a nice and difficult test position...

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Ron Langeveld
Posts: 140
Joined: Tue Jan 05, 2010 8:02 pm

Re: a nice and difficult test position...

Post by Ron Langeveld »

Ok, I understand that such a fail low PV is not provided by Stockfish on that same depth. This is a pity since it throws away relevant info and we need to start another search with the fail low move in order to get that PV, missing out on a little efficiency in our available analysis time.
User avatar
MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: a nice and difficult test position...

Post by MikeB »

Ron Langeveld wrote:Ok, I understand that such a fail low PV is not provided by Stockfish on that same depth. This is a pity since it throws away relevant info and we need to start another search with the fail low move in order to get that PV, missing out on a little efficiency in our available analysis time.
Ron, I found your question thought provoking and I realized there must be a bug in the McB code.

new output from xboard with McBrain 9.01

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 47	+5.08 	27.9G	17:47.07	Kc1 Bd7 Kb1 Be8 Qh3 Qf8 Qc3 Qb4+ Qxb4 axb4 Kb2 b3 Rg2 Bg6 Kxb3 Rh8 a5 bxa5 Ra2 Rh3+ Ka4 Rh7 b6 Rh1 Kxa5 Be8 Kb4 Rb1+ Kc3 Rxb6 Ra8+ Kd7 Ra7+ Kd8 Rg7 Rc6+ Kd2 Rc4 Kd3 Bh5 g6 Bxg6+ Rxg6 Ke8 Rg8+ Kf7 Rg7+ Kf8 Re7 Rc6 Kd2 Rc4 Ke3 Rc 
 47	+4.60!	24.3G	15:32.66	Kc1! 
 47	+4.33?	22.9G	14:38.17	Kc1 Bd7? 
 46	+4.41 	22.7G	14:29.88	Kc1 Bd7 Kb1 Be8 Qh3 Qf8 Qc3 Qb4+ Qxb4 axb4 Kb2 Rh8 g6 Bxg6 Rc6 Rh2+ Kb3 Rh1 Rxb6 Rb1+ Ka2 Rf1 Rd6+ Kc8 a5 Bd3 Rc6+ Kd8 Kb3 Bxb5 Rd6+ Kc7 Rxe6 Rb1+ Kc2 Rh1 Re7+ Kd8 Rb7 Ba4+ Kd2 Rf1 a6 Bc6 Rxb4 Kd7 Rb8 Rf4 Ke3 Re4+ Kf3 Re1 a7 Ra 
 45	+4.20 	19.4G	12:27.46	Kc1 Bd7 Kb1 Rg6 Qh5 Ke8 Ka2 Rg8 Qh6 Qg6 Rf2 Kf7 Rh2 Qxh6 gxh6 Rh8 h7 Be8 Rh6 Bd7 Kb3 Be8 Kc3 Bd7 Kd2 Kf8 Ke3 Be8 Kf4 Bg6 Rxg6 Rxh7 Rg7 Rh4+ Kg5 Rxd4 Re7 Rd1 Rxe6 Rg1+ Kf4 Rf1+ Ke3 Re1+ Kd3 Kf7 Re7+ Kf8 Kd2 Re4 Kc3 Rc4+ Kd3 Rxa4 
 45	+3.85!	17.5G	11:12.71	Kc1! 
 45	+3.50!	16.7G	10:41.76	Kc1! 
 44	+3.15 	15.4G	9:54.58	Kc1 Bd7 Kb1 Be8 Qh3 Qf8 Qc3 Qb4+ Qxb4 axb4 Kb2 b3 Rg2 Bg6 Kxb3 Rh8 a5 bxa5 Ra2 Rh1 Rxa5 Rb1+ Kc3 Ke8 Ra6 Kf7 b6 Bh5 Ra7+ Kg6 f7 Kg7 f8=Q+ Kxf8 b7 Be8 g6 Rb5 g7+ Kg8 Ra8 Rxb7 Rxe8+ Kxg7 Rxe6 Kf7 Rf6+ Ke7 Rc6 Kf7 Rd6 Rb5 Rf6+ Kg7  
 44	+2.92!	14.1G	9:02.15	Kc1! 
 44	+2.34!	12.4G	7:55.78	Kc1! 
