Other fun mates

MOBMAT · Post by **MOBMAT** » Sun Apr 19, 2020 8:05 pm

xr_a_y wrote: ↑Tue Apr 07, 2020 2:01 pm White is winning here

[d] 2k5/p7/2b5/4B3/4pP2/4P3/q1PPQ3/2KR4 w - - 0 27

because the a1 square is well protected and no perpetual is possible thanks to the dark square white bishop.
But, more than a win, this seems to be a forced mate a #12 ! will your engine get it ?
It seems to be easy for SF11.

Hint : Rh1 is the first move

Booot 6.3.1

Code: Select all

FEN: 2k5/p7/2b5/4B3/4pP2/4P3/q1PPQ3/2KR4 w - - 0 27

Booot 6.3.1:
 15+	00:00	 1,544k	6,177k	+14.23	27.Rh1
 15+	00:00	 1,556k	6,223k	+14.33	27.Rh1
 15+	00:00	 1,565k	6,258k	+14.50	27.Rh1
 15	00:00	 1,589k	6,355k	+14.39	27.Rh1 Qg8 28.Qa6+ Kd7 29.Qxa7+ Ke6 30.Rh6+ Kf5 31.Rxc6 Kg4 32.Qd7+ Kf3 33.f5 Qg1+ 34.Kb2 Ke2 35.Rg6 Qf2 36.Bg3 Qf3
 16+	00:00	 1,615k	6,071k	+14.49	27.Rh1
 16+	00:00	 1,622k	6,099k	+14.59	27.Rh1
 16+	00:00	 3,035k	6,472k	+20.16	27.Rh1
 16	00:00	 3,302k	6,604k	+21.81	27.Rh1 Be8 28.Rh8 Qa4 29.Qg4+ Kb7 30.Rh7+ Kb6 31.Bd4+ Qxd4 32.exd4 e3 33.Qe6+ Bc6 34.dxe3 a6 35.Qd6 Kb5 36.Qc5+ Ka4 37.Qxc6+ Ka3
 17+	00:00	 3,333k	6,460k	+21.81	27.Rh1
 17+	00:00	 3,367k	6,526k	+21.98	27.Rh1
 17+	00:00	 4,733k	6,583k	+34.31	27.Rh1
 17	00:00	 4,800k	6,677k	+24.68	27.Rh1 a6 28.Qg4+ Kb7 29.Qg7+ Kb6 30.Rh5 Qa3+ 31.Kd1 Be8 32.Qc7+ Kb5 33.Qb8+ Kc4 34.Qxe8 Qc5 35.Qe6+ Qd5 36.Qxa6+ Qb5 37.Qa2+ Kc5 38.Bd4+ Kd6 39.Rxb5 Kc6
 18+	00:00	 4,855k	6,615k	+24.78	27.Rh1
 18+	00:00	 4,856k	6,616k	+26.05	27.Rh1
 18+	00:00	 4,857k	6,617k	+26.53	27.Rh1
 18	00:00	 5,407k	6,530k	+M18	27.Rh1 Kd8 28.Rh8+ Ke7 29.Rh7+ Qf7 30.Rxf7+ Kxf7 31.Qh5+ Ke7 32.Qh7+ Ke6 33.Qg6+ Ke7 34.Qd6+ Kf7 35.Qf6+ Ke8 36.Qxc6+ Ke7 37.Qd6+ Kf7 38.Qf6+ Ke8 39.Qe6+ Kf8 40.Bd6+ Kg7 41.Qf5 Kh8 42.Be5+ Kg8
 19	00:00	 5,736k	6,678k	+M13	27.Rh1 Qg8 28.Qa6+ Kd7 29.Qxa7+ Ke6 30.Rh6+ Kf5 31.Rxc6 Kg4 32.Qa6 Qf7 33.Rg6+ Qxg6 34.Qxg6+ Kf3 35.f5 Kf2 36.Qg3+ Kf1 37.f6 Ke2 38.Qg2+ Ke1 39.Bg3+
 20	00:00	 5,783k	6,609k	+M13	27.Rh1 Qg8 28.Qa6+ Kd7 29.Qxa7+ Ke6 30.Rh6+ Kf5 31.Rxc6 Kg4 32.Qa6 Qf7 33.Rg6+ Qxg6 34.Qxg6+ Kf3 35.f5 Kf2 36.Qg3+ Kf1 37.f6 Ke2 38.Qg2+ Ke1 39.Bg3+
 21	00:00	 6,032k	6,658k	+M13	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qg4+ Kb7 31.Rh7+ Kb6 32.Qe6+ Bc6 33.Bd4+ Qxd4 34.exd4 e3 35.Qd6 e2+ 36.Kxe2 Ka6 37.Qxc6+ Ka5 38.Rxa7+ Kb4 39.Qc5+
 22	00:00	 6,235k	6,654k	+M13	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qg4+ Kb7 31.Rh7+ Kb6 32.Qe6+ Bc6 33.Bd4+ Qxd4 34.exd4 e3 35.Qd6 e2+ 36.Kxe2 Ka6 37.Qxc6+ Ka5 38.Rxa7+ Kb4 39.Qc5+
 23	00:01	 6,872k	6,665k	+M13	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qg4+ Kb7 31.Rh7+ Kb6 32.Qe6+ Bc6 33.Bd4+ Qxd4 34.exd4 e3 35.Qd6 e2+ 36.Kxe2 Ka6 37.Qxc6+ Ka5 38.Rxa7+ Kb4 39.Qc5+
 24	00:01	 7,102k	6,688k	+M13	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qg4+ Kb7 31.Rh7+ Kb6 32.Qe6+ Bc6 33.Bd4+ Qxd4 34.exd4 e3 35.Qd6 e2+ 36.Kxe2 Ka6 37.Qxc6+ Ka5 38.Rxa7+ Kb4 39.Qc5+
 25	00:01	 7,570k	6,729k	+M13	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qg4+ Kb7 31.Rh7+ Kb6 32.Qe6+ Bc6 33.Bd4+ Qxd4 34.exd4 e3 35.Qd6 e2+ 36.Kxe2 Ka6 37.Qxc6+ Ka5 38.Rxa7+ Kb4 39.Qc5+
 26	00:01	 8,108k	6,740k	+M13	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qg4+ Kb7 31.Rh7+ Kb6 32.Qe6+ Bc6 33.Bd4+ Qxd4 34.exd4 e3 35.Qd6 e2+ 36.Kxe2 Ka6 37.Qxc6+ Ka5 38.Rxa7+ Kb4 39.Qc5+
 27	00:01	 9,729k	6,842k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 28	00:01	 10,198k	6,872k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 29	00:01	 10,446k	6,890k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 30	00:01	 11,418k	6,895k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 31	00:01	 12,177k	6,958k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 32	00:01	 13,038k	6,954k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 33	00:01	 13,747k	6,929k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 34	00:02	 14,431k	6,843k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 35	00:02	 16,052k	6,943k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 36	00:03	 23,099k	7,040k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 37	00:03	 23,247k	7,051k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 38	00:03	 23,809k	7,021k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 39	00:04	 29,265k	7,122k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 40	00:04	 29,779k	7,112k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 41	00:04	 32,061k	7,125k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 42	00:04	 33,387k	7,146k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 43	00:05	 38,108k	7,237k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 44	00:05	 43,110k	7,242k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 45	00:06	 47,523k	7,311k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 46	00:07	 52,355k	7,348k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 47	00:09	 69,300k	7,608k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 48	00:10	 78,176k	7,604k	+M12	27.Rh1 Qa3+ 28.Kd1 Qa4 29.Rh8+ Be8 30.Qh5 Kb7 31.Rxe8 Qc4 32.Rb8+ Ka6 33.Qg6+ Ka5 34.Bc3+ Ka4 35.Qe8+ Ka3 36.Qe7+ Qb4 37.Qxb4+ Ka2 38.Qa4+
 49	00:10	 82,891k	7,644k	+M12	27.Rh1

