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Subject: Re: Test position

Author: Bryan Hofmann

Date: 14:16:49 04/29/04

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On April 29, 2004 at 16:32:09, Kim Roper Jensen wrote:

>[D] 2r2rk1/pb2b1pp/1q3p2/5B1Q/1P1pN3/P5P1/5P1P/R3R1K1 b - - 1 21
>
>From a local club game, how long to see white is winning ?
>
>takes crafty 19.1 ( 667Mhz/freebsd ) 13 ply to get a winning score (above 2)

Tao takes 3 seconds at a depth of 10 to see white as winning by 2+ pawns

Tao57-Beta
 1   00:00  0.57   g6
 2   00:00  0.57   g6 Qg4
 3   00:00  0.54   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh6+ Kg8
 4   00:00  0.00   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh6+ Kg8 Qg6+
 5   00:00  0.00   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh6+ Kg8 Qg6+
 6   00:00  0.00   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh6+ Kg8 Qg6+
 7   00:00  0.00   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh6+ Kg8 Qg6+
 8   00:00 -1.10   g6 Bxg6 hxg6 Qxg6+ Kh8 Ng5 fxg5 Qh5+ Kg7 Rxe7+ Kf6 Rae1
 9   00:01 -0.85   g6 Bxg6 hxg6 Qxg6+ Kh8 Ng5 fxg5 Qh5+ Kg7 Rxe7+ Kf6 Rae1 d3
Qh6+ Kf5
10   00:03 -2.49   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh5+ Kg8 Ng5 fxg5 Rxe7 Be4 Rxe4 Qf6 f4
11   00:11 -2.07   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh5+ Kg8 Ng5 fxg5 Rxe7 Be4 Rxe4 Qf6 f4
d3 Qxg5+ Qxg5 fxg5
12   00:19 -2.45   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh5+ Kg8 Ng5 fxg5 Rxe7 Be4 Rxe4 Qf6 f4
d3 Rae1 Qb6+ R1e3
13   00:48 -2.50   g6 Bxg6 hxg6 Qxg6+ Kh8 Qh5+ Kg8 Ng5 fxg5 Rxe7 Be4 Rxe4 Qf6
Rf1 Qg7 Re6 d3




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