Author: Eelco de Groot
Date: 13:45:49 12/17/04
Go up one level in this thread
On December 17, 2004 at 15:58:11, John Merlino wrote:
>On December 17, 2004 at 12:11:38, Thorsten Czub wrote:
>
>>[Event "World Computer Chess Championship"]
>>[Site "Ramat-Gan"]
>>[Date "2004.07.06"]
>>[EventDate "2004.??.??"]
>>[Round "3"]
>>[Result "0-1"]
>>[White "Diep"]
>>[Black "Deep Junior"]
>>[ECO "D20"]
>>[WhiteElo "?"]
>>[BlackElo "?"]
>>[PlyCount "54"]
>>
>>1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bd3 Nc6 7. Be3 Nb4 8.
>>Be4 f5 9. exf6 exf6 10. a3 f5 11. axb4 fxe4 12. Nc3 Be6 13. Nh3 Qd7 14. Nf4 Be7
>>15. Nxe6 Qxe6 16. d5 Qg6 17. O-O O-O 18. Bc5 Rae8 19. Rxa7 Nc4 20. Qe2 Bxc5 21.
>>bxc5 Ne5 22. Rxb7 Nf3+ 23. Kh1 Re5 24. Ra1 Rh5 25. h3 Qg4 26. Qf1 Ng5 27. Rxc7
>>Nxh3 0-1
>>
>>
>>
>>Diep - Deep Junior
>>
>>[D] r4rk1/ppp1b1pp/1n4q1/2BP4/1P2p3/2N5/1P3PPP/R2Q1RK1 b - - 0 1
>>
>>Analysis by Junior 9 (AMD2400+, analysis mode, 160 MB hash):
>>
>>18...Tae8 19.Te1 Df5 20.Sxe4 Sxd5 21.f3 a6 22.Lxe7 Txe7 23.Ta5 Te5 24.Dd4
>>² (0.39) Tiefe: 17 00:12:36 978346kN
>>(, MyTown 17.12.2004)
>>
>>Cool. it really plays Rae8.
>>All my other chess programs play e.g. Bd6.
>>
>>Even computing on 22.Nf3+ many chess programs do not understand anything.
>>E.g. let S8 compute over Nf3 and the following position and you will see that
>>this is a difficult position.
>>
>>Why is Junior9 giving the a-pawn ?
>>And why is is not expecting white to take a7.
>>Why do other programs eat a7 and do not understand the speculative attack ?
>
>Incredible move -- very well played.
>
>Out of curiosity, would 24.Qe3 have held for White?
>
>CM9_R1 generally follows the game's moves after 18...Rae8. But after 23...Re5 we
>have:
>
>24.Qe3 Qg4 25.gxf3 Qh3 26.Rg1 Rh5 27.Rg2 exf3 28.Qe6+ Qxe6 29.dxe6 fxg2+ 30.Kxg2
>
>leading to a Rook v Knight endgame which may give White drawing chances. I
>didn't have time to work it through to a potential conclusion....
>
>Thoughts?
>
>jm
Hi John,
I came to the following lines and could not find a drawing line for White:
[Event "WCCC 2004"]
[Site "Bar-Ilan University, Ramat-Gan, Israel"]
[Date "6/7/2004"]
[Round "3"]
[White "Diep"]
[Black "Deep Junior"]
[Result "0-1"]
[Opening "D20"]
1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bd3 Nc6 7. Be3 Nb4 8. Be4
f5 9. exf6 exf6 10. a3 f5 11. axb4 fxe4 12. Nc3 Be6 13. Nh3 Qd7 14. Nf4 Be7 15.
Nxe6 Qxe6 16. d5 Qg6 17. O-O O-O 18. Bc5 Rae8 19. Rxa7 Nc4 20. Qe2 Bxc5 21. bxc5
Ne5 22. Rxb7 Nf3+ 23. Kh1 Re5 24. Ra1 {A blunder but the game is lost for White
anyhow} {24. Qe3 Rh5 = leads to draw by perpetual check ( 24... Qg4 25. gxf3 Qh3
26. Rg1 Rh5 27. Rg2 exf3 28. Qe6+ Qxe6 29. dxe6 fxg2+ 30. Kxg2 Rxc5 31. Nb5 Rc2
32. Nxc7 Rcxf2+ 33. Kg1 Re2 34. Ra7 h5 35. b4 Rf4 36. Nd5 Rd4 37. Nc3 Rxe6 -+
Pro Deo S&D 6_7e3 resigns..) } 24... Rh5 25. h3 Qg4 26. Qf1 Ng5 27. Rxc7 Nxh3
0-1
http://f50.parsimony.net/forum200336/messages/3781.htm
Eelco
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