Whither g4? SF turns up her fishy nose.

Dann Corbit · Post by **Dann Corbit** » Thu May 13, 2021 9:22 pm

[d]r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - -
For the above position, I have dominating win totals for g4 (50 games, 47 wins, 3 draws, no losses).
Stockfish never considers g4:

Code: Select all

Searching: r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - - 0 1
infinite: 0 time: 0 increment: 0 moves to go: 0

 1   +0.56   00:00   96034  cxd5 Nxd5 Be2 
 2   +0.32   00:00  164957  cxd5 Nxd5 Bc1 
 3   +0.40   00:00  223388  Nb5 Bc5 Nc7 
 4   +0.13   00:00  465473  cxd5 Nxd5 c4 
 5   +0.13   00:00  507315  cxd5 Nxd5 Bc1 Bxc1 Rxc1 
 6   +0.13   00:00  612093  cxd5 Nxd5 Bc1 Bc5 Nb3 Bxf2 
 7   +0.00   00:00  729545  Be2 Qg6 Bd3 Qh5 cxd5 Nxd5 Bc1 
 8   +0.05   00:00  839605  cxd5 Nxd5 h4 Bd7 g4 Qxg4 Bd2 Qh5 Rdg1 
 9   +0.00   00:00  913480  cxd5 Nxd5 h3 Bc5 Qc1 Bd7 Be2 Qg6+ Bd3 
10   +0.00   00:00   1178K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
11   +0.00   00:00   1621K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
12   -0.00   00:00   1835K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
13   -0.00   00:00   1938K  cxd5 Nxd5 Be2 Qg6 Bd3 
14   -0.00   00:00   2035K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
15   +0.00   00:00   2105K  Be2 Qg6 Bd3 Qh5 
16   +0.00   00:00   2198K  Be2 Qg6 Bd3 Qh5 
17   +0.00   00:00   2311K  Be2 Qg6 Bd3 Qh5 cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
18   +0.00   00:00   2507K  Be2 Qg6 Bd3 Qh5 
19   -0.00   00:00   2906K  Be2 Qg6 Bd3 Qh5 
20   +0.00   00:00   4075K  Be2 Qg6 Bd3 Qh5 cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
21   -0.00   00:00   5626K  Be2 Qg6 Bd3 Qh5 
22   +0.00   00:00   5748K  Be2 Qg6 Bd3 Qh5 Be2 
23   +0.00   00:00   8138K  Be2 Qg6 Bd3 Qh5 
24   +0.00   00:00   8743K  Be2 Qg6 Bd3 Qh5 
25   +0.00   00:00   9503K  Be2 Qg6 Bd3 Qh5 Be2 
26   +0.00   00:00  13190K  Be2 Qg6 Bd3 Qh5 cxd5 Nxd5 Be2 Qg6 Bd3 
27   +0.00   00:00  16906K  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 
28   -0.00   00:00  27169K  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 
29   +0.00   00:00  28949K  Be2 Qh3 Bf1 Qh5 
30   +0.00   00:00  36807K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
31   -0.00   00:00  48001K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
32   +0.00   00:01 103623K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
33   -0.00   00:01 105178K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
34   +0.00   00:01 118628K  cxd5 Nxd5 Be2 Qg6 Bd3 
35   +0.00   00:02 127274K  cxd5 Nxd5 Be2 Qg6 Bd3 
36   +0.00   00:02 129501K  cxd5 Nxd5 Be2 Qg6 Bd3 
37   +0.00   00:05 356092K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
38   -0.00   00:08 534677K  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
39   +0.00   00:09 619860K  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
40   -0.00   00:12 755841K  Be2 Qg6 Bd3 Qh5 
41   -0.00   00:12 773553K  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
42   +0.00   00:12 791277K  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
43   +0.00   00:12 807789K  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
44   -0.00   00:13 826426K  Be2 Qg6 Bd3 Qh5 
45   -0.00   00:16   1050M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
46   -0.00   00:18   1187M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
47   +0.00   00:23   1436M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
48   +0.00   00:25   1579M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
49   -0.00   00:27   1708M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
50   +0.00   00:33   2065M  Be2 Qg6 Bd3 Qh5 
51   +0.00   00:43   2722M  Be2 Qg6 Bd3 Qh5 
52   +0.00   00:53   3342M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
53   +0.00   00:57   3596M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
54   -0.00   01:45   6585M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
55   -0.00   01:47   6704M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 h4 Bd7 Be2 Qg6 Bd3 
56   +0.00   01:57   7293M  Be2 Qg6 Bd3 Qh5 
57   +0.00   04:25  16218M  Be2 Qg6 Bd3 Qh5 
58   -0.00   05:28  19991M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 
59   -0.00   05:37  20532M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 
60   +0.00   05:37  20589M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 
61   -0.00   06:59  25573M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 
62   -0.00   07:54  28972M  Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 Qh3 Bf1 Qh5 
63   -0.00   08:54  32605M  Be2 Qg6 Bd3 Qh5 
64   +0.00   10:51  39828M  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
65   +0.00   11:05  40658M  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
66   -0.00   17:30  64536M  cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3 
67   +0.00   19:45  72937M  Be2 Qg6 Bd3 Qh5 
68   -0.00   30:00 111626M  Be2 Qg6 Bd3 Qh5 
Nodes: 111626790830
Nodes/second: 62012058
Best move: Be2

Is there some overlooked defense that spoils g4, or has SF overlooked something important?

Dann Corbit · Post by **Dann Corbit** » Thu May 13, 2021 9:56 pm

Interestingly, it finds g4 if you turn on multi-pv = 3:

