Author: Peter McKenzie
Date: 16:12:42 07/01/99
Go up one level in this thread
On June 30, 1999 at 13:49:50, Andrew Williams wrote:
>This position occurred in a game between PostModernist and ArasanX on ICC.
>(NB ArasanX's notes say that it is an experimental version of Arasan, which
>may be weaker than the latest release - I mention this because this is the
>only game PM has won against ArasanX on ICC). The reason it caught my
>attention is that White seems (at least to me, a very weak player) to have
>almost no advantage. Although there's an advanced passed pawn, it seems to
>be well-marshalled by Black.
>
>The position that interests me occurs after Black's 29th move:
>
>4k3/1p4p1/2pbP2p/2Rn4/8/r2P2Pq/4QP1P/4R1K1 w - - 0 30
>
>It turns out that this position is completely won for White. My program found
>what looks to be the best move (Rxd5) in 40 seconds - this with the benefit
>of the TT being full of information from previous searches. From a "standing
>start", it takes 46 seconds. On my machine, crafty v16.7 takes 32 seconds.
>I'm interested to know how long it takes other programs to find Rxd5!, or
LambChop takes 1sec on P133 using 1mb hash
>any other crushing move. I'm also interested in what static value your programs
>place on the Pawn on d6 (mine thinks it's worth 1.88 pawns).
>
>
>The full game is:
>
>[Event "ICS rated blitz match"]
>[Site "207.99.83.229"]
>[Date "1999.06.29"]
>[Round "-"]
>[White "PostModernist"]
>[Black "ArasanX"]
>[Result "1-0"]
>[WhiteElo "2578"]
>[BlackElo "2546"]
>[TimeControl "600+5"]
>
>1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 h6 7. a3 a5 8. O-O
>O-O 9. e3 Bb6 10. Qe2 Bf5 11. Re1 Qd7 12. Na4 Ba7 13. Nc3 Bh3 14. Bxh3 Qxh3
>15. b3 Bc5 16. Bb2 Ra6 17. Nb5 Bb6 18. c5 dxc5 19. Bxe5 Nxe5 20. Nxe5 c6
>21. Nd6 Bc7 22. Nexf7 Rxf7 23. Nxf7 Kxf7 24. Rac1 Ke8 25. e4 a4 26. bxa4
>Rxa4 27. e5 Nd5 28. Rxc5 Rxa3 29. e6 Bd6 30. Rxd5 cxd5
>{ArasanX resigns} 1-0
>
>
>Best regards,
>
>Andrew Williams
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