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Subject: Re: Is a program able to prepare a winning sacrifice?

Author: Thomas Lagershausen

Date: 14:26:07 01/19/01

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On January 19, 2001 at 16:54:27, Paul wrote:

>On January 19, 2001 at 15:31:11, Thomas Lagershausen wrote:
>
>>In the following game white has a winning knightsacrifice after the important
>>pawnmoves 15.b4! and 16.b5!.Is a program able to find the plan?
>>
>>[Event "40/120"]
>>[Site "?"]
>>[Date "1992.11.25"]
>>[Round "4"]
>>[White "Lagershausen"]
>>[Black "Fidelity Avantgard#6"]
>>[ECO "A21"]
>>[Result "1-0"]
>>
>>1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 Bg4 5. d5 Nce7 6. e4
>>Ng6 7. Be2 Nf4 8. Bxf4 exf4 9. Nd4 Bd7 10. Bg4 Ne7 11. O-O
>>Qc8 12. Bxd7+ Qxd7 13. Qb3 O-O-O 14. Qa3 Kb8 15. b4 g6
>>16. b5 Bg7 17. Nc6+ bxc6 18. bxc6 Nxc6 19. Rab1+ Ka8
>>20. Nb5 Bd4 21. dxc6 Qxc6 22. Nxd4 Qd7 23. Qa6 c5 24. Nb5
>>Rb8 25. Nc3 f5 26. Nd5 fxe4 27. Nb6+ Rxb6 28. Rxb6 Qc8
>>29. Qa4 Qe8 30. Qxe8+ Rxe8 31. Rxd6 1-0
>>
>>Greetings
>>Thomas
>
>My program's main line after half an hour (don't laugh :) is
>15. b4 g5 16. b5 Ka8, and that last move spoils the plan!
>
>But if 15. b4 g6 16. b5 Bg7 it says 17. Nc6+ in 27 seconds ...
>
>Paul

My gratulation to you.Your program plays always the best moves.Every move
deserves an exclamationmark.



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