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Subject: hard test position

Author: Uri Blass

Date: 17:10:21 04/01/04


This is from my correspondence game

How much time does your program need to avoid Qxb2(I played Qc4 and won against
vladimir turkov)

I decided based on analysis that Qc4 is better but I believe that programs can
avoid Qxb2 after many hours of analysis(I found that white has probably a draw
after Qxb2 when Qc4 gives black the better position)

[D]3r1rk1/pp2b1pp/1n3p2/4p3/7Q/2P1B1N1/PP2qPPP/R4RK1 b - - 0 18


Here is the game

[Event "40'/40"]
[Site "Tel-Aviv"]
[Date "2004.03.29"]
[Round "?"]
[White "New game"]
[Black "Yace Paderborn"]
[Result "*"]
[ECO "B22"]
[Annotator "Blass,Uri"]
[PlyCount "78"]
[TimeControl "40/2400:0/0:0/0"]

{64MB, Shredder7.ctg, URI-PC
} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3
Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. O-O Be6 10. Bxe6 Qxe6 11. Nxd4 Nxd4
12. Qxd4 Rd8 13. Qh4 Qe2 14. Nd2 e5 15. Ne4 Be7 16. Bg5 f6 17. Be3 O-O 18. Ng3
Qc4 19. Qh3 g6 20. Rfe1 Rd3 21. Bxb6 axb6 22. Qh6 Rfd8 23. Qc1 b5 24. Re4 Qc7
25. Nf1 f5 26. Re2 e4 27. a3 Kg7 28. Qe1 Qc4 29. Rc2 Bg5 30. Qe2 h5 31. Re1 Qb3
32. g3 h4 33. Rb1 hxg3 34. fxg3 Rf3 35. g4 Qd5 36. c4 Qd4+ 37. Kh1 fxg4 38.
cxb5 e3 39. Ng3 Rf2 *

Uri



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