Author: Ed Schröder
Date: 00:50:59 02/17/01
Go up one level in this thread
On February 16, 2001 at 22:11:42, James T. Walker wrote: >On February 16, 2001 at 18:01:56, Ed Schröder wrote: > >>On February 16, 2001 at 15:35:40, Lin Harper wrote: >> >>> >>> [D]8/8/8/2p5/R1P5/P5p1/P3K1p1/6k1 w >>> >>> Thanks for the help with FEN, guys. Now for the above position. >>> It's simple enough.. any club strength player would find the >>> right line in a short time. But can your comp find the mate >>> sequence? >> >>Century 3.1 (beta) 8 seconds, PIII-800 >> >>Ed >> >>----------- >> >>Loading... >> >>Engine version : Rebel Century 3.1 >>Hash table size : 60 Mb >> >>8/8/8/2p5/R1P5/P5p1/P3K1p1/6k1 w - - >> >>00:00:00 07.00 10.70 1.Ra7 Kh2 2.Rh7 Kg1 3.Kd2 Kf1 4.Rf7 Kg1 [3602] >>00:00:01 12.00 11.86 1.Ra7 Kh2 2.Rh7 Kg1 3.Kd2 Kf1 4.Rf7 Kg1 5.Rf5 Kh2 6.Rh5 >>Kg1 7.Rxc5 Kf2 8.Rf5 [102493] >>00:00:02 15.00 12.17 1.Ra7 Kh2 2.Rh7 Kg1 3.Kd2 Kf1 4.Rf7 Kg1 5.Ke3 Kh2 6.Rh7 >>Kg1 7.Rh3 Kf1 8.Rxg3 Kg1 9.Ke4 [219091] >>00:00:03 16.00 12.74 1.Ra7 Kh2 2.Rh7 Kg1 3.Kd2 Kf1 4.Rf7 Kg1 5.Ke3 Kh2 6.Rh7 >>Kg1 7.Rh3 Kf1 8.Rxg3 g1=Q [327769] >>00:00:04 17.00 12.74 1.Ra7 Kh2 2.Rh7 Kg1 3.Kd2 Kf1 4.Rf7 Kg1 5.Ke3 Kh2 6.Rh7 >>Kg1 7.Rh3 Kf1 8.Rxg3 g1=Q [401648] >>00:00:06 18.00 17.06 1.Ra7 Kh2 2.Rh7 Kg1 3.Kd2 Kf1 4.Rf7 Kg1 5.a4 Kh2 6.Rh7 >>Kg1 7.a5 Kf2 8.Rf7 Kg1 9.a6 Kh2 10.Rh7 Kg1 11.a7 Kf1 12.a8=Q [480790] >>00:00:08 19.00 Mate in 16 moves Ra7 Kh2 2.Rh7 Kg1 3.Kd2 Kf1 4.Rf7 Kg1 5.a4 Kh2 >>6.Rh7 Kg1 7.a5 Kf2 8.Rf7 Kg1 9.a6 Kh2 10.Rh7 Kg1 11.a7 Kf1 12.Rf7 Kg1 [393665] > > >I'm curious as to why Rebel Century 3.0 reaches 18:00 ply in 2 seconds on my >Athlon 900 but takes 3:03 to go 19 ply and find the mate in 16 ?? >Jim I made some improvements in 3.1 (I hope) as I found that in certain cases pruning was too aggressive in 3.0 which in this case could be the difference. I am not satisfied with 3.1 (beta) yet as the total result doesn't seem to indicate an improvement above 3.0. So back to work... Ed
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