Code: Select all

FEN: r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - - 0 1

Stockfish-x64-avx2:MPV:3:
 1/1	00:00	 13k	3,251k	-0.51	Be2
 1/1	00:00	 13k	3,251k	-0.21	cxd5
 1/1	00:00	 13k	3,251k	+0.26	g4
---------------------------------------------------------------------------
 2/2	00:00	 114k	19,037k	-0.75	Ka1 dxc4 Be2
 2/2	00:00	 114k	19,037k	-0.09	cxd5 Nxd5
 2/2	00:00	 114k	19,037k	+0.16	Be2 Qg6
---------------------------------------------------------------------------
 3/3	00:00	 145k	20,681k	-0.77	Rhg1 dxc4 Be2
 3/3	00:00	 145k	20,681k	 0.00	cxd5 Nxd5 Be2
 3/3	00:00	 145k	20,681k	+0.32	Be2 Qg6 Nb5
---------------------------------------------------------------------------
 4/4	00:00	 157k	22,402k	 0.00	cxd5 Nxd5 Be2
 4/4	00:00	 157k	22,402k	+0.14	Be2 Qg6 Nb5 Qxc2+ Kxc2
 4/4	00:00	 157k	22,402k	+0.39	Ka1 dxc4 Be2 Qg6
---------------------------------------------------------------------------
 5/5	00:00	 175k	21,917k	 0.00	Ka1 Be7 Be2 Qg6 Bd3
 5/5	00:00	 175k	21,917k	+0.06	Be2 Qg6 Qxg6 fxg6 Nb5
 5/5	00:00	 175k	21,917k	+0.71	Nb5 Be7 Be2 Qg6
---------------------------------------------------------------------------
 6/6	00:00	 192k	24,026k	 0.00	Be2 Qg6 Nb5 Bc5 Bd3 Qh5
 6/6	00:00	 192k	24,026k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 6/6	00:00	 192k	24,026k	+0.52	Nb5 Be7 Be2 Qg6 Qxg6
---------------------------------------------------------------------------
 7/7	00:00	 226k	25,121k	 0.00	c5 Bxc5 Be2 Qg6 Bd3
 7/7	00:00	 226k	25,121k	+0.02	Nb5 Bc5 Be2 Qg6 Qxg6 hxg6 Nc7
 7/7	00:00	 226k	25,121k	+0.12	Be2 Qg6 Nb5 Qxc2+ Kxc2 Be7 Nc7 Bd7
---------------------------------------------------------------------------
 8/8	00:00	 283k	25,689k	 0.00	Ka1 Bd7 Be2 Qg6 Bd3
 8/11	00:00	 283k	25,689k	+0.02	Nb5 Bc5 Be2 Qg6 Nc7 Rb8 Qxg6 hxg6 cxd5 Nxd5 Nxd5 exd5
 8/9	00:00	 283k	25,689k	+0.11	Be2 Qg6 Qxg6 hxg6 Nb5 Bc5 Nc7 Rb8 cxd5
---------------------------------------------------------------------------
 9/7	00:00	 386k	25,753k	 0.00	Ka1 Bd7 Be2 Qh3 Bf1 Qh5
 9/11	00:00	 386k	25,753k	 0.00	Be2 Qg6 Bd3 Qh5
 9/10	00:00	 386k	25,753k	 0.00	Nb5 Bc5 Be2 Qg6 Bd3
---------------------------------------------------------------------------
 10/8	00:00	 440k	25,895k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 10/8	00:00	 440k	25,895k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
 10/6	00:00	 440k	25,895k	 0.00	Nb5 Bc5 Be2 Qg6 Bd3
---------------------------------------------------------------------------
 11/11	00:00	 746k	22,601k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 11/13	00:00	 746k	22,601k	 0.00	Nb5 Bc5 Be2 Qg6 Nc7 Rb8 Bd3 Qh5 Be2 Qh3 Bf1 Qh5
 11/10	00:00	 746k	22,601k	 0.00	Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 12/7	00:00	 764k	22,476k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 12/7	00:00	 764k	22,476k	 0.00	Nb5 Bc5 Be2 Qh3 Bf1 Qh5
 12/5	00:00	 764k	22,476k	 0.00	Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 13/15	00:00	 812k	22,548k	 0.00	Nb5 Bc5 Be2 Qh3 Bf1 Qh5
 13/7	00:00	 812k	22,548k	 0.00	c5 Nd7 Be2 Qg6 Bd3
 13/5	00:00	 812k	22,548k	 0.00	Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 14/16	00:00	 921k	21,421k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 14/15	00:00	 921k	21,421k	 0.00	Nb5 Bc5 Nc7 Rb8 Be2 Qh3 Bf1 Qh5
 14/10	00:00	 921k	21,421k	 0.00	Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 15/9	00:00	 1,022k	21,289k	 0.00	Nb5 Bc5 Nc7 Rb8 Be2 Qh3 Bf1 Qh5
 15/20	00:00	 1,022k	21,289k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
 15/7	00:00	 1,022k	21,289k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 16/8	00:00	 1,663k	21,047k	 0.00	Nb5 Bc5 Nc7 Rb8 Be2 Qg6 Bd3
 16/12	00:00	 1,663k	21,047k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
 16/6	00:00	 1,663k	21,047k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
---------------------------------------------------------------------------
 17/10	00:00	 1,730k	20,846k	 0.00	Nb5 Bc5 Nc7 Rb8 Be2 Qh3 Bf1 Qg4 Be2
 17/12	00:00	 1,730k	20,846k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
 17/6	00:00	 1,730k	20,846k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
---------------------------------------------------------------------------
 18/20	00:00	 2,273k	21,245k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qh5
 18/6	00:00	 2,273k	21,245k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 18/8	00:00	 2,273k	21,245k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
---------------------------------------------------------------------------
 19/11	00:00	 2,613k	21,591k	 0.00	Nb5 Bc5 Nc7 Rb8 Be2 Qh3 Bf1 Qg4 Be2 Qh3
 19/5	00:00	 2,613k	21,591k	 0.00	Be2 Qh3 Bf1 Qh5
 19/8	00:00	 2,613k	21,591k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 20/6	00:00	 3,198k	22,841k	 0.00	Nb5 Bc5 Be2 Qg6 Bd3
 20/8	00:00	 3,198k	22,841k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 20/5	00:00	 3,198k	22,841k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 21/6	00:00	 3,286k	23,141k	 0.00	Nb5 Bc5 Be2 Qg6 Bd3
 21/8	00:00	 3,286k	23,141k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 21/5	00:00	 3,286k	23,141k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 22/7	00:00	 4,727k	27,321k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 22/5	00:00	 4,727k	27,321k	 0.00	Be2 Qh3 Bf1 Qh5
 22/9	00:00	 4,727k	27,321k	 0.00	Nb5 Bc5 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 23/5	00:00	 5,493k	29,531k	 0.00	Be2 Qh3 Bf1 Qh5
 23/8	00:00	 5,493k	29,531k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 23/8	00:00	 5,493k	29,531k	 0.00	Nb5 Bc5 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 24/6	00:00	 9,328k	37,919k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 24/29	00:00	 9,328k	37,919k	 0.00	Nb5 Bc5 Nc7 Rb8 Be2 Qh3 Bf1 Qg4 Be2
 24/8	00:00	 9,328k	37,919k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 25/10	00:00	 9,590k	38,359k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
 25/8	00:00	 9,590k	38,359k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 25/5	00:00	 9,590k	38,359k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 26/6	00:00	 13,381k	43,586k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 26/5	00:00	 13,381k	43,586k	 0.00	Be2 Qh3 Bf1 Qh5
 26/19	00:00	 13,381k	43,586k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 27/9	00:00	 16,116k	46,177k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2 Qg6
 27/5	00:00	 16,116k	46,177k	 0.00	Be2 Qh3 Bf1 Qh5
 27/10	00:00	 16,116k	46,177k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 28/10	00:00	 25,682k	51,468k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
 28/8	00:00	 25,682k	51,468k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 28/13	00:00	 25,682k	51,468k	 0.00	Be2 Qh3 Bf1 Qh5 cxd5 exd5 h3 Bd7 Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 29/10	00:00	 34,677k	54,352k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
 29/7	00:00	 34,677k	54,352k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 29/32	00:00	 34,677k	54,352k	 0.00	Be2 Qh3 Bf1 Qh5 Be2
---------------------------------------------------------------------------
 30/10	00:00	 41,766k	55,762k	 0.00	Nb5 Bc5 cxd5 exd5 h3 Bd7 Be2 Qf5 Bd3
 30/7	00:00	 41,766k	55,762k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 30/5	00:00	 41,766k	55,762k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 31/7	00:00	 46,981k	56,603k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 31/7	00:00	 46,981k	56,603k	 0.00	Be2 Qh3 Bf1 Qh5
 31/10	00:00	 46,981k	56,603k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 32/6	00:01	 61,335k	58,083k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 32/5	00:01	 61,335k	58,083k	 0.00	Be2 Qh3 Bf1 Qh5
 32/10	00:01	 61,335k	58,083k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 33/8	00:01	 75,292k	59,052k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 33/12	00:01	 75,292k	59,052k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 Qh3 Bf1 Qg4 Be2
 33/10	00:01	 75,292k	59,052k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 34/9	00:01	 82,885k	59,587k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2 Qh3
 34/13	00:01	 82,885k	59,587k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2 Qh3 Bf1 Qg4 Be2 Qh3
 34/10	00:01	 82,885k	59,587k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 35/8	00:01	 95,499k	60,024k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 35/12	00:01	 95,499k	60,024k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
 35/9	00:01	 95,499k	60,024k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 36/9	00:01	 105,617k	60,387k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2 Qh3
 36/10	00:01	 105,617k	60,387k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
 36/12	00:01	 105,617k	60,387k	 0.00	Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 37/8	00:02	 182,947k	61,289k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 37/10	00:02	 182,947k	61,289k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qh5
 37/13	00:02	 182,947k	61,289k	 0.00	Be2 Qg6 Bd3 Qh5 Be2
---------------------------------------------------------------------------
 38/7	00:03	 213,004k	61,562k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 38/5	00:03	 213,004k	61,562k	 0.00	Be2 Qg6 Bd3 Qh5
 38/10	00:03	 213,004k	61,562k	 0.00	Nb5 Bc5 Be2 Qg6 Bd3
---------------------------------------------------------------------------
 39/8	00:03	 240,256k	61,699k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 39/6	00:03	 240,256k	61,699k	 0.00	Nb5 Bc5 Be2 Qg6 Bd3
 39/10	00:03	 240,256k	61,699k	 0.00	Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 40/8	00:07	 461,094k	61,586k	 0.00	Be2 Qg6 Bd3 Qh5
 40/8	00:07	 461,094k	61,586k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 40/10	00:07	 461,094k	61,586k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 41/12	00:07	 466,558k	61,584k	 0.00	Be2 Qg6 Bd3 Qh5 Be2
 41/8	00:07	 466,558k	61,584k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 41/10	00:07	 466,558k	61,584k	 0.00	Nb5 Bc5 cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 42/8	00:07	 486,226k	61,587k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 42/7	00:07	 486,226k	61,587k	 0.00	Nb5 Bc5 Be2 Qh3 Bf1 Qh5
 42/11	00:07	 486,226k	61,587k	 0.00	Be2 Qg6 Bd3 Qh5 Nb5 Bc5 Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 43/8	00:08	 503,933k	61,560k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 43/10	00:08	 503,933k	61,560k	 0.00	Nb5 Bc5 cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 43/6	00:08	 503,933k	61,560k	 0.00	Be2 Qg6 Bd3 Qh5
---------------------------------------------------------------------------
 44/6	00:09	 585,641k	61,459k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 44/9	00:09	 585,641k	61,459k	 0.00	Nb5 Bc5 cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 44/8	00:09	 585,641k	61,459k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
---------------------------------------------------------------------------
 45/8	00:13	 800,052k	61,340k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 45/8	00:13	 800,052k	61,340k	 0.00	Be2 Qg6 cxd5 Nxd5 Bd3 Qh5 Be2
 45/10	00:13	 800,052k	61,340k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 46/6	00:15	 944,124k	61,279k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 46/10	00:15	 944,124k	61,279k	 0.00	Be2 Qg6 Bd3 Qh5
 46/10	00:15	 944,124k	61,279k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 47/7	00:18	 1,152,006k	61,085k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 47/5	00:18	 1,152,006k	61,085k	 0.00	Be2 Qh3 Bf1 Qh5
 47/10	00:18	 1,152,006k	61,085k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
---------------------------------------------------------------------------
 48/10	00:20	 1,240,024k	61,019k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
 48/8	00:20	 1,240,024k	61,019k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 48/5	00:20	 1,240,024k	61,019k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 49/10	00:30	 1,831,064k	60,762k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qg4 Be2
 49/6	00:30	 1,831,064k	60,762k	 0.00	cxd5 Nxd5 Be2 Qg6 Bd3
 49/5	00:30	 1,831,064k	60,762k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 50/17	01:06	 4,045,309k	60,718k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Nxa8 Ba4 Qd2 Rxa8 Bf1 Qg4 Be2 Qf5+ Bd3 Qh3
 50/8	01:06	 4,045,309k	60,718k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 50/5	01:06	 4,045,309k	60,718k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 51/14	01:09	 4,197,251k	60,714k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Nxa8 Ba4 Qd2 Rxa8 Bf1 Qg4 Be2
 51/7	01:09	 4,197,251k	60,714k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qh5
 51/5	01:09	 4,197,251k	60,714k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 52/9	01:17	 4,707,730k	60,734k	 0.00	Nb5 Bc5 Nc7 Bd7 Be2 Qh3 Bf1 Qh5
 52/8	01:17	 4,707,730k	60,734k	 0.00	cxd5 Nxd5 Be2 Qh3 Bf1 Qg4 Be2
 52/5	01:17	 4,707,730k	60,734k	 0.00	Be2 Qh3 Bf1 Qh5
---------------------------------------------------------------------------
 53/5	05:09	 18,924,557k	61,134k	 0.00	Be2 Qh3 Bf1 Qh5
 53/9	05:09	 18,924,557k	61,134k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 53/77	05:09	 18,924,557k	61,134k	+2.06	g4 Qh4 Nf3 Qxg4 Rhg1 Qh5 Ng5 Be7 Nxh7 dxc4 Nf6+ Bxf6 Be2 Qf5 Qxf5 exf5 exf6 g6 h4 Na4 Be5 f4 Kc1 Bf5 h5 Rad8 hxg6 Rxd1+ Bxd1 Nc5 g7 Nd3+ Kd2 Rd8 Bd4 Nxf2 Bf3 Ne4+ Bxe4 Bxe4 Rg4 Bg6 Rh4 Bh7 Rxf4 b5 Rh4 Rd5 Ke1 a5 a3 Rd8 Ke2 Rb8 Kf2 Rd8 Be5 Rd2+ Ke3 Rd1 Bd4 Rf1 Rh3 Rf5 Ke2 Rd5
---------------------------------------------------------------------------
 54/8	09:06	 33,551,800k	61,436k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 54/8	09:06	 33,551,800k	61,436k	 0.00	Be2 Qh3 Bf1 Qh5
 54/77	09:06	 33,551,800k	61,436k	+2.89	g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Nd7 Ng5 Nxc5 Be3 Qc7 Bxc5 Qxc5 Ka1 f6 Bg8 f5 Bxe6 Qe7 Bxc8 Raxc8 f4 Qb4 Rd3 Qxf4 Ne6 Qxe5 Nxf8 Bxf8 Rh3+ Kg8 Qxf5 Qxf5 gxf5 Be7 Rb1 b6 Rb5 Bf6 Rxd5 Bxc3+ Kb1 Bf6 Rd7 a5 Rb7 Rc6 Rg3 Rc5 Rxb6 Rxf5 Ra6 Kf7 Ra7+ Ke6 h3 Kd6 a4 Kc6 Rg6 Rf1+ Kc2 Rf2+ Kd3
---------------------------------------------------------------------------
 55/8	12:08	 44,882,708k	61,636k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 55/5	12:08	 44,882,708k	61,636k	 0.00	Be2 Qh3 Bf1 Qh5
 55/81	12:08	 44,882,708k	61,636k	+3.10	g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Nd7 Ng5 Nxc5 Be3 Qc7 Bxc5 Qxc5 Ka1 f6 Bg8 f5 Bxe6 Qe7 Bxc8 Raxc8 f4 Qb4 Rd3 Qxf4 Ne6 Qxe5 Nxf8 Bxf8 Rh3+ Kg8 Qxf5 Qxf5 gxf5 Be7 Rb1 b6 Rb5 Bf6 Rxd5 Bxc3+ Kb1 Rc4 Rd8+ Kf7 Rd7+ Kf6 Rxa7 Kxf5 Ra3 Be5 Rhf3+ Ke6 Rab3 Bxh2 Rxb6+ Ke7 Rfb3 Rg4 R3b4 Rg1+ Kc2 Rg2+ Kb3 Rg3+ Ka4 Kd7 Rc4 Rg5 Rb5 Rg1 Rd4+ Kc8 Rdb4 Rg3 Re4 Kd7 a3 Rg1
---------------------------------------------------------------------------
 56/8	17:58	 66,516,722k	61,658k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 56/65	17:58	 66,516,722k	61,658k	+0.32	Be2 Qg6 Bd3 f5 cxd5 Nxd5 Bc1 Bxc1 Rxc1 Bd7 Ka1 Qf7 Qb2 Bc6 Rhd1 Rfd8 f4 Rac8 c4 Nb6 c5 Nd5 Bc4 Kh8 Bb3 Rc7 h3 Rcd7 Qf2 Qe7 g4 g6 gxf5 gxf5 h4 Rg8 Nxc6 bxc6 h5 h6 Bxd5 Rxd5 Rxd5 exd5 Qc2 Qf7 Qa4 Qd7 Rb1 Rg7 Rb8+ Kh7 Qa6 Qc7 Rc8 Qf7 Qe2 Qd7 Rf8 Rg1+ Kb2
 56/83	17:58	 66,516,722k	61,658k	+3.14	g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Nd7 Ng5 Nxc5 Be3 Qa5 Bxc5 Qxc5 Ka1 f6 Bg8 f5 Bxe6 Qe7 Bxc8 Raxc8 f4 Qb4 Rd3 Qxf4 Ne6 Qxe5 Nxf8 Bxf8 Rh3+ Kg8 Qxf5 Qxf5 gxf5 Be7 Rb1 b6 Rb5 Bf6 Rxd5 Bxc3+ Kb1 Bf6 Rd7 a5 Rb7 Re8 Rd3 Re1+ Kc2 Re2+ Rd2 Re5 Rxb6 Rxf5 Ra6 Rb5 a4 Rh5 Rg2 Kf7 Kb1 Rf5 Rg3 Rf1+ Kc2 Rf2+ Kb3 Rb2+ Ka3 Rxh2 Rxa5 Be7+ Kb3 Bf6 Rd3 Rb2+ Ka3
---------------------------------------------------------------------------
 57/8	25:09	 92,930,709k	61,571k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 57/68	25:09	 92,930,709k	61,571k	+0.26	Be2 Qg6 Bd3 f5 cxd5 Nxd5 Bc1 Bxc1 Rxc1 Bd7 Ka1 Qf7 Bc4 Bc6 Rhd1 f4 Bb3 a5 Qd3 Rae8 h4 fxg3 fxg3 Qh5 Re1 a4 Bc2 Rf2 Bb1 Qh6 Rcd1 Qg6 Qxg6 hxg6 Rc1 Bd7 Bxg6 Rc8 Re2 Rxe2 Nxe2 Ne7 h5 Nxg6 hxg6 Be8 Nf4 a3 Nxe6 Bxg6 Nf4 Kf7 e6+ Kf6 Nxg6
 57/89	25:09	 92,930,709k	61,571k	+3.25	g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Nd7 Ng5 Nxc5 Be3 Qc7 Bxc5 Qxc5 Ka1 f6 Bg8 f5 Bxe6 Qe7 Bxc8 Raxc8 f4 Qb4 Rd3 Qxf4 Ne6 Qxe5 Nxf8 Bxf8 Rh3+ Kg8 Qxf5 Qxf5 gxf5 Be7 Rb1 b6 Rb5 Bf6 Rxd5 Bxc3+ Kb1 Bf6 Rd7 a5 Rb7 Rc5 Rxb6 Rxf5 Ra6 Rb5+ Kc1 Rc5+ Kd1 Kf7 Rg3 Bc3 Rf3+ Kg8 a3 Bd4 Rh3 Kf7 Kd2 Bf6 a4 Kg6 Rb3 Rh5 Rb5 Rxh2+ Ke3 Rh3+ Kf2 Rh2+ Kg3 Ra2 Rbxa5 Kh7 Rb5 Ra1 Kf4 Bc3 Ra7 Rg1
---------------------------------------------------------------------------
 58/8	26:38	 98,425,296k	61,564k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 58/68	26:38	 98,425,296k	61,564k	+0.29	Be2 Qg6 Bd3 f5 cxd5 Nxd5 Bc1 Bxc1 Rxc1 Bd7 Ka1 Qf7 Bc4 Nb6 Bb3 Rac8 Rb1 Rc5 Qb2 Rxe5 Qa3 f4 Qxa7 Nd5 Rhc1 fxg3 fxg3 Bc8 Rf1 Qe7 Rxf8+ Qxf8 Rc1 h6 Kb2 Qd6 a4 Re3 Nb5 Qe5 Qd4 Bd7 Qxe5 Rxe5 c4 Nb4 Rd1 Bc6 Nd4 Kf8 c5 Bd5 Ka3 Nc6 Nxc6 Bxc6
 58/90	26:38	 98,425,296k	61,564k	+3.25	g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Nd7 Ng5 Nxc5 Be3 Qa5 Bxc5 Qxc5 Ka1 f6 Bg8 f5 Bxe6 Qe7 Bxc8 Raxc8 f4 Qb4 Rd3 Qxf4 Ne6 Qxe5 Nxf8 Bxf8 Rh3+ Kg8 Qxf5 Qxf5 gxf5 Be7 Rb1 b6 Rb5 Bf6 Rxd5 Bxc3+ Kb1 Bf6 Rd7 a5 Rd6 Rc5 Rxb6 Rxf5 Ra6 Rb5+ Kc1 Rc5+ Kd1 Kf7 Rb3 Kg8 Rg3 Kf7 Rh3 Rb5 a4 Rc5 Rf3 Kg8 Ra7 Bc3 Kc2 Bd4+ Kb1 Rh5
---------------------------------------------------------------------------
 59/8	29:13	107,997,592k	61,573k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 59/70	29:13	107,997,592k	61,573k	+0.40	Be2 Qg6 Bd3 f5 cxd5 Nxd5 Bc1 Bxc1 Rxc1 Bd7 Ka1 Qf7 Rhd1 Rac8 Qb3 Nb6 Bb5 Bxb5 Nxb5 Nc4 Rd4 Na5 Qd1 Qe7 f4 Qc5 Qa4 a6 Qxa5 axb5 Qb4 Qxb4 Rxb4 Rc5 Rcb1 Rxc3 Rxb5 g5 fxg5 Ra8 Rxb7 Re3 Rb8+ Rxb8 Rxb8+ Kg7 Kb2 Re2+ Kb3 Rxe5 a4 Kg6 Kb4 Re2 Rg8+ Kf7 Ra8 Rb2+ Kc5 Rc2+ Kd6 Rd2+ Ke5 Re2+ Kf4 Rxh2
 59/86	29:13	107,997,592k	61,573k	+3.26	g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Nd7 Ng5 Nxc5 Be3 Qc7 Bxc5 Qxc5 Ka1 f6 Bg8 f5 Bxe6 Qe7 Bxc8 Raxc8 f4 Qb4 Rd3 Qxf4 Ne6 Qxe5 Nxf8 Bxf8 Rh3+ Kg8 Qxf5 Qxf5 gxf5 Be7 Rb1 b6 Rb5 Bf6 Rxd5 Bxc3+ Kb1 Bf6 Rd7 a5 Rd6 Rc5 Rxb6 Rxf5 Ra6 Rb5+ Rb3 Rc5 Rg3 Kf7 h3 Rb5+ Kc1 Rc5+ Kd2 Bg5+ Ke2 Bf6 Ra3 Bc3 Kd3 Bb4 Rb3 Rh5 Kc4 Rc5+ Kd4 Rh5 a3 Rh4+ Ke5 Rh5+ Kf4
---------------------------------------------------------------------------
 59/8	30:13	111,665,470k	61,579k	 0.00	cxd5 Nxd5 h4 Bd7 Be2 Qg6 Bd3
 59/70	30:13	111,665,470k	61,579k	+0.40	Be2 Qg6 Bd3 f5 cxd5 Nxd5 Bc1 Bxc1 Rxc1 Bd7 Ka1 Qf7 Rhd1 Rac8 Qb3 Nb6 Bb5 Bxb5 Nxb5 Nc4 Rd4 Na5 Qd1 Qe7 f4 Qc5 Qa4 a6 Qxa5 axb5 Qb4 Qxb4 Rxb4 Rc5 Rcb1 Rxc3 Rxb5 g5 fxg5 Ra8 Rxb7 Re3 Rb8+ Rxb8 Rxb8+ Kg7 Kb2 Re2+ Kb3 Rxe5 a4 Kg6 Kb4 Re2 Rg8+ Kf7 Ra8 Rb2+ Kc5 Rc2+ Kd6 Rd2+ Ke5 Re2+ Kf4 Rxh2
 60/88	30:13	111,665,470k	61,579k	+3.33	g4 Qh4 Nf3 Qd8 Bxh7+ Kh8 c5 Nd7 Ng5 Nxc5 Be3 Qa5 Bxc5 Qxc5 Ka1 f6 Bg8 f5 Bxe6 Qe7 Bxc8 Raxc8 f4 Qb4 Rd3 Qxf4 Ne6 Qxe5 Nxf8 Bxf8 Rh3+ Kg8 Qxf5 Qxf5 gxf5 Be7 Rb1 b6 Rb5 Bf6 Rxd5 Bxc3+ Kb1 Rc4 Rd8+ Kf7 Rd7+ Kf6 Rxa7 Kxf5 Ra3 Bf6 Rab3 Rc6 Rhd3 Ke6 Rb4 Bc3 Rb5 Bf6 h3 Kf7 Rb4 Bc3 Rb3 Bf6 Re3 Kg6 Re4 Kh6 a3 Kg6 Rbe3 Kf7 a4 Bc3 Rg3 Bf6 Rb3 Be7 Rg4 Bf6 Re3 Rd6 Rb4 Rd1+ Kc2 Ra1

