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Subject: Re: interesting evaluation problem

Author: Ricardo Gibert

Date: 08:34:54 12/14/03

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There are 2 interpretations for a poor king safety score:
1- King is more susceptable to an attack.
2- Ling is more susceptable to a draw by perpetual.

Perhaps your engine lost, because it was too optimistic for Black and this
caused it to dismiss Black's drawing opportunities? In any case, my guess is
that Ruffian's evaluation may be quite reasonable. A tough position for chess
programs!

[D]1k3nr1/p2r1p2/1p1PpQ2/2q5/P2R1PP1/5KB1/3R4/8 w - -

On a 800mhz Athlon:

Ruffian_101  UCI:
D1  00:00  -1.52   a4a5 Qc5xa5
D1  00:00  -1.10   f4f5 e6xf5 Qf6xf5
D1  00:00  -0.83   g4g5
D1  00:00  -0.09   Rd2b2
D2  00:00  -5.86   Rd2b2 Qc5c3 Kf3g2
D2  00:00  -0.53   Qf6e5 Qc5c3 Rd4d3
D3  00:00  -0.83   Qf6e5 Qc5c6 Qe5e4 Qc6c5
D4  00:00  -0.85   Qf6e5 Qc5c3 Qe5e3 Qc3xe3 Kf3xe3 Rg8xg4 Ke3f3
D5  00:00  -0.81   Qf6e5 Qc5c6 Qe5e4 Qc6c1 Rd2d1 Qc1c5
D6  00:00  -0.81   Qf6e5 Qc5c6 Qe5e4 Qc6c1 Rd2d1 Qc1c3 Rd4d3 Qc3c5
D6  00:00  -0.74   Bg3f2 Qc5c3 Rd2d3 Qc3c2 Kf3g3 Qc2e2 g4g5
D7  00:00  -0.73   Bg3f2 Nf8g6 Kf3g3 e6e5 f4xe5 Ng6xe5 Kg3h3 Kb8a8
D7  00:00  -0.54   Qf6e5 Qc5c8 Bg3f2 Nf8g6 Qe5b5 Qc8c3 Rd4d3 Qc3c8
D8  00:01  -0.48   Qf6e5 Qc5c3 Rd2d3 Qc3c6 Qe5e4 Qc6c5 Rd4c4 f7f5 g4xf5 Qc5g1
D9  00:03  -0.49   Qf6e5 Qc5c8 Bg3f2 Nf8g6 Qe5b5 Qc8b7 Kf3g3 a7a6 Qb5c4 e6e5
D10  00:08  -0.38   Qf6e5 Qc5c1 Rd2d1 Qc1c8 Bg3f2 Nf8g6 Qe5b5 Qc8b7 Kf3g3 a7a6
Qb5c4
D11  00:16  -0.38   Qf6e5 Qc5c1 Rd2d1 Qc1c8 Bg3f2 Nf8g6 Qe5e4 Qc8c3 Qe4d3 Qc3c6
Qd3e4 Qc6c5 Rd4b4
D12  00:38  -0.37   Qf6e5 Qc5c1 Rd2d1 Qc1c3 Rd1d3 Qc3c8 Bg3f2 Nf8g6 Qe5e4 Qc8d8
Qe4c6 e6e5 f4xe5 Ng6xe5
D13  02:21  -0.22   Qf6e5 Qc5c1 Rd2d1 Qc1c3 Rd1d3 Qc3c8 Bg3f2 Nf8g6 Qe5b5 Qc8b7
Kf3g3 a7a6 Qb5g5 Kb8a8 Rd4c4
D14  05:18  -0.02   Qf6e5 Qc5c1 Rd2d1 Qc1c3 Rd1d3 Qc3c8 a4a5 Nf8g6 Qe5b5 Qc8b7
Kf3f2 Ng6f8 Rd4b4 Rg8xg4 Kf2g1 Nf8g6 a5xb6
D15  15:27  0.00   Qf6e5 Qc5c1 Rd2d1 Qc1c3 Rd1d3 Qc3c6 Qe5e4 Qc6c1 Rd3d1 Qc1c3
Qe4d3 Qc3c6 Qd3e4 Qc6c3
D16  58:49  0.07   Qf6e5 Qc5c1 Rd2d1 Qc1c8 a4a5 Qc8c6 Qe5e4 Qc6c3 Rd4d3 Qc3xa5
Rd1c1 Rd7d8 Rc1c7 Qa5a6 Rc7xf7 Nf8d7 Rf7e7 Nd7c5





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