 44	+1.90!	12.0G	7:43.25	Kc1! 
 44	+1.55!	11.9G	7:40.06	Kc1! 
 44	+1.30!	11.9G	7:39.09	Kc1! 
 44	+1.10!	11.9G	7:38.28	Kc1! 
 44	+1.00?	11.7G	7:30.74	Kc1 Bd7? 
 43	+1.07 	10.7G	6:52.84	Kc1 Bd7 Kb1 Ke8 Ka2 Qg6 Rc7 Qf5 Qh5+ Kf8 f7 Qxf7 Qxf7+ Kxf7 Rxd7+ Kg6 Rd6 Kf5 Rxb6 Rxg5 Ra6 Rg2+ Ka3 Rg3+ Kb2 Rg2+ Kc1 Rg1+ Kd2 Rg2+ Ke3 Rg3+ Kf2 Rb3 Rxa5 Kf4 Ke1 Rb2 Kd1 Ke4 Kc1 Rb4 Kc2 Kxd4 Ra6 Kxe5 Kc3 Rc4+ Kb3 Rc1 b6 Kd6 a5  
 43	+1.82!	10.0G	6:27.18	Kc1! 
 43	+1.18?	9.47G	6:06.19	Kc1 Bd7? 
 43	+2.08!	8.30G	5:21.49	Kc1! 
 43	+1.79!	8.00G	5:09.71	Kc1! 
 43	+1.57!	7.80G	5:02.16	Kc1! 
 43	+1.41!	7.60G	4:54.25	Kc1! 
 42	+1.25 	7.27G	4:41.34	Kc1 Bd7 Kb1 Ke8 Rc7 Qg6+ Qxg6+ Rxg6 Rb7 Rxg5 Rxb6 Kf8 Ra6 Rg4 Rxa5 Be8 Ra8 Rxd4 Kc2 Rc4+ Kd2 Rd4+ Kc3 Rc4+ Kb3 Rc1 Rb8 Rb1+ Kc3 Kf7 Ra8 Rc1+ Kd3 Rb1 Ra6 Kf8 Kc3 Rc1+ Kb2 Rc5 b6 Bxa4 Rxa4 Rb5+ Kc3 Rxb6 Ra8+ Kf7 Ra7+ Kf8 Rc7 Rb5 R 
 42	+1.14?	7.12G	4:35.58	Kc1 Bd7? 
 42	+1.30?	6.83G	4:24.34	Kc1 Bd7? 
 42	+1.41?	6.20G	4:00.48	Kc1 Bd7? 
 42	+1.48?	5.98G	3:52.19	Kc1 Bd7? 
 41	+1.56 	5.50G	3:34.04	Kc1 Bd7 Kb1 Ke8 Rc7 Qg6+ Qxg6+ Rxg6 Rb7 Rxg5 Rxb6 Kf8 Ra6 Be8 Rxa5 Rg4 Ra8 Rxd4 Kc2 Rc4+ Kb3 Rc1 Rb8 Rb1+ Kc3 Kf7 Ra8 Rc1+ Kd3 Rb1 Ra6 Kf8 Kc3 Rc1+ Kb4 Kf7 b6 Rb1+ Kc5 Kf8 a5 Rc1+ Kb4 d4 Ra8 d3 Rd8 Ra1 Kc3 Ra3+ Kc4 Ra4+ Kxd3 Ra3 
 41	+1.98!	5.36G	3:28.61	Kc1! 
 41	+1.75!	5.13G	3:19.77	Kc1! 
 41	+1.58!	4.94G	3:12.06	Kc1! 
 40	+1.41 	4.69G	3:01.69	Kc1 Bd7 Kb1 Ke8 Rc7 Qg6+ Qxg6+ Rxg6 Rb7 Rxg5 Rxb6 Kf8 Ra6 Be8 Rxa5 Rg4 Kc2 Rxd4 Ra8 Rb4 Kc3 Rc4+ Kb3 Rc1 Rb8 Rb1+ Kc3 Kf7 Rb7+ Kf8 f7 Bxf7 a5 Bh5 a6 Bf3 Rb8+ Ke7 a7 d4+ Kxd4 Kd7 Rf8 Bd5 Kc5 Rd1 Rh8 Rc1+ Kb6 Ra1 Rh4 Kc8 Rh7 Kd8 R 
 40	+1.67!	4.41G	2:50.93	Kc1! 
