Author: Roy Eassa
Date: 15:59:13 09/27/01
Go up one level in this thread
On September 27, 2001 at 18:47:57, Roy Brunjes wrote: >On September 27, 2001 at 17:07:23, Andy Serpa wrote: > >>I am intrigued by this position from an old book: >> >>[D]rnb2r1k/pp1p2pp/2p1P3/2q1p3/2B3Q1/2N4P/PPP3P1/R1B4K w - - 0 1 >> >> >>In the book, White saves himself with the following manoeuvre: >> >>1. b4 Qxb4 2. Rb1 Qxc3 3. Bh6 gxh6 4. e7 Re8 5. Rf1 >>and white mates in a few moves. >> >> >>I'm curious what a fast computer comes up with in this position... > >Junior 7 sees a mate in 12 in 31 seconds on my Athlon 700MHz (256 MB hash). > >Brunjes,R - Junior 7 >rnb2r1k/pp1p2pp/2p1P3/4p3/2B3Q1/2q4P/P1P3P1/1RB4K w - - 0 1 > >Analysis by Junior 7: > >1.exd7 Qe1+ 2.Kh2 Nxd7 > -+ (-4.79) Depth: 3 00:00:00 >1.e7 Re8 2.Bg5 Qxc2 > -+ (-2.86) Depth: 3 00:00:00 2kN >1.e7 Re8 2.Bb2 Qa5 3.Rf1 Qb4 4.Bxe5 Rxe7 > -+ (-2.90) Depth: 6 00:00:00 14kN >1.e7! > -+ (-2.60) Depth: 9 00:00:00 166kN >1.e7 Re8 2.Bg5 Qa3 3.Qh4 d5 4.Bd3 e4 > -+ (-2.32) Depth: 9 00:00:01 466kN >1.e7! > -+ (-2.02) Depth: 12 00:00:09 3906kN >1.e7! Re8 2.Bh6 gxh6 3.Rf1 Qa3 4.Rf7 Qc1+ 5.Kh2 Qg5 6.Qe4 Qf4+ 7.Rxf4 d5 8.Rf8+ >Kg7 9.Qxe5+ Kg6 10.Bd3+ > +- (#12) Depth: 12 00:00:31 14502kN >1.e7 Re8 2.Bh6 gxh6 3.Rf1 Qa3 4.Rf7 Qc1+ 5.Kh2 Qg5 6.Qe4 Qf4+ 7.Rxf4 d5 8.Rf8+ >Kg7 9.Qxe5+ Kg6 10.Bd3+ > +- (#12) Depth: 12 00:00:32 14861kN You aren't starting from the diagrammed position, are you? Because Black can play 1...Qxe7. Thus I assume you're starting from move 3, following 1. b4 Qxb4 2. Rb1 Qxc3.
This page took 0 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.