Why McBrain?

Discussion of anything and everything relating to chess playing software and machines.

Moderators: hgm, Rebel, chrisw

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MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Why McBrain?

Post by MikeB »

we all have seen this something like this...:

[d]1r4rk/4Nq2/7K/8/8/6R1/b5Q1/6R1 w - - 0 1

nice mate in 4 - but you would never think that looking here...

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 88	+132.77 	2.55G	1:30.53	Rxg8+ Rxg8 Qxg8+ Qxg8 
 87	+132.77 	2.34G	1:23.36	Rxg8+ Rxg8 Qxg8+ Qxg8 
 86	+132.77 	2.25G	1:20.22	Rxg8+ Rxg8 Qxg8+ Qxg8 
 85	+132.77 	2.22G	1:19.33	Rxg8+ Rxg8 Qxg8+ Qxg8 
 84	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 83	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 82	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 81	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 80	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 79	+132.77 	2.01G	1:11.93	Rxg8+ Rxg8 Qxg8+ Qxg8 
 78	+132.77 	2.01G	1:11.93	Rxg8+ Rxg8 Qxg8+ Qxg8 
 77	+132.77 	380.8M	0:14.34	Rxg8+ Rxg8 Qxg8+ Qxg8 
 76	+132.77 	293.1M	0:11.19	Rxg8+ Rxg8 Qxg8+ Qxg8 
 75	+132.77 	292.1M	0:11.15	Rxg8+ Rxg8 Qxg8+ Qxg8 
 74	+132.77 	291.4M	0:11.12	Rxg8+ Rxg8 Qxg8+ Qxg8 
 73	+132.77 	291.3M	0:11.12	Rxg8+ Rxg8 Qxg8+ Qxg8 
 72	+132.77 	128.3M	0:05.07	Rxg8+ Rxg8 Qxg8+ Qxg8 
 71	+132.77 	123.5M	0:04.88	Rxg8+ Rxg8 Qxg8+ Qxg8 
 70	+132.77 	80.5M  	0:03.21	Rxg8+ Rxg8 Qxg8+ Qxg8 
 69	+132.77 	65.4M  	0:02.64	Rxg8+ Rxg8 Qxg8+ Qxg8 
 68	+132.77 	64.0M  	0:02.58	Rxg8+ Rxg8 Qxg8+ Qxg8 
 67	+132.77 	63.5M  	0:02.56	Rxg8+ Rxg8 Qxg8+ Qxg8 
 66	+132.77 	59.2M  	0:02.40	Rxg8+ Rxg8 Qxg8+ Qxg8 
 65	+132.77 	57.4M  	0:02.33	Rxg8+ Rxg8 Qxg8+ Qxg8 
 64	+132.77 	57.4M  	0:02.32	Rxg8+ Rxg8 Qxg8+ Qxg8 
 63	+132.77 	28.2M  	0:01.19	Rxg8+ Rxg8 Qxg8+ Qxg8 
 62	+132.77 	25.1M  	0:01.06	Rxg8+ Rxg8 Qxg8+ Qxg8 
 61	+132.77 	22.7M  	0:00.96	Rxg8+ Rxg8 Qxg8+ Qxg8 
 60	+132.77 	21.6M  	0:00.91	Rxg8+ Rxg8 Qxg8+ Qxg8 
 59	+132.77 	15.3M  	0:00.66	Rxg8+ Rxg8 Qxg8+ Qxg8 
 58	+132.77 	13.6M  	0:00.59	Rxg8+ Rxg8 Qxg8+ Qxg8 
 57	+132.77 	13.4M  	0:00.58	Rxg8+ Rxg8 Qxg8+ Qxg8 
 56	+132.77 	13.4M  	0:00.58	Rxg8+ Rxg8 Qxg8+ Qxg8 
 55	+132.77 	8.53M  	0:00.38	Rxg8+ Rxg8 Qxg8+ Qxg8 
 54	+132.77 	7.76M  	0:00.35	Rxg8+ Rxg8 Qxg8+ Qxg8 
 53	+132.77 	7.15M  	0:00.33	Rxg8+ Rxg8 Qxg8+ Qxg8 
 52	+132.77 	6.25M  	0:00.29	Rxg8+ Rxg8 Qxg8+ Qxg8 
 51	+132.77 	5.58M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 
 50	+132.77 	4.74M  	0:00.23	Rxg8+ Rxg8 Qxg8+ Qxg8 
 49	+132.77 	3.90M  	0:00.19	Rxg8+ Rxg8 Qxg8+ Qxg8 
 48	+132.77 	3.46M  	0:00.17	Rxg8+ Rxg8 Qxg8+ Qxg8 
 47	+132.77 	3.17M  	0:00.16	Rxg8+ Rxg8 Qxg8+ Qxg8 
 46	+132.77 	2.81M  	0:00.14	Rxg8+ Rxg8 Qxg8+ Qxg8 
 45	+132.77 	2.23M  	0:00.12	Rxg8+ Rxg8 Qxg8+ Qxg8 
 44	+132.77 	2.18M  	0:00.11	Rxg8+ Rxg8 Qxg8+ Qxg8 
 43	+132.77 	2.12M  	0:00.11	Rxg8+ Rxg8 Qxg8+ Qxg8 
 42	+132.77 	1.35M  	0:00.07	Rxg8+ Rxg8 Qxg8+ Qxg8 
 41	+132.77 	1.18M  	0:00.07	Rxg8+ Rxg8 Qxg8+ Qxg8 
 40	+132.77 	1.04M  	0:00.06	Rxg8+ Rxg8 Qxg8+ Qxg8 
 39	+132.77 	898263	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 
 38	+132.77 	808882	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 
 37	+132.77 	702048	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 
 36	+132.77 	622014	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 
 35	+132.77 	547090	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 
 34	+132.77 	462441	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 
 33	+132.77 	423530	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 32	+132.77 	343872	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 31	+132.77 	303438	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 30	+132.77 	257339	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 29	+132.77 	218544	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 28	+132.77 	188681	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 27	+132.77 	137311	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 26	+132.77 	116312	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 25	+132.77 	98735  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 24	+132.77 	80704  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 23	+132.77 	70603  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 22	+132.77 	63480  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 21	+132.77 	48896  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 20	+132.77 	46995  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 19	+132.77 	45933  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 18	+132.77 	35397  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 17	+132.77 	33708  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 16	+132.77 	26724  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 15	+132.77 	25060  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 14	+132.77 	21780  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 13	+132.77 	18752  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 12	+132.77 	18248  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 11	+132.77 	11652  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 10	+132.77 	10198  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
  9	+132.77 	9940    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
  8	+132.77 	8069    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
  7	+132.77 	6378    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 
  6	+132.77 	5904    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 
  5	+132.77 	5364    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 
  4	+132.77 	4427    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 
  3	+132.77 	3816    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 
  2	+7.39 	1517    	0:00.00	Rxg8+ Qxg8 Ng6+ Qxg6+ Kxg6 
  1	+9.78 	1346    	0:00.00	Rxg8+ Rxg8 Qb2+ Rg7 Rxg7 
McBrain v2.7

