Author: Jonas Cohonas
Date: 12:55:12 04/22/01
Go up one level in this thread
On April 22, 2001 at 15:22:03, Christophe Theron wrote: >On April 22, 2001 at 09:57:10, leonid wrote: > >>Hi! >> >>If you want to solve one mate and say your result, then this is the position: >> >>[D]2R2bNn/Rp1n1k1b/1q1ppB1p/1Np1p1p1/2P1P2P/3P2PB/4Q2K/8 w - - >> >>If you program says nodes/per/second, please indicate it for this position. >> >>I recently was impressed by very high NPS that Rebel 10 demonstrated when I >>tried to solve few mate positions on it. Search was done by brute force. On >>Celeron 600Mhz (hash off) NPS was around 500000 nps. Also I installed recently >>NPS counter in my mate solver and this is from where my curiosity come. To my >>surprise, my NPS is usually well below of Rebel's numbers. >> >>If you have, beside your own program, any professional chess program and you can >>indicate also its NPS, please do this. >> >>Thanks for your numbers, >>Leonid. > > > >On a K6-2 450MHz, 6Mb hash tables: > >00:00:01.4 Mate in 6 7 161394 Bxe6+ Kxe6 Qg4+ Kf7 Qxd7+ Kg6 g4 h5 Rxf8 hxg4 >Qf5+ Kh5 Qxh7# > >Tiger says mate in 6 after the key move (Bxe6+) has been played, so it is >actually a mate in 7. Please do not complain again for this. :) > > > > Christophe New position 2R2bNn/Rp1n1k1b/1q1ppB1p/1Np1p1p1/2P1P2P/3P2PB/4Q2K/8 w - - 0 1 Deep Fritz needs 4 seconds with a nodecount of 1231 kN/s 1.3ghz T-bird 512 ram Analysis by Deep Fritz: 1.Rxf8+ Nxf8 +- (7.66) Depth: 1/8 00:00:00 1.Bxh8! +- (8.03) Depth: 1/8 00:00:00 1.Bxh8! Bxg8 +- (9.03) Depth: 1/8 00:00:00 1.Qh5+! +- (9.19) Depth: 1/11 00:00:00 1.Qg4! +- (9.22) Depth: 1/16 00:00:00 1.Qg4! +- (9.53) Depth: 2/23 00:00:00 4kN 1.Qg4! d5 2.hxg5 +- (9.75) Depth: 2/24 00:00:00 7kN 1.Qf1! +- (9.78) Depth: 2/24 00:00:00 10kN 1.Qf2! +- (9.81) Depth: 2/27 00:00:00 15kN 1.Qf2! Kxg8 +- (9.88) Depth: 2/27 00:00:00 18kN 1.Qf3! +- (9.91) Depth: 2/27 00:00:00 19kN 1.Qf3! Kxg8 +- (9.97) Depth: 2/27 00:00:00 21kN 1.Bd8! +- (10.09) Depth: 2/27 00:00:00 21kN 1.Bd8! Qxa7 2.Nxa7 +- (10.53) Depth: 2/27 00:00:00 24kN 1.Bd8 Qxa7 2.Nxa7 Bxg8 +- (10.53) Depth: 3/16 00:00:00 25kN 1.Bd8 Qxa7 2.Nxa7 Bxg8 3.hxg5 +- (10.53) Depth: 4/23 00:00:00 38kN 1.hxg5! +- (10.56) Depth: 4/27 00:00:00 94kN 1.hxg5! Nxf6 2.Nxf6 Bg6 3.gxh6 +- (10.69) Depth: 4/27 00:00:00 102kN 1.hxg5! +- (11.00) Depth: 5/24 00:00:00 119kN 1.Rc7! +- (11.03) Depth: 5/30 00:00:00 182kN 1.Rc7! Qxc7 2.Nxc7 Nxf6 3.Bxe6+ Kg6 4.Nxf6 +- (11.34) Depth: 5/30 00:00:00 235kN 1.Bxe6+! +- (11.41) Depth: 5/30 00:00:00 291kN 1.Bxe6+! Kxe6 2.Qg4+ Kf7 3.Qxd7+ Kg6 4.Qf5+ Kh5 5.Qxh7 +- (13.25) Depth: 5/30 00:00:00 296kN 1.Bxe6+! +- (13.56) Depth: 6/24 00:00:00 301kN 1.Bxe6+! Kxe6 2.Qg4+ Kf7 3.Qxd7+ Kg6 4.Qe8+ Nf7 5.h5+ Kxh5 +- (15.16) Depth: 6/27 00:00:00 325kN 1.Qh5+! +- (15.19) Depth: 6/30 00:00:00 398kN 1.Qh5+! +- (15.50) Depth: 7/27 00:00:00 627kN 1.Qh5+! Ng6 2.Rxb7 Qxb5 3.cxb5 Bxg8 4.Rxd7+ Be7 5.Bxe7 +- (19.06) Depth: 7/34 00:00:01 1212kN 1.Bxe6+! +- (19.09) Depth: 7/34 00:00:01 1296kN 1.Bxe6+! Kxe6 2.Qg4+ Kf7 3.Qxd7+ Kg6 4.g4 Bxg8 5.Bxh8 h5 +- (#7) Depth: 7/34 00:00:04 6065kN (, MyTown 23.04.2001)
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.