Author: Robert Hyatt
Date: 06:21:01 07/26/00
Go up one level in this thread
On July 26, 2000 at 00:55:03, Dann Corbit wrote:
>On July 25, 2000 at 23:57:15, Robert Hyatt wrote:
>>On July 25, 2000 at 14:08:27, Dann Corbit wrote:
>>>On July 24, 2000 at 12:13:08, Côme wrote:
>>>>
>>>>Hello there are 9 interesting positions for chess programs:
>>>>
>>>>r1bq1rk1/ppp3pp/2np4/4pp2/N1P1P3/3P2P1/PP2NKBP/R1BQ4 b - - bm f4!; >2r1rb1k/3q1ppb/p2p4/1pn1p3/4P1QB/1PP1R2P/P3NPB1/3R2K1 w - - bm Ng3!;
>>>
>>>I am running each of these at long time control. Crafty does not get #2, and
>>>prefers instead:
>>>[D] 2r1rb1k/3q1ppb/p2p4/1pn1p3/4P1QB/1PP1R2P/P3NPB1/3R2K1 w - - acd 16; acn
>>>1697164647; bm Ng3; ce -13; pv Qxd7 Nxd7 Bf3 Rc7 Bg4 f6 Bh5 Rb8 Bg4 Nc5 f3 a5
>>>Bh5 Kg8 b4 axb4 cxb4 Ne6; id "Côme #2";
>>>
>>>I would be interested to see the output of other engines at long time control
>>>for position #2.
>>>
>>>>5b1k/2r2bp1/2rp1p2/1p2pB1P/pPn1PP2/2P4R/P6B/2NRK3 w - - bm fxe5!;
>>>>2rqkb1r/1b1n1ppp/pn1pp3/1p6/3NP1P1/2NBBP2/PPP2Q1P/1K1R3R b k - bm Rxc3!;
>>>>r1b3k1/1p4pp/pn3r2/2bpq3/3N4/PP2B1P1/2PQ2BP/R3KR2 b Q - bm Bg4!;
>>>>r5k1/1p4pp/pn3r2/2bpqb2/P2N4/1P2B1P1/2PQ2BP/R3KR2 b Q - bm Rc8!;
>>>>rn1q1rk1/pp1n1p2/3bp1p1/2pp2Pp/5N1P/1P1PP3/PBPNQP2/R3K2R w KQ - bm Nxh5!;
>>>>r1b2rk1/pp4p1/4pb1B/2P5/Pq2B3/1P6/2QP1P2/2KR2R1 w - - bm Rxg7!;
>>>>2k5/8/4p3/1p2q3/2p1P3/2P1Q1P1/5P2/6K1 b - - bm b4!;
>>>>
>>>>Best Regards
>>>>Alexandre Côme
>>
>>
>>My current version gets it pretty quickly. The only one it doesn't get is
>>Rxc3, but that is a book move so in a game, that would be played, good or
>>bad...
>
>hmmmm...
>
>From my reading of the main.c, I supposed that you did basically nothing with
>the eval for 17.12 (which is why I have not even bothered to port it). I assume
>that you are talking about 17.13 ("My current version gets it pretty quickly")?
right... although there are a couple of eval changes in 17.13, I am surprised
it makes any real difference here...
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