cc2150dx · Post by **cc2150dx** » Thu May 13, 2021 10:17 pm

OTOH Fat Fritz 2 considers it:

[d]r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - -

Fat-fritz2-x86-64-avx2:
Found 145 tablebases
NNUE evaluation using FatFritz2_v1.bin enabled

<snip>

43/64 03:00 2,074,794k 11,527k +2.41 g3-g4 Qh5xg4 Qc2-d2 f7-f6 Rh1-g1 Qg4-h4 Rg1-g3 g7-g6 Rd1-g1 Nb6xc4 Bd3xc4 d5xc4 Qd2-e3 f6-f5 Nd4-b5 Ba3-c5 Qe3xc5 Qh4xf4 Qc5-e7 Qf4-h6 Nb5-c7 f5-f4 Rg3-g5 Qh6-g7 Qe7xg7+ Kg8xg7 Nc7xa8 Bc8-d7 Rg1-d1 Bd7-a4 Rd1-d4 Rf8xa8 Rd4xc4 Ba4-b5 Rc4xf4 Ra8-c8 Rg5-g3 Rc8-c5 Rg3-e3 Bb5-c6 h2-h4 Bc6-d5 a2-a3 Kg7-h6 Kb1-c2 Kh6-h5 Re3-g3 Kh5-h6 Rg3-g5 Kh6-g7 h4-h5 Rc5-a5 Rg5-g1 Ra5xa3

peter · Post by **peter** » Thu May 13, 2021 10:51 pm

Dann Corbit wrote: ↑Thu May 13, 2021 9:22 pm [d]r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - -
For the above position, I have dominating win totals for g4 (50 games, 47 wins, 3 draws, no losses).

Of 38 corr. games stored at Herbert Bellmann's 2021 CD there are 36 1-0 and two draws.

18.g4 is the one actively to be played by engine at Hiarcs online abo- book, next oftenly move as for examples given in this book, 18.Be2 has 48 games in .corr- CD, of which still 31 went 1-0, so it's statistically not so bad neither.
Yet the correct eval of 18.g4 should be of course relevantly higher then that of other moves and it is so, as you already saw with MultiPV, if g4 get's primary line.

Dann Corbit · Post by **Dann Corbit** » Thu May 13, 2021 10:56 pm

peter wrote: ↑Thu May 13, 2021 10:51 pm
Dann Corbit wrote: ↑Thu May 13, 2021 9:22 pm [d]r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - -
For the above position, I have dominating win totals for g4 (50 games, 47 wins, 3 draws, no losses).
Of 38 corr. games stored at Herbert Bellmann's 2021 CD there are 36 1-0 and two draws.

18.g4 is the only one actively to be played at Hiarcs online abo- book, next oftenly played move in this book 18.Be2 has 48 examples of which still 31 are 1-0, so it's statistically not so bad neither.
Yet the correct eval of 18.g4 should be relevantly higher then that of other moves.

On Multi-pv=3 SF with 60 threads and full 6 man TB (+ important 7 man) takes five minutes to find it. SF with multi-pv=1 cannot find it in half an hour.
It looks like FF2 found it in 3 minutes or less.
LC0 with 2x 2080 super found it in 5 minutes using net 68002

Spliffjiffer · Post by **Spliffjiffer** » Thu May 13, 2021 11:17 pm

Dann Corbit wrote: ↑Thu May 13, 2021 10:56 pm
peter wrote: ↑Thu May 13, 2021 10:51 pm
Dann Corbit wrote: ↑Thu May 13, 2021 9:22 pm [d]r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - -
For the above position, I have dominating win totals for g4 (50 games, 47 wins, 3 draws, no losses).
Of 38 corr. games stored at Herbert Bellmann's 2021 CD there are 36 1-0 and two draws.

18.g4 is the only one actively to be played at Hiarcs online abo- book, next oftenly played move in this book 18.Be2 has 48 examples of which still 31 are 1-0, so it's statistically not so bad neither.
Yet the correct eval of 18.g4 should be relevantly higher then that of other moves.
On Multi-pv=3 SF with 60 threads and full 6 man TB (+ important 7 man) takes five minutes to find it. SF with multi-pv=1 cannot find it in half an hour.
It looks like FF2 found it in 3 minutes or less.
LC0 with 2x 2080 super found it in 5 minutes using net 68002

cfish250321"pure" with AMiE finds it in 42 sec ...6 cores (12 threads) 8GB ram, no TB's:
20 sec pre 3min MPv=1:
MPv24:Rdg1; MPv18:Be2;MPv12:g4;MPv6:g4;MPv5:g4;MPv4:g4;MPv3:g4;MPv2:g4;MPv1:g4 final ev: 3.52 solved in 42 sec

Dann Corbit · Post by **Dann Corbit** » Thu May 13, 2021 11:27 pm

What is AMiE ?
What is Cfish "Pure" ? (I guess no NNUE, but I am not sure).

According to my understanding, Cfish is supposed to be essentially identical to Stockfish, except faster.
So Cfish solving it quickly does not make sense to me.

peter · Post by **peter** » Thu May 13, 2021 11:32 pm

Dann Corbit wrote: ↑Thu May 13, 2021 10:56 pm On Multi-pv=3 SF with 60 threads and full 6 man TB (+ important 7 man) takes five minutes to find it. SF with multi-pv=1 cannot find it in half an hour.
It looks like FF2 found it in 3 minutes or less.
LC0 with 2x 2080 super found it in 5 minutes using net 68002

Here's SugaR AI ICCF, pity not developed anymore by Marco Zerbinati (only SugaR AI, tried this one 2.00 with same default net nn-62ef826d1a6d.nnue too, no g4 after 5 minutes)
12x3GHz SSE4.1 popcnt, 32G hash:

r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - - 0 1

Analysis by SugaR AI ICCF 1.90 modern:

Code: Select all

18.g4 Qh3 19.Nb5 Bc5 20.Nd6 Nxc4 21.Bxc4 
  =  (0.30)   Depth: 7/9   00:00:12  86kN
18.g4 Qh3 19.cxd5 exd5 20.Rhg1 Bxg4 21.f3 Bh5 
  +/=  (0.33)   Depth: 8/12   00:00:12  230kN
18.g4 Qh3 19.cxd5 Nxd5 20.Bc1 Bc5 21.Nb3 Bb6 22.Rhg1 h6 
  +/=  (0.38)   Depth: 9/12   00:00:12  347kN
18.Be2 Qh3 19.Bf1 Qh5 
  =  (0.00)   Depth: 10/18   00:00:12  623kN
...
18.Be2 Qh3 19.Bf1 Qh5 
  =  (0.00)   Depth: 23/6   00:00:36  222MN
18.g4 
  =  (0.08 ++)   Depth: 24/21   00:01:41  791MN
...
18.g4 
  +/-  (1.47 ++)   Depth: 24/47   00:01:54  905MN
18.g4 Qxg4 19.Qd2 Be7 20.h4 Nxc4 21.Bxc4 dxc4 22.h5 Rd8 23.h6 g6 24.f3 Rxd4 25.fxg4 Rxd2 26.Rxd2 b6 27.Rf1 Bb7 28.Rd7 Be4+ 29.Kb2 Bd3 30.Rf2 Bc5 31.Rf3 Be4 32.Rh3 Bd5 33.Be3 Bf8 
  +/-  (0.92)   Depth: 24/47   00:01:58  939MN
...
18.g4 Qh4 19.Nf3 Qe7 20.Bxh7+ Kh8 21.Ng5 Qc7 22.Ka1 g6 23.h4 Nxc4 24.Rb1 f6 25.Bg3 Nxe5 26.Bxe5 Qxe5 27.f4 Qxf4 28.Bxg6 e5 29.Nh7 e4 30.g5 Bg4 31.Nxf8 Bxf8 32.Rxb7 f5 33.Rh7+ Kg8 34.h5 Qxg5 
  +-  (2.15)   Depth: 26/50   00:02:46  1386MN
...
18.g4 Qxg4 19.Qd2 f6 20.Rhg1 Qh4 21.Nf3 Qh5 22.exf6 Rxf6 23.Ng5 Rh6 24.Ka1 Bd7 25.Be5 Bf8 26.c5 Na4 27.Be2 Qg6 28.Nf3 Qh5 29.Bd4 Be8 30.Qe3 b6 31.c6 Nc5 32.Ne5 Qh4 33.Rg4 Qxh2 34.Rdg1 Bg6 35.f4 Rh3 36.Nf3 Rxf3 37.Qxf3 Rc8 
  +-  (2.45)   Depth: 27/46   00:04:06  2138MN

