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Subject: Re: Game Rybka-Shredder ended draw (Old PGN and Diagram)

Author: Sandro Necchi

Date: 05:01:34 12/28/05

Go up one level in this thread


On December 28, 2005 at 07:53:46, Eelco de Groot wrote:

>Hello Sandro,

Hi,

39...Qe3 is winning even if there are still maybe some 20 moves to go. Of course
black can improve earlier as out of book did not play the best moves either.

Ciao
Sandro
>
>No idea myself if Shredder could have won it or what is really the best move but
>here is just some computer-analysis with Gambit Fruit 4bx of the position (two
>best moves)
>
>Best(18ply):		00:14:17.5	1,51	18	571429388	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 g4 Bg3
>h5 Kc2 h4 Bxh4 g3 Rd3 Qg4 Bd8
>2nd(18ply):            00:14:17.5      1,04    18	743093252       Qe3 Rd7+ Ke6
>Bd4 Qd3 Rd5 h5 Re5+ Kf7 Rd5 h4 Bc5 Qf3 Rd7+ Kg6 Rd6+ Kh5 Rxa6 h3 Ra7 g4 Bd6
>
>Best at 19 ply:
>00:25:32.2	1,68	19	1080744749	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 g4 Bg3 h5 Bf2 Ke8
>Ka3 Qg6 Bg3 Ke7 Rc5 Kf8
>2nd at 19 ply:
>00:25:32.2	1,08	19	1326075870	Qe3 Rd7+ Ke6 Bd4 Qd3 Rd8 f4 Bb6 Qh7 Kc4 f3 Bc5 Qf5
>Rd6+ Kf7 Bf2 Qc8+ Kd3 h5 Nd5 g4 Rf6+ Kg7
>
> Eelco
>
>[D]3R4/5k2/p6p/4Bpp1/8/1KN4q/1P6/8 b - - 3 1
>
>00:00:00.0	0,57	1	149	f4
>00:00:00.0	0,29	1	305	Qe3
>00:00:00.0	0,69	2	631	f4 Kb4
>00:00:00.0	0,29	1	305	Qe3
>00:00:00.0	0,69	2	631	f4 Kb4
>00:00:00.0	0,31	2	862	Qe3 Rd7+ Kg6
>00:00:00.0	0,78	3	1305	f4 Kb4 f3
>00:00:00.0	0,31	2	862	Qe3 Rd7+ Kg6
>00:00:00.0	0,78	3	1305	f4 Kb4 f3
>00:00:00.0	0,53	3	2148	Qe3 Bd4 Qd2
>00:00:00.0	0,83	4	4760	f4 Rd6 a5 Bd4
>00:00:00.0	0,53	3	2148	Qe3 Bd4 Qd2
>00:00:00.0	0,83	4	4760	f4 Rd6 a5 Bd4
>00:00:00.0	0,53	4	6731	Qe3 Rd7+ Kg6 Rd6+ Kh5 Re6
>00:00:00.0	0,83	4	4760	f4 Rd6 a5 Bd4
>00:00:00.0	0,68	4	7898	Ke7 Rd6 Qe3 Bd4
>00:00:00.0	0,91	5	13516	f4 Rd6 Qe3 Bh8 h5 Rxa6
>00:00:00.0	0,68	4	7898	Ke7 Rd6 Qe3 Bd4
>00:00:00.0	0,91	5	13516	f4 Rd6 Qe3 Bh8 h5 Rxa6
>00:00:00.0	0,48	5	17114	Ke7 Rd6 Qe3 Bd4 Qd2
>00:00:00.1	0,91	5	13516	f4 Rd6 Qe3 Bh8 h5 Rxa6
>00:00:00.1	0,74	5	20523	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4
>00:00:00.1	0,88	6	30080	f4 Rd6 Qe3 Bd4 Qd2 Rf6+ Kg7 Rd6+ Kg8
>00:00:00.1	0,74	5	20523	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4
>00:00:00.1	0,88	6	30080	f4 Rd6 Qe3 Bd4 Qd2 Rf6+ Kg7 Rd6+ Kg8
>00:00:00.1	0,75	6	39036	Qe3 Bd4 Qe7 Rd5 f4 Rf5+ Kg6
>00:00:00.2	0,80	7	73776	f4 Rd6 f3 Bd4 a5 Rf6+ Ke8 Nd5
>00:00:00.2	0,75	6	39036	Qe3 Bd4 Qe7 Rd5 f4 Rf5+ Kg6
>00:00:00.2	0,81	7	90771	Qe3 Bd4 Qe7 Rd5 f4 Bc5 Qe6
>00:00:00.2	0,75	6	39036	Qe3 Bd4 Qe7 Rd5 f4 Rf5+ Kg6
