Author: Jon Dart
Date: 15:24:26 07/10/04
I have recently modified Arasan so that it can display 2nd and 3rd-best moves for each test position. Using this I have gone through my previously released test suite and some other tests I have collected recently (mostly from Arasan games), and weeded out positions that don't have unique good moves. I also removed some that were too easy. The latest version is at http://www.arasanchess.org/arasan4.epd. Any comments or corrections welcome. Last I ran this, Arasan was getting about 95 out of 115 correct at 60 seconds/move. The last test is interesting and wasn't solved at the 60 second mark: [D] 2kr3r/Rbpnq3/1p1pp3/2P3p1/3P4/2P1P1p1/Q2N1PP1/4KB2 w - - best move Rxb7. Phalanx played this in a test game (Arasan is getting a + score over Phalanx overall in my tests now, but Phalanx is particularly good at tactical shots and is still a tough opponent). --Jon
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