MOBMAT · Post by **MOBMAT** » Sun Apr 19, 2020 8:09 pm

xr_a_y wrote: ↑Sun Apr 19, 2020 3:56 pm Mate in #8

[d] 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/RNBQKBNR w KQ - 0 1

If it's too hard, try this

[d] 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/3QKB2 w - - 0 1

Booot 6.3.1

Code: Select all

FEN: 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/RNBQKBNR w KQ - 0 1

Booot 6.3.1:
 20	00:00	 2,616k	8,838k	+M11	1.Bxc4 bxc4 2.Qxa4+ Kf7 3.Qd7+ Kg6 4.Qxd5 Kf6 5.Nd2 Kg6 6.Qd7 Kh6 7.Nxc4 Kg6 8.Nd6 Kh6 9.Nxf5+ Kg6 10.Qg7+ Kxf5 11.Qf7+
 21	00:00	 3,072k	8,958k	+M10	1.Bxc4 bxc4 2.Qxa4+ Kf7 3.Qd7+ Kg6 4.Qxd5 Kf6 5.Nd2 Kg6 6.Qd7 Kh6 7.Nxc4 Kg6 8.Nd6 Kh6 9.Ne8 Kg6 10.Qg7+
 22	00:00	 3,757k	8,598k	+M10	1.Bxc4 bxc4 2.Qxa4+ Kf7 3.Qd7+ Kg6 4.Qxd5 Kf6 5.Nd2 Kg6 6.Qd7 Kh6 7.Nxc4 Kg6 8.Nd6 Kh6 9.Ne8 Kg6 10.Qg7+
 23	00:00	 5,049k	8,291k	+M10	1.Bxc4 bxc4 2.Qxa4+ Kf7 3.Qd7+ Kg6 4.Qxd5 Kf6 5.Nd2 Kg6 6.Qd7 Kh6 7.Nxc4 Kg6 8.Nd6 Kh6 9.Ne8 Kg6 10.Qg7+
 24	00:00	 7,026k	8,030k	+M10	1.Bxc4 bxc4 2.Qxa4+ Kf7 3.Qd7+ Kg6 4.Qxd5 Kf6 5.Nd2 Kg6 6.Qd7 Kh6 7.Nxc4 Kg6 8.Nd6 Kh6 9.Ne8 Kg6 10.Qg7+
 25	00:01	 12,643k	8,178k	+M9	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa7+ Kf8 5.Qd7 Kg8 6.Qe7 Kh8 7.Bd7 Kg8 8.Bxf5 Kh8 9.Qh7+
 26	00:02	 17,767k	8,241k	+M9	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa7+ Kf8 5.Qd7 Kg8 6.Qe7 Kh8 7.Bd7 Kg8 8.Bxf5 Kh8 9.Qh7+
 27	00:02	 23,693k	8,426k	+M9	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa7+ Kf8 5.Qd7 Kg8 6.Qe7 Kh8 7.Bd7 Kg8 8.Bxf5 Kh8 9.Qh7+
 28	00:03	 27,677k	8,436k	+M9	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa7+ Kf8 5.Qd7 Kg8 6.Qe7 Kh8 7.Bd7 Kg8 8.Bxf5 Kh8 9.Qh7+
 29	00:04	 38,328k	8,489k	+M9	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa7+ Kf8 5.Qd7 Kg8 6.Qe7 Kh8 7.Bd7 Kg8 8.Bxf5 Kh8 9.Qh7+
 30	00:05	 49,955k	8,641k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 31	00:07	 64,768k	8,838k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 32	00:09	 82,711k	8,838k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 33	00:12	 113,916k	9,023k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 34	00:14	 133,415k	9,152k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 35	00:17	 163,278k	9,330k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 36	00:21	 210,699k	9,598k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 37	00:23	 234,361k	9,791k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 38	00:27	 277,907k	10,135k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+
 39	00:32	 338,895k	10,423k	+M8	1.Bxc4 Kf7 2.Bxb5 Kg8 3.Qxa4 Kg7 4.Qa8 Kf7 5.Qh8 Ke7 6.Qg7+ Ke6 7.Ba4 Kd6 8.Qe5+

MOBMAT · Post by **MOBMAT** » Sun Apr 19, 2020 10:02 pm

Mate in...? I ran SF on it (no tbs) and at depth 70 it still hadn't announced mate. I'm curious if somebody with tbs and good hardware can check it.
[d]8/8/8/4b1k1/8/5P2/Pp5p/1K5R w - -

jm

H6 using 5 man Nalimov finds it...
The goal is to promote the a-pawn after which it is Q vs B ending....

