Author: Ulrich Tuerke
Date: 14:28:27 12/02/02
Go up one level in this thread
> >[D]7k/p3Qp1p/1p2n3/4nqP1/2P5/2P3R1/P5RP/3r2BK w - - > Comet B54 (on k7-2k) likes Qxa7 Analysis by Comet B54: ... 1.Qxa7 Nxc4 2.Qa4 Qd5 3.Qe8+ Kg7 4.Rg4 +- (3.23) Depth: 6/18 00:00:00 176kN 1.Qxa7 Nf4 2.Qa8+ Kg7 3.h4 +- (3.25) Depth: 6/20 00:00:00 276kN 1.Qxa7 Nf4 2.Qa8+ Kg7 3.h4 +- (3.24) Depth: 7/20 00:00:00 353kN 1.Qxa7 Nf4 2.Qa8+ Kg7 3.h4 +- (2.97) Depth: 7/30 00:00:01 1091kN 1.Qxa7 Nf4 2.Qb8+ Kg7 3.Qxb6 Qxg5 +- (2.97) Depth: 7/30 00:00:02 1537kN 1.Qxa7 Nf4 2.Qb8+ Kg7 3.Qxb6 Qxg5 +- (2.97) Depth: 8/30 00:00:03 1804kN 1.Qxa7 Nf4 2.g6 hxg6 3.Qb8+ Kg7 4.Rg5 +- (3.04) Depth: 8/32 00:00:04 3192kN 1.Qxa7 Nf4 2.g6 hxg6 3.Qb8+ Kg7 4.Rg5 Rxg1+ 5.Rxg1 Qe4+ 6.R1g2 Nxg2 7.Rxe5 +- (3.04) Depth: 9/32 00:00:08 6032kN 1.Qxa7 Nf4 2.Qe7 Neg6 3.Qe8+ Kg7 4.Rb2 Ne5 5.h4 Nh5 6.Rgg2 Nxc4 +- (3.16) Depth: 9/34 00:00:12 8802kN 1.Qxa7 Nf4 2.Qe7 Neg6 3.Qe8+ Kg7 4.Rb2 Ne5 5.Qa4 Qe4+ 6.Rf3 Nxf3 7.Qxd1 Nxg1+ 8.Kxg1 Qxc4 +- (3.15) Depth: 10/34 00:00:17 11903kN 1.Qxa7 Qe4 2.Qxb6 Nf3 3.Rxf3 Qxf3 4.Qf2 Nxg5 5.Qxf3 Nxf3 6.c5 Rd7 +- (3.00) Depth: 10/36 00:00:44 30785kN 1.Qxa7 Qe4 2.Qxb6 Nf3 3.Rxf3 Qxf3 4.Qf2 Nxg5 5.Qxf3 Nxf3 6.Rg8+ Kxg8 7.h4 +- (2.99) Depth: 11/38 00:01:49 76277kN 1.Qxa7 Qe4 2.Qxb6 Nf3 3.Rxf3 Qxf3 4.Qb8+ Kg7 5.Qe5+ Kg6 6.Qe2 Qxe2 7.Rxe2 Kxg5 +- (2.98) Depth: 11/38 00:03:16 136180kN > >[D]8/p4pkp/1p2n3/2P1n1P1/8/1QP3R1/P5RP/2qr2BK b - - > It takes Comet 3.5 minutes to find Nf4 1...Nxc5 2.Qb5 Rxg1+ 3.Rxg1 Qxg1+ 4.Rxg1 Ned3 ± (1.33) Depth: 6/19 00:00:00 74kN 1...Nxc5 2.Qb5 Rxg1+ 3.Rxg1 Qxg1+ 4.Rxg1 Ned3 +- (1.60) Depth: 6/19 00:00:00 108kN 1...Nxc5 2.Qb5 Re1 3.Re2 +- (1.86) Depth: 6/19 00:00:00 168kN 1...Nxc5 2.Qb5 +- (1.86) Depth: 