 40	+1.46!	4.28G	2:45.84	Kc1! 
 40	+1.31!	4.24G	2:44.19	Kc1! 
 39	+1.16 	4.22G	2:43.20	Kc1 Bd7 Kb1 Ke8 Rc7 Qg6+ Qxg6+ Rxg6 Rb7 Rxg5 Rxb6 Kf8 Ra6 Rg4 Rxa5 Rxd4 Kc2 Be8 Ra8 Rb4 Kc3 Rc4+ Kb3 Rc1 Rb8 Rb1+ Kc3 Kf7 Rb7+ Kf8 f7 Bxf7 a5 Bh5 a6 Bf3 Rb8+ Ke7 b6 Ra1 b7 d4+ Kxd4 Rxa6 Re8+ Kxe8 b8=Q+ Kd7 Ke3 Bd5 Qb5+ Rc6 Kf4 K 
 39	+1.25?	4.15G	2:40.68	Kc1 Bd7? 
 39	+1.47?	4.13G	2:39.74	Kc1 Bd7? 
 39	+1.63?	4.12G	2:39.53	Kc1 Bd7? 
 39	+1.74?	4.12G	2:39.33	Kc1 Bd7? 
 39	+1.82?	4.12G	2:39.27	Kc1 Bd7? 
 38	+1.89 	4.03G	2:35.82	Kc1 Bd7 Kb1 Ke8 Rc7 Qg6+ Qxg6+ Rxg6 Rb7 Rxg5 Rxb6 Rg4 Rb8+ Kf7 Rb7 Ke8 Ra7 Rxd4 Rxa5 Kf8 Ra8+ Be8 Kc2 Rb4 Kc3 Rc4+ Kb3 Rc1 Rb8 Rb1+ Kc3 Kf7 Rb7+ Kf8 f7 Bxf7 a5 d4+ Kxd4 Bh5 a6 Bf3 Rb8+ Ke7 a7 Kd7 Rf8 Bd5 Kc5 Rc1+ Kb6 Ra1 Rf7+ Kd 
 38	+1.61!	3.96G	2:33.19	Kc1! 
 38	+1.38!	3.87G	2:29.40	Kc1! 
 38	+1.26?	3.86G	2:29.03	Kc1 Bd7? 
 37	+1.34 	3.74G	2:24.52	Kc1 Bd7 Kb1 Ke8 Rc7 Qg6+ Qxg6+ Rxg6 Rb7 Rxg5 Rxb6 Rg4 Ra6 Rxd4 Rxa5 Kf8 Kc2 Be8 Ra8 Rb4 Kc3 Rc4+ Kb3 Rc1 Rb8 Rb1+ Kc3 Kf7 Rb7+ Kf8 f7 Bxf7 a5 d4+ Kxd4 Bh5 Kc5 Bf3 a6 Ke8 Ra7 Rc1+ Kd6 Rb1 Re7+ Kf8 Rb7 Rd1+ Kc5 Rd5+ Kb4 Rd1 Rh7 Rb 
 36	+1.25 	3.56G	2:17.25	Kc1 Bd7 Kb1 Ke8 Rc7 Qg6+ Qxg6+ Rxg6 Rb7 Rxg5 Rxb6 Kf8 Ra6 Rg4 Rxa5 Be8 Kc2 Rxd4 Ra8 Rb4 Kc3 Rc4+ Kb3 Rc1 Rb8 Rb1+ Kc3 Rc1+ Kb2 Rc4 Kb3 Kf7 Rb6 Rc1 Rb7+ Kf8 b6 Rb1+ Kc2 Ra1 Rc7 Rxa4 Kb3 Ra6 b7 Rb6+ Kc3 Rb1 f7 Bxf7 Rc8+ Ke7 b8=Q R 
 36	+1.37!	3.49G	2:14.52	Kc1! 
 36	+1.23!	3.47G	2:13.57	Kc1! 
 35	+1.46!	2.92G	1:52.38	Kc1! 
 35	+1.09!	2.78G	1:46.81	Kc1! 
 35	+0.81!	2.74G	1:45.15	Kc1! 