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
110	    #4 	159.6M	0:06.49	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
109	    #4 	159.6M	0:06.49	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
108	    #4 	159.6M	0:06.49	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
107	    #4 	156.3M	0:06.36	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
106	    #4 	115.2M	0:04.65	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
105	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
104	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
103	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
102	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
101	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
100	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 99	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 98	    #4 	95.1M  	0:03.86	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 97	    #4 	95.1M  	0:03.86	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 96	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 95	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 94	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 93	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 92	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 91	    #4 	77.1M  	0:03.10	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 90	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 89	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 88	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 87	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 86	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 85	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 84	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 83	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 82	    #4 	45.2M  	0:01.79	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 81	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 80	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 79	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 78	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 77	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 76	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 75	    #4 	32.9M  	0:01.25	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 74	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 73	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 72	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 71	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 70	    #4 	16.2M  	0:00.59	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 69	    #4 	14.8M  	0:00.53	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 68	    #4 	13.5M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 67	    #4 	13.4M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 66	    #4 	13.4M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 65	    #4 	13.3M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 64	    #4 	12.7M  	0:00.46	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 63	    #4 	12.7M  	0:00.45	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 62	    #4 	11.1M  	0:00.40	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 61	    #4 	11.1M  	0:00.40	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 60	    #4 	8.58M  	0:00.30	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 59	    #4 	8.55M  	0:00.30	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 58	    #4 	8.16M  	0:00.29	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 57	    #4 	8.04M  	0:00.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 56	    #4 	7.50M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 55	    #4 	7.49M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 54	    #4 	7.37M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 53	    #4 	7.37M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 52	    #4 	2.48M  	0:00.09	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 51	    #4 	2.47M  	0:00.09	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 50	    #4 	1.89M  	0:00.07	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 49	    #4 	1.67M  	0:00.06	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 48	    #4 	1.42M  	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 47	    #4 	1.36M  	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 46	    #4 	1.29M  	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 45	    #4 	1.17M  	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 44	    #4 	1.04M  	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 43	    #4 	1.01M  	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 42	    #4 	917375	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 41	    #4 	872312	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 40	    #4 	806760	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 39	    #4 	775435	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 38	    #4 	743631	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 37	    #4 	682321	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 36	    #4 	648326	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 35	    #4 	601734	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 34	    #4 	589693	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 33	    #4 	541274	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 32	    #4 	476489	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 31	    #4 	435267	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 30	    #4 	422041	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 29	    #4 	387241	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 28	    #4 	355880	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 27	    #4 	305363	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 26	    #4 	270668	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 25	    #4 	234713	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 24	    #4 	210476	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 23	    #4 	176796	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 22	    #4 	166777	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 21	    #4 	142789	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 20	    #4 	121096	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 19	    #4 	103248	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 18	    #4 	71949  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 17	    #4 	58848  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 16	    #4 	55450  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 15	    #4 	47296  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 14	    #4 	32038  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 13	    #4 	21062  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 12	    #4 	17555  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 11	    #4 	16065  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 10	    #4 	11542  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  9	    #4 	9344    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  8	    #4 	9261    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  7	    #4 	9023    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  6	    #4 	8362    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  5	    #4 	7212    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  4	    #4 	5886    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 Rxg8+ Bxg8 Ng6# 
  3	    #4 	4884    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 Rxg8+ Bxg8 
  2	+7.15 	1843    	0:00.00	Rxg8+ Qxg8 Nxg8 
  1	+9.78 	1401    	0:00.00	Rxg8+ Rxg8 Qb2+ Rg7 Rxg7 
User avatar
MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: Why McBrain?

