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Subject: Re: Test for Dedicated Units, and a Mate Test for PC Programs

Author: Terry McCracken

Date: 23:52:31 07/25/05

Go up one level in this thread


On July 26, 2005 at 00:34:42, Eelco de Groot wrote:

>On July 25, 2005 at 22:35:56, Terry McCracken wrote:
>
>>A position taken from a G/2 I played earlier today with a pretty finish.
>>
>>[D]2r2rk1/3R2pp/p5n1/1pp1Pp2/5P2/2B2Q2/qPP3PP/3R2K1 w
>>
>>For those who want to solve it without a computer, I'll not give the killer
>>move:)
>>
>>Terry
>
>Nice one , Terry! I would have played 1.e6, on the grounds of a variation like
>1..Rf6 (what else?) 2.Bxf6 gxf6 3.Qh5 and that looks like a sure win. But I'm
>terrible at combo's so probably there are 3.78 holes in this. But in a human
>game it might still work!

Thanks Eelco, it of course was a bullet game and split second desicions must be
made, and I use intuition as much if not more than calculations, so
understanding patterns is a must.

Sometimes I pull of shiny looking games, but I have my share of ugly games as
well, at this speed!

Terry
>
>My PC with Pro Deo has some trouble coming up with the "ulti-mate", shortest
>mate variation right now, Pro Deo 1.1 Vulcan {9i9k} needs 3 minute 14 seconds
>for a mate in nine, but another version later sees mate in eight moves:
>
>Pro Deo 1.1 Vulcan {9i9k} Athlon 3200+ 200 Mb HT
>
>00:00:00.2	5,07	4	12900	Qb7 Rfe8 Rxg7+ Kf8 Rxh7
>00:00:00.2	5,07	5	18439	Qb7 Rfe8 Rxg7+ Kf8 Rxh7 Nxf4
>00:00:00.2	5,51	6	69643	Qb7 Rfe8 b3 Kh8 Rxg7 Ne7 Rxe7
>00:00:00.3	5,51	6	108856	e6
>00:00:00.4	7,54	6	192495	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6
>00:00:00.4	7,51	7	255448	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6 Qxf6 c3
>00:00:00.9	7,51	8	812359	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6 Qxf6 c3
>00:00:02.5	7,59	9	2613934	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6 Qxf6 Qe8 a5 R1d6
>00:00:03.4	7,59	9	3634397	Qb7
>00:00:03.6	7,63	9	3962235	Qb7 Rf7 Qxc8+ Nf8 Rd8 c4 Qe6
>00:00:06.5	7,63	9	7568578	Rxg7+
>00:00:19.6	7,63	9	23806738	Rxg7+
>00:03:14.9	 Mate in 9	9	254588721	Rxg7+ Kh8 Qb7 Rf7 Rxf7 Kg8 Qxc8+ Kxf7 Qxf5+
>Ke8 Qd7+ Kf8 Qd8+ Kf7 Qf6+
>00:05:26.8	 Mate in 9	10	428809921	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kf8 Qxc8+ Kg7 Qd7+
>Kh6 Bxf6 Qb3 Bg5+ Kh5 Qxh7+
>00:05:29.6	 Mate in 9	11	433437163	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kf8 Qxc8+
>00:05:32.5	 Mate in 9	12	438318375	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kf8 Qxc8+
>00:05:52.2	 Mate in 9	13	470090615	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kf8 Qxc8+ Kg7 Qd7+
>00:06:24.6	 Mate in 9	14	521298395	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kf8 Qxc8+ Kg7 Qd7+
>Kh6 Bxf6 Qb3 Bg5+ Kh5 Qxh7+
>00:07:57.1	 Mate in 9	15	659963910	Rxg7+ Kxg7 e6+
>
>All material at 95 version:
>
>00:00:00.2	4,21	4	10763	Qb7
>00:00:00.2	5,15	4	12081	Qb7 Rfe8 Rxg7+ Kf8 Rxh7
>00:00:00.2	5,15	5	17580	Qb7 Rfe8 Rxg7+ Kf8 Rxh7 Nxf4
>00:00:00.2	5,70	6	90653	Qb7 Rfe8 b3 Kh8 Rxg7 Ne7 Rxe7
>00:00:00.3	5,70	6	114818	e6
>00:00:00.3	7,82	6	191295	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6
>00:00:00.4	7,79	7	255505	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6 Qxf6 c3
>00:00:00.9	7,79	8	899343	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6 Qxf6 c3
>00:00:01.8	7,87	9	1903868	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6 Qxf6 Qe8 a5 R1d6
>00:00:02.7	7,87	9	2944497	Qb7
>00:00:07.5	7,87	9	1903868	e6 Rf6 Qb7 Qxe6 Qxc8+ Nf8 Bxf6 Qxf6 Qe8 a5 R1d6
>00:00:19.6	9,76	10	23592261	e6 Rf6 b3 Qxc2 Bxf6
>00:00:24.4	9,76	10	29195489	Rxg7+
>00:00:57.7	9,76	10	69366556	Rxg7+
>00:09:40.5	 Mate in 8	10	764847639	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kh6 Bxf6
>00:09:41.7	 Mate in 8	11	766802399	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kh6 Bxf6 Qb3 cxb3 Ne7
>00:09:43.7	 Mate in 8	12	770145203	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kh6 Bxf6 Qb3 cxb3 Ne7
>00:09:53.0	 Mate in 8	13	785562767	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kh6 Bxf6 Qb3 cxb3 Ne7
>00:10:05.4	 Mate in 8	14	806106399	Rxg7+ Kxg7 e6+ Rf6 Qb7+ Kh6 Bxf6 Qb3 cxb3 Ne7



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