Author: Dann Corbit
Date: 17:53:18 06/04/01
Go up one level in this thread
On June 03, 2001 at 16:36:28, Aloisio Ponti Lopes wrote:
>AnMon playing with K7-600, 128 MB RAM, 16 MB hash. Time: 2 min. + 12 sec./move
>Ratings: AnMon 2394, Petrovich 1940... how could AnMon loose in such a simple
>attach?
>
>[Event "ICS rated blitz match"]
>[Site "jogo.cex.org.br"]
>[Date "2001.06.03"]
>[Round "-"]
>[White "petrovitch"]
>[Black "AnMon"]
>[Result "1-0"]
>[TimeControl "120+12"]
>
>1. d4 Nf6 2. e3 c5 3. c3 e6 4. Bd3 d5 5. f4 c4 6. Bc2 Bd6 7. Nd2 Nc6 8.
>Ngf3 b5 9. a3 O-O 10. O-O Bb7 11. Ne5 Qb6 12. Qf3 a5 13. Kh1 Ne7 14. g4 h6
>15. h4 Rad8 16. g5 hxg5 17. hxg5 Nh7 18. Bxh7+ Kxh7 19. Qh5+ Kg8 20. Kg2 g6
>21. Qh3 Qxd4 22. exd4 Nf5 23. Rh1 Nh6 24. Qxh6 f5 25. Qh7#
>{AnMon checkmated} 1-0
Try it with crafty. Here are some excerpts from the crafty comments that show a
good deal of effort has been put into solving this:
E:\crafty>grepcarl stonewall *.c
BOOK.C ( 1435): * a stonewall attack type formation.
*
BOOK.C ( 1444): | look for the "stonewall" formation in the pawns and
|
BOOK.C ( 1450): if (PopCnt(BlackPawns & stonewall_black) == 2 &&
BOOK.C ( 1454): if (PopCnt(WhitePawns & stonewall_white) == 2 &&
DATA.C ( 177): BITBOARD stonewall_white;
DATA.C ( 178): BITBOARD stonewall_black;
EVALUATE.C ( 3349): | now look for the "stonewall" formation in the white
|
EVALUATE.C ( 3357): if (PopCnt(BlackPawns & stonewall_black) == 2 &&
EVALUATE.C ( 3359): tree->pawn_score.white_defects_k +=
KING_SAFETY_STONEWALL;
EVALUATE.C ( 3361): if (PopCnt(WhitePawns & stonewall_white) == 2 &&
EVALUATE.C ( 3363): tree->pawn_score.black_defects_k +=
KING_SAFETY_STONEWALL;
INIT.C ( 1360): a stonewall type pawn formation.
INIT.C ( 1362): stonewall_white = SetMask(D4) | SetMask(F4);
INIT.C ( 1365): stonewall_black = SetMask(D5) | SetMask(F5);
MAIN.C ( 1882): * bits. added code to EvaluatePawns() to
detect the Stonewall *
MAIN.C ( 1884): * reversed Stonewall formation (for black) and
doesn't like it as *
MAIN.C ( 2726): * that the opponent has a "stonewall pattern"
set up (IE crafty *
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