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Subject: Re: Subtle Position

Author: Stan Arts

Date: 02:57:09 01/12/04

Go up one level in this thread


Hi Slater

Neurosis 1.6 on PIII-550 with 32 mb hash

Legal moves: 39   Static score: -118
Ply Score Time     Nodes      Best move and expected line
------------------------------------------------------------
2   -24   11       4176       cxd3 Rd7
3   -16   11       4734       cxd3 Nb3 Rd1
3   -3    17       6391       hxg6 fxg6 cxd3
3   -1    22       10704      Qh6 Qf8 Qxf8+ Kxf8 cxd3
4   11    22       13014      Qh6 Qf8 Qxf8+ Kxf8 cxd3
5   11    99       72802      Qh6 Qf8 Qxf8+ Kxf8 cxd3
6   -29   341      243853     Qh6 < - > Qf8 Rxd4 Qxh6 Rg4 dxc2
6   -51   352      251622     Qh6 Qf8 Qxf8+ Kxf8 cxd3 Bxd3
6   -50   374      265924     cxd3 < + > Nb3 hxg6 Qe7 Bxd3
6   11    467      335718     cxd3 Nb3 Qh6 Qf8 Qxf8+ Kxf8 Rd1
7   11    1099     846499     cxd3 Nb3 Qh6 Qf8 Qxf8+ Kxf8 Rd1
7   12    1198     934685     Qh6 < + > Qf8 hxg6 Qxh6 Rxh6 Rc8-a8 cxd3
7   263   1264     994354     Qh6 < + > Qf8 hxg6 Rd8 Bxd8 Rb7 cxd3
7   323   1319     1033777    Qh6 Qf8 hxg6 Qxh6 Rxh6 fxg6 Bxe6+ Rf7 Bxc8
8   324   2780     2169507    Qh6 Qf8 hxg6 Qxh6 Rxh6 fxg6 Bxe6+ Rf7 Bxc8
9   324   8371     6806447    Qh6 Qf8 hxg6 Qxh6 Rxh6 fxg6 Bxe6+ Rf7 Bxc8
10  320   29726    23585360   Qh6 Qf8 hxg6 Qxh6 Rxh6 fxg6 Bxe6+ Kf8 Bxc8 Bxc8
11  318   135677   104915337  Qh6 Qf8 hxg6 Qxh6 Rxh6 fxg6 Bxe6+ Rf7 Bxc8 Bxc8
cxd3
Total nodes:141182142 n/sec:78600  (Q-nodes:3712624 max depth:23)

Neurosis can't find such deep mates like The King program..But thought I'd
post what it thinks anyway. :)
Though not the best move, with Qh6, white also wins some material, and
probably the game though a bit later. (because after black's Qf8 white can
capture the g pawn and black can not recapture with the h pawn because of
mate with the rook on h8, taking fxg6 is forced for black, then without
the f pawn white can play Bxe6+ , and that's nice.)

greetings,
Stan

On January 12, 2004 at 00:01:41, Slater Wold wrote:

>[D]2r1q1k1/r4p1p/b3pBp1/n3P1QP/p2p3R/P2p2PB/2P2P2/R5K1 w - - 0 29
>
>White obviously has a nice kingside attack.  However Qh6 Qf8 dissolves this
>attack.
>
>A quiet Bg2! wins here.



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