Could well be a nullmove- pruning- item too, here's Jörg Oster's SF MOJO with switched off Nullmove- option, same net and hardware as before:

r1b2rk1/pp3ppp/1n2p3/3pP2q/2PN1B2/b1PB2P1/P1Q2P1P/1K1R3R w - - 0 1

Analysis by Stockfish-MOJO 020521:

Code: Select all

18.Nb5 Bc5 19.Nc7 dxc4 
  +/-  (1.30)   Depth: 7/8   00:00:02  41kN
...
18.Be2 Qg6 19.Bd3 Qh5 
  =  (0.00)   Depth: 11/4   00:00:02  221kN
...
18.Be2 Qg6 19.Bd3 Qh5 
  =  (0.00)   Depth: 26/4   00:00:03  6436kN
18.Nb5 Bc5 19.Be2 Qg6 20.Bd3 
  =  (0.00)   Depth: 27/5   00:00:03  8435kN
...
18.Nb5 Bc5 19.Nc7 Bd7 20.Be2 Qh3 21.Bf1 Qg4 22.Be2 
  =  (0.00)   Depth: 32/9   00:00:06  29936kN
18.g4 
  =  (0.08 ++)   Depth: 33/9   00:00:12  74764kN
...
18.g4 Qh4 19.Nf3 Qd8 20.Bxh7+ Kh8 21.Ka1 Nxc4 22.Rb1 Be7 23.Bd3 Bd7 24.h4 Na3 25.Qc1 a6 26.Rxb7 Bb5 27.Bg5 Bxd3 28.Bxe7 Nc2+ 29.Qxc2 Qxe7 30.Rxe7 Bxc2 31.Nd4 Bd3 32.Rd1 Bh7 33.f4 Rac8 34.Kb2 Be4 35.Ra7 Rc4 36.Rc1 Kg8 37.Rxa6 Rb8+ 38.Ka3 Rbc8 39.h5 Rxc3+ 40.Rxc3 
  +-  (2.04)   Depth: 33/55   00:00:54  388MN
...
18.g4 Qxg4 19.Qd2 f6 20.Rhg1 Qh4 21.Nf3 Qh5 22.exf6 Rxf6 23.Ng5 Nxc4 24.Bxc4 dxc4 25.Be5 Be7 26.f4 Rf5 27.h4 a5 28.Qd4 Qe8 29.Ne4 g6 30.Ka1 Ra6 31.Rg5 b5 32.h5 Bb7 33.hxg6 hxg6 34.Nf6+ Bxf6 35.Rxf5 exf5 36.Bxf6 Bf3 
  +-  (2.41)   Depth: 35/63   00:02:19  1023MN
18.g4 Qh4 
  +-  (2.08 --)   Depth: 36/42   00:02:36  1148MN
...
18.g4 
  +-  (3.15 ++)   Depth: 36/71   00:04:24  1950MN

Again I had another one run with default setting (Nullmove option checked) this time g4 getting best at 5' 17".

As far as I know, SugaR ICCF has less nullmove pruning or more nm verification than SF dev. has too. As well as SugaR ICCF, SF MOJO (Modification by Jörg Oster) runs with NNUE Pure option default, meaning no hybrid eval, that can by chosen as well as classic eval. CFish lets chose between these three too regards

Dann Corbit · Post by **Dann Corbit** » Thu May 13, 2021 11:40 pm

Here are about 1000 related positions:

I guess that for 10% of them, the engine will be right.
For the ones at the top of the file, the engine is off by a full piece.
For the ones at the bottom of the file, the engine is off by a pawn.

Spliffjiffer · Post by **Spliffjiffer** » Thu May 13, 2021 11:50 pm

Dann Corbit wrote: ↑Thu May 13, 2021 11:27 pm What is AMiE ?
What is Cfish "Pure" ? (I guess no NNUE, but I am not sure).

According to my understanding, Cfish is supposed to be essentially identical to Stockfish, except faster.
So Cfish solving it quickly does not make sense to me.

1.AMiE is:

Spliffjiffer wrote: ↑Wed May 12, 2021 9:49 pm

analysing with MultiPv>1 is often a 1st step to enter a position with the help of a computer
the normal way is to subsequently reduce the amount of different lines that the engine is offering (MultiPv) until a bunch of moves is left where the user believes that these lines should be considered seriously
as the quality of the so generated "best" move depends on many different things i was curious about how a "stupid" variation of this method would do in solving testpositions
the procedure is simple:
start with MPv=24 and let the engine run for a certain amount of time u consider reasonable (i did choose 20 sec) and reduce the MPv to 18 after the engine has made its move
take back the move it played and let it run again for the same amount of time you chose before (now with MPv set to 18) and do NEVER clear the hashtables in all the steps following
this procedure will get repeated until u end up with MPv=1
the steps are the following:
MPv=24 (1st step)
MPv=18 (2nd step)
MPv=12 (3.)
MPv=6 (4.)
MPv=5 (5.)
MPv=4 (6.)
MPv=3 (7.)
MPv=2 (8.)
MPv=1 (last step)

the MPv=1 search should be longer than the time u chose before...i decided to take roughly the time that the "presearches" last (step 1 to step 8)
in my case i did choose 20 sec for all the "presearches"...thats 8 times 20 sec = 160 sec....out of the fact that i love natural numbers i chose 3 min for my MPv=1 search
the background for these numbers is roughly this:
the testsuite is meant to be solved with 30 min searching-time for each of the positions by using only 1 core (if i got this completely wrong im sorry for that)
as the whole procedure is completely handcrafted though i decided to use 6 cores instead because elsewise i would still sit here and went already mad probably if not already happend
so the math is roughly like that: 30 min devided by 6 cores = 5 min...my "presearches" last 160 sec + my MPv=1 search last 180 sec = 340 sec = 5 min 40 sec (as 6 cores are not exactely 6 times faster than 1 core i just made this decision)

this simplified MPv-reduction-method i will call "AMiE" (Analyisis Method for idiots (like me) Especially)

knowing that SMP-luck/bad luck matters here id like to mention that this test sould only be considered as an assertion out of the capabilities this method (especially the big brother method of this) is offering

minimum solving time was declared as 1 sec.

if there were less than 24 different moves legaly possible the procedure did not change

the engine i used was cfish250321 AVX2 "PURE"-NNUE 8192 MB ram on a Ryzen 3600 with 6 cores (12 threads used), net: nn-62ef826d1a6d
thinking-time used for presearches = 20 sec each and 180 sec for the MPv=1 search which summons up to a 5 min and 40 seconds lasting search for every position
hashtables were cleared after the complete step by step-search until MPv=1 was finished and the engine was restarted as well:

Code: Select all


1. HTC.001, 1B1K1k2/4N2p/3pP1pP/6p1/p7/3N2b1/2r2p2/8 w - - bm Nc6:
MPv24:Nc6;MPv18:Nc6;MPv12:Nc6;MPv6:Nc6;MPv5:Nc6;MPv4:Nc6;MPv3:Nc6;MPv2:Nc6;MPv1:Nc6			final ev:31.98	solved in: 9 sec

2. HTC.002, 1B1r4/rp2npkp/2b1pbp1/1qp5/nPN1R3/1P1P1QP1/2P2PBP/5R1K w - - bm Qxf6+:
MPv24:Qxf6+;MPv18:Qxf6+;MPv12:Qxf6+;MPv6:Qxf6+;MPv5:Qxf6+;MPv4:Qxf6+;MPv3:Qxf6+;MPv2:Qxf6+;MPv1:Qxf6+	final ev:10.64	solved in: 9 sec

3. HTC.003, 1N4K1/1pp1p3/7k/2r3pP/p2pp1P1/P6N/8/2B5 w - - bm Nc6:
MPv24:Nc6;MPv18:Nc6;MPv12:Nc6;MPv6:Nc6;MPv5:Nc6;MPv4:Nc6;MPv3:Nc6;MPv2:Nc6;MPv1:Nc6			final ev:0.00	solved in: 7 sec

4. HTC.007, 1k6/3p4/1B6/4Pp1p/1p5R/1p4p1/pP3n2/K6n w - - bm Rxh1:
MPv24:Rxb4;MPv18:Rxb4;MPv12:Rxh1;MPv6:Rxh1;MPv5:Rxh1;MPv4:Rxh1;MPv3:Rxh1;MPv2:Rxh1;MPv1:Rxh1		final ev:-6.29	solved in: 110 sec

5. HTC.008, 1nb3rr/2pp3p/p1k2P2/n1q1PN2/P1pR3N/b4PBp/1R2P3/1KQ5 w - - bm Rd6+:
MPv24:Ne7+;MPv18:Ne7+;MPv12:Ne7+;MPv6:Ne7+;MPv5:Ne7+;MPv4:Ne7+;MPv3:Ne7+;MPv2:Rd6+;MPv1:Rd6+		final ev:10.87	solved in: 142 sec

6. HTC.010, 1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - - bm Rxf6:
MPv24:Rxf6;MPv18:Rxf6;MPv12:Rxf6;MPv6:Rxf6;MPv5:Rxf6;MPv4:Rxf6;MPv3:Rxf6;MPv2:Rxf6;MPv1:Rxf6		final ev:12.47	solved in: 1 sec

7. HTC.011, 1r1q1rk1/1p2b2p/pN6/P1pP1bp1/5p2/2B2Q2/1P4PP/R4RK1 w - - bm g4:
MPv24:Rad1;MPv18:g4;MPv12:g4;MPv6:g4;MPv5:g4;MPv4:g4;MPv3:g4;MPv2:g4;MPv1:g4				final ev:4.59	solved in: 78 sec

8. HTC.012,1r1rb1k1/5ppp/4p3/1p1p3P/1q2P2Q/pN3P2/PPP4P/1K1R2R1 w - - bm Rxg7+:
MPv24:Rxg7+;MPv18:Rxg7+;MPv12:Rxg7+;MPv6:Rxg7+;MPv5:Rxg7+;MPv4:Rxg7+;MPv3:Rxg7+;MPv2:Rxg7+;MPv1:Rxg7+	final ev:11.48	solved in: 3 sec

9. HTC.013,1r2kb1r/p5p1/1np1p1N1/3pPnB1/1p1P2B1/qP6/2PQ1P1P/1K1R3R b k - bm Nc4:
MPv24:Na4;MPv18:Na4;MPv12:Na4;MPv6:Na4;MPv5:Na4;MPv4:Na4;MPv3:Nc4;MPv2:Nc4;MPv1:Nc4			final ev:3.64	solved in: 120 sec

10. HTC.014,1r3r2/4bpkp/1qb1p1p1/3pP1P1/p1pP1Q2/PpP2N1R/1Pn1B2P/3RB2K w - - bm Qf6+:
MPv24:Qf6+;MPv18:Bd2;MPv12:Qf6+;MPv6:Qf6+;MPv5:Qf6+;MPv4:Qf6+;MPv3:Qf6+;MPv2:Qf6+;MPv1:Qf6+		final ev:1.67	solved in: 83 sec

11. HTC.016,1r3rk1/3bbppp/1qn2P2/p2pP1P1/3P4/2PB1N2/6K1/qNBQ1R2 w - - bm Bxh7+:
MPv24:Rh1;MPv18:Rh1;MPv12:Rh1;MPv6:Rh1;MPv5:Bxh7+;MPv4:Bxh7+;MPv3:Bxh7+;MPv2:Bxh7+;MPv1:Bxh7+		final ev:10.35	solved in: 100 sec

12. HTC.019,1r3rk1/5p1p/p2pb1p1/3Np1P1/2pRPR2/qP2Q1N1/P1PK3P/8 w - - bm Nf5:
MPv24:Rf1;MPv18:Nf6+;MPv12:Rf3;MPv6:Ne7+;MPv5:Nf5;MPv4:Nf5;MPv3:Nf5;MPv2:Nf5;MPv1:Nf5			final ev:4.40	solved in: 87 sec

13. HTC.020,1r4k1/pb3p1p/r1p1p1p1/2p1P3/P1P2P2/1PB5/2K3PP/5R2 w - - bm a5:
MPv24:Rd1;MPv18:Rd1;MPv12:a5;MPv6:a5;MPv5:a5;MPv4:a5;MPv3:a5;MPv2:a5;MPv1:a5				final ev:-3.65	solved in: 43 sec

