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Subject: Re: Interesting king security position (Nimzo98 and Virtual II results)

Author: Pascal Coupet

Date: 21:56:36 05/17/98

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On May 17, 1998 at 13:34:42, Moritz Berger wrote:


>
>Here's the position in EPD format:
>
>r1bq1rk1/8/6p1/1PN2n2/p2pB2p/3Nb3/P5PP/1R1Q1R1K w - -
>
>Solution times so far (ranking according to times to play a different
>move than Bxa8, details below, all times on a P233MMX, 128MB RAM):
>
>Program / Ne5 / b6 / g4
>-----------------------------------
>1. MCP 7.1 / - / 12:27 / 03:29
>2. Fritz 5 / - / 05:39 / 24:54
>3. Hiarcs 6 / - / 10:57 / 15:44
>4. Shredder 2 / 21:47 / 01:09:48 / 01:53:44
>5. Rebel 9 / 35:54 / 51:44 / not tested
>6. CSTal Paris / - / 01:20:46 / 02:08:42
>
>

Results on a PII 333.

Nimzo98 32M Hash: (around 260000 n/s)
     Select Fxa8 first then fail hight on g4 at 00:23 (depth 9) and give
the PV      with an evaluation of 3.94 at 2:24

Virtual Chess II 16M Hash: (around 175000 n/s)
     00:07 Fxa8(4.32) depth 8
     01:29 Fxa8(1.32) depth 9
     07:12 b6(fail hight) depth 9
     12:01 b6(2.34) depth 9
     17:05 g4(fail hight) depth 9
     19:32 g4(2.86) depth 9

Pascal



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