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

Author: Eelco de Groot

Date: 04:53:46 12/28/05

Go up one level in this thread


Hello 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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