14. HTC.021,1r6/4k3/r2p2p1/2pR1p1p/2P1pP1P/pPK1P1P1/P7/1B6 b - - bm Rxb3+:
MPv24:Rxb3+;MPv18:Rg8;MPv12:Kd7;MPv6:Kf6;MPv5:Rbb6;MPv4:Rxb3+;MPv3:Rxb3+;MPv2:Rxb3+;MPv1:Rxb3+		final ev:3.93	solved in: 121 sec

15. HTC.023,1rb1qrk1/2b2pp1/p3pBn1/3pP1Pp/1ppP4/2P1QN2/PP3P1P/R2BR1K1 w - - bm Nh4:
MPv24:h4;MPv18:Nh4;MPv12:Nh4;MPv6:Nh4;MPv5:Nh4;MPv4:Nh4;MPv3:Nh4;MPv2:Nh4;MPv1:Nh4			final ev:2.14	solved in: 49 sec

16. HTC.028,1rbq1r1k/7p/2np2p1/p2N1p2/R1B1PP1b/1PP1N3/8/3Q1K1R w - - bm Ra2:
MPv24:Ra2;MPv18:Ra2;MPv12:Ra2;MPv6:Ra2;MPv5:Ra2;MPv4:Ra2;MPv3:Ra2;MPv2:Ra2;MPv1:Ra2			final ev:1.53	solved in: 12 sec

17. HTC.029,1rbq1rk1/1p2ppbn/p2p2p1/P1pP4/4P3/2PB1N2/2P3PP/R1B1QRK1 w - - bm e5:
MPv24:e5;MPv18:e5;MPv12:e5;MPv6:e5;MPv5:e5;MPv4:e5;MPv3:e5;MPv2:e5;MPv1:e5				final ev:1.53	solved in: 7 sec

18. HTC.031,2R5/k1p1p1K1/P1p1Pp2/5P2/7P/pB6/2p5/2r5 w - - bm Rxc7+:
MPv24:Rxc7+;MPv18:Rxc7+;MPv12:Rxc7+;MPv6:Rxc7+;MPv5:Rxc7+;MPv4:Rxc7+;MPv3:Rxc7+;MPv2:Rxc7+;MPv1:Rxc7+	final ev:9.69	solved in: 3 sec

19. HTC.034,2b1rk2/5p2/p1P5/2p2P2/2p5/7B/P7/2KR4 w - - bm f6
MPv24:Rd5;MPv18:c7;MPv12:c7;MPv6:c7;MPv5:c7;MPv4:a4;MPv3:c7;MPv2:c7;MPv1:c7				final ev:0.00	not solved

20. HTC.035,2b3r1/1p1p2pk/2nBp2p/2P1Ppq1/R7/4QBPP/5P2/5K2 w - - bm Qxg5:
MPv24:Qxg5;MPv18:Qxg5;MPv12:Qxg5;MPv6:Qxg5;MPv5:Qxg5;MPv4:Qxg5;MPv3:Qxg5;MPv2:Qxg5;MPv1:Qxg5		final ev:5.14	solved in: 4 sec

21. HTC.036,2bk2r1/5q2/1p2pP1Q/pP1pP1P1/P2P4/8/2RK4/8 w - - bm Kc1:
MPv24:Kc1;MPv18:Kc1;MPv12:Kc1;MPv6:Kc1;MPv5:Kc1;MPv4:Kc1;MPv3:Kc1;MPv2:Kc1;MPv1:Kc1			final ev:6.31	solved in: 28 sec

22. HTC.038,2bqrr1k/p5b1/1p1p2pp/nPpBp3/P1P1N2P/3PN1P1/R4P1K/3Q1R2 w - - bm Nc3:
MPv24:Kg2;MPv18:h5;MPv12:Nc3;MPv6:Nc3;MPv5:h5;MPv4:Ng2;MPv3:h5;MPv2:Kg2;MPv1:Nc6			final ev:2.81	not solved

23. HTC.039,2k2Br1/p6b/Pq1r4/1p2p1b1/1Ppp2p1/Q1P3N1/5RPP/R3N1K1 b - - bm Rf6:
MPv24:Be3;MPv18:Be3;MPv12:Rd7;MPv6:Rf6;MPv5:Rf6;MPv4:Rf6;MPv3:Rf6;MPv2:Rf6;MPv1:Rf6			final ev:7.93	solved in: 79 sec

24. HTC.043,2q2r1k/p1p1b1pp/br1p1n2/2p1N1BP/Q1P1P3/8/PP1N1PP1/2KR3R w - - bm Ng6+:
MPv24:Nd3;MPv18:Nd3;MPv12:Nd3;MPv6:Ng6+;MPv5:Ng6+;MPv4:Ng6+;MPv3:Ng6+;MPv2:Ng6+;MPv1:Ng6+		final ev:5.68	solved in: 80 sec

25. HTC.046,2r2bk1/pNq3p1/2Pp3p/1p1Prp2/1P2p1P1/6Q1/P4P1P/2RR2K1 w - - bm Qxe5:
MPv24:Qxe5;MPv18:Qxe5;MPv12:Qxe5;MPv6:Qxe5;MPv5:Qxe5;MPv4:Qxe5;MPv3:Qxe5;MPv2:Qxe5;MPv1:Qxe5		final ev:2.72	solved in: 4 sec

26. HTC.047,2r2r1k/qb3p1p/p2p1Np1/np1Pp1P1/2P5/3RP2P/5R2/4Q1K1 w - - bm Rf4:
MPv24:Rf4;MPv18:Rf4;MPv12:Rf4;MPv6:Rf4;MPv5:Rf4;MPv4:Rf4;MPv3:Rf4;MPv2:Rf4;MPv1:Rf4			final ev:0.00	solved in: 1 sec

27. HTC.049,2r2rk1/1bpR1p2/1pq1pQp1/p3P2p/P1PR3P/5N2/2P2PPK/8 w - - bm Kg3:
MPv24:Kg3;MPv18:Kg3;MPv12:Kg3;MPv6:Kg3;MPv5:Kg3;MPv4:Kg3;MPv3:Kg3;MPv2:Kg3;MPv1:Kg3			final ev:#20	solved in: 1 sec

28. HTC.050,2r2rk1/2q2p1p/p1p1nPpQ/3p4/4p1B1/8/PPP3PP/R4R1K w - - bm Rf5:
MPv24:Rf5;MPv18:Rf5;MPv12:Rf5;MPv6:Rf5;MPv5:Rf5;MPv4:Rf5;MPv3:Rf5;MPv2:Rf5;MPv1:Rf5			final ev:#6	solved in: 9 sec

29. HTC.052,2r4r/3n1pk1/pq1p1bp1/3B4/1p2P1N1/7P/PP1Q1PK1/3RR3 w - - bm Bxf7:
MPv24:Rc1;MPv18:Bxf7;MPv12:Bxf7;MPv6:Bxf7;MPv5:Bxf7;MPv4:Bxf7;MPv3:Bxf7;MPv2:Bxf7;MPv1:Bxf7		final ev:2.69	solved in: 21 sec

30. HTC.053,2r5/prkpR1p1/2p1ppK1/P1p1N1B1/P1P1P3/8/8/8 w - - bm Bf4:
MPv24:Bxf6;MPv18:Rxd7+;MPv12:Bxf6;MPv6:Rxd7+;MPv5:Bxf6;MPv4:Bxf6;MPv3:a6;MPv2:a6;MPv1:Bf4		final ev:2.75	solved in: 282 sec

31. HTC.054,3B4/1r2p3/r2p1p2/bkp1P1p1/1p1P1PPp/p1P1K2P/PPB5/8 w - - bm Ba4+:
MPv24:c4;MPv18:exf6;MPv12:c4;MPv6:exf6;MPv5:c4;MPv4:c4;MPv3:exf6;MPv2:c4;MPv1:c4			final ev:-10.85	not solved

32. HTC.056,3b2n1/1q3p1k/6pp/np2N3/2bBPN2/1pP4P/4QPP1/1B4K1 w - - bm Nexg6:
MPv24:Nexg6;MPv18:Nexg6;MPv12:Nexg6;MPv6:Nexg6;MPv5:Nexg6;MPv4:Nexg6;MPv3:Nexg6;MPv2:Nexg6;MPv1:Nexg6	final ev:3.97	solved in: 52 sec

33. HTC.058,3k4/4pp2/n2n4/5BN1/3N4/b7/4K3/8 w - - bm Nxf7+:
MPv24:Bh7;MPv18:Nxf7+;MPv12:Nxf7+;MPv6:Nxf7+;MPv5:Nxf7+;MPv4:Nxf7+;MPv3:Nxf7+;MPv2:Nxf7+;MPv1:Nxf7+	final ev:-0.30	solved in: 23 sec

34. HTC.059,3kB3/5K2/7p/3p4/3pn3/4NN2/8/1b4B1 w - - bm Nf5:
MPv24:Kf8;MPv18:Kf8;MPv12:Ba4;MPv6:Nf5;MPv5:Kf8;MPv4:Kf8;MPv3:Kf8;MPv2:Nf5;MPv1:Kf8			final ev:0.73	not solved

35. HTC.061,3q1r1k/6rp/3p4/P2Pbp1Q/N3Pp1n/2P5/P1B2RPP/R6K b - - bm f3:
MPv24:f3;MPv18:f3;MPv12:f3;MPv6:f3;MPv5:f3;MPv4:f3;MPv3:f3;MPv2:f3;MPv1:f3				final ev:0.76	solved in: 1 sec

36. HTC.065,3rqbk1/2p3p1/b6p/Q1p5/2N1PP2/1P1P2P1/2P4P/5R1K b - - bm Bc8:
MPv24:Qc6;MPv18:Qc6;MPv12:Qc6;MPv6:Qc6;MPv5:Bc8;MPv4:Bc8;MPv3:Bc8;MPv2:Bc8;MPv1:Bc8			final ev:0.62	solved in: 100 sec

37. HTC.066,4B3/1Pb4p/8/4p1k1/3p1p2/5K2/2P5/8 b - - bm e4+:
MPv24:e4+;MPv18:e4+;MPv12:e4+;MPv6:e4+;MPv5:e4+;MPv4:e4+;MPv3:e4+;MPv2:e4+;MPv1:e4+			final ev:8.83	solved in: 2 sec

38. HTC.067,4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - - bm f4:
MPv24:Bd1;MPv18:Bd1;MPv12:Bd1;MPv6:Be4;MPv5:Bg6;MPv4:a3;MPv3:Kd7;MPv2:a3;MPv1:Be4			final ev:1.21	not solved

39. HTC.068,4K2k/1pQp3p/1R4p1/1P4P1/8/3P3P/1q3r2/8 w - - bm Qd8:
MPv24:Qd8;MPv18:Qd8;MPv12:Qd8;MPv6:Qd8;MPv5:Qd8;MPv4:Qd8;MPv3:Qd8;MPv2:Qd8;MPv1:Qd8			final ev:10.43	solved in: 2 sec

40. HTC.069,4R3/P7/2bB2p1/r3pk2/2p2p1P/2P2P1K/6P1/8 w - - bm Rxe5+:
MPv24:Rc8;MPv18:Rc8;MPv12:Rc8;MPv6:Rc8;MPv5:Rc8;MPv4:Rc8;MPv3:Rc8;MPv2:Rc8;MPv1:Rc8			final ev:8.18	not solved

41. HTC.070,4b1k1/P4pPp/1R3P1P/2r5/8/1P6/1K6/8 w - - bm a8=B:
MPv24:b4;MPv18:a8=B;MPv12:a8=B;MPv6:a8=B;MPv5:a8=B;MPv4:a8=B;MPv3:a8=B;MPv2:a8=B;MPv1:a8=B		final ev:11.47	solved in: 26 sec

42. HTC.072,4b3/7p/4k3/B4pPP/5K2/P4P2/8/8 w - - bm g6:
MPv24:h6;MPv18:g6;MPv12:g6;MPv6:g6;MPv5:g6;MPv4:g6;MPv3:g6;MPv2:g6;MPv1:g6				final ev:8.58	solved in: 22 sec

43. HTC.074,4k1br/1K1p1n1r/2p2pN1/P2p1N2/2P3pP/5B2/P2P4/8 w - - bm Kc8:
MPv24:a6;MPv18:a6;MPv12:Kc8;MPv6:Kc8;MPv5:Kc8;MPv4:Kc8;MPv3:Kc8;MPv2:Kc8;MPv1:Kc8			final ev:#14	solved in: 66 sec

44. HTC.078,4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - bm Qxe5:
MPv24:Qa3;MPv18:Qa3;MPv12:Qxe5;MPv6:Qa3;MPv5:Qxe5;MPv4:Qxe5;MPv3:Qxe5;MPv2:Qxe5;MPv1:Qxe5		final ev:6.85	solved in: 131 sec

45. HTC.081,4r1rk/p3qpp1/1pnp1n1p/5P2/P1PPP3/4Q2P/2BB2R1/6RK w - - bm Rxg7:
MPv24:Rxg7;MPv18:Rxg7;MPv12:Rxg7;MPv6:Rxg7;MPv5:Rxg7;MPv4:Rxg7;MPv3:Rxg7;MPv2:Rxg7;MPv1:Rxg7		final ev:7.37	solved in: 16 sec

