About a Mate in 13...

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rightrook
Posts: 1452
Joined: Wed Mar 08, 2006 7:45 pm

Re: About a Mate in 13...

Post by rightrook » Wed Nov 23, 2011 4:25 pm

Thanks to all the good replies...Looks like Deep Rybka 4.1 sees a mate in 13 after all....!

:D

Dan Astrachan
Posts: 134
Joined: Fri May 28, 2010 9:07 am

Re: About a Mate in 13...

Post by Dan Astrachan » Tue Nov 29, 2011 12:23 pm

Mate in 16 for Ivanhoe:

Code: Select all

FEN: 8/7q/2K2p2/4p3/2k1P2p/8/3P4/7Q w - - 0 1 

Ivanhoe 46f x64 Analysis:
  24+	00:28	 256 014 886	9 314 000	+175,35	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-g2 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xg2 e5-e4 Kd6-d5 e4-e3 d2xe3 f6-f5 Qg2-f2 Kd3-c3 Qf2xh4 Kc3-c2 Kd5-e5 Kc2-d2 Qh4-d4+ Kd2-c1 Ke5xf5 Kc1-c2 Kf5-e5 Kc2-b3 Ke5-d5 Kb3-a2 e3-e4 Ka2-b1 Qd4-g1+ Kb1-c2 Qg1-g2+ Kc2-b3 Qg2-f2 Kb3-b4 Qf2-e1+ Kb4-b5 Qe1-f1+ Kb5-b6 Qf1-f2+ Kb6-a5 Qf2-g3 Ka5-b6 Qg3-d6+ Kb6-a5 Qd6-g3
  24+	00:30	 272 686 272	9 161 000	+M37	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-g2 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xg2 e5-e4 Kd6-d5 e4-e3 d2xe3 f6-f5 Qg2-f2 Kd3-c3 Qf2xh4 Kc3-c2 Kd5-e5 Kc2-d2 Qh4-d4+ Kd2-c1 Ke5xf5 Kc1-c2 Kf5-e5 Kc2-b3 Ke5-d5 Kb3-a2 e3-e4 Ka2-b1 Qd4-g1+ Kb1-c2 Qg1-a1 Kc2-b3 Qa1-d4 Kb3-a3 Qd4-c4 Ka3-b2 Qc4-e2+ Kb2-c3 Qe2-h2 Kc3-d3 Qh2-g3+ Kd3-e2 e4-e5 Ke2-f1 e5-e6 Kf1-e2 e6-e7 Ke2-d2 Qg3-h2+ Kd2-e3 Qh2-e5+ Ke3-d2 e7-e8Q Kd2-c2 Qe8-c6+ Kc2-d1
  24	00:42	 409 111 101	9 851 000	+M21	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g4 Qh1-g2+ Kg4-f4 Kd6-e6 e5-e4 Qg2-h3 e4-e3 d2xe3+ Kf4-e4 Ke6xf6 Ke4-d3 Qh3xh4 Kd3-d2 Qh4-d4+ Kd2-e2 Kf6-f5 Ke2-f3 e3-e4 Kf3-g3 e4-e5 Kg3-g2 e5-e6 Kg2-h1 e6-e7 Kh1-g2 e7-e8Q Kg2-h1 Qd4-g4 Kh1-h2 Qe8-h8+
  24	00:42	 410 994 244	9 852 000	+M21	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g4 Qh1-g2+ Kg4-f4 Kd6-e6 e5-e4 Qg2-h3 e4-e3 d2xe3+ Kf4-e4 Ke6xf6 Ke4-d3 Qh3xh4 Kd3-d2 Qh4-d4+ Kd2-e2 Kf6-f5 Ke2-f3 e3-e4 Kf3-g3 e4-e5 Kg3-g2 e5-e6 Kg2-h1 e6-e7 Kh1-g2 e7-e8Q Kg2-h1 Qd4-g4 Kh1-h2 Qe8-h8+
