Author: Roy Eassa
Date: 09:36:39 04/18/02
Go up one level in this thread
On April 18, 2002 at 12:18:43, John Merlino wrote: >On April 18, 2002 at 12:09:17, Roy Eassa wrote: > >>On April 18, 2002 at 09:44:40, Art Basham wrote: >> >>>I wonder what program is the first to find >>>1. Qa8...?! >>> >>>[D]3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - bm Qa8; id Quick-03; >> >> >>CHEST finds the (one and only) mate in 9 in just a few seconds: >> >>3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - acn 1306981; acs 5; bm Qa8; ce 32750; dm >> 9; pv Qa8 Bxa8 Nb7 d5 Nd6 d4 e4 Bc6 a7 Bb5+ Nxb5 d3 e5 d2 a8=Q+ d5 exd6ep#; > >Incorrect, there are many Mate in 9 sequences -- see my post for three of them. By "one and only" I mean there is only one FIRST move (the "key") that leads to mate in 9. (Rarely would you see one and only one variation!) In a composed problem, that's what makes it "correct" and not "cooked".
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.