Author: Carmelo Calzerano
Date: 06:50:47 05/15/02
Go up one level in this thread
On May 15, 2002 at 07:46:27, Andrew Williams wrote:
>How long does it take your program to see Rxe7! here?
>
>[D]4r1k1/2R1N1b1/8/p7/1p6/6PK/7P/8 b - - bm Rxe7
>
>The game was played at home on my Athlon 1200, but on the Intel PIII-933 here at
>work, it takes postmodernist 25 seconds to see the move.
>
Thanks to some special (and very rudimentary) evaluation code for
Rook vs advanced connected passers, Leila has no problems on this
and finds the solution in about 1.5 sec. on my Athlon 1.1GHz.
The score jumps to +4.05 in about 5 secs, and to +5.48 in less than
12 seconds:
Analysis by Leila 0.53g
Athlon 1.1 GHz; 22 MB Main Hash, no TBS
10 +0.26 1.20 441091 Kg8f8 Ne7g6 Kf8g8 Ng6e7 Re8xe7 Rc7xe7 b4b3
Re7e1 b3b2 Kh3g2 a5a4 Re1b1 a4a3 g3g4
FH: 10 +0.26 1.38 515335 Re8xe7
10 +0.59 1.63 610003 Re8xe7 Rc7xe7 b4b3 Re7e8 Kg8h7 Re8e4 b3b2
Re4e1 Kh7g8 Kh3g2 a5a4 Re1e8 Kg8f7 Re8e1 a4a3
--> 10 +0.59 1.92 721245 Re8xe7 Rc7xe7 b4b3 Re7e8 Kg8h7 Re8e4 b3b2
Re4e1 Kh7g8 Kh3g2 a5a4 Re1e8 Kg8f7 Re8e1 a4a3
++ 11 +0.59 2.39 908233 Re8xe7 Rc7xe7 b4b3 Re7e8 Kg8h7 Re8e4 b3b2
Re4e1 Kh7g8 Kh3g2 a5a4 Re1e8 Kg8f7 Re8e1 a4a3
11 +2.64 2.87 1094763 Re8xe7 Rc7xe7 b4b3 Re7e8 Kg8h7 Re8b8 b3b2
Rb8b5 a5a4 Rb5h5 Kh7g6 Rh5b5 a4a3 Rb5b6 Kg6f5
--> 11 +2.64 3.02 1146059 Re8xe7 Rc7xe7 b4b3 Re7e8 Kg8h7 Re8b8 b3b2
Rb8b5 a5a4 Rb5h5 Kh7g6 Rh5b5 a4a3 Rb5b6 Kg6f5
++ 12 +2.64 3.77 1447600 Re8xe7 Rc7xe7 b4b3 Re7e8 Kg8h7 Re8b8 b3b2
Rb8b5 a5a4 Rb5h5 Kh7g6 Rh5b5 a4a3 Rb5b6 Kg6f5
12 +4.05 5.05 1944750 Re8xe7 Rc7xe7 b4b3 g3g4 a5a4 Re7b7 b3b2 g4g5
Kg8h7 g5g6 Kh7h6 Rb7b4 a4a3 Rb4h4 Kh6xg6 Rh4g4 Kg6f6 Rg4f4
--> 12 +4.05 5.27 2028694 Re8xe7 Rc7xe7 b4b3 g3g4 a5a4 Re7b7 b3b2 g4g5
Kg8h7 g5g6 Kh7h6 Rb7b4 a4a3 Rb4h4 Kh6xg6 Rh4g4 Kg6f6 Rg4f4
++ 13 +4.05 6.51 2572904 Re8xe7 Rc7xe7 b4b3 g3g4 a5a4 Re7b7 b3b2 g4g5
Kg8h7 g5g6 Kh7h6 Rb7b4 a4a3 Rb4h4 Kh6xg6 Rh4g4 Kg6f6 Rg4f4
13 +5.48 11.90 4581756 Re8xe7 Rc7xe7 b4b3 g3g4 a5a4 Re7b7 b3b2 g4g5
a4a3 g5g6 Bg7e5 Rb7b5 Be5d6 Rb5b7
--> 13 +5.48 12.71 4894026 Re8xe7 Rc7xe7 b4b3 g3g4 a5a4 Re7b7 b3b2 g4g5
a4a3 g5g6 Bg7e5 Rb7b5 Be5d6 Rb5b7
Regards,
Carmelo
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.