Code: Select all

FEN: 8/8/8/4b1k1/8/5P2/Pp5p/1K5R w - - 0 1

Houdini 6:
 17	00:00	 9,182k	12,375k	+4.31	1.a4 Bc7 2.f4+ Kg6 3.Rxh2 Bd8 4.Rxb2 Kf7 5.f5 Ke7 6.Rb5 Kd6 7.Kc2 Kc7 8.Kb3 Kd7 9.a5
 18	00:01	 14,146k	12,596k	+4.40	1.a4 Kf5 2.f4 Bc3 3.Rxh2 Ke6 4.Rh6+ Ke7 5.f5 Kd7 6.Re6 Bd4 7.a5 Kc7 8.f6 Kb7 9.f7 Bg7 10.Rd6 Bf8 11.Rb6+
 19	00:01	 19,841k	12,677k	+4.48	1.a4 Kf6 2.f4 Bc3 3.Rxh2 Ke7 4.Rh3 Bd2 5.f5 Ba5 6.Rh6 Bc3 7.Rb6 Kf7 8.Rb5 Ke7 9.a5 Bd4 10.Rb4
 20	00:02	 31,515k	12,570k	+5.67	1.a4 Kg6 2.f4 Bc3 3.Rxh2 Be1 4.Rxb2 Kf6 5.f5 Bc3 6.Rb5 Ke7 7.Kc2 Bd4 8.a5 Kd6 9.Kd3 Bg1 10.a6 Kc6 11.Kc4
 21	00:02	 38,065k	12,920k	+5.02	1.a4 Kf6 2.f4 Bc3 3.Rxh2 Ke7 4.Rh3 Bd2 5.f5 Ba5 6.Rh6 Kf7 7.Kxb2 Ke7 8.Kb3 Bd8 9.Re6+ Kf8 10.Kc4 Bc7 11.Rf6+ Ke7 12.Rh6 Ba5 13.Re6+
 22	00:04	 57,833k	13,480k	+5.81	1.a4 Kf5 2.f4 Bc3 3.Rxh2 Ke6 4.Rh3 Bb4 5.Rb3 Bd2 6.f5+ Ke7 7.Rb5 Kd6 8.Kxb2 Be3 9.Kb3 Bd4 10.Kc4 Bf6 11.a5 Ke7 12.Kb3
 23	00:07	 102,190k	14,212k	+6.81	1.a4 Kh4 2.a5 Kg3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Kg4 8.f7 Bg7 9.f8Q Bxf8 10.a7 Kf4 11.a8Q Bg7 12.Qa7 Be5 13.Kc2
 24	00:09	 136,449k	14,692k	+8.97	1.a4 Kf6 2.f4 Bc3 3.Rxh2 Ke7 4.Rh3 Bd2 5.Rb3 Ke6 6.f5+ Ke7 7.Rb7+ Kd8 8.Rb5 Be3 9.a5 Kc7 10.a6 Bd4 11.Rb7+ Kc8 12.Rb3 Kc7 13.f6 Kd8 14.Rb5 Bxf6 15.Rb3
 25	00:17	 263,833k	15,358k	+12.66	1.a4 Kf4 2.Rxh2 Kg3 3.Rh7 Bc3 4.Rb7 Bd4 5.Kc2 Kf2 6.Rb4 b1R 7.Kxb1 Bc3 8.Rb3 Ba5 9.Rb5 Bc7 10.a5 Bf4 11.a6 Be3 12.Rb3 Bc5 13.Rb2+ Kf1 14.Rb7 Kg2 15.a7
 26	00:26	 411,705k	15,621k	+12.77	1.a4 Kf4 2.Rxh2 Bc3 3.Rh4+ Ke3 4.Rh3 Bd2 5.f4+ Ke4 6.Rh2 Bc3 7.Rxb2 Bf6 8.Rb6 Bc3 9.Rb3 Bd2 10.Rb5 Kd4 11.f5 Kc4 12.f6 Bc3 13.f7 Bg7 14.Rb8 Be5
 27	00:37	 594,417k	15,925k	+80.28	1.a4 Bd4 2.Rxh2 Kf5 3.Rxb2 Ke5 4.f4+ Ke6 5.Rb5 Kd6 6.f5 Kc7 7.Kc2 Kc6 8.Rb3 Bg1 9.f6 Kd6 10.f7 Ke7 11.a5 Bc5 12.Rb7+ Kf8 13.Rb8+ Kxf7 14.Rb7+
 28	01:16	 1,218,111k	15,947k	+80.92	1.a4 Kf4 2.Rxh2 Bc3 3.Rh4+ Ke3 4.f4 Kd4 5.Rh3 Bd2 6.Rh5 Kc3 7.a5 Bxf4 8.a6 Bb8 9.Rh7 Kb4 10.Rb7+ Ka5 11.Rxb8 Kxa6 12.Rxb2 Ka7 13.Kc2 Ka8 14.Kd3 Ka7 15.Kc4 Ka8 16.Kc5
 29	01:52	 1,788,895k	15,951k	+90.88	1.a4 Bc7 2.f4+ Kh4 3.Rxh2+ Kg4 4.Rc2 Bb6 5.f5 Kg5 6.Rg2+ Kh5 7.Rxb2 Bd4 8.a5 Be3 9.f6 Kg6 10.a6 Kf7 11.Rb7+ Kf8 12.a7 Bxa7 13.Rxa7 Kg8 14.f7+ Kf8 15.Kc2 Kg7 16.Kb2 Kf8 17.Kb3 Kg7 18.Kc4
 30	02:01	 1,932,944k	15,941k	+80.78	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kg1 7.Ka2 Kf2 8.f6 Ke1 9.f7 Bg7 10.Kb1 Kf1 11.a7 Kg1 12.f8Q Bxf8 13.a8Q Bc5 14.Qg8+ Kf2 15.Qc4 Be3 16.Kxb2 Kg3 17.Qg8+ Kf4 18.Qb8+ Ke4 19.Qb7+ Ke5 20.Qc7+ Ke4
 31	02:02	 1,954,796k	15,919k	+80.05	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kg1 7.Ka2 Kf1 8.f6 Ke2 9.f7 Bg7 10.Kb1 Kf2 11.a7 Kg1 12.f8Q Bxf8 13.a8Q Bc5 14.Qg8+ Kf2 15.Qg5 Be3 16.Qh4+ Kg2 17.Qe4+ Kf2 18.Kxb2 Bd2