46. HTC.083,5k2/8/pppppppp/8/PPPPPPPP/8/8/5K2 w - - bm d5:
MPv24:d5;MPv18:d5;MPv12:d5;MPv6:d5;MPv5:d5;MPv4:d5;MPv3:d5;MPv2:d5;MPv1:d5				final ev:9.99	solved in: 12 sec

47. HTC.087,5nr1/2Pp2pk/3Pp1p1/4P1P1/6P1/5K2/8/7n w - - bm c8=N:
MPv24:Kg2;MPv18:Kg2;MPv12:Kg2;MPv6:Kg2;MPv5:c8=N;MPv4:c8=N;MPv3:c8=N;MPv2:c8=N;MPv1:c8=N		final ev:152.65	solved in: 161 sec

48. HTC.089,5rk1/pp3p1p/7b/2pR4/8/2P4P/P1PNr1P1/2K4R b - - bm Rxd2:
MPv24:Rxd2;MPv18:Rxd2;MPv12:Rxd2;MPv6:Rxd2;MPv5:Rxd2;MPv4:Rxd2;MPv3:Rxd2;MPv2:Rxd2;MPv1:Rxd2		final ev:9.35	solved in: 1 sec

49. HTC.090,6R1/8/2pB3k/2P4p/5p1q/5P2/4P1K1/8 w - - bm Bf8+:
MPv24:Rf8;MPv18:Re8;MPv12:Bf8+;MPv6:Bf8+;MPv5:Bf8+;MPv4:Bf8+;MPv3:Bf8+;MPv2:Bf8+;MPv1:Bf8+		final ev:40.22	solved in: 62 sec

50. HTC.091,6br/1KNp1n1r/2p2p2/P1ppRP2/1kP3pP/3PBB2/PN1P4/8 w - - bm Bxc5+:
MPv24:Bxc5+;MPv18:Bxc5+;MPv12:Bxc5+;MPv6:Bxc5+;MPv5:Bxc5+;MPv4:Bxc5+;MPv3:Bxc5+;MPv2:Bxc5+;MPv1:Bxc5+	final ev:2.03	solved in: 7 sec

51. HTC.093,6k1/1qr1p2p/ppN5/3p1N2/6p1/1P1P2Pp/PP2PP1P/2RK4 w - - bm Ncxe7+:
MPv24:Kd2;MPv18:Kd2;MPv12:Rc3;MPv6:Kd2;MPv5:b4;MPv4:Rc3;MPv3:Rc3;MPv2:Kd2;MPv1:b4			final ev:-7.67	not solved

52. HTC.094,6k1/8/1pK4p/bPp5/8/1P6/P1B2P2/8 w - - bm b4:
MPv24:b4;MPv18:b4;MPv12:b4;MPv6:b4;MPv5:b4;MPv4:b4;MPv3:b4;MPv2:b4;MPv1:b4				final ev:19.33	solved in: 11 sec

53. HTC.095,6k1/p7/8/4B3/Pp3p1P/qP5P/P1Rb2K1/8 w - - bm Kf3:
MPv24:Rxd2;MPv18:Rxd2;MPv12:Rxd2;MPv6:Rxd2;MPv5:Rxd2;MPv4:Rxd2;MPv3:Rxd2;MPv2:Rxd2;MPv1:Rxd2		final ev:0.00	not solved

54. HTC.096,6k1/ppn2p2/8/2P2P1p/1P2K3/2N5/P7/8 w - - bm Nd5:
MPv24:Nd5;MPv18:Nd5;MPv12:Nd5;MPv6:Nd5;MPv5:Nd5;MPv4:Nd5;MPv3:Nd5;MPv2:Nd5;MPv1:Nd5			final ev:7.27	solved in: 16 sec

55. HTC.097,6r1/6r1/2p1k1pp/p1pbP2q/Pp1p1PpP/1P1P2NR/1KPQ3R/8 b - - bm Qf5:
MPv24:gxh3;MPv18:gxh3;MPv12:gxh3;MPv6:Qf5;MPv5:Qf5;MPv4:Qf5;MPv3:Qf5;MPv2:Qf5;MPv1:Qf5			final ev:3.99	solved in: 75 sec

56. HTC.099,7k/4PBNp/7P/2p5/2P5/2rq2Pp/1P3P1K/8 b - - bm Qxg3+:
MPv24:Qxg3+;MPv18:Qxg3+;MPv12:Qxg3+;MPv6:Qxg3+;MPv5:Qxg3+;MPv4:Qxg3+;MPv3:Qxg3+;MPv2:Qxg3+;MPv1:Qxg3+	final ev:0.00	solved in: 4 sec

57. HTC.101,7k/pp2Np1p/2p2P1N/5pP1/7K/P4n2/1q3Q2/5n2 w - - bm Kh5:
MPv24:Kh5;MPv18:Kh5;MPv12:Kh5;MPv6:Kh5;MPv5:Kh5;MPv4:Kh5;MPv3:Kh5;MPv2:Kh5;MPv1:Kh5			final ev:10.12	solved in: 1 sec

58. HTC.103,8/1B3b1p/7P/p2p4/P2pp1kp/Q7/1N1Pq2P/7K w - - bm Qh3+:
MPv24:Qh3+;MPv18:Qh3+;MPv12:Qh3+;MPv6:Qh3+;MPv5:Qh3+;MPv4:Qh3+;MPv3:Qh3+;MPv2:Qh3+;MPv1:Qh3+		final ev:-0.12	solved in: 6 sec

59. HTC.105,8/1p1pNpbk/1q1P4/pP2p2K/P3N3/4P1P1/3P4/8 w - - bm Nc8:
MPv24:Nc8;MPv18:Nc8;MPv12:Ng5;MPv6:Nc8;MPv5:Ng5;MPv4:Nc8;MPv3:Nc8;MPv2:Nc8;MPv1:Nc8			final ev:10.55	solved in: 146 sec

60. HTC.108,8/2N4r/1p3pkp/8/5K1p/2P4N/P3Bn2/8 w - - bm Bh5+:
MPv24:Bh5+;MPv18:Bh5+;MPv12:Bh5+;MPv6:Bh5+;MPv5:Bh5+;MPv4:Bh5+;MPv3:Bh5+;MPv2:Bh5+;MPv1:Bh5+		final ev:8.01	solved in: 1 sec
	
61. HTC.109,8/2p1q3/p3P3/2P4p/1PBP2kP/2N3P1/7K/8 w - - bm Be2+:
MPv24:Bf1;MPv18:Bf1;MPv12:Be2+;MPv6:Be2+;MPv5:Be2+;MPv4:Be2+;MPv3:Be2+;MPv2:Be2+;MPv1:Be2+		final ev:13.18	solved in: 48 sec

62. HTC.110,8/2pN1k2/p4p1p/Pn1R4/3b4/6Pp/1P3K1P/8 w - - bm Ke1:
MPv24:Ke1;MPv18:Ke1;MPv12:Ke1;MPv6:Ke1;MPv5:Ke1;MPv4:Ke1;MPv3:Ke1;MPv2:Ke1;MPv1:Ke1			final ev:0.93	solved in: 4 sec

63. HTC.113,8/3P3k/n2K3p/2p3n1/1b4N1/2p1p1P1/8/3B4 w - - bm Nf6+:
MPv24:d8Q;MPv18:d8Q;MPv12:d8Q;MPv6:d8Q;MPv5:d8Q;MPv4:d8Q;MPv3:d8Q;MPv2:d8Q;MPv1:Nxe3			final ev:-4.98	not solved
<one of the most amazing studies i have ever noticed, a brilliancy for sure...""easy"", clean, no compromise, im gonna loose but wait,there might be a trick, perfect>

64. HTC.114,8/3ppp1p/3P4/4N3/8/3n1pKp/8/7k w - - bm Nxd3:
MPv24:Nxd3;MPv18:dxe7;MPv12:dxe7;MPv6:dxe7;MPv5:Nxd3;MPv4:dxe7;MPv3:Nxd3;MPv2:Nxd3;MPv1:Nxd3		final ev:#26	solved in: 164 sec

65. HTC.116,8/4nk2/1p3p2/1r1p2pp/1P1R1N1P/6P1/3KPP2/8 w - - bm Nd3:
MPv24:Nxh5;MPv18:Nd3;MPv12:Nd3;MPv6:Nd3;MPv5:Nd3;MPv4:Nd3;MPv3:Nd3;MPv2:Nd3;MPv1:Nd3			final ev:5.67	solved in: 38 sec

66. HTC.117,8/4nk2/1p3p2/2rp2pp/1P1R1N1P/6P1/3KPP2/8 b - - am Rb5?:
MPv24:Rb5?;MPv18:Rb5?;MPv12:Rb5?;MPv6:Rb5?;MPv5:Rb5?;MPv4:Rb5?;MPv3:Rb5?;MPv2:Rb5?;MPv1:Rb5?		final ev:0.00	not solved

67. HTC.119,8/5p2/N1p3p1/3pP1P1/7P/2kP4/Pb6/7K w - - bm h5:
MPv24:a4;MPv18:a4;MPv12:a4;MPv6:h5;MPv5:h5;MPv4:h5;MPv3:h5;MPv2:h5;MPv1:h5				final ev:6.52	solved in: 71 sec

68. HTC.121,8/6pp/1K6/N5P1/3N4/8/npn1P3/k7 w - - bm Nab3+:
MPv24:Nab3+;MPv18:Nab3+;MPv12:Nab3+;MPv6:Nab3+;MPv5:Nab3+;MPv4:Nab3+;MPv3:Nab3+;MPv2:Nab3+;MPv1:Nab3+	final ev:#26	solved in: 1 sec

69. HTC.122,8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - bm Bh3:
MPv24:Bh3;MPv18:Bh3;MPv12:Bh3;MPv6:Bh3;MPv5:Bh3;MPv4:Bh3;MPv3:Bh3;MPv2:Bh3;MPv1:Bh3			final ev:10.33	solved in: 1 sec

70. HTC.125,8/8/p2k1p2/1p1p3p/1P1P3p/P3NPP1/5K2/1b6 w - - bm Ng2:
MPv24:Ng2;MPv18:Ng2;MPv12:Ng2;MPv6:Ng2;MPv5:Ng2;MPv4:Ng2;MPv3:Ng2;MPv2:Ng2;MPv1:Ng2			final ev:4.51	solved in: 20 sec

71. HTC.126,8/bp4Pk/4KB2/R6p/2pNp1P1/p7/3p1Pnq/2r5 w - - bm Nc6:
MPv24:g8R;MPv18:Rd5;MPv12:f4;MPv6:Nc6;MPv5:Nc6;MPv4:Nc6;MPv3:Nc6;MPv2:Nc6;MPv1:Nc6			final ev:#26	solved in: 81 sec

72. HTC.127,8/p3N3/1n3N2/2n3pP/pkP5/8/3P4/K7 b - - bm Nxc4:
MPv24:Nxc4;MPv18:Nxc4;MPv12:Nxc4;MPv6:Nxc4;MPv5:Nxc4;MPv4:Nxc4;MPv3:Nxc4;MPv2:Nxc4;MPv1:Nxc4		final ev:0.00	solved in: 1 sec

73. HTC.129,8/p7/qkpN1p2/8/1B1P4/PP3K2/5P2/8 w - - bm Ba5+:
MPv24:Ba5+;MPv18:Ba5+;MPv12:Ba5+;MPv6:Ba5+;MPv5:Ba5+;MPv4:Ba5+;MPv3:Ba5+;MPv2:Ba5+;MPv1:Ba5+		final ev:13.59	solved in: 4 sec

74. HTC.130,N7/8/2KQ2rp/6k1/3p3p/2p4P/4PP2/5N2 w - - bm f4+:
MPv24:Nh2;MPv18:Nh2;MPv12:Nh2;MPv6:f4+;MPv5:f4+;MPv4:f4+;MPv3:f4+;MPv2:f4+;MPv1:f4+			final ev:0.00	solved in: 70 sec

75. HTC.131,Nq3n1k/8/P1p2Npp/2Kp3R/pp6/n3p3/8/4Q3 w - - bm Nc7:
MPv24:Rxh6;MPv18:Nc7;MPv12:Rxh6;MPv6:Rxh6;MPv5:Rxh6;MPv4:Rxh6;MPv3:Rxh6;MPv2:Nc7;MPv1:Nc7		final ev:10.36	solved in: 187 sec

76. HTC.132,br1r2k1/5pp1/R6p/2pN4/P1P1q3/2P1p1P1/P3P2P/3RQ1K1 b - - bm Qxc4:
MPv24:Qxc4;MPv18:Qxc4;MPv12:Qxc4;MPv6:Qxc4;MPv5:Qxc4;MPv4:Qxc4;MPv3:Qxc4;MPv2:Qxc4;MPv1:Qxc4		final ev:8.14	solved in: 4 sec

77. HTC.133,k7/p1pR4/1p3p2/2P2rpB/PbP4p/2N1p2p/KP6/8 w - - bm Bf3+:
MPv24:Bf3+;MPv18:Bf3+;MPv12:Bf3+;MPv6:Bf3+;MPv5:Bf3+;MPv4:Bf3+;MPv3:Bf3+;MPv2:Bf3+;MPv1:Bf3+		final ev:#19	solved in: 2 sec