 35	+0.60!	2.72G	1:44.57	Kc1! 
 35	+0.45!	2.69G	1:43.31	Kc1! 
 35	+0.35!	2.68G	1:43.00	Kc1! 
 35	+0.28?	2.65G	1:41.67	Kd1 Bd7? 
 34	+0.35 	2.30G	1:28.48	Kd1 Bd7 Kc1 Qg6 Qxg6 Rxg6 Rh2 Be8 Rh8 Kd7 Rh7+ Kd8 Re7 Bd7 Rg7 Be8 Rb7 Rxg5 Rxb6 Rg1+ Kd2 Rg4 Rd6+ Kc8 Rxe6 Rxd4+ Kc3 Rc4+ Kb3 Bg6 Ra6 Rb4+ Ka3 Kb7 e6 Rf4 f7 Bxf7 exf7 Rxf7 Kb3 d4 Rd6 Rf4 Kc4 
 34	+1.34!	2.09G	1:20.52	Kd1! 
 34	+0.67?	1.70G	1:05.52	Rc6 Bd7? 
 34	+1.49?	1.47G	0:56.63	Rc6 Bd7? 
 34	+2.14?	1.45G	0:55.90	Rc6 Bd7? 
 34	+2.64?	1.22G	0:47.07	Rc6 Bd7? 
 34	+3.02?	1.20G	0:46.20	Rc6 Bd7? 
 34	+3.27?	1.16G	0:45.00	Rc6 Bd7? 
 34	+3.64?	1.15G	0:44.55	Rc6 Bb7? 
 34	+3.80?	1.13G	0:43.66	Rc6 Bb7? 
 34	+3.91?	1.13G	0:43.56	Rc6 Bb7? 
 34	+3.98?	1.12G	0:43.24	Rc6 Bb7? 
 33	+4.06 	970.9M	0:37.54	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 b6 Ka8 Qh3 Qg6 Rxd7 Qxg5+ Qe3 Qf5 Rg7 Rh8 Qg3 Kb8 b7 Qe4 Rg8+ Rxg8 Qxg8+ Kxb7 Qf7+ Kb8 Qe8+ Kc7 Qe7+ Kb8 Qd8+ Kb7 Qd7+ Kb8 Qb5+ Kc8 Qc6+ Kb8 Qb6+ Kc8 Qxe6+ Kb8 Qb6+ Kc8 Qc5+ Kd7 Qd6+ Kc8 Qc6+ Kd8 Qa8+ K 
 32	+3.94 	884.7M	0:34.22	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 b6 Ka8 Qh3 Qg6 Rxd7 Qxg5+ Qe3 Qf5 Rg7 Rh8 Qg3 Kb8 b7 Qe4 Rg8+ Rxg8 Qxg8+ Kxb7 Qf7+ Kb8 Qe8+ Kc7 Qe7+ Kb8 Qd8+ Kb7 Qd7+ Kb8 Qb5+ Kc8 Qc6+ Kb8 Qb6+ Kc8 Qxe6+ Kb8 Qb6+ Kc8 Qc5+ Kd7 Qb5+ Ke6 
 32	+3.55!	753.0M	0:29.14	Rc6! 
 32	+3.17!	747.3M	0:28.91	Rc6! 
 32	+2.87!	734.9M	0:28.43	Rc6! 
 31	+2.58 	733.8M	0:28.38	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Kc1 Kb7 Kb2 Rg6 Qh3 Rxg5 Qc3 Qh7 Ka3 Rg8 Rc6 Qb1 Rc7+ Kb8 f7 Rh8 Rxc8+ Rxc8 Qxc8+ Kxc8 f8=Q+ Kd7 Qd6+ Ke8 Qxe6+ Kf8 Qd6+ Ke8 Qc6+ Ke7 Qc7+ Ke8 Qc8+ Ke7 Qc5+ Ke8 b6 Qd3+ Ka2 Qd2+ Kb1 Qd1+ Kb2 Qd2+ Kb3 Qd 
 31	+2.12!	700.5M	0:27.08	Rc6! 
 31	+1.69?	700.0M	0:27.05	Rc6 Bb7? 
 31	+2.19?	683.0M	0:26.38	Rc6 Bd7? 
