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Subject: Re: A very hard tactical move !

Author: Bruce Moreland

Date: 12:41:45 03/08/00

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On March 07, 2000 at 16:36:47, Côme wrote:

>On March 07, 2000 at 15:10:52, John Stanback wrote:
>
>>On March 07, 2000 at 09:58:47, Côme wrote:
>>
>>>
>>>Hello,
>>>In this position:
>>>[D]2rr1nk1/1p2bp2/1qp1p1p1/p1R4p/P2P3P/1B2PPB1/1PQ2P2/2R4K w - -
>>>
>>>On my K6 II 350 Mhz Fritz 6a don't find Rxh5!! after 10 min.
>>>LG2000 v2.5 find Rxh5!! very fast but not for the good reason.
>>>Can you test others programs ?
>>>Best Regards
>>>Alexandre Côme
>>
>>Zarkov finds Rxh5 in a little over 4 minutes on a P2-300.
>>Here is the output:
>>
>>Move# 1   Clock= 00:00:00   Target= 999999.0
>>00:01.0    38528  6>    36  Rc3 c5 Qe4 Nd7 Kg1
>>00:01.8    68224  6     34  Rc3 Rd7 Rd1 Qd8 Qe4 Bb4 Rcc1
>>00:02.8   103724  7>    34  Rc3 Rd7 Rd1 Qd8 Qe4 Bb4 Rcc1
>>00:03.8   146944  7     33  Rc3 Rd7 Bc4 Qd8 Qe4 Bb4 Rd3
>>00:07.2   284035  8>    33  Rc3 Rd7 Bc4 Qd8 Qe4 Bb4 Rd3
>>00:10.7   416128  8     35  Rc3 Rd7 Bc4 Qd8 Qe4 Bb4 R3c2 Qf6
>>00:17.7   650558  9>    35  Rc3 Rd7 Bc4 Qd8 Qe4 Bb4 R3c2 Qf6
>>00:42.7  1485440  9     32  Rc3 Bb4 Rd3 Bd6 Rdd1 c5 Bxd6 Rxd6 Rg1
>>01:02.8  2195980 10>    32  Rc3 Bb4 Rd3 Bd6 Rdd1 c5 Bxd6 Rxd6 Rg1
>>01:27.4  3115392 10     31  Rc3 Bb4 Rd3 c5 Be5 Re8 Bf4 Nd7 d5 Qd8 dxe6 Qxh4+
>>04:13.9  8948864 10     61  Rxh5 c5 Rg1 Qc6 d5 exd5 Be5 Nh7 Ba2 Qe6
>>04:26.8  9373886 11>    61  Rxh5 c5 Rg1 Qc6 d5 exd5 Be5 Nh7 Ba2 Qe6
>>
>>
>>John
>
>Hello John,
>Zarkov don't find the best continuation.
>Why have you don't reply to my mail ?
>Best Regards
>Alexandre Côme

Are you sure that 1. ... c5 is the best continuation?  What about 1. ... Bf6 2.
Be5 Kg7?

bruce




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