 32	02:03	 1,963,700k	15,914k	+80.05	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kg1 7.Ka2 Kf1 8.f6 Kf2 9.f7 Bg7 10.Kb1 Kf1 11.a7 Kg1 12.f8Q Bxf8 13.a8Q Bc5 14.Qg8+ Kf2 15.Qg5 Be3 16.Qh4+ Kg2 17.Qe4+ Kf2 18.Kxb2 Bd2 19.Qf5+ Ke3 20.Qc5+ Ke4 21.Qc6+ Ke3
 33	02:42	 2,604,050k	16,014k	+M32	1.a4 Bd4 2.f4+ Kg4 3.Rxh2 Bf6 4.Rh6 Bc3 5.Rc6 Be1 6.Rc5 Bf2 7.Rd5 Kf3 8.a5 Ke3 9.a6 Ke4 10.Rb5 Bg1 11.f5 Kd3 12.f6 Bf2 13.f7 Kc4 14.Rxb2 Bh4 15.f8Q Be1 16.Qf1+ Kd5 17.Qxe1 Kd6
 34	02:56	 2,835,964k	16,085k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 35	02:57	 2,859,708k	16,098k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kg3 7.f6 Bxf6
 36	02:58	 2,869,801k	16,103k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kg3 7.f6 Bxf6
 37	03:00	 2,906,022k	16,111k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 38	03:00	 2,914,071k	16,114k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 39	03:01	 2,924,104k	16,118k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 40	03:03	 2,963,115k	16,126k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 41	03:04	 2,977,187k	16,132k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 42	03:06	 3,009,028k	16,151k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 43	03:06	 3,021,634k	16,158k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 44	03:09	 3,063,971k	16,189k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 45	03:13	 3,143,826k	16,238k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 46	03:14	 3,153,220k	16,242k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 47	03:17	 3,217,629k	16,290k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 48	03:19	 3,262,867k	16,321k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 49	03:33	 3,503,504k	16,438k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 50	03:54	 3,861,541k	16,470k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 51	03:56	 3,895,174k	16,479k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 52	04:11	 4,153,131k	16,527k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 53	04:26	 4,400,421k	16,508k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 54	04:41	 4,633,793k	16,487k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 55	04:43	 4,670,465k	16,482k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 56	04:49	 4,769,433k	16,488k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 57	04:54	 4,861,921k	16,495k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 58	04:57	 4,896,349k	16,482k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 59	04:58	 4,919,745k	16,470k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 60	05:00	 4,952,497k	16,458k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6
 61	05:05	 5,033,131k	16,452k	+M31	1.a4 Kh4 2.a5 Kh3 3.a6 Bd4 4.f4 Kg2 5.Rxh2+ Kxh2 6.f5 Kh3 7.f6 Bxf6

