Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: another deep blue test position

Author: Jonas Cohonas

Date: 07:10:42 10/31/01

Go up one level in this thread


On October 30, 2001 at 07:00:45, K. Burcham wrote:

>
>
>it takes shredder5, over 7 hours to find 32...Bf3.
>
>
> [D] 3rr1k1/1p6/1qp3Pp/4nP2/pP2p3/P3N1P1/1BP1b1B1/R1Q4K b - -
>
>
>Engine: Shredder 5
>by Stefan Meyer-Kahlen
>position:  ok
>  7.01	 0:00 	+1.50 	1...Qc7 2.Qb1 Bf3 3.Qa2+ Kf8 4.Re1 Rd2 5.Bc3 Bxg2+ 6.Nxg2
>(220.339) 264.8
>  8.01	 0:01 	+1.25-- 	1...Qc7 2.Qb1 Bf3 3.Qa2+ Kf8 4.Re1 Bxg2+ 5.Nxg2 b5 6.Kg1
>(331.923) 276.1
>  8.01	 0:01 	+1.25 	1...Qc7 2.Qb1 Bf3 3.Qa2+ Kf8 4.Re1 b5 5.Qf7+ Nxf7 6.Bg7+
>Kxg7 (372.818) 275.7
>  8.02	 0:01 	+1.26++ 	1...Rd7 2.Bh3 Bf3+ 3.Ng2 Nc4 4.Rb1 Bxg2+ 5.Bxg2 Nxb2
>6.Qxb2 (449.098) 280.3
>  8.02	 0:02 	+1.33 	1...Rd7 2.Bxe5 Rxe5 3.Qb2 Re8 4.Qc3 Qb5 5.Re1 Rg7 6.Qf6
>(607.490) 287.6
>  9.01	 0:04 	+1.35 	1...Rd7 2.Bxe5 Rxe5 3.Qb2 Rde7 4.Qc3 Qb5 5.Re1 Rf7 6.gxf7+
>Kh7 7.f8Q (1.420.113) 295.4
> 10.01	 0:10 	+1.18 	1...Rd7 2.Nf1 Bf3 3.f6 Qf2 4.f7+ Nxf7 5.gxf7+ Rxf7 6.Ne3
>Bxg2+ 7.Nxg2 e3 8.Bd4 Rf3 (3.305.681) 300.8
> 11.01	 0:28 	+0.93-- 	1...Rd7 2.c4 Qc7 3.Qc2 Bf3 4.Bxf3 exf3 5.f6 Nd3 6.f7+
>Rxf7 7.gxf7+ Kh7 8.fxe8Q (8.446.600) 298.3
> 11.01	 0:31 	+0.69 	1...Rd7 2.c4 Qc7 3.Qc2 Bf3 4.Bxf3 exf3 5.f6 Red8 6.Qf5 Nd3
>7.Qe6+ Kh8 (9.507.637) 299.3
> 11.03	 0:41 	+0.70++ 	1...Qc7 2.Qb1 Kf8 3.Qa2 Rd7 4.Re1 Bf3 5.Kh2 Bxg2 6.Qf7+
>Nxf7 7.Bg7+ Kxg7 (12.234.141) 297.7
> 11.03	 0:57 	+0.93 	1...Qc7 2.Bf1 Bf3+ 3.Ng2 Bxg2+ 4.Kxg2 Qd6 5.Bc3 e3 6.f6
>Nxg6 (16.941.190) 296.6
> 12.01	 1:49 	+0.68-- 	1...Qc7 2.Nf1 Ng4 3.f6 Kf8 4.Qf4 Qxf4 5.gxf4 Bxf1 6.Bxf1
>Rd6 7.g7+ Kf7 8.Bc4+ Kg6 9.g8Q+ (31.903.288) 291.5
> 12.01	 1:50 	+0.68 	1...Qc7 2.Nf1 Ng4 3.f6 Kf8 4.Qf4 Qxf4 5.gxf4 Bd1 6.c4 e3
>7.Nxe3 Nxe3 (32.289.731) 291.4
> 12.04	 2:49 	+0.69++ 	1...Qa7 2.Bxe4 b5 3.Bg2 Qb6 4.f6 Nxg6 5.Nf1 Bxf1 6.Bxf1
>Qc7 (49.231.943) 289.7
