Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Mate in 5 ?

Author: Dann Corbit

Date: 12:48:02 02/03/03

Go up one level in this thread


On February 03, 2003 at 12:43:22, Mustafa wrote:

>[D]4rb2/1p1q1ppk/p1n1p2p/2p1Pn2/3PNR2/2P2K2/P2QBP2/6R1 w - - 0 1
>
>
>i tried crafty but crafty was unable to find the mate...........

Ruffian says:

E:\programme\winboard\ruffian>ruffian -h 300M -T e:\rxf5.epd -t 999 -p 99
Hash size 314572800
Ruffian 1.0.1
feature done=0
Loading configuration: ruffian.cfg
Warning: EGTB_HASH_SIZE changed, default=1048576, newvalue=8388608
Logfile: Mon Feb 03 12:30:10 2003
Total hash size 300M
Initializing tablebases: /programme/winboard/nalimov
Testing e:\rxf5.epd, 999 seconds, extra ply 99
Testing: test 1   Solution: Rxf5
  4rb2/1p1q1ppk/p1n1p2p/2p1Pn2/3PNR2/2P2K2/P2QBP2/6R1 w - -
  Depth   Time  Score    Best line
   7-->   1.26  -1.62    Kg2 cxd4 cxd4 Bb4 Qd3 Ncxd4 Kh1 Qd5
   8/23   1.99  -1.51    Kg2 cxd4 cxd4 Ncxd4 Kh3 Bb4 Qb2 Nxe2 Qxe2 Kh8
   8-->   3.01  -1.51    Kg2 cxd4 cxd4 Ncxd4 Kh3 Bb4 Qb2 Nxe2 Qxe2 Kh8
   9/25   4.69  -1.51    Kg2 cxd4 cxd4 Ncxd4 Kh3 Bb4 Qb2 Nxe2 Qxe2 Kh8
   9-->   6.96  -1.51    Kg2 cxd4 cxd4 Ncxd4 Kh3 Bb4 Qb2 Nxe2 Qxe2 Kh8
  10/28  11.26  -1.61    Kg2 cxd4 cxd4 Ncxd4 Bh5 Rc8 Ng3 Qd5+ Kh3 Nf3 Bg6+
                         Kxg6 Qxd5 exd5 Rxf3
  10/28  21.15   x.xx    Rxf5
  10/28  25.10     ++    Rxf5
  10/30  49.76  -0.96    Rxf5 Nxd4+ cxd4 exf5 Nd6 Bxd6 exd6 cxd4 Qc2 Rc8 Qd3
                         Qc6+ Kf4 Qxd6+ Kxf5
  10-->  50.83  -0.96    Rxf5 Nxd4+ cxd4 exf5 Nd6 Bxd6 exd6 cxd4 Qc2 Rc8 Qd3
                         Qc6+ Kf4 Qxd6+ Kxf5
  11/30  53.36     ++    Rxf5
  11/30  58.03   0.57    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         Bh5+ Kh7 Bxf7+ Qh6+ Rxh6+ Kxh6 Bxe8 fxe4 Kxe4 cxd4
                         Kxd4
  11-->   1:00   0.57    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         Bh5+ Kh7 Bxf7+ Qh6+ Rxh6+ Kxh6 Bxe8 fxe4 Kxe4 cxd4
                         Kxd4
  12/32   1:13   0.76    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         Bh5+ Kh7 Bxf7+ Qh6+ Rxh6+ Kxh6 Bxe8 fxe4 d5 c4 Kxe4
  12-->   1:19   0.76    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         Bh5+ Kh7 Bxf7+ Qh6+ Rxh6+ Kxh6 Bxe8 fxe4 d5 c4 Kxe4
  13/36   1:54     ++    Rxf5
  13/36   4:47   3.28    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         d5 fxe4 dxc6 Rxe5 Kxe5 f6+ Kxe4 f5+ Ke5
  13-->   4:55   3.28    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         d5 fxe4 dxc6 Rxe5 Kxe5 f6+ Kxe4 f5+ Ke5
  14/38  10:33   3.33    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         d5 fxe4 dxc6 Rxe5 Kxe5 bxc6 Bh5+ Kg5 Bxf7
  14-->  10:55   3.33    Rxf5 Nxd4+ cxd4 exf5 Qxh6+ Kxh6 Rh1+ Kg6 Kf4 Qc6
                         d5 fxe4 dxc6 Rxe5 Kxe5 bxc6 Bh5+ Kg5 Bxf7
  15...  10:55   1/41    Rxf5

Time: 16:39, cpu 92.61%, nodes 490740034, nps 491201
Hash: 128M, used 99%, hits 18%
EGTB: probs 0, hits 0

Best move: Rxf5 (3.33)  Solved (1/1)

Summery: 1/1



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.