78. HTC.135,n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - bm Bc7:
MPv24:Bc7;MPv18:Bc7;MPv12:Bc7;MPv6:Bc7;MPv5:Bc7;MPv4:Bc7;MPv3:Bc7;MPv2:Bc7;MPv1:Bc7			final ev:#12	solved in: 1 sec

79. HTC.140,q7/7R/k7/1p6/1p6/1P2B3/7K/8 w - - bm Bd4:
MPv24:Rd7;MPv18:Rd7;MPv12:Rd7;MPv6:Bd4;MPv5:Rd7;MPv4:Rd7;MPv3:Rd7;MPv2:Bd4;MPv1:Bd4			final ev:68.52	solved in: 176 sec

80. HTC.144,r1b1qk1r/pn3pp1/1p2p3/3pP1Bp/1bPN4/4Q1R1/P2N1PP1/R5K1 w - - bm Bf6:
MPv24:Nc6;MPv18:Nc6;MPv12:Nc6;MPv6:Nc6;MPv5:Nc6;MPv4:Nc6;MPv3:Nc6;MPv2:Nc6;MPv1:Nc6			final ev:3.23	solved in: 81 sec

81. HTC.146,r1b1qr1k/2p3pp/4p3/1pb1PpN1/pn3N1P/8/PPP1QPP1/2KR3R w - - bm Rd8:
MPv24:Rd8;MPv18:Rd8;MPv12:Rd8;MPv6:Rd8;MPv5:Rd8;MPv4:Rd8;MPv3:Rd8;MPv2:Rd8;MPv1:Rd8			final ev:10.07	solved in: 1 sec

82. HTC.147,r1b1qr1k/2p3pp/4p3/1pb1PpN1/pn3N1P/P7/1PP1QPP1/2KR3R w - - bm Rd8:
MPv24:Rd8;MPv18:Rd8;MPv12:Rd8;MPv6:Rd8;MPv5:Rd8;MPv4:Rd8;MPv3:Rd8;MPv2:Rd8;MPv1:Rd8			final ev:11.76	solved in: 2 sec

83. HTC.153,r1b2rk1/pp3ppp/1n2p3/3pP3/2P2B2/b1PB1qP1/P1Q1NP1P/1K1R3R w - - bm Nd4:
MPv24:cxd5;MPv18:Bxh7+;MPv12:Bxh7+;MPv6:Nd4;MPv5:Nd4;MPv4:Nd4;MPv3:Nd4;MPv2:Nd4;MPv1:Nd4		final ev:3.20	solved in: 75 sec

84. HTC.155,r1b3k1/ppp1q1pp/2n1p3/3pP2P/8/2NB2Q1/PPP3P1/2K2R2 w - - bm Bg6:
MPv24:Bg6;MPv18:Bg6;MPv12:Bg6;MPv6:Bg6;MPv5:Bg6;MPv4:Bg6;MPv3:Bg6;MPv2:Bg6;MPv1:Bg6			final ev:3.63	solved in: 1 sec

85. HTC.156,r1b3k1/ppppn1pp/4n1q1/8/5P2/2N1B3/PPP3QP/3R1RK1 w - - bm f5:
MPv24:Qxg6;MPv18:Qxg6;MPv12:Qxg6;MPv6:Qxg6;MPv5:Qxg6;MPv4:Qxg6;MPv3:Qxg6;MPv2:Qxg6;MPv1:Qxg6		final ev:0.88	not solved

86. HTC.158,r1bq1b1r/pp1pp1pp/2n1k3/8/4nQ2/N1p1BN1P/PP3PP1/R3K2R w KQ - bm Nb5:
MPv24:Nb5;MPv18:Nb5;MPv12:Nb5;MPv6:Nb5;MPv5:Nb5;MPv4:Nb5;MPv3:Nb5;MPv2:Nb5;MPv1:Nb5			final ev:4.05	solved in: 2 sec

87. HTC.159,r1bq1rk1/1p1nbppp/p3p3/2ppP3/5B1P/2PBP3/PP1N1PP1/R2QK2R w - - bm Bxh7+:
MPv24:Bxh7+;MPv18:Bxh7+;MPv12:Bxh7+;MPv6:Bxh7+;MPv5:Bxh7+;MPv4:Bxh7+;MPv3:Bxh7+;MPv2:Bxh7+;MPv1:Bxh7+	final ev:3.67	solved in: 41 sec

88. HTC.160,r1bq1rk1/pp2b2p/2p1pppQ/8/1n1PN2P/3B1N2/PPP2PP1/2KR3R w - - bm Neg5:
MPv24:Neg5;MPv18:Neg5;MPv12:Neg5;MPv6:Neg5;MPv5:Neg5;MPv4:Neg5;MPv3:Neg5;MPv2:Neg5;MPv1:Neg5		final ev:3.22	solved in: 5 sec

89. HTC.164,r1br2k1/1p1nqppp/p1p1pn2/3p4/1bPP4/PPN1PN2/2BB1PPP/R2Q1RK1 b - - am Bxa3?;
MPv24:Bxa3?;MPv18:Bxa3?;MPv12:Bxa3?;MPv6:Bxa3?;MPv5:Bxa3?;MPv4:Bxa3?;MPv3:Bd6;MPv2:Bd6;MPv1:Bd6		final ev:-0.25	solved in: 122 sec

90. HTC.166,r1n2N1k/2n2K1p/3pp3/5Pp1/b5R1/8/1PPP4/8 w - - bm Ng6+:
MPv24:Ng6+;MPv18:Ng6+;MPv12:Ng6+;MPv6:Ng6+;MPv5:Ng6+;MPv4:Ng6+;MPv3:Ng6+;MPv2:Ng6+;MPv1:Ng6+		final ev:0.00	solved in: 1 sec

91. HTC.169,r1qn1rk1/p1pp1ppp/1p2p2b/1P2P3/P7/R2B1N2/1P4PP/3Q1R1K w - - bm Bxh7+:
MPv24:Qe1;MPv18:Qe1;MPv12:Bxh7+;MPv6:Bxh7+;MPv5:Bxh7+;MPv4:Bxh7+;MPv3:Bxh7+;MPv2:Bxh7+;MPv1:Bxh7+	final ev:11.01	solved in: 41 sec

92. HTC.170,r2q1r2/1b2bpkp/n3p1p1/2ppP1P1/p6R/1PN1BQR1/NPP2P1P/4K3 w - - bm Qf6+:
MPv24:bxa4;MPv18:bxa4;MPv12:Qf6+;MPv6:Qf6+;MPv5:Qf6+;MPv4:Qf6+;MPv3:Qf6+;MPv2:Qf6+;MPv1:Qf6+		final ev:6.97	solved in: 71 sec

93. HTC.171,r2q1r2/1b2bpkp/p3p1p1/2ppP1P1/7R/1PN1BQR1/1PP2P1P/4K3 w - - bm Qf6+:
MPv24:Qf6+;MPv18:Qf6+;MPv12:Qf6+;MPv6:Qf6+;MPv5:Qf6+;MPv4:Qf6+;MPv3:Qf6+;MPv2:Qf6+;MPv1:Qf6+		final ev:9.45	solved in: 11 sec

94. HTC.177,r2qrbk1/1b3p2/3p2pB/1p1P1N2/1np1P3/5NRP/1P3PP1/1B1Qn1K1 w - - bm N3h4:
MPv24:N3h4;MPv18:N3h4;MPv12:N3h4;MPv6:N3h4;MPv5:N3h4;MPv4:N3h4;MPv3:N3h4;MPv2:N3h4;MPv1:N3h4		final ev:5.48	solved in: 10 sec

95. HTC.179,r2r2k1/pqp1bppp/1pn1pn2/8/2NP1B2/2N1P1P1/PPQ2P1P/R4RK1 b - - bm Rxd4:
MPv24:Rac8;MPv18:Nc6;MPv12:Nc6;MPv6:Nc6;MPv5:Nc6;MPv4:Nc6;MPv3:Nc6;MPv2:Nc6;MPv1:Nc6			final ev:1.30	solved in: 27 sec

96. HTC.181,r3kb1r/4Pp2/pn3P2/1pp3B1/2p5/2N3P1/PP3P1P/3RKB1b w - - bm h4:
MPv24:h4;MPv18:h4;MPv12:h4;MPv6:h4;MPv5:h4;MPv4:h4;MPv3:h4;MPv2:h4;MPv1:h4				final ev:0.65	solved in: 1 sec

97. HTC.182,r3r1k1/1b1n1pbp/pq1p2p1/1pp1P3/3P1B2/nP1B1NNP/P4PP1/R2QR1K1 w - - bm Nh5:
MPv24:Nh5;MPv18:Nh5;MPv12:Nh5;MPv6:Nh5;MPv5:Nh5;MPv4:Nh5;MPv3:Nh5;MPv2:Nh5;MPv1:Nh5			final ev:2.21	solved in: 47 sec

98. HTC.183,r3r1k1/1b1nbp1p/1qn1p3/1p1pPp2/p2P4/P2BNN2/1P1Q1BPP/R4RK1 w - - bm Ng4:
MPv24:Ng4;MPv18:Ng4;MPv12:Ng4;MPv6:Ng4;MPv5:Ng4;MPv4:Ng4;MPv3:Ng4;MPv2:Ng4;MPv1:Ng4			final ev:5.11	solved in: 14 sec

99. HTC.184,r3r1k1/pp1q1p2/2p2npb/PPPp1bnp/3PpN2/2N1P1PP/1R1B1PBK/3Q1R2 b - - bm Bg4:
MPv24:a6;MPv18:a6;MPv12:a6;MPv6:Bg4;MPv5:Bg4;MPv4:Bg4;MPv3:a6;MPv2:a6;MPv1:Bg4				final ev:1.91	solved in: 242 sec

100. HTC.185,r3r1k1/pp1q1p2/2p2npb/PPPp4/3Pp3/2NNPpP1/1R1B1P1K/3Q3R b - - bm Kg7:
MPv24:Nc6;MPv18:Nc6;MPv12:Nc6;MPv6:Nc6;MPv5:Nc6;MPv4:Nc6;MPv3:Nc6;MPv2:Nc6;MPv1:Nc6			final ev:4.62	solved in: 153 sec

101. HTC.186,r3r2k/1pq2pp1/4b2p/3pP3/p1nB3P/P2B1RQ1/1PP3P1/3R3K w - - bm Rf6:
MPv24:Rf6;MPv18:Rf6;MPv12:Rf6;MPv6:Rf6;MPv5:Rf6;MPv4:Rf6;MPv3:Rf6;MPv2:Rf6;MPv1:Rf6			final ev:8.56	solved in: 1 sec

102. HTC.190,r4rk1/1bq1bppp/p1npp3/2nB1NP1/1p2P3/2N1B3/PPP1QP1P/2KR2R1 w - - bm Qh5:
MPv24:Qh5;MPv18:Qh5;MPv12:Qh5;MPv6:Qh5;MPv5:Qh5;MPv4:Qh5;MPv3:Qh5;MPv2:Qh5;MPv1:Qh5			final ev:5.40	solved in: 3 sec

103. HTC.191,r4rk1/4bppp/bq2p3/npnpP3/p2B1P2/P1PB1N2/1P2QNPP/R4RK1 w - - bm Bxh7+:
MPv24:Bxh7+;MPv18:Bxh7+;MPv12:Bxh7+;MPv6:Bxh7+;MPv5:Bxh7+;MPv4:Bxh7+;MPv3:Bxh7+;MPv2:Bxh7+;MPv1:Bxh7+	final ev:6.46	solved in: 1 sec

104. HTC.194,r5k1/6b1/2Nq4/2pP1p2/p1P1pPr1/Pp6/3R2PQ/1K3R2 b - - bm e3:
MPv24:e3;MPv18:e3;MPv12:e3;MPv6:e3;MPv5:e3;MPv4:e3;MPv3:e3;MPv2:e3;MPv1:e3				final ev:8.63	solved in: 20 sec

105. HTC.195,r5k1/p1pb2bp/3p3r/P1pPp1p1/2B1Pq2/1R2QPp1/1P4PP/5RBK b - - bm Rxh2+:
MPv24:Rxh2+;MPv18:Rxh2+;MPv12:Rxh2+;MPv6:Rxh2+;MPv5:Rxh2+;MPv4:Rxh2+;MPv3:Rxh2+;MPv2:Rxh2+;MPv1:Rxh2+	final ev:11.93	solved in: 19 sec

106. HTC.196,r5rk/1bq1bpp1/1p1ppn1p/pP5P/2P1P3/P1N2P2/1B1Q1P2/1K1R1BR1 w - - bm Nd5:
MPv24:Qe3;MPv18:Bd3;MPv12:Be2;MPv6:Bd3;MPv5:Bd3;MPv4:Qe3;MPv3:Bd3;MPv2:Nd5;MPv1:Nd5			final ev:4.08	solved in: 156 sec

107. HTC.198,r7/1QP1N1Kp/pn2P1b1/Nnk2p2/7p/p4BP1/1rPPp2q/8 w - - bm Nd5:
MPv24:Nd5;MPv18:Nd5;MPv12:Nd5;MPv6:Nd5;MPv5:Nd5;MPv4:Nd5;MPv3:Nd5;MPv2:Nd5;MPv1:Nd5			final ev:#13	solved in: 43 sec