> 12.04	 3:38 	+0.81 	1...Qa7 2.c4 b5 3.Bxe5 Rxe5 4.Ra2 Bf3 5.Bxf3 exf3 6.Ng4 Re2
>7.Nxh6+ Kg7 8.Rxe2 fxe2 (63.103.955) 288.8
> 13.01	 6:39 	+0.56-- 	1...Qa7 2.Nd5 Rxd5 3.Qxh6 b5 4.f6 Rd7 5.Bxe4 Bf3+ 6.Bxf3
>Qg1+ 7.Kxg1 Rd1+ 8.Rxd1 Nxg6 (115.200.671) 288.1
> 13.01	 6:56 	+0.06-- 	1...Qa7 2.Nd5 Rxd5 3.Qxh6 b5 4.f6 Rd7 5.Bxe4 Bf3+ 6.Bxf3
>Qg1+ 7.Kxg1 Rd1+ 8.Rxd1 Nxg6 9.Qxg6+ Kf8 (120.344.419) 288.9
> 13.01	 8:55 	-0.39 	1...Qa7 2.Nd5 cxd5 3.Qxh6 Rd7 4.f6 Qf2 5.f7+ Rxf7 6.gxf7+
>Kxf7 7.Qh7+ Ke6 8.c4 Bf3 9.cxd5+ Kd6 10.Bxe5+ Rxe5 11.Bxf3 (154.987.923) 289.6
> 13.02	 9:02 	-0.38++ 	1...Qc7 2.Nf1 (156.987.626) 289.5
> 13.02	 9:31 	-0.03++ 	1...Qc7 2.Nf1 Ng4 3.f6 Kf8 4.Qf4 Qxf4 5.gxf4 Bd1 6.f7 Re7
>(165.101.596) 288.9
> 13.02	10:46 	+0.44 	1...Qc7 2.Nf1 e3 3.Qxe3 Bxf1 4.Rxf1 Nc4 5.Qxh6 Nxb2 6.f6
>Qxg3 7.f7+ (185.785.276) 287.5
> 14.01	19:37 	+0.21 	1...Qc7 2.Nf1 Ng4 3.Qe1 Bxf1 4.Bxf1 b5 5.Qc3 Qe5 6.Be2 Qxc3
>7.Bxc3 Ne5 8.Re1 h5 (335.539.618) 284.9
> 14.04	25:59 	+0.22++ 	1...Rd7 2.c4 Qc7 3.Qc2 Bd3 4.Qxa4 Be2 5.Qc2 Bf3 6.Rb1
>(444.131.720) 284.7
> 14.04	29:28 	+0.57++ 	1...Rd7 2.c4 Qc7 3.Qc2 Nf3 4.Ng4 Qxg3 5.Nxh6+ Kf8 6.g7+
>Rxg7 7.Bxg7+ Kxg7 8.Ra2 Kxh6 9.Qc1+ e3 (502.253.323) 284.0
> 14.04	30:41 	+0.57 	1...Rd7 2.c4 Qc7 3.Qc2 Nf3 4.Qc3 Rd4 5.Bxf3 Bxf3+ 6.Kh2 c5
>(522.754.223) 283.8
> 15.01	41:17 	+0.32-- 	1...Rd7 2.c4 Qc7 3.Qc2 Nf3 4.Qc3 Rd4 5.Bxf3 Bxf3+ 6.Kh2
>h5 7.Qxd4 c5 8.Qxc5 (698.673.352) 282.0
> 15.01	47:11 	+0.31 	1...Rd7 2.c4 Qc7 3.Qc2 Bd3 4.Qf2 c5 5.Nd5 Ng4 6.Qe1 Qd6
>(797.901.156) 281.8
> 16.01	128:24 	+0.06-- 	1...Rd7 2.c4 Qc7 3.Qc2 Bd3 4.Qf2 c5 5.Qf4 cxb4 6.Bxe5
>Rxe5 7.Ng4 (2.135.960.970) 277.2
> 16.01	163:32 	 0.00 	1...Rd7 2.c4 Qc7 3.Qc2 Bf3 4.Bxf3 Nxf3 5.Ng4 Qxg3 6.Nf6+
>Kf8 7.Nxd7+ Kg8 8.Nf6+ Kf8 9.Nd7+ Kg8 -159.-4
> 16.31	437:47 	+0.01++ 	1...Bf3 2.Bxe5 Rxe5 3.Bxf3 exf3 4.Ng4 Qd4 5.Nf6+ Kf8
>6.Qxh6+ Ke7 7.Rf1 Rxf5 8.Qg7+ Ke6 9.Qf7+ Kd6 10.Ne8+ Rxe8 11.Rxf3 Rxf7 -44.-3
>best move: Be2-f3 time: 485:31.985 minnodes: 2135.960.970
>
>kburcham