JVMerlino · Post by **JVMerlino** » Mon Apr 20, 2020 12:20 am

Mate in 31! Thanks!

MikeB · Post by **MikeB** » Tue Apr 21, 2020 6:14 am

xr_a_y wrote: ↑Sun Apr 19, 2020 3:56 pm Mate in #8

[d] 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/RNBQKBNR w KQ - 0 1

If it's too hard, try this

[d] 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/3QKB2 w - - 0 1

# honey-FD-dev-041820
Honey FD 041820 by M. Byrne and scores of others...
info string Hash LargePages 256 Mb
s t 10
Confirmation: Threads set to 10
s h 32768
info string Hash LargePages 32768 Mb
p f Confirmation: Hash set to 32768
4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/RNBQKBNR w KQ - 0 1
d

+---+---+---+---+---+---+---+---+
| | | | | k | | | |
+---+---+---+---+---+---+---+---+
| | | | | | | | |
+---+---+---+---+---+---+---+---+
| | | | | | | | |
+---+---+---+---+---+---+---+---+
| | p | | p | | p | | p |
+---+---+---+---+---+---+---+---+
| p | P | p | P | p | P | p | P |
+---+---+---+---+---+---+---+---+
| P | | P | | P | | P | |
+---+---+---+---+---+---+---+---+
| | | | | | | | |
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K | B | N | R |
+---+---+---+---+---+---+---+---+

Fen: 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/RNBQKBNR w KQ - 0 1
Key: 7092C958897C30E9
Checkers:
g i m 8

