Author: Richard Pijl
Date: 07:53:48 12/15/05
Go up one level in this thread
On December 15, 2005 at 10:08:38, Ernest Bonnem wrote:
>From the German CSS Forum (Frank v/d Muysenberg, 30 July 2005):
>
>[D]r3r1k1/npq1pp1p/6p1/p1P2bN1/5P2/1P4P1/PQ4BP/2R2RK1 w - - 0 1
>
>at the time no program could find 1.g4!
>... except Shredder 6 Paderborn (5 hours on P4-2.53GHz)
>
>6 months later, I am told Fritz 9, on Athlon64-2.4GHz, also gets it , in over 5
>hours.
>
>But look at Rybka, on my "slow" AMD mobile 1.66GHz, 256MB hash:
>
>VP (Default: Very Positional):
>Rybka Beta 107 min Rybka Preview 89 min
>SP (Default: Slightly Positional):
>Rybka Beta 47 min Rybka Preview 47 min
>ST (Default: Slightly Tactical):
>Rybka Beta 125 min
>VT (Default: Very Tactical):
>Rybka Beta 84 min
>
the Baron 1.7.1 beta 4 on a Xeon 2.8 Ghz (single CPU) finds it in just 3
minutes:
ply time nodes score pv
6(12)& 0:01.19 267863 +0.72 Qb2-e5 Qc7xe5 f4xe5 h7-h6 g3-g4
Bf5xg4 (Ng5xf7)
6(12). 0:01.30 294224 +0.72 Qb2-e5 Qc7xe5 f4xe5 h7-h6 g3-g4
Bf5xg4 (Ng5xf7)
7(14)& 0:01.45 331504 +0.87 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 g3-g4
Bf5xg4 Bg2xc6
7(14). 0:02.59 596764 +0.87 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 g3-g4
Bf5xg4 Bg2xc6
8(13)& 0:03.11 715171 +0.87 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 g3-g4
Bf5xg4 Bg2xc6 b7xc6 (Rf1xf7)
8(14). 0:04.48 1038641 +0.87 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 g3-g4
Bf5xg4 Bg2xc6 b7xc6 (Rf1xf7)
9(13)& 0:05.59 1310925 +0.73 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 g3-g4
Bf5xg4 Bg2xc6 b7xc6 Rf1xf7 (h7-h6)
9(14). 0:14.44 3344746 +0.73 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 g3-g4
Bf5xg4 Bg2xc6 b7xc6 Rf1xf7 (h7-h6)
10(15)& 0:16.86 3949156 +0.78 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 Bg2-d5
Re8-d8 Bd5xf7 Kg8-h8 Rc1-c4 Nc6xe5 Rc4-h4
(h7-h5)
10(17). 0:30.31 6858671 +0.78 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 Bg2-d5
Re8-d8 Bd5xf7 Kg8-h8 Rc1-c4 Nc6xe5 Rc4-h4
(h7-h5)
11(16)& 0:42.41 9766539 +0.60 Qb2-e5 Qc7xe5 f4xe5 Ra8-b8 h2-h3
h7-h6 g3-g4 Bf5-d3 Rf1-f3 Bd3-c4 e5-e6
(h6xg5) (Rc1xc4)
11(18). 1:42.86 23655923 +0.60 Qb2-e5 Qc7xe5 f4xe5 Ra8-b8 h2-h3
h7-h6 g3-g4 Bf5-d3 Rf1-f3 Bd3-c4 e5-e6
12(19)& 2:04.89 28996155 +0.74 Qb2-e5 Qc7xe5 f4xe5 Na7-c6 Bg2-d5
e7-e6 Bd5xc6 b7xc6 g3-g4 Bf5xg4 Rf1xf7
h7-h6 (Rf7-f4)
12(19)& 2:59.40 40295255 +0.76 g3-g4 Bf5-d3 Rf1-f3 Ra8-d8 b3-b4
a5-a4 Qb2-e5 Na7-b5 Qe5xc7 Nb5xc7 Rf3xd3
Rd8xd3 (Bg2xb7)
12(20). 3:48.01 50882577 +0.76 g3-g4 Bf5-d3 Rf1-f3 Ra8-d8 b3-b4
a5-a4 Qb2-e5 Na7-b5 Qe5xc7 Nb5xc7 Rf3xd3
Rd8xd3 (Bg2xb7)
13(22)+ 6:34.07 83312030 +1.11 g3-g4 (Bf5-d3) (Rf1-f3) (Ra8-d8) (f4-f5)
(g6xf5) (g4xf5)
13(23)& 10:45.29 131662800 +1.43 g3-g4 Bf5-d3 Rf1-f3 Re8-d8 f4-f5
Qc7-d7 Rf3-h3 Qd7-d4 Qb2xd4 Rd8xd4 f5xg6
h7xg6 Bg2xb7 Rd4xg4 Rh3-g3
13(23). 11:32.68 142674760 +1.43 g3-g4 Bf5-d3 Rf1-f3 Re8-d8 f4-f5
Qc7-d7 Rf3-h3 Qd7-d4 Qb2xd4 Rd8xd4 f5xg6
h7xg6 Bg2xb7 Rd4xg4 Rh3-g3
Richard.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.