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Subject: Re: Very easy mate to solve.

Author: Dann Corbit

Date: 18:44:23 10/18/01

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On October 18, 2001 at 21:42:59, Dann Corbit wrote:

>On October 18, 2001 at 18:16:31, leonid wrote:
>
>>[D]2kqbb2/P1r2r1P/n1p2p1n/2qqqq2/2NQQN2/1Q4Q1/P6P/KRqBBqRQ w - -
>>
>>Please indicate your result.
>>
>>If you happened to have some mate solver that is not that often seen here,
>>please give his result. If you consider that given program is not well known,
>>indicate everything that you could consider as important, or curious. Don't be
>>afraid to add any description about given program and his Web address.
>
>A rather impressive result by ChessMaster 8000:
>
>Time	Depth	Score	Positions	Moves
>
>0:00	1/3	Mate08	47562		1. a8=Q+ Kd7 2. Nxe5+ Qxe5 3. Qexd5+
>					Qcxd5 4. Qhxd5+ cxd5 5. Qaxd5+
>					Qxd5 6. Qbxd5+ Bd6 7. Qxd6+ Kc8
>					8. Qxd8#
>0:01	1/4	Mate08	100137		1. a8=Q+ Kd7 2. Nxe5+ Qxe5 3. Qexd5+
>					Qcxd5 4. Qhxd5+ cxd5 5. Qaxd5+
>					Qxd5 6. Qbxd5+ Bd6 7. Qxd6+ Kc8
>					8. Qxd8#
>0:09	2/5	Mate08	697843		1. a8=Q+ Kd7 2. Nxe5+ Qxe5 3. Qexd5+
>					Qcxd5 4. Qhxd5+ cxd5 5. Qaxd5+
>					Qxd5 6. Qbxd5+ Bd6 7. Qxd6+ Kc8
>					8. Qxd8#
>0:38	2/6	Mate08	2848126		1. a8=Q+ Kd7 2. Nxe5+ Qxe5 3. Qexd5+
>					Qcxd5 4. Qhxd5+ cxd5 5. Qaxd5+
>					Qxd5 6. Qbxd5+ Bd6 7. Qxd6+ Kc8
>					8. Qxd8#
>2:34	3/7	Mate08	11372976	1. a8=Q+ Kd7 2. Nxe5+ Qxe5 3. Qexd5+
>					Qcxd5 4. Qhxd5+ cxd5 5. Qaxd5+
>					Qxd5 6. Qbxd5+ Bd6 7. Qxd6+ Kc8
>					8. Qxd8#

Just for fun, here's the "Natural Language" advice version:

The Chessmaster recommends: Pawn to a8 with a queen promotion.

"Analysis: You move your pawn to a8 with a queen promotion, which moves it to
safety and forks Black's king and Black's knight at a6. Black counters by moving
the king to d7, which moves it out of check and threatens your queen at a8. Your
knight at c4 takes queen, which frees your queen at d4 from the pin and forks
Black's rook at f7 and Black's king. Black answers with queen at f5 captures
knight at e5, which pins your queen at d4 with a partial pin and removes the
threat on Black's king and Black's rook at f7. Your queen at e4 takes queen at
d5, which skewers Black's king and checks Black's king. Black responds with
queen at c5 takes queen at d5, which removes the threat on Black's king and
threatens your queen at d4 with a double-attack. Your queen at h1 captures
queen, which skewers Black's king, disengages the pin on your rook at g1,
protects your queen at d4, and checks Black's king. Black counters with pawn
captures queen, which removes the threat on Black's king, attacks your queen at
d4, and advances the passed pawn. Your queen at a8 takes pawn, which skewers
Black's king, removes the threat on your queen at d4, and checks Black's king.
Black responds with queen takes queen at d5, which removes the threat on Black's
king and attacks your queen at d4. Your queen at b3 takes queen, which skewers
Black's king, removes the threat on your queen at d4, and checks Black's king.
Black replies by moving bishop to d6, which pins your knight and protects
Black's king. Your queen takes bishop, which pins Black's pawn, skewers Black's
king, frees your knight from the pin, and checks Black's king. Black is forced
to move king to c8, which moves it out of check and pins your queen at d6 with a
partial pin. Your queen takes queen, which checkmates Black's king.

You can force checkmate in eight moves."



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