Post by MikeB »

same thing with this related position Mate-in-3:

[d]1r5k/4NP1b/7K/8/6R1/8/8/8 w - - 0 1
jdart
Posts: 4366
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: Why McBrain?

Post by jdart »

Arasan doesn't have any trouble with this, although it doesn't select the fastest mate. A recent dev version:

Code: Select all

 bm Rg8+
1       0.00    Nc6     +3.92   17
1       0.00    Nc6     +3.92   229
2       0.00    Ng6+    +3.39   365
2       0.00    Rf4     +3.42   467
2       0.00    Rg7!    +6.11   943
2       0.00    Rg7     +6.33   1430
3       0.00    Rg7!    +8.51   1566
3       0.00    Rg7!    +9.08   1617
3       0.00    Rg7!    +9.83   1685
3       0.00    Rg7!    +11.33  1770
3       0.01    Rg7!    +14.33  1889
3       0.01    Rg7     +Mate10 2186
4       0.01    Rg7     +Mate7  2324
5       0.01    Rg7     +Mate4  2655
6       0.01    Rg7     +Mate4  2813
401.86k nodes/second.
0 tablebase probes, 0 tablebase hits
0 splits, average thread usage=-nan(ind)
result: Rg7     score: +Mate4           ** not solved in 0.007 secs. (2.813K nodes)
Rg7 Rb6+ Ng6+ Rxg6+ Rxg6 Bxg6 f8=Q#

solution times:
         0      1      2      3      4      5      6      7      8      9

   0 |         ***

correct : 0/1
test complete
User avatar
MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: Why McBrain?