Fritz 7 on a T-bird 900 Mhz needs 2:48

New game
3rr1k1/1p6/1qp3Pp/4nP2/pP2p3/P3N1P1/1BP1b1B1/R1Q4K b - - 0 1

Analysis by Fritz 7:

1...Bf3 2.Bxe5 Rxe5 3.Bxf3
  =  (-0.25)   Depth: 6/23   00:00:00  104kN
1...Qc7! 2.Bxe4
  =  (0.06)   Depth: 7/19   00:00:00  159kN
1...Qc7 2.Bxe4
  =  (0.00)   Depth: 7/19   00:00:00  159kN
1...Rd7!
  =  (0.03)   Depth: 7/20   00:00:00  209kN
1...Rd7 2.Bxe4 Nxg6 3.fxg6 Rxe4
  =  (0.00)   Depth: 7/20   00:00:00  245kN
1...Rd6 2.c4
  =  (-0.03)   Depth: 7/23   00:00:00  351kN
1...Qa7!
  =  (-0.06)   Depth: 7/23   00:00:01  418kN
1...Qa7
  =  (-0.07)   Depth: 7/23   00:00:01  418kN
1...Qa7--
  =  (0.21)   Depth: 8/20   00:00:01  447kN
1...Qa7 2.Bxe5 Rxe5 3.Qb2 Qd4 4.Qa2+ Kh8 5.Qf7 Qxa1+ 6.Kh2
  =  (0.25)   Depth: 8/29   00:00:01  515kN
1...Rd7!
  =  (0.21)   Depth: 8/29   00:00:02  696kN
1...Rd7 2.c4 Qc7 3.c5 Bf3 4.Qg1
  =  (0.18)   Depth: 8/29   00:00:02  727kN
1...Qc7!
  =  (0.15)   Depth: 8/29   00:00:02  763kN
1...Qc7 2.f6 Nxg6
  =  (0.12)   Depth: 8/29   00:00:02  904kN
1...Qb5!
  =  (0.09)   Depth: 8/29   00:00:02  986kN
1...Qb5 2.Bxe4 Nxg6 3.c4 Qb6 4.c5
  =  (0.00)   Depth: 8/29   00:00:02  1038kN
1...Qb5--
  ²  (0.34)   Depth: 9/24   00:00:03  1439kN
1...Qb5 2.c4 Nxc4 3.Nxc4 Rd1+ 4.Qxd1
  ²  (0.37)   Depth: 9/30   00:00:04  1602kN
1...Qc7!
  ²  (0.34)   Depth: 9/30   00:00:04  1699kN
1...Qc7!
  =  (0.18)   Depth: 9/30   00:00:05  2336kN
1...Qc7 2.Qe1 Bf3 3.Bxe5 Qxe5
  =  (0.15)   Depth: 9/30   00:00:06  2660kN
1...Rd7!
  =  (0.12)   Depth: 9/30   00:00:07  2897kN
1...Rd7 2.c4 Nd3 3.Qc3 Nxb2 4.c5 Qc7 5.Qxb2
  =  (0.09)   Depth: 9/30   00:00:07  2991kN
1...Rd7 2.Qg1
  =  (-0.09)   Depth: 10/28   00:00:13  5545kN
1...Rd7 2.Qg1
  =  (-0.16)   Depth: 11/32   00:00:39  16434kN
1...Rd7 2.c4
  =  (0.06)   Depth: 12/32   00:01:34  41088kN
1...Bf3 2.Bxf3 exf3 3.Bxe5 Rxe5 4.Ng4 Qd4 5.Nf6+ Kg7 6.Nh5+ Kg8 7.Nf6+ Kg7
8.Nh5+ Kg8
  =  (0.00)   Depth: 12/35   00:02:48  74736kN

(, Copenhagen 31.10.2001)

Regards
Jonas





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.