Author: Pierre Bourget
Date: 06:24:50 03/28/03
Go up one level in this thread
On March 27, 2003 at 21:12:39, William Kerr wrote: >[D]8/3p1p2/5Ppp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - - bm Nc3;id #1097 mate in 4 >very-very tough; > > >Very tough mate in 4 for some engines. > >This position may have been posted before. > > >Morphy run on a Great Game Machine 6502 at 2 Mhz >Pocket Fritz 1.0 on a Cassiopeia E125 MIPS @ 150 Mhz >All others run on a PC - PII 300, 256Mbytes Ram. > >The small m seen below stands for mate. > >cm9k 6:14 m11, 8:51 m6, 9:59 m4 >fritz532 3:21 m8 Nc3 >crafty no solve in 8 Min >pocket genius 3 min no solve >pocket fritz < 44 sec >pocket grandmaster 6 min Ne3 +12.26 12/51 >yace < 7 min m11, 26:30 m4 >extreme 2:54 m6 16/34 >ruffian10 no solve 6 min >Ruffian 101 > 6 min < 10 Min mate found >doctor3 15 sec m4 >bringer 15 min no solve >sargon4 5 sec m4 >rebel10 17 sec m6, 37 sec m4 >lg2kv2.7 10 min no solve >uscf 5 sec >wkchess 33 sec >morphy 5:27 > >Enjoy > >Bill What is the source and author please . Pierre
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