Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Position

Author: Scott Gasch

Date: 10:11:01 06/18/02

Go up one level in this thread


On June 18, 2002 at 12:30:13, Charlie GOLD wrote:

>4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w 0 1

Well monsoon gets it but it doesn't set any speed records in the process:

 6-   -4.90  00:00:00.49  24777        **FL** --
 6u   -7.19  00:00:00.86  98351        PV= 1. c5 Qa6+ 2. Qc4 [sing] b5 3. cxb6
                                        > Qxb6 4. Qc1 Nd3 <-3.00>
 6u   -6.66  00:00:01.19  167194       PV= 1. a3 Qb8 2. Qd2 Re6 3. Bg5 Re2
                                        > 4. Qxa5 [Q] <-2.00>
 6u   -4.38  00:00:01.29  186550       PV= 1. Rxf4 Bxf4 2. Qxf4 Kh7 3. Kg2
                                        > Re2 <-2.00>
 6.   -4.38  00:00:01.33  186572       PV= 1. Rxf4 Bxf4 2. Qxf4 Kh7 3. Kg2
                                        > Re2 <-2.00>
 7.   -4.14  00:00:01.52  222886       PV= 1. Rxf4 Bxf4 2. Qxf4 Qb6 3. Qg5
                                        > Kh7 4. Kg2 <-2.00>
 8.   -4.22  00:00:02.20  401096       PV= 1. Rxf4 Bxf4 2. Qxf4 Re6 3. Kg2
                                        > Re2 4. Qh6 Rxa2 <-3.00>
 9.   -3.91  00:00:03.24  672164       PV= 1. Rxf4 Bxf4 2. Qxf4 Re6 3. Kg2
                                        > Kh7 4. Qg4 b5 5. Be5 <-2.00>
10+   -2.91  00:00:07.94  1981454      Rxf4! ++
10.   -2.56  00:00:49.98  12543761     PV= 1. Rxf4 Re6 2. d5 cxd5 3. cxd5 Rc7
                                        > 4. Qd1 Qa6+ 5. Kg2 Bxf4 6. dxe6
                                        > Qxe6 [Q] <-1.00>
11+   -1.56  00:07:30.06  116239460    Rxh5! ++
11.   -0.94  00:09:12.01  142376473    PV= 1. Rxh5 gxh5 2. Rxh5 Re1+ [+ threat]
                                        > 3. Kxe1 [sing] Nxh5 [threat]
                                        > 4. Qg5+ Kf8 [sing] 5. Qxh5 Re7+
                                        > [+ threat] 6. Bxe7+ Kxe7 [sing]
                                        > 7. c5 Bc7 8. Qh4+ Kd7 9. Qg4+
                                        > Ke8 10. f4 <-1.00>

There are approx 10M check extensions fired between depth 10 and 11 as well as
about 1M one-reply extensions.  I think this explains the slowness, the tree
simply explodes.  I'll have to experiment with how to restrict those lines
better.

Scott




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.