Author: Peter Kappler
Date: 23:28:27 06/08/02
Go up one level in this thread
On June 09, 2002 at 01:00:30, Will Singleton wrote: >On June 09, 2002 at 00:28:44, Peter Kappler wrote: > >>On June 08, 2002 at 23:47:41, Will Singleton wrote: >> >>>[D]4Q3/1q3ppk/2Nb4/1p4pb/2n5/2P4P/1P3PP1/R5K1 b - - >>> >>>Amateur 2 plays Qc7 at 70 sec. The first amateur program who can beat this >>>time, or find a better move, gets a copy of Hsu's new book, when available. >>>Must be submitted by the author. >>> >> >>Grok switches from Nxb2 to Bc5 after 50 seconds, and starts returning a >>drawscore at ply 10. Don't know if Bc5 is better than Qc7... >> >> 5 13 1.562s 152296 98knps Nxb2 g4 Bg6 Ra8 Kh6 Qh8+ Bh7 >> 5 13 1.572s 153126 97knps Nxb2 g4 Bg6 Ra8 Kh6 Qh8+ Bh7 >> 6 13 1.743s 190077 109knps Nxb2 g4 Bg6 Ra8 Kh6 Qh8+ <h1> >> 6 13 2.814s 419714 149knps Nxb2 g4 Bg6 Ra8 Kh6 Qh8+ <h1> >> 7 5 5.017s 956621 191knps Nxb2 Ra8 g4 Ra7 Qb6 hxg4 Nd3 >> 7 5 7.932s 1629265 205knps Nxb2 Ra8 g4 Ra7 Qb6 hxg4 Nd3 >> 8 11 10.585s 2267711 214knps Nxb2 Ra8 g4 Ra7 Qb6 hxg4 Bg6 Qd7 >> 8 11 14.411s 3262810 226knps Nxb2 Ra8 g4 Ra7 Qb6 hxg4 Bg6 Qd7 >> 9 -1 50.322s 13361462 266knps Bc5 Ra8 Qc7 Qh8+ Kg6 Rg8 f5 b4 Bd6 Rc8 >> 9 -1 80.095s 20862554 260knps Bc5 Ra8 Qc7 Qh8+ Kg6 Rg8 f5 b4 Bd6 Rc8 >> 10 0 119.101s 32176831 270knps Bc5 Ra8 Qc7 Qh8+ Kg6 Rg8 Bxf2+ Kxf2 >>Qf4+ Kg1 Qc1+ Kh2 Qf4+ <h2> >> >>Hardware: AMD 1.4 GHz >> >>-Peter > >You win. I tested other engines on this, Yace, Pepeito, Leila, Beowulf, and >Sjeng. Nothing close to your result. > >btw, I noticed Grok seemed pretty strong on ICC the other month. Any plans to >release it? Did you do a rewrite? > Last Fall I did a major overhaul of the evaluation. It resulted in a much more agressive playing style for Grok. Too aggressive, in fact. I'm still trying to find the right balance, but haven't had much time to work on it lately. (My wife and I had our first child in April!) >Will > >ps (you'll get the book when it's available from amazon) Thanks, but it looks like Sjeng found Bc5 in 6 seconds, so I think the prize should go to GCP. -Peter
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