Post by MikeB »

jdart wrote:Arasan doesn't have any trouble with this, although it doesn't select the fastest mate. A recent dev version:

Code: Select all

 bm Rg8+
1       0.00    Nc6     +3.92   17
1       0.00    Nc6     +3.92   229
2       0.00    Ng6+    +3.39   365
2       0.00    Rf4     +3.42   467
2       0.00    Rg7!    +6.11   943
2       0.00    Rg7     +6.33   1430
3       0.00    Rg7!    +8.51   1566
3       0.00    Rg7!    +9.08   1617
3       0.00    Rg7!    +9.83   1685
3       0.00    Rg7!    +11.33  1770
3       0.01    Rg7!    +14.33  1889
3       0.01    Rg7     +Mate10 2186
4       0.01    Rg7     +Mate7  2324
5       0.01    Rg7     +Mate4  2655
6       0.01    Rg7     +Mate4  2813
401.86k nodes/second.
0 tablebase probes, 0 tablebase hits
0 splits, average thread usage=-nan(ind)
result: Rg7     score: +Mate4           ** not solved in 0.007 secs. (2.813K nodes)
Rg7 Rb6+ Ng6+ Rxg6+ Rxg6 Bxg6 f8=Q#

solution times:
         0      1      2      3      4      5      6      7      8      9

   0 |         ***

correct : 0/1
test complete
yes - when not using 5 or 6 man syzygy most engines do not have an issue - only become an issue when using syzygy for some engines.
jdart
Posts: 4366
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: Why McBrain?

Post by jdart »

This is with 5-man Syzygy enabled.

--Jon
Dirt
Posts: 2851
Joined: Wed Mar 08, 2006 10:01 pm
Location: Irvine, CA, USA

Re: Why McBrain?

Post by Dirt »

MikeB wrote:yes - when not using 5 or 6 man syzygy most engines do not have an issue - only become an issue when using syzygy for some engines.
What issue? Unless you found a case where white fails to mate there is no problem. Mate in N puzzles demand a dedicated solver.
Deasil is the right way to go.
User avatar
MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: Why McBrain?

Post by MikeB »

Dirt wrote:
MikeB wrote:yes - when not using 5 or 6 man syzygy most engines do not have an issue - only become an issue when using syzygy for some engines.
What issue? Unless you found a case where white fails to mate there is no problem. Mate in N puzzles demand a dedicated solver.
Agree - its a nice to have issue when in analysis mode to see the mate-ixx - not an issue in game play and I agree with that 100%.

Just a general comment not directed at anybody -Why are People are so sensitive around here? You post something the you thought would be not offensive to anybody - yet somebody gets offended by it. Or you post something that is not 100% correct but for simplicity you used plainer language and people have the need to point it out but it really does not change the point one was making. Way too much drama for me for something that is supposed to be a hobby.
User avatar
MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: Why McBrain?

Post by MikeB »

jdart wrote:This is with 5-man Syzygy enabled.

--Jon
Cool than you're good! I only mentioned that because I saw no probes in your output.
carldaman
Posts: 2283
Joined: Sat Jun 02, 2012 2:13 am

Re: Why McBrain?

Post by carldaman »

MikeB wrote:
Dirt wrote:
MikeB wrote:yes - when not using 5 or 6 man syzygy most engines do not have an issue - only become an issue when using syzygy for some engines.
What issue? Unless you found a case where white fails to mate there is no problem. Mate in N puzzles demand a dedicated solver.
Agree - its a nice to have issue when in analysis mode to see the mate-ixx - not an issue in game play and I agree with that 100%.