  25	00:44	 429 966 774	9 875 000	+M20	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g3 Kd6-d5 Kg3-g4 Qh1-e4+ Kg4-g3 Qe4-g6+ Kg3-f2 Qg6xf6+ Kf2-e1 Qf6xh4+ Ke1-f1 d2-d4 e5-e4 Qh4xe4 Kf1-f2 Kd5-e6 Kf2-g3 d4-d5 Kg3-f2 d5-d6 Kf2-g1 Qe4-e3+ Kg1-h1 Ke6-e5 Kh1-g2 d6-d7 Kg2-h2 d7-d8Q Kh2-g2 Qd8-d2+ Kg2-f1 Qd2-e2+
  25	00:44	 431 168 183	9 871 000	+M20	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g3 Kd6-d5 Kg3-g4 Qh1-e4+ Kg4-g3 Qe4-g6+ Kg3-f2 Qg6xf6+ Kf2-e1 Qf6xh4+ Ke1-f1 d2-d4 e5-e4 Qh4xe4 Kf1-f2 Kd5-e6 Kf2-g3 d4-d5 Kg3-f2 d5-d6 Kf2-g1 Qe4-e3+ Kg1-h1 Ke6-e5 Kh1-g2 d6-d7 Kg2-h2 d7-d8Q Kh2-g2 Qd8-d2+ Kg2-f1 Qd2-e2+
  26	00:45	 445 198 551	9 891 000	+M20	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g3 Kd6-d5 Kg3-g4 Qh1-e4+ Kg4-g3 Qe4-g6+ Kg3-f2 Qg6xf6+ Kf2-e1 Qf6xh4+ Ke1-f1 Kd5xe5 Kf1-e2 Qh4-f4 Ke2-e1 Qf4-f3 Ke1xd2 Ke5-d4 Kd2-c2 Qf3-d3+ Kc2-b2 Qd3-c3+ Kb2-a2 Qc3-c4+ Ka2-b2 Qc4-c3+
  26	00:45	 447 238 518	9 885 000	+M20	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g3 Kd6-d5 Kg3-g4 Qh1-e4+ Kg4-g3 Qe4-g6+ Kg3-f2 Qg6xf6+ Kf2-e1 Qf6xh4+ Ke1-f1 Kd5xe5 Kf1-e2 Qh4-f4 Ke2-e1 Qf4-f3 Ke1xd2 Ke5-d4 Kd2-c2 Qf3-d3+ Kc2-b2 Qd3-c3+ Kb2-a2 Qc3-c4+ Ka2-b2 Qc4-c3+
  27	00:47	 471 923 294	9 983 000	+M21	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g4 Qh1-g2+ Kg4-f4 Kd6-e6 e5-e4 Qg2-h3 e4-e3 d2xe3+ Kf4-e4 Ke6xf6 Ke4-d3 Qh3xh4 Kd3-d2 Qh4-d4+ Kd2-e2 Kf6-f5 Ke2-f3 e3-e4 Kf3-g3 e4-e5 Kg3-g2 e5-e6 Kg2-h1 Qd4-d2 Kh1-g1 e6-e7 Kg1-f1 e7-e8Q Kf1-g1 Qe8-e1+
  27	00:48	 480 773 098	9 992 000	+M21	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-f4 Qc6xh1 Kf4-g4 Qh1-g2+ Kg4-f4 Kd6-e6 e5-e4 Qg2-h3 e4-e3 d2xe3+ Kf4-e4 Ke6xf6 Ke4-d3 Qh3xh4 Kd3-d2 Qh4-d4+ Kd2-e2 Kf6-f5 Ke2-f3 e3-e4 Kf3-g3 e4-e5 Kg3-g2 e5-e6 Kg2-h1 Qd4-d2 Kh1-g1 e6-e7 Kg1-f1 e7-e8Q Kf1-g1 Qe8-e1+
  28	01:35	1 014 352 305	10 673 000	+M17	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d4 Qc6xh1 Kd4-d3 Qh1xh4 e5-e4 Qh4xf6 e4-e3 d2xe3 Kd3-d2 e3-e4 Kd2-e3 e4-e5 Ke3-d3 e5-e6 Kd3-e4 e6-e7 Ke4-d3 e7-e8Q Kd3-c2 Qe8-e2+ Kc2-b3 Qf6-b2+ Kb3-a4 Qe2-b5+
  28	01:36	1 023 612 149	10 651 000	+M17	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d4 Qc6xh1 Kd4-d3 Qh1xh4 e5-e4 Qh4xf6 e4-e3 d2xe3 Kd3-d2 e3-e4 Kd2-e3 e4-e5 Ke3-d3 e5-e6 Kd3-e4 e6-e7 Ke4-d3 e7-e8Q Kd3-c2 Qe8-e2+ Kc2-b3 Qf6-b2+ Kb3-a4 Qe2-b5+
