10	-10.27	3142367		57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Kg5 61.Nc5 Qf3+ 62.Kh2 Kh4
					63.Ne4 Qe2+ 64.Kg1 Kh3 65.Nf2+
					Kg3 66.Ne4+ Qxe4 67.Kf1 Qb1+ 68.Ke2
					Qxb2+ 69.Kd3 Qxa3+ 70.Ke4
0:25	2/11	-Mate12	7452102		57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Kg5 61.Nc5 Qf3+ 62.Kh2 Kh4
					63.Ne4 Qe2+ 64.Kg1 Kh3 65.Nf2+
					Kg3 66.Ne4+ Qxe4 67.Kf1 Qe3 68.b3
					Qf2#
0:41	3/12	-Mate11	13897719	57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Kg5 61.Nc5 Qf3+ 62.Kh2 Kf4
					63.Ne6+ Ke3 64.Ng5 Qf4+ 65.Kh1
					Qxg5 66.Kh2 Kf2 67.Kh1 Qg1#
1:13	4/13	-Mate10	27156961	57...Qe2+ 58.Rg2 Bf2 59.Rxf2 Qxf2+
					60.Kh3 Kg5 61.Nc5 Qf3+ 62.Kh2 Kh4
					63.Ne4 Qxe4 64.Kg1 Kg3 65.Kf1 Qe3
					66.b3 Qf2#

jm



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