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Subject: Re: 9 interesting positions !!

Author: Robert Hyatt

Date: 12:30:22 07/26/00

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On July 26, 2000 at 00:11:12, Robert Hyatt wrote:

>On July 25, 2000 at 14:04:14, Ed Schröder wrote:
>
>>On July 25, 2000 at 08:14:36, Marek Soszynski wrote:
>>
>>>On July 25, 2000 at 07:10:50, Shep 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!;
>>>>>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!;
>>>>
>>>>Just gave some of these a quick shot with DJ6a on a dual PIII-600:
>>>>Rxc3 was not found in 10:00
>>>>Nxh5 was found in 0:25
>>>>Rxg7 was found in 0:39
>>>>
>>>>---
>>>>Shep
>>>
>>>PIII 450
>>>44MB hash
>>>
>>>Process test suite settings:
>>>Maximum time=1800s
>>>Extra ply=4
>>>
>>>   Fritz  Junior
>>>   6a     6a
>>>
>>>#1 39s    282s
>>>#2 1s*    >1800s
>>>#3 >1800s 277s
>>>#4 >1800s >1800s
>>>#5 482s   8s
>>>#6 4s     32s
>>>#7 1s     59s
>>>#8 225s   77s
>>>#9 237s   243s
>>>
>>>*This is the time for Extra ply=4, but later Fritz keeps changing its mind.
>>>
>>>_______________
>>>
>>>Marek Soszynski
>>>Sutton Coldfield Chess Club
>>>http://www.brum2000.swinternet.co.uk/
>>
>>Interesting suite. Latest Rebel:
>
>I'll add crafty in this same format:
>
>
>>
>>   Fritz  Junior        Rebel     crafty 17.13
>>   6a     6a
>>
>>#1 39s    282s          132s          108s
>>#2 1s*    >1800s       >900s           43s
>>#3 >1800s 277s           46s           82s (likes it instantly, but changes)

I should have been clearer.  It likes it instantly, but changes to something
else.  It changes back at 82 seconds and sticks with the suggested move from
that point forward...




>>#4 >1800s >1800s       >900s         >600s
>>#5 482s   8s            407s            4s
>>#6 4s     32s           809s            2s
>>#7 1s     59s             7s           21s
>>#8 225s   77s            22s           18s
>>#9 237s   243s         >900s           53s
>>
>>Athlon 600, 60 Mb hash. Max time 900s.
>>
>>Ed
>
>
>Quad xeon/550mhz, hash=192M, hashp=32m, tablebases active.



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