108. HTC.200,r7/1q1r1p1k/3p1Qpp/pbpP4/1nB1P1P1/1P3NBP/5P1K/4R3 w - - bm Bf4:
MPv24:Bf4;MPv18:Bf4;MPv12:Bf4;MPv6:Bf4;MPv5:Bf4;MPv4:Bf4;MPv3:Bf4;MPv2:Bf4;MPv1:Bf4			final ev:8.55	solved in: 3 sec

109. HTC.203,rn2kr2/1pp1b1p1/4p3/1Pp1P2p/p1P1NP1P/P7/1B4P1/3RR1K1 w - - bm g3:
MPv24:Bc1;MPv18:b6;MPv12:g3;MPv6:g3;MPv5:g3;MPv4:g3;MPv3:g3;MPv2:g3;MPv1:g3				final ev:0.62	solved in: 50 sec

110. HTC.208,rnb2rk1/1pq1bppp/p3p3/2npP1P1/3N1P2/2NBB3/PPP4P/R2QK2R w KQ - bm Bxh7+:
MPv24:Bxh7+;MPv18:Bxh7+;MPv12:Bxh7+;MPv6:Bxh7+;MPv5:Bxh7+;MPv4:Bxh7+;MPv3:Bxh7+;MPv2:Bxh7+;MPv1:Bxh7+	final ev:3.06	solved in: 8 sec

111. HTC.209,rnbq1rk1/p3bp2/2p1p1p1/1p1nP1P1/2pP1P2/2N5/PP4P1/RBBQK2R w KQ - bm Bd2:
MPv24:Bd2;MPv18:Bd2;MPv12:Bd2;MPv6:Bd2;MPv5:Bd2;MPv4:Bd2;MPv3:Bd2;MPv2:Bd2;MPv1:Bd2			final ev:2.85	solved in: 1 sec

112. HTC.210,rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - bm Qh5+:
MPv24:Qh5+;MPv18:Qh5+;MPv12:Qh5+;MPv6:Qh5+;MPv5:Qh5+;MPv4:Qh5+;MPv3:Qh5+;MPv2:Qh5+;MPv1:Qh5+		final ev:#8	solved in: 1 sec

113. HTC.211,rnbqk2r/p4p2/2p1p3/1p2N1pp/PbpPn2P/2N1P1B1/1P3PP1/R2QKB1R w KQkq - bm Qf3:
MPv24:Be2;MPv18:Be2;MPv12:Be2;MPv6:Be2;MPv5:Be2;MPv4:Qf3;MPv3:Qf3;MPv2:Qf3;MPv1:Qf3			final ev:3.47	solved in: 121 sec

114. HTC.213,rqn2rk1/1p2ppb1/p1b3pp/2R1P1N1/8/4BB1Q/3R1PPP/6K1 w - - bm Nxf7:
MPv24:Ne6;MPv18:Ne6;MPv12:Ne6;MPv6:Nxf7;MPv5:Nxf7;MPv4:Nxf7;MPv3:Nxf7;MPv2:Nxf7;MPv1:Nxf7		final ev:7.16	solved in: 79 sec

103 solved out of 114

average solving-time:41,79 sec (* 6 cores = around 4 min simulated for 1 core roughly)
success-rate: MPv24:52.4% ;MPv18:6.8% ;MPv12:8.7% ;MPv6:10.7% ;MPv5:5.8% ;MPv4:2% ;MPv3:3.9% ;MPv2:3.9% ;MPv1:5.8% (out of 103 solved positions)

85. c8=N was weired...cfish gave 10++ for c8=N when found until MPv=2 and then at MPv=1 it switched back to Kg2? for milliseconds...so: bad solution-time here (90 sec elsewise)

100. HTC.185,r3r1k1/pp1q1p2/2p2npb/PPPp4/3Pp3/2NNPpP1/1R1B1P1K/3Q3R b - - bm Kg7 i would put in question as a good testposition momentarily as Ng4+ seems not significantly worse if not even a dual..if there was made a deeper search that proofs Kg7 clearly best here are my appologizes

the positions that were not solved:

as this was my 1st attempt with AMiE i was not sure what a good time-ratio between "presearches" and MPv=1-search would be...so i chose 30 sec for the "presearches" instead of 20 sec and 2 more positions were solved:
30sec pre and 180sec MPv=1:

19. HTC.034,2b1rk2/5p2/p1P5/2p2P2/2p5/7B/P7/2KR4 w - - bm f6:
MPv24:c7;MPv18:c7;MPv12:c7;MPv6:Bg2;MPv5:Rd7;MPv4:f6;MPv3:f6;MPv2:f6;MPv1:f6 final ev:12.56 solved in: 180 sec (MPv=4)

85. HTC.156,r1b3k1/ppppn1pp/4n1q1/8/5P2/2N1B3/PPP3QP/3R1RK1 w - - bm f5:
MPv24:Qxg6;MPv18:Ne4;MPv12:Qxg6;MPv6:Qxg6;MPv5:Qxg6;MPv4:Qxg6;MPv3:f5;MPv2:f5;MPv1:f5 final ev:3.60 solved in: 202 sec (MPv=3)

with 90 sec "presearches" 2 further positions were solved:
90sec pre and 180sec MPv=1:

38. HTC.067,4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - - bm f4:
MPv24:Be4;MPv18:Bf5;MPv12:a4;MPv6:Bd3;MPv5:a3;MPv4:a3;MPv3:a3;MPv2:f4;MPv1:f4 final ev:5.94 solved in: 664 sec (MPv=2)

66. HTC.117,8/4nk2/1p3p2/2rp2pp/1P1R1N1P/6P1/3KPP2/8 b - - am Rb5?:
MPv24:Rb5;MPv18:Rb5;MPv12:Rb5;MPv6:Rb5;MPv5:Rb5;MPv4:Rb5;MPv3:Rb5;MPv2:Rb5;MPv1:Rc4 final ev:-0.10 solved in: 767 sec (MPv=1)

my last try with 600 sec "presearches" gave this (here i began to loose my patience and gave the MPv=1 search only 600 sec too, which was definately not a good choice, 1h would have been a better choice imo)
600sec pre and 600sec MPv=1:

22. HTC.038,2bqrr1k/p5b1/1p1p2pp/nPpBp3/P1P1N2P/3PN1P1/R4P1K/3Q1R2 w - - bm Nc3:
MPv24:Nc3;MPv18:Kg2;MPv12:h5;MPv6:h5;MPv5:Nc3;MPv4:Nc3;MPv3:Nc3;MPv2:Nc3;MPv1:Nc3 final ev:3.77 solved in: 50 min exactely due to "Zugzwang"

(MPv=5)
51/60 07:17 6.173.371k 14.097k +3,72 Se4-c3 Dd8-d7 Ld5-e4 Te8-e6 f2-f3 d6-d5 Sc3xd5 Te6-d6 Ta2-g2 Dd7-e6 g3-g4 Lc8-b7 Kh2-g1 Td6-d8 h4-h5 g6-g5 Tg2-a2 De6-d6 Kg1-g2 Tf8-f7 Ta2-e2 Td8-f8 Te2-e1 Tf8-d8 Tf1-f2 Dd6-d7 Dd1-c2 Tf7-f8 Tf2-e2 Tf8-f7 Le4-g6 Tf7-f8 Dc2-d1 Dd7-d6 Lg6-f5 Tf8-f7 Te1-f1 Tf7-f8 Lf5-e4 Dd6-d7 Tf1-e1 Tf8-f7 Le4-g6 Tf7-f8 Dd1-c2 Dd7-e6 Lg6-e4 De6-d7 Se3-f5 Lb7xd5 Le4xd5 Tf8xf5 g4xf5 Dd7xf5 Te2-e4 Td8-f8 Dc2-e2
(2nd best was stuck at 2.92 for about 1h)

31. HTC.054,3B4/1r2p3/r2p1p2/bkp1P1p1/1p1P1PPp/p1P1K2P/PPB5/8 w - - bm Ba4+:
MPv24:Ba4;MPv18:Ba4;MPv12:x;MPv6:x;MPv5:x;MPv4:x;MPv3:x;MPv2:x;MPv1:x final ev:-10.21 "solved" in: 474 sec (MPv=24)
i did a verification search with MPv=18 and Ba4+ was given as best for 10 min...aborted because i consider this as solved, the position is just too boring and i didnt want to spend more than a further hour on this
the PV given after 474 sec with MPv=24 already: Lc2-a4+ Kb5xa4 b2-b3+ Ka4-b5 c3-c4+ Kb5-c6 d4-d5+ Kc6-d7 e5-e6+ Kd7-c8 f4-f5 La5xd8 Ke3-e4 Ld8-b6 Ke4-d3 Ta6-a8 Kd3-c2 Tb7-a7 Kc2-d2 Kc8-b7 Kd2-d1 Ta8-b8 Kd1-d2 Ta7-a5 Kd2-e1 Lb6-d8 Ke1-d2 Ta5-a8 Kd2-c2 Kb7-c7 Kc2-d2 Tb8-b7 Kd2-d3 Kc7-b8 Kd3-c2 Ta8-a7 Kc2-d3

34. HTC.059,3kB3/5K2/7p/3p4/3pn3/4NN2/8/1b4B1 w - - bm Nf5:
MPv24:Kf8;MPv18:Nf5;MPv12:Nf5;MPv6:Nf5;MPv5:Nf5;MPv4:Nf5;MPv3:Nf5;MPv2:Nf5;MPv1:Kf8 final ev:0.71 not solved within 90 min by using AMiE
this came as a "pure" surprise to me: this position shows the downside of the "pure NNUE"-mode while "hybrid" has fairly few problems with this the pure-mode is completely cursed with blindness here
a nice little gem and even "hybrid" needs some time to get the trick (best seems "classical" here)

40. HTC.069,4R3/P7/2bB2p1/r3pk2/2p2p1P/2P2P1K/6P1/8 w - - bm Rxe5+:
MPv24:Rxe5+;MPv18:Rxe5+;MPv12:Rxe5+;MPv6:Rxe5+;MPv5:Rxe5+;MPv4:Rxe5+;MPv3:Rxe5+;MPv2:Rxe5+;MPv1:Rxe5+ final ev:10.21 solved in: 32 min 59 sec (MPv=6)
also a surprise to me that it took so much time for cfish-pure, probably "hybrid" is again the better choice but i didnt check

51. HTC.093 was the only position where i used 1200 sec for the MPv=1 search (i knew it will get hard probably) but 1h would have been better imo...the problem oc follows instantly:

51. HTC.093,6k1/1qr1p2p/ppN5/3p1N2/6p1/1P1P2Pp/PP2PP1P/2RK4 w - - bm Ncxe7+:
MPv24:Rc3;MPv18:Rc3;MPv12:b4;MPv6:b4;MPv5:b4;MPv4:b4;MPv3:b4;MPv2:b4;MPv1:Ncxe7+ final ev:-8.99 not solved within 100 min by using AMiE
after exactely 100 minutes the search was abborted due to the time control and cfish-"pure" switched from b4 to Ncxe7+ giving no PV...a drop of about 20 cp compared to b4...
i consider this as pure luck and declare the position as unsolved...maybe the hardest nut to crack in HTC114 without fortress detection imo but i did not investigate here

53. HTC.095,6k1/p7/8/4B3/Pp3p1P/qP5P/P1Rb2K1/8 w - - bm Kf3:
MPv24:Rxd2;MPv18:Rxd2;MPv12:Rxd2;MPv6:Rxd2;MPv5:Rxd2;MPv4:Rxd2;MPv3:Rxd2;MPv2:Kf3;MPv1:Kf3 final ev:10.95 solved in: 72 min 31 sec (MPv=2)
the most disappointing result from my pov (together with 34. HTC.059,3kB3/5K2/7p/3p4/3pn3/4NN2/8/1b4B1 w - - bm Nf5)..."classical" is significantly faster here...
it seems that in some engame positions "pure"-NNUE is just very poor in comparison to "classical" !?

63. HTC.113,8/3P3k/n2K3p/2p3n1/1b4N1/2p1p1P1/8/3B4 w - - bm Nf6+:
MPv24:Nf6+;MPv18:Nf6+;MPv12:Nf6+;MPv6:Nf6+;MPv5:Nf6+;MPv4:Nf6+;MPv3:Nf6+;MPv2:Nf6+;MPv1:Nf6+ final ev:13.98 solved in: 275 sec (MPv=24)

...so only 2 position could resist my hardest effort

im not a programmer but if this method could get integrated into an engine then this would produce probably the strongest testposition-solver around here especially when using an engine that might be better suited for solving complex puzzles than cfish...like Crystal maybe
but maybe its a GUI problem or an UCI problem idk but it would probably very effective in solving positions like these within a short amount of time beeing necessary !?

an excellent testsuite, thank you Vinvin !
have a nice day, stay healty,
Peer

2.cfish "Pure" is: go into uci-settings choose "Use NNUE"=pure
3.np check it by yourself and u will see....things make sense when tested

4.correct but this "Use NNUE" option is not integrated into SF
5. maybe it makes no sense but it is as it is

happy greatings Dann

Whither g4? SF turns up her fishy nose.

Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.

Re: Whither g4? SF turns up her fishy nose.