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Subject: Re: Easy mate to solve...

Author: Dann Corbit

Date: 09:46:32 04/24/01

Go up one level in this thread


On April 24, 2001 at 12:44:15, Dann Corbit wrote:

>On April 24, 2001 at 12:39:48, James T. Walker wrote:
>
>>On April 24, 2001 at 11:22:12, leonid wrote:
>>
>>>Hi!
>>>
>>>Sometime we would like to solve one mate that look like heavy but is in reality
>>>short and easy. The next one is just one of this nature.
>>>
>>>[D]4k3/1Q5Q/2q2q2/1qnqqnq1/1Qqbbq1Q/3NBN2/1Q1NBN1Q/1r1RKR1r b - -
>>>
>>>Please indicate your result.
>>>
>>>Thanks,
>>>Leonid.
>>
>>Here is Gambit Tiger 2.0 running in the background on Athlon 900.
>>
>>00:00:00.4	27.10	4	108123	Nxd3+ Nxd3 Rxd1+ Bxd1 Qxe3+ Be2 Qxh4+ Q2xh4 Rxf1+
>>00:00:00.8	26.88	4	181424	Nxd3+ Nxd3 Rxd1+ Bxd1 Qxe3+ Be2 Qxh4+ Q2xh4 Qxh4+ Nxh4
>>Rxf1+ Kxf1 Qbxb7
>>00:00:03.5	27.78	5	819821	Nxd3+
>>00:00:05.1	27.80	5	1277486	Nxd3+ Nxd3 Rxd1+ Bxd1 Qxe3+ Be2 Qxh4+ Q7xh4 Rxh2 Nxc4
>>Qbxb7 Qxb7 Qxb7
>>00:00:11.3	28.70	6	2541853	Nxd3+
>>00:00:18.1	30.38	6	4257057	Nxd3+ Nxd3 Rxd1+ Kxd1 Nxe3+ Ke1 Qgxh4+ Q7xh4 Q6xh4+
>>Nxh4 Qg3+ Qf2 Qxf2+ Kxf2
>>00:00:34.9	31.28	7	7808978	Nxd3+
>>00:00:39.5	41.49	7	9317928	Nxd3+ Nxd3 Rxd1+ Kxd1 Nxe3+ Ke1 Qgxh4+ Q7xh4 Q6xh4+
>>Nxh4 Qg3+ Qf2 Qxf2+ Kxf2
>>00:00:44.1	42.39	8	10939333	Nxd3+
>>00:01:22.6	 Mate in 6	8	23785457	Nxd3+ Nxd3 Qgxh4+ Q7xh4 Q6xh4+ Nxh4 Qg3+ Bf2
>>Bxf2+ Qxf2 Qxf2+ Kxf2 Qg3#
>
>I think probably mate in 6 is wrong.  I have never seen chest make a mistake.
>Chess Tiger may not try every foolish escape route to avoid mate in 6 (e.g.
>throw away all of your material just to stay alive longer).
>
>Chest can write the refutation table, but with 6-7 moves (depending on who you
>ask) it may take quite a bit of space to write it.

Hmmm...
1. Nxd3+ Nxd3 2. Qgxh4+ Q7xh4 3. Q6xh4+ Nxh4 4. Qg3+ Bf2
5. Bxf2+ Qxf2 6. Qxf2+ Kxf2 [*cough* 7] Qg3#

Some creative counting is going on somewhere...




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