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Subject: Re: 9 interesting positions !!

Author: Marek Soszynski

Date: 05:14:36 07/25/00

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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/



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