  29	01:50	1 182 313 642	10 763 000	+M17	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 e5-e4 Qh1xh4 e4-e3 d2xe3 f6-f5 e3-e4 f5xe4 Kd6-d5 e4-e3 Qh4-d4+ Kd3-e2 Kd5-e4 Ke2-f2 Qd4xe3+ Kf2-g2 Qe3-f3+ Kg2-g1 Qf3-e2 Kg1-h1 Ke4-f3 Kh1-g1 Qe2-g2+
  29	01:52	1 199 090 653	10 717 000	+M17	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 e5-e4 Qh1xh4 e4-e3 d2xe3 f6-f5 e3-e4 f5xe4 Kd6-d5 e4-e3 Qh4-d4+ Kd3-e2 Kd5-e4 Ke2-f2 Qd4xe3+ Kf2-g2 Qe3-f3+ Kg2-g1 Qf3-e2 Kg1-h1 Ke4-f3 Kh1-g1 Qe2-g2+
  30	04:08	2 783 064 369	11 237 000	+M16	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 Kd3-c2 Qh1xh4 Kc2-d3 Qh4xf6 e5-e4 Qf6-c3+ Kd3-e2 Kd6-d5 e4-e3 Kd5-e4 e3xd2 Qc3-e3+ Ke2-d1 Ke4-d3 Kd1-c1 Qe3xd2+ Kc1-b1 Kd3-c3 Kb1-a1 Qd2-b2+
  30	04:14	2 848 608 777	11 217 000	+M16	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 Kd3-c2 Qh1xh4 Kc2-d3 Qh4xf6 e5-e4 Qf6-c3+ Kd3-e2 Kd6-d5 e4-e3 Kd5-e4 e3xd2 Qc3-e3+ Ke2-d1 Ke4-d3 Kd1-c1 Qe3xd2+ Kc1-b1 Kd3-c3 Kb1-a1 Qd2-b2+
  31	05:00	3 360 098 098	11 213 000	+M16	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 Kd3xd2 Qh1xh4 Kd2-d3 Qh4xf6 e5-e4 Kd6-d5 e4-e3 Qf6-d4+ Kd3-e2 Kd5-e4 Ke2-f2 Qd4xe3+ Kf2-g2 Qe3-f3+ Kg2-g1 Qf3-e2 Kg1-h1 Ke4-f3 Kh1-g1 Qe2-g2+
  31	05:07	3 447 691 816	11 213 000	+M16	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 Kd3xd2 Qh1xh4 Kd2-d3 Qh4xf6 e5-e4 Kd6-d5 e4-e3 Qf6-d4+ Kd3-e2 Kd5-e4 Ke2-f2 Qd4xe3+ Kf2-g2 Qe3-f3+ Kg2-g1 Qf3-e2 Kg1-h1 Ke4-f3 Kh1-g1 Qe2-g2+
  32	06:24	4 285 025 735	11 165 000	+M16	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 Kd3xd2 Qh1xh4 Kd2-d3 Qh4xf6 e5-e4 Kd6-d5 e4-e3 Qf6-d4+ Kd3-e2 Kd5-e4 Ke2-f2 Qd4xe3+ Kf2-g2 Qe3-f3+ Kg2-g1 Qf3-e2 Kg1-h1 Ke4-f3 Kh1-g1 Qe2-g2+
  32	07:28	5 036 594 489	11 246 000	+M16	Qh1-b1 Kc4-d4 Qb1-b3 Qh7xe4+ Kc6-d6 Qe4-h1 Qb3-c3+ Kd4-e4 Qc3-c6+ Ke4-d3 Qc6xh1 Kd3xd2 Qh1xh4 Kd2-d3 Qh4xf6 e5-e4 Kd6-d5 e4-e3 Qf6-d4+ Kd3-e2 Kd5-e4 Ke2-f2 Qd4xe3+ Kf2-g2 Qe3-f3+ Kg2-g1 Qf3-e2 Kg1-h1 Ke4-f3 Kh1-g1 Qe2-g2+
[/code]

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