7/25 00:00:00 233kN 1...Nxc5 2.Qb5 Ncd3 3.Qe8 Qa3 4.Qa8 Qa4 +- (1.62) Depth: 7/26 00:00:00 298kN 1...Nxc5 2.Qb5 Ncd3 3.Qe8 Qa3 4.Qa8 Qa5 5.Rc2 +- (1.63) Depth: 8/26 00:00:01 490kN 1...Nxc5 2.Qb4 Kg8 3.Qh4 Rd3 4.Rh3 Rxh3 5.Qxh3 +- (1.89) Depth: 8/39 00:00:04 2142kN 1...Nxc5 2.Qb4 +- (1.89) Depth: 9/39 00:00:05 2718kN 1...Nxc5 2.Qb4 Kg8 3.Re2 Nf3 4.Re8+ Kg7 5.Qg4 Nxg1 6.Rxg1 Rxg1+ 7.Qxg1 Qxc3 +- (1.65) Depth: 9/39 00:00:06 3519kN 1...Nxc5 2.Qb4 Kg8 3.Qh4 Ng6 4.Qg4 Ne5 5.Qc8+ Kg7 +- (1.66) Depth: 10/39 00:00:13 7192kN 1...Nxc5 2.Qb4 Kg8 3.Rh3 Ng6 4.Qb5 Ne6 5.Qe8+ Kg7 6.Rhg3 Ne5 +- (1.73) Depth: 10/39 00:00:40 24629kN 1...Nxc5 2.Qb4 Kg8 3.Rh3 Ng6 4.Qb5 Re1 5.Qc6 Nf4 6.Qc8+ Kg7 7.Rc2 +- (1.73) Depth: 11/39 00:00:56 35020kN 1...Nxc5 2.Qb4 Kg8 3.Rh3 Ng6 4.Qb5 Re1 5.Qc6 Kg7 +- (1.73) Depth: 11/39 00:01:13 46216kN 1...Nxc5 2.Qb4 Kg8 3.Qb5 Qf4 4.Qe2 Rc1 5.Re3 Rxg1+ 6.Rxg1 Qxg5 +- (1.74) Depth: 12/39 00:02:23 93259kN 1...Nf4 2.Rc2 Rxg1+ 3.Rxg1 Qe3 4.cxb6 Nf3 5.Rf1 Nd2 6.Qa4 Nxf1 7.Rg2 +- (1.73) Depth: 12/39 00:03:32 146091kN, tb=2 >This is the game after Nf4 Rc2 Rxg1 Rxg1 Qe3. >How long for your engine to show a draw score here? Warp's score drops to +0.3 >at depth 12, in about 3.5 minutes. Comet is bloody slow here: 9 minutes to drop to 0.08. I wasn't patient enough to wait for the 0.0 1.cxb6 axb6 2.Qxf7+ Nxf7 3.Rgg2 +- (3.12) Depth: 6/16 00:00:00 67kN 1.cxb6 Qe4+ 2.Rcg2 Nxg2 3.Qxf7+ Nxf7 4.bxa7 +- (2.85) Depth: 6/22 00:00:00 156kN 1.cxb6 Qe4+ 2.Rcg2 Nxg2 3.Qxf7+ Nxf7 4.bxa7 +- (2.32) Depth: 6/22 00:00:00 208kN 1.cxb6 Qf3+ 2.Rcg2 Nxg2 3.Qd1 Qxd1 4.Rxd1 +- (2.15) Depth: 6/23 00:00:00 349kN 1.cxb6 Nf3 2.Rf1 Qe4 3.Qxf7+ Kxf7 4.bxa7 +- (2.14) Depth: 7/30 00:00:01 1097kN 1.cxb6 Nf3 2.Rf1 Qe4 3.Qxf7+ Kxf7 4.bxa7 +- (1.87) Depth: 7/30 00:00:02 1436kN 1.cxb6 Nf3 2.Rf1 Qe4 3.Rg2 Nd3 +- (1.87) Depth: 7/30 00:00:02 1807kN 1.cxb6 Nf3 2.Rf1 Nd2 3.Qxf7+ Kxf7 4.Rxf4+ Qxf4 5.b7 +- (1.86) Depth: 8/31 00:00:03 2420kN 1.cxb6 Qe4+ 2.Rcg2 Nxg2 3.Qb4 Qf3 4.c4 Nh4+ 5.Rg2 +- (1.59) Depth: 8/33 00:00:05 3835kN 1.Qb1 Qf3+ 2.Rcg2 Nxg2 3.Rxg2 Ng4 4.Qg1 Ne3 5.cxb6 Nxg2 6.Qxg2 Qd1+ 7.Qg1 Qxg1+ 8.Kxg1 axb6 +- (1.60) Depth: 8/33 00:00:06 4459kN 1.Qb1 Qe4+ 2.Rcg2 Ned3 3.Qf1 Nxg2 4.Qxd3 Qxd3 5.cxb6 +- (1.59) Depth: 9/33 00:00:07 5055kN 1.Qb1 Qe4+ 2.Rcg2 Ned3 3.Qf1 Nxg2 4.Qxd3 Qxd3 5.cxb6 ± (1.32) Depth: 9/33 00:00:11 7218kN 1.Qb1 Qe4+ 2.Rcg2 Ned3 3.Qf1 Nxg2 4.Rxg2 bxc5 ± (1.25) Depth: 9/33 00:00:13 8795kN 1.Qb1 Qe4+ 2.Rcg2 Ned3 3.Qf1 Nxg2 4.Rxg2 Nf4 5.Qb1 Qxb1+ 6.Rg1 ± (1.24) Depth: 10/33 00:00:15 9974kN 1.Qb1 Qe4+ 2.Rcg2 Ned3 3.Qf1 Nxg2 4.Rxg2 Nf4 5.cxb6 Nh3 ± (1.24) Depth: 10/34 00:00:28 18520kN 1.Qb1 Qf3+ 2.Rcg2 Nxg2 3.Rxg2 Ng4 4.Qg1 Ne3 5.Qxe3 Qxe3 6.cxb6 ± (1.23) Depth: 11/34 00:00:31 20493kN 1.Qb1 Qf3+ 2.Rcg2 Nxg2 3.Rxg2 Ng4 4.Qe1 Ne3 5.Qe2 Qe4 ± (1.10) Depth: 11/37 00:01:21 54425kN 1.Qb1 Qf3+ 2.Rcg2 Nxg2 3.Rxg2 Ng4 4.Qe1 Ne3 5.Qxe3 Qxe3 6.cxb6 ± (1.09) Depth: 12/37 00:01:43 71184kN 1.Qb1 Qf3+ 2.Rcg2 Nxg2 3.Rxg2 Nd3 4.Qg1 bxc5 5.Qxc5 Nxc5 6.Kg1 ± (0.82) Depth: 12/39 00:04:29 195053kN, tb=8 1.Qb1 Qf3+ 2.Rcg2 Nxg2 3.Rxg2 Nd3 4.Qg1 bxc5 5.Qxc5 Nxc5 6.Kg1 ² (0.29) Depth: 12/39 00:05:40 253040kN, tb=8 1.Qb1 Qf3+ 2.Rcg2 Nxg2 3.Rxg2 Nd3 4.h4 Nf4 5.Qb2 Qf1+ 6.Kh2 Nxg2 7.Qxg2 Qf4+ 8.Qg3 Qxg3+ 9.Kxg3 bxc5 = (0.08) Depth: 12/39 00:08:58 412453kN, tb=12 Thanks for posting these interesting positions, Peter. Seems like here is some possibilty for improvements in my engine. ciao, Uli
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.