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Subject: Re: Programs still don't have a clue in some positions.

Author: Pallav Nawani

Date: 10:35:45 03/15/05

Go up one level in this thread


On March 15, 2005 at 03:53:02, odell jones wrote:

>On March 14, 2005 at 13:52:06, John Merlino wrote:
>
>>On March 14, 2005 at 07:25:44, odell jones wrote:
>>
>>>The below game i should have won, I kind of got bored with the ease that I got
>>>such a great position. The game is against RebelXP dos running on XP2400. Time
>>>control was 40 moves in 1 hr.
>>>
>>>
>>>[Event "?"]
>>>[Site "?"]
>>>[Date "2005.03.09"]
>>>[Round "?"]
>>>[White
>>>[Black "*rebelXP"]
>>>[Result "0-1"]
>>>[ECO "C45"]
>>>[PlyCount "102"]
>>>[EventDate "2005.??.??"]
>>>
>>>1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. a4 a6 8. g3
>>>Nf6 9. Bg2 Bg4 10. Ne2 Ne5 11. O-O Nf3+ 12. Bxf3 Bxf3 13. Bg5 O-O 14. Nd2 Bg4
>>>15. Kg2 Qd7 16. Bxf6 Bh3+ 17. Kg1 Bxf1 18. Nxf1 gxf6 19. Nf4 c6 20. Qh5 Qe7 21.
>>>Nd2 Qe5 22. Qf3 d5 23. Nh5 f5 24. exf5 Kh8 25. a5 Bc7 26. f6 Qxb2 27. Ra4 Qxc2
>>>28. Rh4 Qxd2 29. Qf5 Rfe8 30. Ng7 h6 31. Nxe8 Rxe8 32. Qd7 Rg8 33. Qxc7 Qg5 34.
>>>Rf4 Qh5 35. Qxb7 c5 36. Qxa6 Qe5 37. Rf3 c4 38. Qc6 Qe1+ 39. Kg2 Rd8 40. Qc7
>>>Qe8 41. Re3 Qg8 42. Re7 Rc8 43. Qf4 c3 44. Qxh6+ Qh7 45. Qc1 Qg6 46. Re5 Qxf6
>>>47. Rh5+ Kg7 48. Rxd5 Qc6 49. Qg5+ Kf8 50. Kg1 Qxd5 51. Qxd5 c2 {White resigns}
>>>0-1
>>
>>Are you saying that you are winning in this position?
>>
>>[D]r4r1k/1pb2p1p/p1p2P2/P2p1Q1N/7R/6P1/3q1P1P/6K1 b - - 0 29
>>
>>PD may have blundered with 29...Rfe8. Here's what CM9_R1 on an AMD 2500 says:
>>
>>Time	Depth	Score	Positions	Moves
>>0:00	1/3	-8.50	8708		29...Qe1+ 30.Kg2 h6 31.Ng7 Qc1
>>					32.Qd7
>>0:00	1/3	-8.75	11690		29...Rfd8 30.Kg2 Bxa5 31.Nf4
>>0:00	1/3	-9.05	16386		29...Rfe8 30.Kg2 Re2 31.Ng7
>>0:00	1/4	-7.86	20531		29...Rfe8 30.Ng7 Re1+ 31.Kg2 h6
>>					32.Qd7 Bxa5 33.Qxf7
>>0:00	1/4	-8.67	24508		29...Rfd8 30.Ng7 h6 31.Qb1 Bxa5
>>					32.Qxb7 Qd1+ 33.Kg2
>>0:00	1/4	-8.83	28672		29...h6 30.Qb1 Rab8 31.Rg4 Bxa5
>>0:01	1/5	-8.85	55646		29...h6 30.Qb1 Rae8 31.Qxb7 Qe1+
>>					32.Kg2 Re2
>>0:03	1/5	-9.07	76072		29...Rfe8 30.Ng7 Re1+ 31.Kg2 h6
>>					32.Qh3 Kh7 33.Nf5
>>0:04	1/6	-6.77	106876		29...Rfe8 30.Ng7 h6 31.Nxe8 Rxe8
>>					32.Qh3 Kh7 33.Qf5+ Kg8
>>0:06	1/6	-8.93	211267		29...h6 30.Kg2 Qxa5 31.Qg4 Rg8
>>					32.Qd7 Raf8 33.Qe7
>>0:06	1/7	-8.78	285083		29...h6 30.Kg2 Rae8 31.Qg4 Qg5
>>					32.Qd7 Rg8 33.Ng7
>>0:08	1/8	-8.79	815664		29...h6 30.Kg2 Rad8 31.Qb1 Rd7
>>					32.Rb4 Bxa5 33.Rxb7 Rxb7 34.Qxb7
>>0:12	1/9	-8.50	1749156		29...h6 30.Ng7 Bd8 31.Kg2 Rg8 32.Qe5
>>					Bxa5 33.Nf5 Rge8
>>0:21	1/10	-8.40	4198485		29...h6 30.Kg2 Rae8 31.Qg4 Qg5
>>					32.Qd7 Rc8 33.Qe7 Rg8 34.Ng7 c5
>>					35.Qxf7 Bxa5
>>0:47	1/11	-8.07	11522582	29...h6 30.Ng7 Bd8 31.Kg2 Qc1 32.Nh5
>>					Bc7 33.Rb4 Ra7 34.Rb1 Qc4
>>1:52	1/12	-7.92	29853707	29...h6 30.Ng7 Bd8 31.Qe5 Bxa5
>>					32.Qh5 Qe1+ 33.Kg2 Bd2 34.Nf5 Qc1
>>					35.Nd6 Kh7 36.Qf5+ Kg8 37.Nxb7
>>
>>jm
>
>
>
> mOST DEFINITELY IF YOU LET CHESSMASTER THINK LONGER YOU WILL SEE THAT ALL
>VARIATIONS LEAD TO A LOST

Perhaps you would like to give *one* such variation?

Pallav




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