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Subject: Re: RUFFIAN finds Rd4!!

Author: Chessfun

Date: 08:33:59 10/07/02

Go up one level in this thread


On October 07, 2002 at 11:19:25, Rex wrote:

>Everyone is saying how a computer program will_not_and does not see Rd4 played
>by Kramnik Ver DF in the second game.  Well I got some news.  The new kid on the
>block Ruffian finds Rd4 in just over 10 minutes on a 1.533Ghz computer as
>Ruffian also found move a4 played by Kramnik in just over 6 minutes.  Folks
>Ruffian needs some serious looking into.  It play MORE like a top GM than a
>GREAT chess program..
>
>
>00:00:01.8	0.06	10	1924910	f4 Rxc6 Rxc6+ Kd7 Rd6+ Ke8 Rd2 Bb3 Bd6
>00:00:04.0	0.03	11	4443997	f4 Rxc6 Rxc6+ Kd7 Rd6+ Ke8 fxe5 Bb3 e6
>00:00:05.7	0.11	11	6444578	Rd2+ Kf6 Bxa8 Rxa8 Rd6+ Be6 Rc6 h6 Rc7
>00:00:08.3	0.16	12	9285118	Rd2+ Ke6 Bd7+ Kf6 Bxc8 Rxc8 Bb6 Ra8
>00:00:13.9	0.21	13	15649320	Rd2+ Ke6 Bd7+ Kf6 Bxc8 Rxc8 Bb6
>00:00:23.1	0.14	14	26190965	Rd2+ Ke6 Bd7+ Kf6 Bxc8 Rxc8 Bb6
>00:01:11.2	0.16	15	79888792	Rd2+ Ke6 Bd7+ Kf6 Bxc8 Rxc8 Bb6
>00:02:01.3	0.24	16	133327361	Rd2+ Kf6 Bxa8 Rxa8 Rd6+ Be6 Rc
>00:04:01.9	0.20	17	257524200	Rd2+ Kf6 Bxa8 Rxa8 Rd6+ Be6 Rc6
>00:09:03.2	0.17	18	570849169	Rd2+ Kf6 Bxa8 Rxa8 Rd6+ Be6 Rc6
>00:10:13.3	0.18	18	644476316	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7
>00:15:30.8	0.19	19	983965780	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7
>
>
>
>
>[D] r1r5/4kppp/2BR4/p1B1p3/Ppb1P3/5PP1/1P5P/4K3 w - - 0 1

I'm sure many programs find Rd4+


ChessTiger 15.0 normal.

00:00:00.0	0.20	3	2952	Rd4+ Kf6 Rxc4 Rxc6
00:00:00.0	0.26	4	3780	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6
00:00:00.0	0.26	5	5819	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6
00:00:00.0	0.26	6	8229	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6
00:00:00.0	0.12	7	15935	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Rd8 h4
00:00:00.1	0.16	8	28941	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Rd8 Rc7+ Ke6 h4
00:00:00.2	0.10	9	78833	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 Kd6
00:00:00.5	0.16	10	187223	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 Kd6 Rd5+ Ke6
Kd2
00:00:00.8	0.10	11	295835	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Kc6
00:00:01.8	0.12	12	697447	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 Kd3
00:00:03.1	0.12	13	1236179	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 Kd3
00:00:06.6	0.18	14	2525588	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 b3 Ra7 Kd3
00:00:13.1	0.18	15	4937802	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 b3 Ra7 Kd3
00:00:24.3	0.22	16	9324884	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 b3 Ra7 Ke3 Ra8 h4
00:00:57.6	0.22	17	22400902	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 Ke3 Ra7 h4 b3 Rd8


ChessTiger 15.0 gambit agressive.

00:00:00.0	0.20	3	2952	Rd4+ Kf6 Rxc4 Rxc6
00:00:00.0	0.26	4	3780	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6
00:00:00.0	0.26	5	5819	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6
00:00:00.0	0.26	6	8229	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6
00:00:00.0	0.12	7	15935	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Rd8 h4
00:00:00.1	0.16	8	28941	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Rd8 Rc7+ Ke6 h4
00:00:00.2	0.10	9	78833	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 Kd6
00:00:00.5	0.16	10	187223	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 Kd6 Rd5+ Ke6
Kd2
00:00:00.8	0.10	11	295834	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Kc6
00:00:02.0	0.12	12	697453	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 Kd3
00:00:03.3	0.12	13	1236187	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 Kd3
00:00:06.5	0.18	14	2525245	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 b3 Ra7 Kd3
00:00:13.2	0.18	15	4936304	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 b3 Ra7 Kd3
00:00:24.3	0.22	16	9322716	Rd4+ Kf6 Rxc4 Rxc6 Be7+ Kxe7 Rxc6 Kd7 Rc5 f6 Kd2 Kd6
Rd5+ Ke6 b3 Ra7 Ke3 Ra8 h4






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