 31	+2.57?	681.4M	0:26.32	Rc6 Bd7? 
 31	+2.87?	658.5M	0:25.42	Rc6 Bd7? 
 31	+3.08?	655.6M	0:25.31	Rc6 Bd7? 
 31	+3.64!	595.4M	0:22.95	Rc6! 
 31	+2.37?	577.5M	0:22.24	Rc6 Bb7? 
 31	+3.56?	575.1M	0:22.14	Rc6 Bd7? 
 30	+3.64 	504.7M	0:19.45	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 b6 Be8 Rd8+ Kb7 Ke1 Kxb6 Qh3 Kc7 Ra8 Kb7 Rxa5 Bc6 Qb3+ Kc8 Qb6 Qb7 Qxb7+ Kxb7 g6 Be8 g7 Bf7 Kd2 Kb6 Rc5 Ra8 a5+ Rxa5 Rc8 Ra2+ Ke3 Ra3+ Kf4 Ra7 Kg5 Ra1 Rf8 Rg1+ Kh6 
 30	+3.33!	444.1M	0:17.12	Rc6! 
 30	+1.82?	404.2M	0:15.59	Rc6 Bd7? 
 30	+2.63!	384.3M	0:14.80	Rc6! 
 30	+2.32?	365.7M	0:14.07	Rc6 Bd7? 
 30	+2.71?	362.1M	0:13.93	Rc6 Bd7? 
 30	+3.00?	360.4M	0:13.86	Rc6 Bd7? 
 30	+3.22?	359.8M	0:13.84	Rc6 Bd7? 
 30	+3.37?	358.3M	0:13.78	Rc6 Bd7? 
 30	+3.49?	357.2M	0:13.73	Rc6 Bd7? 
 30	+3.56?	351.9M	0:13.52	Rc6 Bd7? 
 29	+3.67 	319.8M	0:12.28	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb7 Rc2 Bd7 Kc1 Be8 Qh3 Qd7 Rc6 Rxg5 Qxe6 Qxe6 Rxe6 Bh5 Rd6 Rg1+ Kd2 Rd1+ Kc3 Rc1+ Kb2 Rg1 Rd7+ Kc8 Rh7 Rg5 f7 Rg2+ Kc3 Rg3+ Kd2 Rg2+ Ke3 Rg3+ Kf2 Rf3+ Ke2 Rxf7+ Rxh5 Kb7 Ke3 Re7 
 28	+3.70 	312.9M	0:12.02	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb7 Rc2 Bd7 Kc1 Be8 Qh3 Qd7 Rc6 Rxg5 Qxe6 Qxe6 Rxe6 Bh5 Rd6 Rg1+ Kd2 Rd1+ Kc3 Rc1+ Kb2 Rf1 Rxd5 Rf2+ Kc3 Rf3+ Kd2 Bg6 Rd7+ Kb6 Ke2 Bh5 Rh7 Bg4 Rg7 Bh5 Rg5 Rf5+ Rxh5 Rxh5 
 28	+3.60!	302.0M	0:11.60	Rc6! 
 28	+2.24!	262.1M	0:10.06	Rc6! 
 28	+1.96?	251.8M	0:09.66	Rc6 Bd7? 
 28	+2.25?	243.2M	0:09.32	Rc6 Bd7? 
 28	+2.47?	238.1M	0:09.13	Rc6 Bd7? 
 28	+2.62?	236.6M	0:09.07	Rc6 Bd7? 
 28	+3.30!	222.7M	0:08.56	Rc6! 
 28	+3.00!	188.2M	0:07.26	Rc6! 
 27	+2.70 	164.0M	0:06.36	Rc6 Bd7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb7 Rc2 Bd7 Kc1 Be8 Qh3 Qd7 Rc6 Rxg5 Qxe6 Qxe6 Rxe6 Bh5 Rd6 Rg2 Rd7+ Kb6 Rxd5 Rf2 Rd6+ Kc7 Rc6+ Kb7 d5 Rf5 d6 Rxe5 f7 Bxf7 Rc7+ Kb6 Rxf7 Rd5 d7 Rd4 
 27	+2.56!	150.3M	0:05.84	Rc6! 