Pro Analysis value2: 0

info depth 1 seldepth 1 multipv 1 score cp 2828 nodes 285 nps 57000 tbhits 0 time 5 pv b1d2
info depth 2 seldepth 2 multipv 1 score cp 2813 nodes 988 nps 197600 tbhits 0 time 5 pv b1d2 e8f7
info depth 3 seldepth 3 multipv 1 score cp 2838 nodes 1712 nps 342400 tbhits 0 time 5 pv b1d2 e8f7 g1e2
info depth 4 seldepth 4 multipv 1 score cp 2824 nodes 3231 nps 646200 tbhits 0 time 5 pv b1d2 e8f7 g1e2 f7g7
info depth 5 seldepth 5 multipv 1 score cp 2839 nodes 5992 nps 998666 tbhits 0 time 6 pv b1d2 e8f7 g1e2 f7g7 e1f2
info depth 6 seldepth 6 multipv 1 score cp 2839 nodes 10297 nps 1716166 tbhits 0 time 6 pv b1d2 e8f7 g1e2 f7g6 e1f2 g6g7
info depth 7 seldepth 7 multipv 1 score cp 2847 nodes 16428 nps 2738000 tbhits 0 time 6 pv b1d2 e8f7 g1e2 f7g6 e1f2 g6g7 f1g2
info depth 8 seldepth 13 multipv 1 score cp 2855 nodes 30595 nps 4370714 tbhits 0 time 7 pv g1e2 e8f7 b1d2 f7g6 c1b2 g6g7 e1f2 g7g6 f2g2
info depth 9 seldepth 102 multipv 1 score cp 2849 nodes 1469834 nps 11573496 tbhits 0 time 127 pv g1e2 e8f7 b1d2 f7g7 a1b1 g7f7 d1c2 f7e7 f1g2 e7d7
info depth 10 seldepth 103 multipv 1 score cp 2853 nodes 11223759 nps 11740333 tbhits 0 time 956 pv g1h3 e8e7 h3g5 e7d6 c1b2 d6d7 b1d2 d7e7 f1g2 e7f6
info depth 11 seldepth 19 multipv 1 score cp 2853 nodes 11235073 nps 11739888 tbhits 0 time 957 pv g1h3 e8e7 h3g5 e7d6 c1b2 d6d7 b1d2 d7e7 f1g2 e7f6 e1g1 f6e7 a1b1 e7f6

info 5 seconds

info 10 seconds

info 15 seconds

info 20 seconds
info depth 12 seldepth 124 multipv 1 score cp 2861 nodes 283810818 nps 11360157 hashfull 48 tbhits 0 time 24983 pv g1h3 e8e7 h3g5 e7f6 f1e2 f6e7 c1b2 e7d7 e2f1 d7e7 b1d2 e7f6 f1g2 f6e7 a1c1 e7f6 d2b1 f6e7 e1f2 e7f6 h1e1 f6g7 b1d2

info 25 seconds
info depth 13 seldepth 87 multipv 1 score cp 2857 nodes 284292548 nps 11361703 hashfull 48 tbhits 0 time 25022 pv g1h3 e8e7 h3g5 e7f6 f1e2 f6e7 c1b2 e7f6 d1c2 f6e7 b1d2 e7f6 d2f1 f6e7 e2d1 e7f6 c2e2 f6e7 f1d2 e7f6 d1c2 f6e7 b2c1 e7f6 d2b1 f6e7 c1d2 e7f6 e2d1 f6e7 e1g1 e7d6 g5f7 d6d7 f7e5 d7c7 d2c1 c7d6 g1g2 d6e7 d1d2 e7f8
info depth 14 seldepth 101 multipv 1 score cp 2861 nodes 294367320 nps 11380913 hashfull 50 tbhits 0 time 25865 pv g1h3 e8f7 h3g5 f7e7 c1b2 e7f6 b1d2 f6e7 f1g2 e7f6 d1b1 f6e7 b1a2 e7f6 d2f1 f6e7 f1h2 e7f6 b2c1 f6e7 g2f1 e7f6 f1e2 f6e7 e1g1 e7d8 g5e6 d8e7 e6c5 e7d6 g1g2 d6e7 a2c2 e7f6 c1b2 f6g6 f1d1
info depth 15 seldepth 114 multipv 1 score cp 2853 nodes 321059954 nps 11520325 hashfull 54 tbhits 0 time 27869 pv g1h3 e8f7 h3g5 f7e7 c1b2 e7f6 b1d2 f6e7 f1g2 e7f6 d1b1 f6e7 b1a2 e7f6 d2f1 f6e7 f1h2 e7f6 b2c1 f6e7 g2f1 e7f6 f1e2 f6e7 e1g1 e7d7 g5f7 d7e7 f7e5 e7d6 a2d2 d6c7 c1b2 c7d6 e5g6 d6d7 f1c1 d7d6 a1b1 d6e6 g6e5 e6d6 g1g2 d6c7 c1d1 c7c8 d1g1 c8c7 e5f7 c7d7 f7h6 d7e6 b1d1 e6f6

