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Subject: Re: Axim PF2 finds stunning Kasparov move in 5 seconds ....

Author: Vincent Diepeveen

Date: 11:16:01 09/30/03

Go up one level in this thread


On September 29, 2003 at 03:31:07, Johan de Koning wrote:

>On September 28, 2003 at 06:38:06, Darren Rushton wrote:
>
>>On September 27, 2003 at 01:29:14, John Merlino wrote:
>>
>>>On September 26, 2003 at 21:22:26, Mike Byrne wrote:
>>>
>>>>http://www.chessbase.com/games/2003/03kaspazmaicrete.htm
>>>>
>>>>[d]r4rk1/4q1pp/pQpbpnp1/3p4/N2P4/4PP2/PP1B2PP/2R1K2R b K - 0 17
>>>>
>>>>17...Ne4! ouch!
>>>
>>
>>Sorry, but how is this a "stunning move"?
>
>The move is stunning because it looks cute.
>The move is stunning because it ends the game.
>The move is stunning because chess programs think it's drawish.

Even single cpu K7 diep doesn't see this as a draw within 1 second :)
After a while black up a pawn.

Needed 0.75 seconds to benchmark DIEPINT=1857142 a second ==> usec50=93
initdataproc0 has for nbytes=350M
Global Shared Transtable=350M for 1 procs local=350M bytes
Local pawnhashsize = 4200K
Local evalhashsize = 34M
Clearing all NUMA hashtables!
Clearing all NUMA hashtables!
putting engine to search errorlevel=0!
00:00      4   0k 0 0 4 (1) 1 (0,0) -3.013 Bd6xh2 Rh1xh2
00:00      7   0k 0 0 7 (1) 1 (0,0) -0.025 Rf8-f7 Rc1xc6
00:00     17   0k 0 0 17 (1) 1 (0,0) 0.409 e6-e5 Rc1xc6
00:00    138   0k 0 0 138 (1) 2 (0,1) -0.002 e6-e5 d4xe5 Bd6xe5 Rc1xc6
++ f8-b8 procnr=0 terug=88 org=[-2;-1] newwindow=[-2;520000]
00:00    252   0k 0 0 252 (1) 2 (0,1) 0.264 Rf8-b8 Qb6xc6
00:00    591   1k 0 0 591 (1) 3 (0,2) 0.796 Rf8-b8 Qb6xc6 e6-e5
00:00  83666  84k 0 0 2510 (1) 4 (0,3) -0.630 Rf8-b8 Qb6xc6 Bd6-b4 Bd2xb4 Qe7xb4
 Ke1-f2
++ e6-e5 procnr=0 terug=-585 org=[-630;-629] newwindow=[-630;520000]
00:00  83733  84k 0 0 5024 (1) 4 (0,3) -0.132 e6-e5 d4xe5 Bd6xe5 Bd2-b4
++ f8-c8 procnr=0 terug=-126 org=[-132;-131] newwindow=[-132;520000]
00:00  88875  89k 0 0 7110 (1) 4 (0,3) -0.116 Rf8-c8 O-O Nf6-d7 Qb6-b3
++ f6-d7 procnr=0 terug=-77 org=[-116;-115] newwindow=[-116;520000]
00:00  92766  93k 0 0 8349 (1) 4 (0,3) 0.001 Nf6-d7 Qb6xc6 Qe7-h4 Ke1-e2
00:00  92360  92k 0 0 13854 (1) 5 (0,4) -0.346 Nf6-d7 Qb6xc6 Qe7-h4 Ke1-e2 Qh4-e
7 Na4-c5 Nd7xc5 d4xc5
++ f8-c8 procnr=0 terug=-307 org=[-346;-345] newwindow=[-346;520000]
00:00  93500  94k 0 0 18700 (1) 5 (0,4) 0.010 Rf8-c8 Rc1xc6 Rc8xc6 Qb6xc6 Ra8-a7

00:00  93437  93k 0 0 47653 (1) 6 (0,5) -0.137 Rf8-c8 Rc1xc6 Rc8-b8 Qb6-a5 Rb8-b
5 Qa5-c3
++ f6-e4 procnr=0 terug=-136 org=[-137;-136] newwindow=[-137;520000]
00:01  95086  95k 0 0 132170 (1) 6 (0,5) 0.001 Nf6-e4 f3xe4 Qe7-h4 Ke1-d1 Qh4-g4
 Kd1-c2 Qg4xe4 Kc2-c3 Qe4xg2 Qb6xc6
00:01  95282  95k 0 0 183895 (1) 7 (0,6) 0.186 Nf6-e4 f3xe4 Qe7-h4 g2-g3 Bd6xg3
Ke1-e2 Qh4-g4 Ke2-d3 Qg4xe4 Kd3-c3
00:05  95613  96k 0 0 546911 (1) 8 (0,7) 0.457 Nf6-e4 f3xe4 Qe7-h4 Ke1-d1 Qh4-g4
 Kd1-c2 Qg4xe4 Kc2-d1 Qe4xg2 Rh1-e1 Qg2xh2 Rc1xc6
00:09  99373  99k 0 0 928148 (1) 9 (0,8) 0.340 Nf6-e4 f3xe4 Qe7-h4 g2-g3 Bd6xg3
Ke1-e2 Rf8-f2 Ke2-d3 Qh4xe4 Kd3-c3 Bg3xh2 Na4-c5
00:25  97869  98k 0 0 2484916 (1) 10 (0,9) 0.550 Nf6-e4 f3xe4 Qe7-h4 g2-g3 Bd6xg
3 Ke1-d1 Qh4xe4 h2xg3 Qe4xh1 Kd1-c2 Qh1-e4 Kc2-d1
00:45  97630  98k 0 0 4408017 (1) 11 (0,10) 0.136 Nf6-e4 f3xe4 Qe7-h4 g2-g3 Qh4-
h5 e4-e5 Bd6xe5 Rh1-f1 Rf8xf1 Ke1xf1 Qh5xh2 d4xe5 Ra8-f8 Kf1-e1 Qh2xg3 Ke1-e2 Qg
3-g4 Ke2-d3 Qg4xa4 Rc1xc6 Qa4xa2 Qb6xa6 Qa2-b3 Bd2-c3
06:56  92533  93k 0 0 38581697 (1) 12 (0,11) 0.946 Nf6-e4 h2-h4 Bd6-g3 Ke1-e2 Bg
3-c7 Qb6xc6 Ne4-g3 Ke2-d3 Ng3xh1 Qc6xc7 Qe7xh4 Bd2-e1 Nh1-f2 Kd3-e2 Rf8-f7

>>Crafty, after 1hrs. worth of thinking sees a draw!
>>
>>Depth:       15      Nodes: 744502161 (195693 n/s)
>>Score:    +0.00      Time:   3804.43 seconds
>>17. ... Ne4 18. fxe4 Qh4+ 19. Kd1 Qg4+ 20. Kc2 Qxe4+ 21. Kd1 Rab8 22. Qa5 Qxg2
>>23. Re1 Qg4+ 24. Kc2 Qe4+ 25. Kd1 Qg4+
>
>Replace 22 ... Qxg2 with Rf2, and see White collapsing within 10 or so plies.
>That's just one of the many variations that Kasparov did not look at. :-)
>
>... Johan



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