Just a general comment not directed at anybody -Why are People are so sensitive around here? You post something the you thought would be not offensive to anybody - yet somebody gets offended by it. Or you post something that is not 100% correct but for simplicity you used plainer language and people have the need to point it out but it really does not change the point one was making. Way too much drama for me for something that is supposed to be a hobby.
+1 :roll:
MikeGL
Posts: 1010
Joined: Thu Sep 01, 2011 2:49 pm

Re: Why McBrain?

Post by MikeGL »

MikeB wrote:we all have seen this something like this...:

[d]1r4rk/4Nq2/7K/8/8/6R1/b5Q1/6R1 w - - 0 1

nice mate in 4 - but you would never think that looking here...

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 88	+132.77 	2.55G	1:30.53	Rxg8+ Rxg8 Qxg8+ Qxg8 
 87	+132.77 	2.34G	1:23.36	Rxg8+ Rxg8 Qxg8+ Qxg8 
 86	+132.77 	2.25G	1:20.22	Rxg8+ Rxg8 Qxg8+ Qxg8 
 85	+132.77 	2.22G	1:19.33	Rxg8+ Rxg8 Qxg8+ Qxg8 
 84	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 83	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 82	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 81	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 80	+132.77 	2.01G	1:11.94	Rxg8+ Rxg8 Qxg8+ Qxg8 
 79	+132.77 	2.01G	1:11.93	Rxg8+ Rxg8 Qxg8+ Qxg8 
 78	+132.77 	2.01G	1:11.93	Rxg8+ Rxg8 Qxg8+ Qxg8 
 77	+132.77 	380.8M	0:14.34	Rxg8+ Rxg8 Qxg8+ Qxg8 
 76	+132.77 	293.1M	0:11.19	Rxg8+ Rxg8 Qxg8+ Qxg8 
 75	+132.77 	292.1M	0:11.15	Rxg8+ Rxg8 Qxg8+ Qxg8 
 74	+132.77 	291.4M	0:11.12	Rxg8+ Rxg8 Qxg8+ Qxg8 
 73	+132.77 	291.3M	0:11.12	Rxg8+ Rxg8 Qxg8+ Qxg8 
 72	+132.77 	128.3M	0:05.07	Rxg8+ Rxg8 Qxg8+ Qxg8 
 71	+132.77 	123.5M	0:04.88	Rxg8+ Rxg8 Qxg8+ Qxg8 
 70	+132.77 	80.5M  	0:03.21	Rxg8+ Rxg8 Qxg8+ Qxg8 
 69	+132.77 	65.4M  	0:02.64	Rxg8+ Rxg8 Qxg8+ Qxg8 
 68	+132.77 	64.0M  	0:02.58	Rxg8+ Rxg8 Qxg8+ Qxg8 
 67	+132.77 	63.5M  	0:02.56	Rxg8+ Rxg8 Qxg8+ Qxg8 
 66	+132.77 	59.2M  	0:02.40	Rxg8+ Rxg8 Qxg8+ Qxg8 
 65	+132.77 	57.4M  	0:02.33	Rxg8+ Rxg8 Qxg8+ Qxg8 
 64	+132.77 	57.4M  	0:02.32	Rxg8+ Rxg8 Qxg8+ Qxg8 
 63	+132.77 	28.2M  	0:01.19	Rxg8+ Rxg8 Qxg8+ Qxg8 
 62	+132.77 	25.1M  	0:01.06	Rxg8+ Rxg8 Qxg8+ Qxg8 
 61	+132.77 	22.7M  	0:00.96	Rxg8+ Rxg8 Qxg8+ Qxg8 
 60	+132.77 	21.6M  	0:00.91	Rxg8+ Rxg8 Qxg8+ Qxg8 
 59	+132.77 	15.3M  	0:00.66	Rxg8+ Rxg8 Qxg8+ Qxg8 
 58	+132.77 	13.6M  	0:00.59	Rxg8+ Rxg8 Qxg8+ Qxg8 
 57	+132.77 	13.4M  	0:00.58	Rxg8+ Rxg8 Qxg8+ Qxg8 
 56	+132.77 	13.4M  	0:00.58	Rxg8+ Rxg8 Qxg8+ Qxg8 
 55	+132.77 	8.53M  	0:00.38	Rxg8+ Rxg8 Qxg8+ Qxg8 
 54	+132.77 	7.76M  	0:00.35	Rxg8+ Rxg8 Qxg8+ Qxg8 
 53	+132.77 	7.15M  	0:00.33	Rxg8+ Rxg8 Qxg8+ Qxg8 
 52	+132.77 	6.25M  	0:00.29	Rxg8+ Rxg8 Qxg8+ Qxg8 
 51	+132.77 	5.58M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 
 50	+132.77 	4.74M  	0:00.23	Rxg8+ Rxg8 Qxg8+ Qxg8 
 49	+132.77 	3.90M  	0:00.19	Rxg8+ Rxg8 Qxg8+ Qxg8 
 48	+132.77 	3.46M  	0:00.17	Rxg8+ Rxg8 Qxg8+ Qxg8 
 47	+132.77 	3.17M  	0:00.16	Rxg8+ Rxg8 Qxg8+ Qxg8 
 46	+132.77 	2.81M  	0:00.14	Rxg8+ Rxg8 Qxg8+ Qxg8 
 45	+132.77 	2.23M  	0:00.12	Rxg8+ Rxg8 Qxg8+ Qxg8 
