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Subject: Re: Leko-Short (w/ diagram)

Author: Paulo Soares

Date: 00:16:02 01/26/00

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On January 26, 2000 at 01:04:52, Terry Presgrove wrote:

>On January 26, 2000 at 00:34:17, Chessfun wrote:
>
>>On January 26, 2000 at 00:11:06, Terry Presgrove wrote:
>>
>>>On January 25, 2000 at 21:31:35, Peter Kappler wrote:
>>>
>>>>On January 25, 2000 at 21:04:07, Daryl Lakes wrote:
>>>>
>>>>>The following position is from todays game at the Corus tournament between Leko
>>>>>and Short. After 41.Qe8+ Fritz 6, Junior 6, Rebel 10, Chessmaster 7000 all would
>>>>>play 41...Kh7 after 10 minutes think time which loses to 42.Qe4+ and whites
>>>>>q-side pawns will queen. Only Hiarcs 7.32 saw that Kh7 loses and it saw it
>>>>>rather quickly. After about 1 minute it saw Kh7 loses and after about 7 minutes
>>>>>it played Shorts Kh6.
>>>>>Even though this is just one position I think it is an important one as it is a
>>>>>type that can frequently come up. The programs need to see the danger of outside
>>>>>pawn majorities even though it is outside of their 'horizon'
>>>>>The above info is based on my PII 450 and 32 meg Hashtables.
>>>>>I am curious if Tiger or Nimzo would play correctly in above position.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>[D]4Q3/p1p3p1/6k1/2P4p/1P5q/5Pp1/P7/6K1 b - - id *Morozevic - *Short; bm g6h6;
>>>>>
>>>>>[Event "?"]
>>>>>[Site "?"]
>>>>>[Date "2000.01.25"]
>>>>>[Round "?"]
>>>>>[White "*Morozevic"]
>>>>>[Black "*Short"]
>>>>>[Result "1/2-1/2"]
>>>>>[ICCResult "Game drawn by mutual agreement"]
>>>>>[Opening "Scotch game"]
>>>>>[ECO "C45"]
>>>>>[NIC "SO.05"]
>>>>>[Time "06:56:23"]
>>>>>[TimeControl "7200+0"]
>>>>>
>>>>>1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 bxc6 7. Nc3 d6
>>>>>8. Na4 Bb6 9. Bd3 Ne7 10. O-O O-O 11. c3 Qg6 12. Re1 Bh3 13. Bf1 Be6 14. c4
>>>>>c5 15. b3 f5 16. e5 dxe5 17. Ba3 Rad8 18. Qc3 Nc6 19. Bxc5 Rfe8 20. Rad1 Rd2
>>>>>21. Rc1 Rd3 22. Rcd1 Rxd1 23. Rxd1 f4 24. Re1 Bf5 25. b4 h5 26. f3 Bxc5+ 27.
>>>>>Nxc5 Nd4 28. Nb3 Kh7 29. c5 Qg5 30. Nxd4 exd4 31. Qd2 Re3 32. Rxe3 dxe3 33.
>>>>>Qd4 Bg6 34. g3 fxg3 35. h4 Qf5 36. Qxe3 Qf6 37. Bd3 Qxh4 38. Bxg6+ Kxg6 39.
>>>>>Qe8+ Kh6 40. Qh8+ Kg6 41. Qe8+ Kh6 {Game drawn by mutual agreement} 1/2-1/2
>>>
>>>  My Fritz6a finds Kh6 instantly and also Crafty 17.04 about the same. Both
>>>  using Tablebases. But I don't think they were utilizing TB probes. Running
>>>  on K6-3 450 / Hash 128 MB.
>>>
>>>  TP
>>
>>I have fritz6a running on two seperate comps.
>>One has access to F6 Tablebases, the other H732.
>>Neither even look at the tablebases??.
>>Neither finds Kh6 instantly??.
>>On both tablebases is ticked in the engine options.
>>Thanks.
>>
>>Tablebase option is ticked in both comps.
>>Thanks.
>
> I turned off TB's and Fritz finds in 1 second / Crafty in 2 or less. Looks
> about the same with TB on.
>
> TP

But FRitz6a, (or would it be Fritz6.88? I am confused relationship to the
name of the version)  changes the move immediately for Kh7.
Paulo Soares, from Brazil




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