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Subject: Re: How long to find White's winning move?

Author: Gian-Carlo Pascutto

Date: 03:21:59 01/03/02

Go up one level in this thread


On January 02, 2002 at 18:29:56, Roy Eassa wrote:

>How long does it take your program/engine to find White's winning move (and to
>achieve a score that shows the program understands that White is winning)?
>
>[D] r4b1k/pp3Ppp/n1p5/2q1B3/2r5/6RP/PP2Q1P1/5R1K w - - 0 1

Athlon XP 1800

[...]
 7    -142   308   973417  Rg5 !!
 7     -22   473  1561200  Rg5 Rc2 Qe1 Nc7 Bxg7+ Bxg7 Rxc5 Rxc5 Qe7 Bf8
 7     -22   473  1561200  Rg5 Rc2 Qe1 Nc7 Bxg7+ Bxg7 Rxc5 Rxc5 Qe7 Bf8
 7     -22   703  2340971  Rg5 Rc2 Qe1 Nc7 Bxg7+ Bxg7 Rxc5 Rxc5 Qe7 Bf8
 8     -44   901  3041587  Rg5 Rc1 Bxg7+ Bxg7 Rxc5 Rxf1+ Qxf1 Nxc5 b4 Na6 b5
cxb5 Qxb5
 8     -44   901  3041587  Rg5 Rc1 Bxg7+ Bxg7 Rxc5 Rxf1+ Qxf1 Nxc5 b4 Na6 b5
cxb5 Qxb5
 8     -44  1588  5129676  Rg5 Rc1 Bxg7+ Bxg7 Rxc5 Rxf1+ Qxf1 Nxc5 b4 Na6 b5
cxb5 Qxb5
 9     -11  2291  7625301  Rg5 Rc1 Bxg7+ Bxg7 Rxc5 Rxf1+ Qxf1 Nxc5 Qf5 Na4 b3
Nc3 a3
 9     -11  2291  7625301  Rg5 Rc1 Bxg7+ Bxg7 Rxc5 Rxf1+ Qxf1 Nxc5 Qf5 Na4 b3
Nc3 a3
 9     -10  4186 13703197  b4 !
 9       6  4636 15218783  b4 !!
 9     181  6564 20556560  b4 Nxb4 Qb2 h6 Bxg7+ Kh7 Bxf8 Qxf8 Rg8 Qxg8 fxg8=Q+
Kxg8 a3 Nc2 Qxb7 Nxa3
 9     181  6564 20556560  b4 Nxb4 Qb2 h6 Bxg7+ Kh7 Bxf8 Qxf8 Rg8 Qxg8 fxg8=Q+
Kxg8 a3 Nc2 Qxb7 Nxa3
 9     181  6624 20744804  b4 Nxb4 Qb2 h6 Bxg7+ Kh7 Bxf8 Qxf8 Rg8 Qxg8 fxg8=Q+
Kxg8 a3 Nc2 Qxb7 Nxa3
10     231  7481 23372207  b4 !!
10     319 15550 46674975  b4 Rxb4 Rg5 h6 Qh5 Qxe5 Rxe5 Rd8 Qe2 Nc7 Re1 Rbd4
10     319 15550 46674975  b4 Rxb4 Rg5 h6 Qh5 Qxe5 Rxe5 Rd8 Qe2 Nc7 Re1 Rbd4

42 seconds (+2 up)

--
GCP



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