info 30 seconds
info depth 16 seldepth 114 multipv 1 score cp 2853 nodes 357409361 nps 11751475 hashfull 59 tbhits 0 time 30414 pv g1h3 e8f7 h3g5 f7e7 c1b2 e7f6 b1d2 f6e7 f1g2 e7f6 d1b1 f6e7 b1a2 e7f6 d2f1 f6e7 f1h2 e7f6 b2c1 f6e7 g2f1 e7f6 f1e2 f6e7 e1g1 e7d7 g5f7 d7e7 f7e5 e7d6 a2d2 d6c7 c1b2 c7d6 e5g6 d6d7 f1c1 d7d6 a1b1 d6e6 g6e5 e6d6 g1g2 d6c7 c1d1 c7c8 d1g1 c8c7 e5f7 c7d7 f7h6 d7e6 b1d1 e6f6
info depth 22 seldepth 69 multipv 1 score mate 8 nodes 357409361 nps 11751475 hashfull 59 tbhits 0 time 30414 pv f1c4 e8f7 c4b5 f7g6 d1a4 g6g7 a4a8 g7f7 a8h8 f7e7 h8g7 e7e6 b5e8 e6d6
bestmove f1c4 ponder e8f7

MikeB · Post by **MikeB** » Tue Apr 21, 2020 6:18 am

xr_a_y wrote: ↑Sun Apr 19, 2020 4:05 pm
xr_a_y wrote: ↑Sun Apr 19, 2020 3:56 pm Mate in #8

[d] 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/RNBQKBNR w KQ - 0 1

If it's too hard, try this

[d] 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/3QKB2 w - - 0 1
Minic is finding f1c4 more or less immediately but has trouble with the continuation ...

You can also try this one for more zugzwang

[d] 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/3RKB2 w - - 0 1

# honey-FD-dev-041820
Honey FD 041820 by M. Byrne and scores of others...
info string Hash LargePages 256 Mb
p f 4k3/8/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/3QKB2 w - - 0 1
s t 10
Confirmation: Threads set to 10
s h 32768
info string Hash LargePages 32768 Mb
g i m 8Confirmation: Hash set to 32768