 44	+132.77 	2.18M  	0:00.11	Rxg8+ Rxg8 Qxg8+ Qxg8 
 43	+132.77 	2.12M  	0:00.11	Rxg8+ Rxg8 Qxg8+ Qxg8 
 42	+132.77 	1.35M  	0:00.07	Rxg8+ Rxg8 Qxg8+ Qxg8 
 41	+132.77 	1.18M  	0:00.07	Rxg8+ Rxg8 Qxg8+ Qxg8 
 40	+132.77 	1.04M  	0:00.06	Rxg8+ Rxg8 Qxg8+ Qxg8 
 39	+132.77 	898263	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 
 38	+132.77 	808882	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 
 37	+132.77 	702048	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 
 36	+132.77 	622014	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 
 35	+132.77 	547090	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 
 34	+132.77 	462441	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 
 33	+132.77 	423530	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 32	+132.77 	343872	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 31	+132.77 	303438	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 30	+132.77 	257339	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 
 29	+132.77 	218544	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 28	+132.77 	188681	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 27	+132.77 	137311	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 26	+132.77 	116312	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 25	+132.77 	98735  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 24	+132.77 	80704  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 23	+132.77 	70603  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 22	+132.77 	63480  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 21	+132.77 	48896  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 20	+132.77 	46995  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 
 19	+132.77 	45933  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 18	+132.77 	35397  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 17	+132.77 	33708  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 16	+132.77 	26724  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 15	+132.77 	25060  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 14	+132.77 	21780  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 13	+132.77 	18752  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 12	+132.77 	18248  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 11	+132.77 	11652  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
 10	+132.77 	10198  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
  9	+132.77 	9940    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
  8	+132.77 	8069    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 
  7	+132.77 	6378    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 
  6	+132.77 	5904    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 
  5	+132.77 	5364    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 
  4	+132.77 	4427    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 
  3	+132.77 	3816    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 
  2	+7.39 	1517    	0:00.00	Rxg8+ Qxg8 Ng6+ Qxg6+ Kxg6 
  1	+9.78 	1346    	0:00.00	Rxg8+ Rxg8 Qb2+ Rg7 Rxg7 
McBrain v2.7

