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Subject: Re: Test Position:Extremely Hard:Avoid 15..hxg5(Takes over 19 hours forCM)

Author: Matthew White

Date: 17:15:18 11/21/03

Go up one level in this thread


52 minutes with Ruffian 1.0.1 on a 2x2.4 Ghz Xeon with 1024MB RAM and 256M hash.

D:\Download\ruffian>ruffian.exe -h 256M -b "r2r2k1/ppq1bpp1/2bppn1p/6B1/3NPP1P/2
N5/PPPQ2P1/1K1RR3 b"
Hash size 268435456
Ruffian 1.0.1
feature done=0
Loading configuration: ruffian.cfg
Logfile: Fri Nov 21 15:46:49 2003
Total hash size 256M
Initializing tablebases: d:\tablebases
Open book: ruffian.bok
Book version 0.3 created Sun Sep 29 02:01:08 2002
59116 book moves, depth=60
ruffian: analyze
[analyze]
  r2r2k1/ppq1bpp1/2bppn1p/6B1/3NPP1P/2N5/PPPQ2P1/1K1RR3 b - -
  Depth   Time  Score    Best line
   9/21   3.35   2.09    ... hxg5 fxg5 Ng4 g6 Bf6 Rf1 Kh8 gxf7 Qxf7 Qf4 Ne5
   9-->   4.00   2.09    ... hxg5 fxg5 Ng4 g6 Bf6 Rf1 Kh8 gxf7 Qxf7 Qf4 Ne5
  10/24   9.17   2.07    ... hxg5 hxg5 Ne8 Rh1 a5 g6 Bf6 gxf7+ Qxf7 Qe3 Bxd4
                         Rxd4 Nf6
  10-->  10.77   2.07    ... hxg5 hxg5 Ne8 Rh1 a5 g6 Bf6 gxf7+ Qxf7 Qe3 Bxd4
                         Rxd4 Nf6
  11/27  17.07     --    ... hxg5
  11/27  22.75   1.68    ... hxg5 hxg5 Ne8 Rh1 g6 Rh3 Bf8 Rdh1 Bg7 Rh7 Kf8
                         Qe3
  11-->  26.52   1.68    ... hxg5 hxg5 Ne8 Rh1 g6 Rh3 Bf8 Rdh1 Bg7 Rh7 Kf8
                         Qe3
  12/29  49.10   1.59    ... hxg5 hxg5 Nd7 g6 Nc5 gxf7+ Kxf7 Qe2 Kg8 Rh1 Qd7
                         Qg4 d5 exd5 Bxd5 Nxd5 Qxd5
  12-->  57.74   1.59    ... hxg5 hxg5 Nd7 g6 Nc5 gxf7+ Kxf7 Qe2 Kg8 Rh1 Qd7
                         Qg4 d5 exd5 Bxd5 Nxd5 Qxd5
  13/31   1:33   1.44    ... hxg5 hxg5 Nd7 g6 Nc5 gxf7+ Kxf7 Qe2 Kg8 Rh1 Be8
                         Qc4 Bf7 Ncb5 Qd7
  13-->   1:54   1.44    ... hxg5 hxg5 Nd7 g6 Nc5 gxf7+ Kxf7 Qe2 Kg8 Rh1 Be8
                         Qc4 Bf7 Ncb5 Qd7
  14/34   7:14     --    ... hxg5
  14/36  13:59   0.69    ... hxg5 hxg5 Ne8 Rh1 Bf8 g6 Qd7 gxf7+ Qxf7 Qe3 Qg6
                         Qh3 Bxe4 Qh8+ Kf7 Rde1 d5 Re2 Bxg2
  14-->  19:22   0.69    ... hxg5 hxg5 Ne8 Rh1 Bf8 g6 Qd7 gxf7+ Qxf7 Qe3 Qg6
                         Qh3 Bxe4 Qh8+ Kf7 Rde1 d5 Re2 Bxg2
  15/40  25:37     --    ... hxg5
  15/40  34:55  -0.01    ... hxg5 hxg5 Nh7 Rh1 e5 Nxc6 bxc6 g4 Nf8 Qh2 f6
                         gxf6 Bxf6 g5 Be7 Qh8+
  15/40  52:19   x.xx    ... Rac8
  15/40  75:33   x.xx    ... a6



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