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Subject: Re: Evans/Pilnick 1947

Author: John Merlino

Date: 21:05:21 08/27/03

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On August 27, 2003 at 01:50:46, Mike Byrne wrote:

>contains a position that has been tested for years -
>
>first the game:
>
>[Event "New York"]
>[Site "?"]
>[Date "1947.??.??"]
>[Round "?"]
>[White "Evans, L."]
>[Black "Pilnick, C."]
>[Result "1-0"]
>[ECO "C13"]
>[PlyCount "57"]
>[EventDate "1947.??.??"]
>
>1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 O-O 8.
>O-O-O c5 9. h4 cxd4 10. Nce2 Nc6 11. f4 Qa5 12. Kb1 d3 13. cxd3 Bd7 14. Rh3
>Rac8 15. Rg3 g6 16. d4 b5 17. h5 Nb4 18. a3 Nc6 19. hxg6 fxg6 20. Nc3 b4 21.
>Bd3 Be8 22. Nf3 bxa3 23. Qxe6+ Bf7 24. Bxg6 axb2 25. Bxh7+ Kh8 26. Qh6 Qa1+ 27.
>Kc2 b1=Q+ 28. Rxb1 Nb4+ 29. Kd1 1-0
>
>Larry Evans took about 30 minutes to make 24.Bxg6 in 1947.  In 1993, the TASC
>R30 reportedly solved this in 19 hours.  Cray Blitz was reportedly able to solve
>this in 1.9 seconds (Source CCR 1995).  Rebel on a P75 took almost 20 minutes
>and still showed a negative score.  HIARCS on a P90 took 1 hour and 5 minutes.
>HIARCS today shows a positive score in <1 minute on my machine.
>
>Evans,L - Pilnick,C
>[d]2r2rk1/p3bb1p/2n1Q1p1/q2pP3/3P1P2/p1NB1NR1/1P4P1/1K1R4 w - - 0 1 ;bm Bxg6!

Majestic Chess, on a P4-2.4, does not find it in under five minutes.

jm




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