>00:00:00.2	0,81	7	90771	Qe3 Bd4 Qe7 Rd5 f4 Bc5 Qe6
>00:00:00.2	0,80	7	100280	f4 Rd6 f3 Bd4 a5 Rf6+ Ke8 Nd5
>00:00:00.3	0,83	8	137852	Qe3 Bd4 Qe7 Rd5 f4 Rf5+ Kg8 Kc2 h5
>00:00:00.3	0,80	7	100280	f4 Rd6 f3 Bd4 a5 Rf6+ Ke8 Nd5
>00:00:00.4	0,83	8	137852	Qe3 Bd4 Qe7 Rd5 f4 Rf5+ Kg8 Kc2 h5
>00:00:00.4	0,77	8	219551	f4 Rd6 f3 Bd4 a5 Rf6+ Ke8 Bb6 Qh4 Bxa5
>00:00:00.6	0,86	9	393120	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Re5 Qc6 Rf5+ Kg8
>00:00:00.6	0,77	8	219551	f4 Rd6 f3 Bd4 a5 Rf6+ Ke8 Bb6 Qh4 Bxa5
>00:00:01.0	0,92	9	675340	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4
>00:00:01.0	0,86	9	393120	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Re5 Qc6 Rf5+ Kg8
>00:00:01.2	0,96	10	830214	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kg7
>Ra7+ Kf6
>00:00:01.2	0,86	9	393120	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Re5 Qc6 Rf5+ Kg8
>00:00:01.4	0,96	10	830214	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kg7
>Ra7+ Kf6
>00:00:01.5	0,86	10	1027937	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Re5 Qc6 Rf5+ Kg8
>00:00:01.8	0,94	11	1314778	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kg7
>Ra7+ Kf6 Ra6+ Ke7
>00:00:01.8	0,86	10	1027937	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Re5 Qc6 Rf5+ Kg8
>00:00:02.9	1,00	11	2211290	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Re5 Qc4 Bc5 f3
>00:00:02.9	0,94	11	1314778	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kg7
>Ra7+ Kf6 Ra6+ Ke7
>00:00:03.7	0,99	12	2899023	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Kd2 f3 Re5 Qg4
>Kd3
>00:00:03.7	0,94	11	1314778	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kg7
>Ra7+ Kf6 Ra6+ Ke7
>00:00:05.0	1,03	12	3965267	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Rd6
>00:00:05.0	0,94	11	1314778	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kg7
>Ra7+ Kf6 Ra6+ Ke7
>00:00:05.2	1,03	12	3965267	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Rd6
>00:00:05.2	0,99	12	4119140	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Kd2 f3 Re5 Qg4
>Kd3
>00:00:09.2	1,22	13	7355024	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Kc4 Qe6+
>Kd3 h3
>00:00:09.2	0,99	12	4119140	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 Kf7 Kd2 f3 Re5 Qg4
>Kd3
>00:00:11.9	1,22	13	7355024	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Kc4 Qe6+
>Kd3 h3
>00:00:11.9	1,00	13	9692711	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Qh3 Re5+ Kf7
>Ke3 Qd7 Ne4
>00:00:19.0	1,29	14	15825321	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Ra8 h3 Rh8+ Kg4
>00:00:19.0	1,00	13	9692711	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Qh3 Re5+ Kf7
