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Subject: Re: Best Move for White?

Author: Stan Arts

Date: 13:12:28 01/30/04

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On January 30, 2004 at 11:51:21, Art Basham wrote:

>[D]r4rk1/ppp1qpp1/2b1p2p/b2pP2Q/3P1R2/2PBP3/PP1B2PP/5RK1 w - - 0 1
>
>I was wondering if my Rf6 move was the best move here...
>(planning to next play Rxh6 and of course win...etc.
>
>Maybe something better?
>
>thanks!

Neurosis 1.7  At my cousin's on his faster computer (but not sure if it's a
P4-1.6 ghz or 1.8 or 2.0 ghz..) with 64 MB hash. Posting because I never see
such nodes/second numbers on my slow computer at home.. And it suggests the
mentioned Rf6 over Rg4 and other moves, and gives a winning score.

Legal moves: 50   Static score: 8
Ply Score Time     Nodes      Best move and expected line
------------------------------------------------------------
2   16    0        1468       e4 dxe4
3   16    0        2050       e4 dxe4 Bxe4
4   16    6        12081      e4 dxe4 Bxe4 Bxe4
4   18    11       23426      b4 Bb6 e4 dxe4
5   18    33       57351      b4 Bb6 e4 dxe4 Bxe4
6   18    105      177088     b4 Bb6 e4 dxe4 Bxe4 Bxe4
7   15    346      613425     b4 Bb6 e4 Qg5 Qf3 Kh8 exd5 dxc6
7   16    517      960188     Qf3 < + > Bd7 e4 c6 b4 Qd6 Qg4
7   17    588      1092548    Qf3 Bb6 e4 Kh8 Qf2 dxe4 Bxe4
7   18    1275     2672167    Rg4 < + > Kh8 Rf6 g6 Bxg6 fxg6 Qxh6+
7   111   1686     3850030    Rg4 f5 Qxh6 a6 Rg5 Bb5 Bxb5
8   115   1917     4435925    Rg4 f5 Qxh6 Rf7 Rg5 Rd8 Kh1 Ba4
9   118   4103     9538610    Rg4 f5 Qxh6 a6 Rg5 Bb5 Bxb5 axb5 Kh1
9   119   11485    29743690   Rf6 < + > Ra8-d8 Rf1-f3 Rd7 Rxh6 g5
9   182   15753    41980687   Rf6 Bb5 Bxb5 c6 Bd3 Bxc3 Bxc3 gxf6 Qg4+ Kh8 exf6
10  232   21449    58001365   Rf6 < + > Bb5 Bxb5 c6 Bd3 Bxc3 Bxc3 g5 b4
10  232   25162    65962521   Rf6 Rf8-d8 Rf1-f3 Qxf6 exf6 Kf8 fxg7+ Kxg7
11  282   47720    119235194  Rf6 < + > Rf8-d8 Rf1-f3 Qxf6 exf6 Kf8 fxg7+ Kxg7
Rxf7+ Kh8
11  532   99536    260315505  Rf6 < + > Rf8-d8 Rf1-f3 Qxf6 exf6 Kf8 fxg7+ Kg8
Rf8 Rg3
11  539   141626   376993367  Rf6 Bb5 Bxb5 c6 Rf1-f3 cxb5 Rxh6 gxh6 Qxh6 Bd8
Rg3+ Qg5 Rxg5+
Total nodes:481979206 n/sec:268500  (Q-nodes:8% max depth:25)

Greetings
Stan



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