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Subject: Re: Tactical shot.

Author: Tord Romstad

Date: 04:07:38 07/14/03

Go up one level in this thread


On July 13, 2003 at 23:15:50, Dan Andersson wrote:

>[D]1r4k1/1q3pp1/r3b2p/p2N4/3R4/QP3P2/2P3PP/1K1R4 w - -
>White has a nice one here. How does your favourite engines fare?

Gothmog 0.2.1 (my own engine, running on a Pentium 4 2.4GHz:

 1      -7.09     0.01         15 a3a5 a6a5
 1    > -7.09     0.01         23 c2c4
 1       0.07     0.01        203 c2c4 b7b3 a3b3 b8b3 b1c1
 1       1.91     0.01        403 f3f4
 1       1.96     0.01        420 g2g4
 1       1.98     0.01        468 b1c1
 2       1.81     0.02       1550 b1c1 b8e8
 3       1.84     0.03       3884 b1c1 g8h8 d5e7
 3       1.91     0.05       8639 d5e7 g8h7 a3c5 e6b3 c2b3 b7b3 b1a1
 4       2.09     0.05       9725 d5e7 g8h7 d4d8 b8d8 d1d8
 5       1.80     0.12      23478 d5e7 g8h7 d4d8 b8d8 d1d8 f7f5
 6       1.59     0.35      95816 d5e7 g8h7 d4d8 b8d8 d1d8 a6a8 d8d1
 6       1.70     0.68     180768 g2g4 a6a7 b1c1 e6d5 d4d5 b7c7
 6       1.72     1.81     489405 a3c5 b8e8 d5f4 a6a8 b1c1 g8h8
 7       1.59     4.45    1210960 a3c5 g8h7 d5c7 a6c6 c7e6 c6c5 e6c5
 7       1.70     5.76    1557252 b1c1 e6d5 d4d5 b7c7 d5d6 a6d6 a3d6
 8       1.62     8.95    2425164 b1c1 e6d5 d4d5 b7b4 d5d8 b8d8 d1d8 g8h7
                                  a3b2 b4e1 d8d1 e1e3 c1b1
 9       1.53    21.68    5967186 b1c1 e6d5 d4d5 b7c7 d5d6 c7e7 c1b1 e7e2
                                  d6d8 b8d8 d1d8 g8h7
 9       1.59    72.22   19815649 d5f4 g8h7 f4d3 e6f5 d3c5 b7e7 g2g4 f5g6
10       1.55    97.74   26532855 d5f4 b7c7 a3b2 a6c6 f4e6 c6e6 g2g3 c7c6
                                  d4d8 b8d8 d1d8 e6e8 d8e8 c6e8
11       1.59   312.74   86157338 d5f4 b7c7 g2g4 a6c6 d1d2 g7g5 f4d5 e6d5
                                  d4d5 b8e8 c2c4 e8e1 d2d1 e1d1 d5d1 c7h2
                                  a3a5
12       1.59   523.83  146941104 d5f4 b7c7 g2g4 a6c6 d1d2 g7g5 f4d5 e6d5
                                  d4d5 b8e8 c2c4 e8e1 d2d1 e1d1 d5d1 c7h2
                                  a3a5
12    >  1.59   854.71  237019295 d5f6 g7f6 d4d8 b8d8 d1d8 g8g7 a3f8 g7g6
                                  g2g4 f6f5 f8g8 g6f6 g8h8 f6e7 h8f8 e7f6
12       2.09   871.78  241416272 d5f6 g7f6 d4d8 b8d8 d1d8 g8h7 a3f8 h7g6
                                  g2g4 f6f5 f8g8 g6f6 g8h8 f6e7 h8h6
13       2.11   945.11  261547264 d5f6 g7f6 d4d8 b8d8 d1d8 g8h7 a3f8 h7g6
                                  g2g4 f6f5 f8g8 g6f6 g8h8 f6e7 h8f8 e7f6
                                  f8h6 f6e7 h6f8 e7f6 g4g5 f6e5 f8c5 e5f4
14       2.12  1117.08  306871563 d5f6 g7f6 d4d8 b8d8 d1d8 g8h7 a3f8 h7g6
                                  g2g4 f6f5 f8g8 g6f6 g8h8 f6e7 h8f8 e7f6
                                  f8h6 f6e5 h6g7 e5f4 d8d4 f4f3 g4f5 e6f5
                                  g7g3 f3e2 g3e5 e2f2 e5f5 f2g1
15    >  2.62  1522.18  421904849 d5f6 g7f6 d4d8 b8d8 d1d8 g8h7 a3f8 h7g6
                                  f8g8 g6h5 g8g7 f6f5 d8d4 e6c8 g2g3 c8d7
                                  g7f7 a6g6 f7d7
15       2.62  1737.93  481020850 d5f6 g7f6 d4d8 g8h7 a3f8 b8d8 d1d8 h7g6
                                  f8g8 g6h5 g8g7 f6f5 d8d4 e6c8 g2g3 f5f4
                                  g7f7
16       3.06  2384.26  663859713 d5f6 g7f6 d4d8 b8d8 d1d8 g8h7 a3f8 h7g6
                                  f8g8 g6h5 g8g7 f6f5 d8d4 e6c8 g2g3 b7e7
                                  d4h4 e7h4 g7f7 a6g6 g3h4 c8e6


The columns are search depth (the last few plies are selective, for instance
depth 13 means 10 plies full-width and 3 plies selective), eval, time (in
seconds), nodes and PV.

Gothmog fails high on Nf6+ after 14 minutes and 25 seconds.

Tord



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