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
110	    #4 	159.6M	0:06.49	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
109	    #4 	159.6M	0:06.49	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
108	    #4 	159.6M	0:06.49	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
107	    #4 	156.3M	0:06.36	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
106	    #4 	115.2M	0:04.65	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
105	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
104	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
103	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
102	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
101	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
100	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 99	    #4 	112.2M	0:04.52	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 98	    #4 	95.1M  	0:03.86	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 97	    #4 	95.1M  	0:03.86	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 96	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 95	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 94	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 93	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 92	    #4 	82.7M  	0:03.33	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 91	    #4 	77.1M  	0:03.10	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 90	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 89	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 88	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 87	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 86	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 85	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 84	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 83	    #4 	56.9M  	0:02.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 82	    #4 	45.2M  	0:01.79	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 81	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 80	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 79	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 78	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 77	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 76	    #4 	39.8M  	0:01.55	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 75	    #4 	32.9M  	0:01.25	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 74	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 73	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 72	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 71	    #4 	22.5M  	0:00.84	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 70	    #4 	16.2M  	0:00.59	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 69	    #4 	14.8M  	0:00.53	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 68	    #4 	13.5M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 67	    #4 	13.4M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 66	    #4 	13.4M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 65	    #4 	13.3M  	0:00.48	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 64	    #4 	12.7M  	0:00.46	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 63	    #4 	12.7M  	0:00.45	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 62	    #4 	11.1M  	0:00.40	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 61	    #4 	11.1M  	0:00.40	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 60	    #4 	8.58M  	0:00.30	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 59	    #4 	8.55M  	0:00.30	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 58	    #4 	8.16M  	0:00.29	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 57	    #4 	8.04M  	0:00.28	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 56	    #4 	7.50M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 55	    #4 	7.49M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 54	    #4 	7.37M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 53	    #4 	7.37M  	0:00.26	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 52	    #4 	2.48M  	0:00.09	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 51	    #4 	2.47M  	0:00.09	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 50	    #4 	1.89M  	0:00.07	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 49	    #4 	1.67M  	0:00.06	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 48	    #4 	1.42M  	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 47	    #4 	1.36M  	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 46	    #4 	1.29M  	0:00.05	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 45	    #4 	1.17M  	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 44	    #4 	1.04M  	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 43	    #4 	1.01M  	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 42	    #4 	917375	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 41	    #4 	872312	0:00.04	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 40	    #4 	806760	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 39	    #4 	775435	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 38	    #4 	743631	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 37	    #4 	682321	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 36	    #4 	648326	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 35	    #4 	601734	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 34	    #4 	589693	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 33	    #4 	541274	0:00.03	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 32	    #4 	476489	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 31	    #4 	435267	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 30	    #4 	422041	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 29	    #4 	387241	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 28	    #4 	355880	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 27	    #4 	305363	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 26	    #4 	270668	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 25	    #4 	234713	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 24	    #4 	210476	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 23	    #4 	176796	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 22	    #4 	166777	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 21	    #4 	142789	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 20	    #4 	121096	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 19	    #4 	103248	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 18	    #4 	71949  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 17	    #4 	58848  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 16	    #4 	55450  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 15	    #4 	47296  	0:00.02	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 14	    #4 	32038  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 13	    #4 	21062  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 12	    #4 	17555  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 11	    #4 	16065  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
 10	    #4 	11542  	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  9	    #4 	9344    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  8	    #4 	9261    	0:00.01	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  7	    #4 	9023    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  6	    #4 	8362    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  5	    #4 	7212    	0:00.00	Rxg8+ Rxg8 Qxg8+ Qxg8 Rxg8+ Bxg8 Ng6# 
  4	    #4 	5886    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 Rxg8+ Bxg8 Ng6# 
  3	    #4 	4884    	0:00.00	Rxg8+ Qxg8 Qxg8+ Rxg8 Rxg8+ Bxg8 
  2	+7.15 	1843    	0:00.00	Rxg8+ Qxg8 Nxg8 
  1	+9.78 	1401    	0:00.00	Rxg8+ Rxg8 Qb2+ Rg7 Rxg7 
Thanks for this release. Already downloaded both binaries of Aristides and McBrain.

.