 26	+2.30 	125.3M	0:04.88	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 Kc1 Qe8 Qh7 Qc8+ Qc2 Rxg5 Kb2 Qxc2+ Kxc2 Rg2+ Kd3 Bc8 Rd8 Rg3+ Ke2 Rg2+ Kf3 Rg5 Re8 Kc7 Re7+ Kb8 Ke3 Rf5 Rf7 Rf1 Rg7 Rf5 Kd2 Rf2+ Ke3 Rf1 Rg8 Kc7 
 26	+2.02!	112.7M	0:04.40	Rc6! 
 26	+1.88?	107.3M	0:04.19	Rc6 Bd7? 
 26	+2.04?	107.2M	0:04.19	Rc6 Bd7? 
 26	+2.16?	107.1M	0:04.18	Rc6 Bd7? 
 26	+2.23?	106.7M	0:04.17	Rc6 Bd7? 
 25	+2.31 	102.3M	0:04.00	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 Kc1 Qe8 Qh7 Qc8+ Qc2 Rxg5 Kb2 Qxc2+ Kxc2 Rg2+ Kd3 Bc8 Rd8 Rg3+ Ke2 Rg2+ Kf3 Rg5 Re8 Kc7 Re7+ Kb8 Rg7 Rf5+ Ke2 Rf4 Ke3 Rf5 Kd2 Rf2+ Kd3 Rf4 Rg8 Kb7 Rg7+ Kb6 Ke3 Re4+ Kf3 
 25	+2.27!	97.8M  	0:03.82	Rc6! 
 25	+1.88!	90.8M  	0:03.56	Rc6! 
 25	+1.77?	89.3M  	0:03.50	Rc6 Bd7? 
 25	+1.84?	89.1M  	0:03.49	Rc6 Bd7? 
 24	+1.92 	86.6M  	0:03.40	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 Kc1 Qe8 Qh7 Qc8+ Qc2 Rxg5 Kb2 Qxc2+ Kxc2 Rg2+ Kd3 Kc8 Ra6 Kb7 Rxa5 Rg3+ Kd2 Be8 Ra6 Bf7 a5 Rb3 Rd6 Kc8 b6 Ra3 Rc6+ Kb8 Rc7 
 24	+1.81!	82.7M  	0:03.25	Rc6! 
 23	+1.21 	53.8M  	0:02.14	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 Kc2 Be8 Kb2 Kb7 Qh3 Rxg5 Rxe6 Rh5 Qg4 Rh2+ Kb3 Rg2 Qxg2 Qxe6 Kb2 Kb8 Qf3 Kb7 Qb3 Qg8 Ka3 Qe6 Qf3 Qg8 Kb3 Qe6 Qg2 Bf7 Qc2 Be8 
 22	+1.69 	43.5M  	0:01.73	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 Kc1 Qe8 Kd1 Bc8 Rc6 Bd7 Rc2 Rg6 Qh5 Qg8 Rg2 Kb7 Qh4 Be8 Qg3 Qh8 Kd2 Qh5 Qa3 Rxg5 Qe7+ Kb8 Qd8+ Kb7 
 21	+1.43 	20.9M  	0:00.85	Rc6 Bd7 Rxb6 Kc7 Rd6 Be8 Kc1 Kb7 Kb2 Rg6 Qh3 Rxg5 Rxe6 Rh5 Qg4 Rh2+ Kb3 Rg2 Qxg2 Qxe6 Qf3 Bf7 Qc3 Qb6 Qc2 Qe6 Qd3 Qb6 Qd2 Bg6 
 20	+1.97 	16.7M  	0:00.68	Rc6 Bd7 Rxb6 Kc7 Rd6 Be8 Qh3 Qg6 Rxe6 Qxg5+ Kc2 Kb7 Kb3 Bh5 Rc6 Qg3+ Rc3 Qg4 Qxg4 Bxg4 Rc5 Bd1+ Kb2 Rg2+ Kc1 Bg4 Rxd5 Rf2 Rd6 Bh5 Ra6 Rf4 Rxa5 Rxd4 e6 Re4 
 19	+2.22 	11.6M  	0:00.48	Rc6 Bd7 Rxb6 Kc7 Rd6 Be8 Kc2 Kc8 Kb2 Qh5 Qxh5 Bxh5 Rxe6 Rxg5 Rc6+ Kb7 Rd6 Rf5 Rxd5 Bd1 Rd7+ Kb6 Rd6+ Kb7 Ra6 Rf3 
 18	+2.22 	9.05M  	0:00.38	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb8 Kc1 Rg6 Qh4 Bb7 Rc2 Qf8 Qg3 Qb4 f7 Qf8 Rf2 Bc8 
 17	+1.90 	6.63M  	0:00.28	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 Kc1 Qe8 Kd1 Bc8 Rb6+ Ka8 Rc6 Bd7 Rc5 Kb7 Kc2 Qf7 Kb2 Be8 Qh2 Qg6 Qh3 Qe4 
