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Subject: Re: new test positions

Author: Robert Hyatt

Date: 19:16:35 06/14/02

Go up one level in this thread


On June 14, 2002 at 19:34:52, Andrew Williams wrote:

>On June 14, 2002 at 19:23:40, Jon Dart wrote:
>
>>Here are some new positions from Arasan games I've added to my test suite:
>>
>>Arasan2.60: Best move f5:
>>
>>[D] rn3rk1/pb1p1p1p/1p2pBp1/8/1qPN1P2/8/2QRB2P/4K1R1 w - -
>>
>>Arasan2.61: Best move Bf5:
>>
>>[D] r1b1r1k1/ppq2p1p/3b2pQ/3pn3/8/2P4P/PPBN1PP1/R1B1R1K1 b - -
>>
>>Arasan2.62: Best move f4:
>>
>>[D] rn3rk1/pb2b2p/5p2/2p1qNp1/1p2p1Q1/4B3/PPPN1PPP/R4RK1 w - -
>>
>>These are all pretty hard for Arasan, although not for some programs.
>>
>>Solution times:
>>
>>            Arasan 5.4     Arasan 6.0   PostModernist
>>2.60 f5   378 seconds.   272 seconds       10 seconds
>>2.61 Bf5   40 seconds    140 seconds       95 seconds
>>2.62 f4   114 seconds     89 seconds       1 second
>>
>
>PM runs on an Athlon 1200 with something like 200MB hash tables
>
>Andrew


Position 1 crafty finds f5, +.7 at 8 seconds, fails high to
+1.35 at 16 seconds  (quad xeon)

Position 2 crafty finds Bf5 at 7 seconds, -2.16.  Score up to
-2.77 at 1 minute (13 plies)

Position 3 gets f4 instantly.  Fails high again at +1.00 at depth 6,
.23 seconds,fails high again at 1.5 seconds to +2.5




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