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Subject: Re: A related, but different, puzzle for your program

Author: Mike S.

Date: 17:58:19 09/27/01

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On September 27, 2001 at 18:08:25, Roy Eassa wrote:

>How long before your program sees that White is winning with either e7 or Bh6?
>Take any reasonable definition of "winning", e.g., ahead by at least 2 pawns.
>
>[D]rnb2r1k/pp1p2pp/2p1P3/4p3/2B3Q1/2q4P/P1P3P1/1RB4K w - - 0 1
>On my Athlon 1.2, Fritz 6 took over 11 minutes, whereas Gambit Tiger 2
>Aggressive took about 4 minutes.

Goliath Light 1.5 (P3/700 MHz, 32 MB hash) comes up with 1.e7 +0.78 after 2:10,
and with +15.51 (!) after 4:05 at depth 13/43.

After 1.e7 Re8 (and clearing the hash tables):

Analysis by Goliath Light 1.5:

2.Bg5 Qxc2 3.Rc1 Qg6
  -+  (-9.26)   Depth: 6/15   00:00:00  28kN
  -+  (-9.37)   Depth: 6/15   00:00:00  33kN
2.Bd3 Na6 3.Qe4 g6 4.Bg5
  -+  (-9.28)   Depth: 6/15   00:00:00  43kN
  -+  (-7.24)   Depth: 7/21   00:00:00  259kN
2.Bb2 Qb4
  -+  (-7.13)   Depth: 7/21   00:00:00  367kN
  -+  (-6.62)   Depth: 8/35   00:00:01  993kN
2.Bh6 gxh6 3.Rf1 Qa3 4.Rf7 Qc1+ 5.Kh2 Qg5 6.Qe4 Qf4+ 7.Rxf4 d5 8.Rf8+
  -+  (-6.51)   Depth: 8/35   00:00:01  1716kN
  +-  (#12)   Depth: 11/41   00:01:53  144005kN

Regards,
M.Scheidl



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