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Subject: Re: Help with this interesting position?

Author: Hans Havermann

Date: 08:59:08 11/07/98

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On November 06, 1998 at 00:26:37, James Robertson wrote:

>After 1. Bf6 gxf6 2. Qxh6, I don't see any way Black can win:

For what it's worth, here's my 24-hour MacChess analysis after 1. Bf6. Of
interest is that, at depth 15, black chooses to ignore the bishop (by a couple
of points).

4rrk1/ppp2pp1/2qp1B1p/2n5/2P1PQ2/3P4/P1P3PP/R4RK1 b - -

06/01|00:00:01|      122403| +184| gxf6 Qxh6 Nd7 Qe3 b6 Qg3+ Kh7 Rab1
07/01|00:00:02|      422147| +182| gxf6 Qxh6 Nd7 Qe3 b6 Rab1 a5 h3
08/01|00:00:04|     1107785| +182| gxf6 Qxh6 Nd7 Qe3 b6 Rab1 a6 h3 a5
09/01|00:00:20|     5731120| +106| gxf6 Rf3 Nxe4 dxe4 Qc5+ Kh1 Kh7 Rb1 b6 Qf5+
                                   Qxf5 exf5
10/01|00:00:44|    13115112| +100| gxf6 Rf3 Ne6 Qxh6 Qc5+ Kh1 Qd4 Qxf6 Qxf6 Rxf6
                                   Nd4 Rb1 b6
11/01|00:04:30|    81404166|  +96| gxf6 Qxh6 Ne6 Qxf6 Qc5+ Qf2 Qxf2+ Rxf2 b6 Rb1
                                   a5 h3 Nd4 a4
12/01|00:14:26|   259223286|  +96| gxf6 Qxh6 Ne6 Qxf6 Qc5+ Qf2 Qxf2+ Rxf2
                                   Re7 Rb1 b6 h3 Rfe8 a4 Nd4
13/01|00:39:13|   673769583|  +96| gxf6 Qxh6 Ne6 Qxf6 Qc5+ Qf2 Qd4 Rab1 b6 h3
                                   a5 a3 Qxf2+ Rxf2 Nd4 c3
14/01|01:50:05|  1898441876|  +96| gxf6 Qxh6 Ne6 Kh1 Qc5 Rab1 Qg5 Qxf6 Qxf6 Rxf6
                                   b6 h3 a5 c3 Nc5 Rf3
15/01|08:42:05|  8779767089|  +61| gxf6 Qxh6 Nxe4 dxe4 Qc5+ Kh1 Qg5 Qxf6
                                   Qxf6 Rxf6 Rxe4 c5 dxc5 h3 b6 Raf1 a5 c3
15/11|15:45:20| 15665767393|  +64| Ne6 Qg4 b5 Rf3 bxc4 Rg3 g6 Qh4 Qc5+ Kh1
                                   Kh7 e5 Ng7 Bxg7 Kxg7 exd6 cxd3 d7

16/01|23:59:43| 22377771330|  n/s: 259052



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