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Subject: Re: Nice mate in 8 for engines!

Author: Ingo Bauer

Date: 09:47:33 12/27/03

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Hi

[D]5rk1/p4p1p/6b1/q7/6P1/1P6/Q4p1P/K1R5 b - -

>Chessmaster 9000, SKR personality on a P4-2.4, announces Mate in 9 in 2 seconds,
>and needs another 6 seconds to see Mate in 8:
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	-11.38	1640		1...Qxa2+ 2.Kxa2 Bd3 3.h4 f1=Q
>					4.Rxf1 Bxf1
>0:00	1/4	-11.45	3957		1...Qxa2+ 2.Kxa2 Bd3 3.h4 Re8 4.Kb2
>					f1=Q 5.Rxf1 Bxf1
>0:00	1/4	-11.62	7219		1...Qe1 2.Rxe1 fxe1=Q+ 3.Kb2 Qf2+
>					4.Ka3 Qxa2+ 5.Kxa2
>0:00	1/5	-18.17	33988		1...Qe1 2.Qb2 Rc8 3.Rb1 Bxb1 4.Qxb1
>					Qxb1+ 5.Kxb1 f1=Q+ 6.Ka2 Rc2+ 7.Ka3
>					Qa6+ 8.Kb4 Rxh2
>0:00	1/6	-20.25	105505		1...Qe1 2.Qb1 Bxb1 3.Kb2 Bd3 4.Rxe1
>					fxe1=Q
>0:00	1/7	-21.43	184529		1...Qe1 2.Qb1 Bxb1 3.Rxe1 fxe1=Q
>					4.h3 Bc2+ 5.Kb2 Qb1+ 6.Kc3 Rc8+
>					7.Kd4 Qxb3
>0:02	1/8	-Mate09	579569		1...Qe1 2.Kb2 Qxc1+ 3.Kxc1 f1=Q+
>					4.Kb2 Rc8 5.Ka3 Qa6+ 6.Kb4 Qxa2
>					7.h4 a5+ 8.Kb5 Qxb3+ 9.Kxa5 Ra8#
>0:03	1/9	-Mate09	764585		1...Qe1 2.Kb2 Qxc1+ 3.Kxc1 f1=Q+
>					4.Kb2 Rc8 5.Ka3 Qa6+ 6.Kb4 Qxa2
>					7.h4 a5+ 8.Kb5 Qxb3+ 9.Kxa5 Ra8#
>0:04	1/10	-Mate09	1248668		1...Qe1 2.Kb2 Qxc1+ 3.Kxc1 f1=Q+
>					4.Kb2 Rc8 5.Ka3 Qa6+ 6.Kb4 Qxa2
>					7.h4 a5+ 8.Kb5 Qxb3+ 9.Kxa5 Ra8#
>0:08	1/11	-Mate08	2440617		1...Qe1 2.Kb2 Qxc1+ 3.Kxc1 f1=Q+
>					4.Kb2 Rc8 5.Ka3 Qa6+ 6.Kb4 Qxa2
>					7.h4 Bd3 8.h5 a5#
>0:14	2/12	-Mate08	4351630		1...Qe1 2.Kb2 Qxc1+ 3.Kxc1 f1=Q+
>					4.Kb2 Rc8 5.Ka3 Qa6+ 6.Kb4 Qxa2
>					7.h4 Bd3 8.h5 a5#

Chessmaster is allways a good suspect to solve those kind of positions!

Thx Ingo



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