Pro Analysis value2: 0

info depth 1 seldepth 1 multipv 1 score cp 1129 nodes 368 nps 184000 tbhits 0 time 2 pv e1f2
info depth 2 seldepth 2 multipv 1 score cp 1108 nodes 1644 nps 822000 tbhits 0 time 2 pv e1f2 e8f7
info depth 3 seldepth 3 multipv 1 score cp 1110 nodes 2270 nps 1135000 tbhits 0 time 2 pv e1d2 e8f7 d1e2
info depth 4 seldepth 4 multipv 1 score cp 1112 nodes 3357 nps 1678500 tbhits 0 time 2 pv e1f2 e8f7 f1g2 f7g7
info depth 5 seldepth 5 multipv 1 score cp 1112 nodes 4366 nps 2183000 tbhits 0 time 2 pv e1f2 e8f8 f1g2 f8g7 d1d2
info depth 6 seldepth 12 multipv 1 score cp 1112 nodes 9546 nps 4773000 tbhits 0 time 2 pv e1f2 e8f8 f1g2 f8f7 d1e2 f7g7
info depth 7 seldepth 101 multipv 1 score cp 1085 nodes 61683 nps 12336600 tbhits 0 time 5 pv e1f2 e8f8 f1g2 f8f7 d1f1 f7g7
info depth 8 seldepth 50 multipv 1 score cp 1026 nodes 165932 nps 18436888 tbhits 0 time 9 pv f1c4 d5c4 d4d5 e8f8 d5d6 f8g7 e1f1 g7g8
info depth 9 seldepth 15 multipv 1 score cp 1052 nodes 171173 nps 17117300 tbhits 0 time 10 pv f1c4 d5c4 d4d5 e8f7 d1d4 f7e7 d4e5 e7d8 e5f5
info depth 10 seldepth 14 multipv 1 score cp 1097 nodes 188927 nps 18892700 tbhits 0 time 10 pv f1c4 d5c4 d4d5 e8d8 d5d6 d8d7 d1d5 d7e8 d5b5 e8f7 b5f5 f7g7 f5e5 g7g8 e5e4
info depth 11 seldepth 15 multipv 1 score cp 1133 nodes 205868 nps 18715272 tbhits 0 time 11 pv f1c4 d5c4 d4d5 e8d8 d5d6 d8d7 d1d5 d7e8 d5f5 e8d8 f5b5 d8c8 b5e8 c8b7
info depth 12 seldepth 20 multipv 1 score cp 1207 nodes 231210 nps 19267500 tbhits 0 time 12 pv f1c4 d5c4 d4d5 e8d8 d5d6 d8d7 d1d5 d7e8 d5f5 e8d8 f5b5 d8c8 e1f1
info depth 13 seldepth 22 multipv 1 score cp 1262 nodes 270774 nps 19341000 tbhits 0 time 14 pv f1c4 b5c4 d1a4 e8e7 a4c6 e7f7 c6d5 f7g6 d5e6 g6g7 e6f5 g7g8 f5h5 g8g7 h5e5 g7f7
info depth 14 seldepth 24 multipv 1 score cp 1447 nodes 431759 nps 21587950 tbhits 0 time 20 pv f1c4 e8f8 c4b5 f8e7 d1a4 e7f7 b5e8 f7g8 a4c6 g8g7 e8d7 g7f8
info depth 15 seldepth 18 multipv 1 score cp 1771 nodes 509684 nps 22160173 tbhits 0 time 23 pv f1c4 d5c4 d4d5 e8f7 d5d6 f7f6 e1f1 f6e6 d6d7 e6f6 d7d8q f6f7
info depth 16 seldepth 22 multipv 1 score cp 4325 nodes 544160 nps 21766400 tbhits 0 time 25 pv f1c4 b5c4 d1a4 e8e7 a4c6 e7d8 c6d5 d8c7 d5c4 c7b6 c4c5 b6a6 c5f5 a6b6 f5e4 b6b5
info depth 17 seldepth 34 multipv 1 score cp 4722 nodes 916844 nps 22921100 tbhits 0 time 40 pv f1c4 e8f7 c4b5 f7f6 d1a4 f6f7 b5e8 f7f8 e8h5 f8e7 a4c6 e7d8 c6d5 d8e7 d5c5 e7e6 c5e5 e6d7 e5f5 d7c7 f5e4
info depth 18 seldepth 36 multipv 1 score mate 8 nodes 1786324 nps 22901589 tbhits 0 time 78 pv f1c4 e8f7 c4b5 f7f6 d1a4 f6g7 a4a8 g7f7 a8e8 f7f6 b5d7 f6g7 d7f5 g7f6 e8f8
bestmove f1c4 ponder e8f7

xr_a_y · Post by **xr_a_y** » Thu Apr 30, 2020 12:31 pm

Black has a mate in one, but white to play will mate in #??

[d] 6Q1/p1p1R3/k2p4/8/2pq4/1P1n1P2/P7/1K5R w - - 0 1

Ignacio · Post by **Ignacio** » Thu Apr 30, 2020 1:27 pm

Mate in 19.

Vinvin · Post by **Vinvin** » Thu Apr 30, 2020 6:12 pm

Ignacio wrote: ↑Thu Apr 30, 2020 1:27 pmMate in 19.

Yes !
2 best lines after 1.Qc8+ :

Code: Select all

FEN: 2Q5/p1p1R3/k2p4/8/2pq4/1P1n1P2/P7/1K5R b - - 1 1

Crystal-2020-04-22:
...
 33/26	02:10	1 190 250 061	9 097 545	+M13	1. ... Ka5 2.Qxc7+ Kb4 3.Qb8+ Kc3 4.Re4 Qd5 5.Rxc4+ Qxc4 6.bxc4 Kd2 7.Qxd6 Ke2 8.Qd4 a5 9.Rh2+ Kxf3 10.Qxd3+ Kf4 11.Rf2+ Kg4 12.Qd4+ Kg3 13.Qf4+ Kh3 14.Rh2+
 34/59	02:10	1 190 250 061	9 097 545	+M18	1. ... Kb5 2.Qb7+ Qb6 3.Qd5+ Nc5 4.Rhh7 Qb7 5.Qxc4+ Kb6 6.Rxc7 Qxc7 7.Rxc7 Kxc7 8.b4 Kb6 9.bxc5+ Kc6 10.cxd6+ Kxd6 11.f4 Ke7 12.f5 Kf6 13.Qe6+ Kg5 14.f6 Kg6 15.f7+ Kg7 16.Qe7 Kh7 17.f8Q+ Kg6 18.Qf4 a5 19.Qef7+

xr_a_y · Post by **xr_a_y** » Sat May 09, 2020 1:05 pm

Is there a mate here ?

[d] r1bq1r1k/3nbp1B/p1n1p1p1/1p1p2P1/2p2P1P/1PN1PN2/PBPPQ3/R3K2R w KQ - 0 14

First move probably h5

Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates

Re: Other fun mates