>Ke3 Qd7 Ne4
>00:00:22.2	1,29	14	15825321	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Ra8 h3 Rh8+ Kg4
>00:00:22.2	0,97	14	18635337	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Qh3 Ke3 Qg2
>Rf5 g4 Ne4
>00:00:50.3	1,38	15	43065970	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Rd6 h3 Rd5 Qf4
>00:00:50.3	0,97	14	18635337	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Qh3 Ke3 Qg2
>Rf5 g4 Ne4
>00:00:59.9	1,38	15	43065970	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Rd6 h3 Rd5 Qf4
>00:00:59.9	0,96	15	51481966	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Kf7 Rc5 Kg6
>Ne4 g4 Rc7 h5
>00:01:44.3	1,41	16	90524136	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Rd6 h3 Rd5 Qf4 Kc2
>00:01:44.3	0,96	15	51481966	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Kf7 Rc5 Kg6
>Ne4 g4 Rc7 h5
>00:02:10.7	1,41	16	90524136	f4 Rd6 Qf5 Bd4 f3 Bf2 h5 Rxa6 h4 Ra7+ Kg6 Ra6+ Kh5
>Rd6 h3 Rd5 Qf4 Kc2
>00:02:10.7	0,92	16	113663252	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Kf7 Re5 Qh3
>Ke4 Qg4+ Kd3 Qg2 Rf5+ Kg6 Rf6+ Kh5
>00:07:09.2	1,46	17	371445675	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 h5 Kc2 Qg6+ Kd2 g4
>Bc5 g3 Rd7+ Ke8 Re7+ Kd8 Ne4
>00:07:09.2	0,92	16	113663252	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Kf7 Re5 Qh3
>Ke4 Qg4+ Kd3 Qg2 Rf5+ Kg6 Rf6+ Kh5
>00:07:48.5	1,46	17	371445675	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 h5 Kc2 Qg6+ Kd2 g4
>Bc5 g3 Rd7+ Ke8 Re7+ Kd8 Ne4
>00:07:48.5	0,92	17	405808493	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Kf7 Re5 Qh3
>Ke3 Qg4 Kd3 Qg2 Rf5+ Kg6 Rf6+ Kh5
>00:10:57.2	1,51	18	571429388	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 g4 Bg3 h5 Kc2 h4 Bxh4
>g3 Rd3 Qg4 Bd8
>00:10:57.2	0,92	17	405808493	Qe3 Rd7+ Ke8 Bd4 Qe6+ Rd5 f4 Kc2 f3 Kd3 Kf7 Re5 Qh3
>Ke3 Qg4 Kd3 Qg2 Rf5+ Kg6 Rf6+ Kh5
>00:14:17.5	1,51	18	571429388	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 g4 Bg3 h5 Kc2 h4 Bxh4
>g3 Rd3 Qg4 Bd8
>00:14:17.5	1,04	18	743093252	Qe3 Rd7+ Ke6 Bd4 Qd3 Rd5 h5 Re5+ Kf7 Rd5 h4 Bc5 Qf3
>Rd7+ Kg6 Rd6+ Kh5 Rxa6 h3 Ra7 g4 Bd6
>00:20:47.3	1,68	19	1080744749	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 g4 Bg3 h5 Bf2 Ke8
>Ka3 Qg6 Bg3 Ke7 Rc5 Kf8
>00:20:47.3	1,04	18	743093252	Qe3 Rd7+ Ke6 Bd4 Qd3 Rd5 h5 Re5+ Kf7 Rd5 h4 Bc5 Qf3
>Rd7+ Kg6 Rd6+ Kh5 Rxa6 h3 Ra7 g4 Bd6
>00:25:32.2	1,68	19	1080744749	f4 Rd6 Qf5 Bd4 f3 Rd5 Qe6 Bf2 g4 Bg3 h5 Bf2 Ke8
>Ka3 Qg6 Bg3 Ke7 Rc5 Kf8
>00:25:32.2	1,08	19	1326075870	Qe3 Rd7+ Ke6 Bd4 Qd3 Rd8 f4 Bb6 Qh7 Kc4 f3 Bc5 Qf5
>Rd6+ Kf7 Bf2 Qc8+ Kd3 h5 Nd5 g4 Rf6+ Kg7



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