 16	+2.15 	3.75M  	0:00.16	Rc6 Bd7 Rxb6 Kc7 Rd6 Kb8 Kc1 Be8 Kb2 Kb7 Qh4 Qh5 Qxh5 Bxh5 Rxe6 Rxg5 Rd6 Kc7 Rxd5 Bf7 Rc5+ Kb7 Kc2 
 15	+2.06 	1.37M  	0:00.06	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb7 Kc2 Bd7 Rd6 Bc8 Kb2 Kb8 Rc6 Bb7 Rc2 Rg6 Qh5 Ka7 Qf3 
 14	+1.85 	1.32M  	0:00.06	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb7 Kc2 Bd7 Rd6 Bc8 Kb2 Kb8 Rc6 Bb7 Rc2 Ka7 
 13	+1.89 	658131	0:00.03	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb7 Ke3 Bd7 Ra6 Rg6 Qh4 Rg8 Rd6 Be8 Ra6 Qc7 
 12	+2.17 	501547	0:00.02	Rc6 Bb7 Rxb6 Kc7 Rd6 Bc8 Rc6+ Kb7 Ke3 Bd7 Rd6 Be8 Kd2 Rg6 Qh4 
 11	+1.75 	169839	0:00.01	Rc6 Bb7 Rxb6 Kc7 Rd6 Kc8 b6 Kb8 Ke2 Ba6+ Ke3 Kc8 Kf4 Kb8 Kg3 Rc8 
 10	+2.45 	99657  	0:00.01	Rc6 Bb7 Rxb6 Bc8 Kd3 Bb7 Rd6+ Kc7 Ke2 Kb8 Kf2 
  9	+1.78 	41043  	0:00.00	Rc6 Bb7 Rxb6 Kc7 Rd6 Kb8 Kd1 Rg6 Qh8+ Ka7 Qh3 Rxg5 b6+ Kb8 
  8	+1.63 	30388  	0:00.00	Rc6 Bb7 Rxb6 Kc7 Rd6 Kb8 Qh3 Rxg5 
  7	+2.12 	9511    	0:00.00	Rc6 Bb7 Rxb6 Kc7 Rd6 Kb8 Qh3 
  6	+2.12 	8359    	0:00.00	Rc6 Bb7 Rxb6 Kc7 Rd6 Kb8 
  5	+2.69 	5276    	0:00.00	Rc6 Bb7 Rxb6 Kc7 Rd6 
  4	+1.52 	4272    	0:00.00	Rc6 Bb7 Rxb6 Kc7 
  3	+2.01 	3411    	0:00.00	Rc6 Rg6 Qh4 
  2	+3.91 	2760    	0:00.00	Rc6 Rg6 Qh4 
  1	+2.20 	1135    	0:00.00	Rc6 
  0	# 
it also tested about 5 ELO better:

Code: Select all

2400 rounds and 2400 games completed...
Time control: 60 seconds + 2.00 seconds
Target completion: 02/20/18 : 21:27:25
Date: 02/20/18 : 14:32:43
2400 game(s) loaded
Rank Name                   Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
---------------------------------------------------------------------------------------------------------
   1 McBrain 9.01 64 POPCN   3103   0.0    8    8  2400 1217.5  50.7  382  347 1671  15.9  69.6  3097 
   2 McBrain 9 64 POPCNT     3097   5.0    8    8  2400 1182.5  49.3  347  382 1671  14.5  69.6  3103 
---------------------------------------------------------------------------------------------------------
Time to complete: 15:35:20
the LOS is only 90% - but I can live with being wrong 10% of the time considering my limited resources and what not.