Author: Roy Eassa
Date: 12:45:35 10/06/02
Go up one level in this thread
On October 06, 2002 at 15:38:17, Roy Eassa wrote:
>On October 06, 2002 at 15:31:44, Uri Blass wrote:
>
>>On October 06, 2002 at 14:02:02, Ed Schröder wrote:
>>
>>>On October 06, 2002 at 13:18:22, martin fierz wrote:
>>>
>>>>On October 06, 2002 at 12:31:43, Ed Schröder wrote:
>>>>
>>>>>On October 06, 2002 at 12:22:18, Terry McCracken wrote:
>>>>>
>>>>>>On October 06, 2002 at 12:10:43, Ed Schröder wrote:
>>>>>>
>>>>>>>[Event "A match in KasparovChess Playing Zone"]
>>>>>>>[Site "www.KasparovChess.com"]
>>>>>>>[Time "Sun Oct 06 18:13:37 GMT+02:00 2002"]
>>>>>>>[White "Kramnik"]
>>>>>>>[Black "Deep_Fritz"]
>>>>>>>[Result "*"]
>>>>>>>[WhiteELO "----"]
>>>>>>>[BlackELO "----"]
>>>>>>>
>>>>>>>1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5
>>>>>>>6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Kf1 b5 10. Be2 Bb7
>>>>>>>11. Nbd2 Nbd7 12. Nb3 Bf8 13. a4 b4 14. Nfd2 Bd5 15. f3 Bd6
>>>>>>>16. g3 e5 17. e4 Be6 18. Nc4 Bc7 19. Be3 a5 20. Nc5 Nxc5
>>>>>>>21. Bxc5 Nd7 22. Nd6+ Kf8 23. Bf2 Bxd6 24. Rxd6 Ke7 25. Rad1 Rhc8
>>>>>>>26. Bb5 Nc5 27. Bc6 Bc4+ 28. Ke1 Nd3+ 29. R1xd3 Bxd3 30. Bc5 Bc4
>>>>>>>31. Rd4+ Kf6 32. Rxc4 Rxc6 33. Be7+ Kxe7 34. Rxc6 Kd7 35. Rc5 f6
>>>>>>>36. Kd2 Kd6 37. Rd5+ Kc6 38. Kd3 g6 39. Kc4 g5 40. h3 h6
>>>>>>>41. h4 gxh4 42. gxh4 Ra7 {*}
>>>>>>>
>>>>>>>Rebel +1.50 for white.
>>>>>>>
>>>>>>>Ed
>>>>>>
>>>>>>Yes, it should be over for Black, 43.h5! has sealed any leaks...Zugzwang is
>>>>>>coming.
>>>>>
>>>>>Is it safe to say white was lost after the exchange of pieces entering the rook
>>>>>end-game? I have been there, thinking Rebel being safe entering a rook end-game
>>>>>and then to find out 10-15 moves later you have entered a lost position! You can
>>>>>calculate as deep as you want and nothing will help! Those awful super-GM's!
>>>>>
>>>>>Ed
>>>>
>>>>svidler was commenting on ICC and said 34...Kd7 was a mistake and instead ...Rd8
>>>>should be played. the passive defense was bound to lose according to him
>>>
>>>And no program will play 34..Rd8 because it sacs the a-pawn.
>>
>>
>>I am not sure.
>>
>>I suspect that if you let it to search for many hours it may see that every move
>>is losing a pawn and may prefer 34...Rd8
>>
>>I try to go backward with yace(only material) to find when black lost a pawn and
>>I got into move 38 when yace(only material) suggest 38...h6 with 0.00 evaluation
>>but yace(no material) used only few minutes so maybe at depth>18 it can find
>>positive score for white.
>>
>>I do not know if 38...h6 was better but there are positional reasons to prefer
>>38...h6
>>
>>After 38...h6 only g7 is not protected(from h6,g7,f6,e5) when after 38...g6 both
>>h7 and f6 are not protected so at least for me 38...h6 seems to be better.
>>
>>Uri
>
>
>38...h6 39.f4 exf4 40.gxf4 Ra7 41.h4
>
>looks pretty darn good for White. Even Fritz 7 thinks White is ahead by more
>than a pawn.
[d] r7/6pp/2k2p2/p2Rp3/Pp2P3/3K1PP1/1P5P/8 b - - 0 37
A bit more:
38...h6 39.f4 exf4 40.gxf4 Ra7 41.h4 Kb6
[41...Ra6 42.h5 Ra7 43.Kd4 +-]
42.h5 Rc7
[42...Rf7 43.Rb5+ Ka6 44.Kd4 Rc7 45.Rc5 Rd7+ 46.Rd5 Rc7 47.e5 +-]
43.e5 fxe5 44.fxe5 Rc1 45.Rb5+ Ka6 46.Kd4 +-
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