BackwardPawns vs master diff

Details

id5c7aee7d0ebc5925cffdb802
new_tagBackwardPawns (+/- (2, 4) if we can push the pawn)
new_signature3470019
new_optionsHash=8
resolved_new19d71fa8eaac86aed01387a7b0d5b62df15adaec
base_tagmaster (Remove skipQuiets with mate fix. (#2021))
base_signature3292342
base_optionsHash=8
resolved_base82ff04b992a53c757519a6ff61576ebd267c0cee
sprtelo0: 0.50 alpha: 0.05 elo1: 4.50 beta: 0.05 state: rejected
num_games250000
tc10+0.1
threads1
book2moves_v1.pgn
book_depth8
auto_purgeTrue
priority0
internal_priority-1551597817.0
usernameMJZ1977
tests_repohttps://github.com/MJZ1977/Stockfish
infoTrying to improve the evaluation of backward pawns. Less penality if we can push the pawn & the opposite +/- (2 , 4)

Actions



Stats

chi^2279.01
dof272
p-value37.21%

Time

start time2019-03-02 20:58:37
last updated2019-03-02 21:26:31

Tasks (0 active workers with 0 cores)

Idx Worker Info Last Updated Played Wins Losses Draws Crashes Time Residual
0 ChessDBCN-8cores-1123644 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:22:05 250 / 250 51 58 141 0 0 0.507
1 ChessDBCN-8cores-1123645 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:20:43 250 / 250 42 54 154 0 0 1.894
2 ChessDBCN-8cores-1123646 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:20:02 250 / 250 50 74 126 0 0 2.959
3 ChessDBCN-8cores-1123647 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:22:03 250 / 250 67 49 134 0 0 1.960
4 ChessDBCN-8cores-1123648 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:20:17 250 / 250 48 55 147 0 0 0.969
5 ChessDBCN-8cores-1123649 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:24:31 250 / 250 60 46 144 0 0 1.345
6 ChessDBCN-8cores-1123650 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:21:12 250 / 250 50 58 142 0 0 0.661
7 dew-18cores-261 Linux 3.12.13-gentoo 2019-03-02 21:14:36 250 / 250 47 55 148 0 0 1.123
8 ChessDBCN-8cores-1123651 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:21:23 250 / 250 51 50 149 0 0 1.030
9 ChessDBCN-8cores-1123652 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:23:22 250 / 250 47 53 150 0 0 1.158
10 leszek-7cores-2404 Windows 7 2019-03-02 21:26:14 165 / 250 33 35 97 0 0 0.624
11 ChessDBCN-8cores-1123653 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:21:38 250 / 250 57 64 129 0 0 1.534
12 ChessDBCN-8cores-1123654 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:21:46 250 / 250 54 55 141 0 0 0.044
13 ChessDBCN-8cores-1123655 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:22:26 250 / 250 54 48 148 0 0 1.037
14 mgrabiak-3cores-1042 Windows 10 2019-03-02 21:26:19 139 / 250 35 29 75 0 0 0.994
15 mhoram-3cores-330 Linux 4.9.0-8-amd64 2019-03-02 21:26:28 164 / 250 29 39 96 0 0 1.256
16 nordlandia-1cores-1200 Windows 10 2019-03-02 21:26:27 40 / 250 8 9 23 0 0 0.263
17 jbwiebe-3cores-157 Linux 4.9.0-8-amd64 2019-03-02 21:26:23 147 / 250 31 27 89 0 0 1.039
18 gvreuls-4cores-509 Linux 4.20.11-200.fc29.x86_64 2019-03-02 21:26:08 96 / 250 27 19 50 0 0 1.526
19 SFTUser-2cores-90 Windows 10 2019-03-02 21:26:26 97 / 250 31 26 40 0 0 3.015
20 robal-5cores-289 Darwin 18.2.0 2019-03-02 21:25:16 250 / 250 48 50 152 0 0 1.415
21 OuaisBla-2cores-5 Windows 10 2019-03-02 21:26:27 85 / 250 18 21 46 0 0 0.627
22 pb00067-2cores-681 Windows 10 2019-03-02 21:26:27 107 / 250 26 32 49 0 0 2.214
23 ElbertoOne-6cores-709 Windows 10 2019-03-02 21:26:30 250 / 250 62 45 143 0 0 1.499
24 jmdana-3cores-54 Linux 4.9.0-8-amd64 2019-03-02 21:26:27 177 / 250 33 29 115 0 0 2.312
25 bcross-15cores-1771 Windows 10 2019-03-02 21:15:40 250 / 250 59 58 133 0 0 1.021
26 davar-3cores-303 Windows 8.1 2019-03-02 21:26:27 141 / 250 34 33 74 0 0 0.937
27 velislav-3cores-620 Linux 4.15.0-45-generic 2019-03-02 21:26:23 158 / 250 27 35 96 0 0 1.415
28 manap-7cores-14 Windows 10 2019-03-02 21:26:26 188 / 250 33 43 112 0 0 1.389
29 fkraiem-1cores-5 Linux 4.18.0-15-generic 2019-03-02 21:26:08 25 / 250 4 3 18 0 0 1.575
30 robal-2cores-286 Windows 10 2019-03-02 21:26:20 121 / 250 23 30 68 0 0 0.772
31 tvijlbrief-7cores-373 Linux 4.15.0-45-generic 2019-03-02 21:19:25 250 / 250 60 64 126 0 0 1.918
32 gri-1cores-24 Linux 4.9.0-8-amd64 2019-03-02 21:26:21 54 / 250 13 7 34 0 0 1.590
33 dew-3cores-256 Linux 3.12.13-gentoo 2019-03-02 21:26:08 81 / 250 16 16 49 0 0 0.747
34 xoto-12cores-452 Linux 4.13.0-38-generic 2019-03-02 21:20:31 250 / 250 64 49 137 0 0 1.498
35 MaZePallas-4cores-37 Linux 4.20.10-200.fc29.x86_64 2019-03-02 21:26:26 117 / 250 19 35 63 0 0 2.101
36 dew-14cores-274 Linux 4.8.17-hardened-r2 2019-03-02 21:22:51 250 / 250 59 46 145 0 0 1.345
37 agg177-2cores-18 Windows 7 2019-03-02 21:26:28 121 / 250 26 30 65 0 0 0.772
38 Bobo1239-7cores-150 Linux 4.20.12-arch1-1-ARCH 2019-03-02 21:21:29 250 / 250 49 73 128 0 0 2.806
39 dew-5cores-265 Linux 4.9.0-8-amd64 2019-03-02 21:26:22 140 / 250 22 28 90 0 0 1.890
40 SFTUser-2cores-91 Windows 10 2019-03-02 21:26:24 97 / 250 20 23 54 0 0 0.432
41 dew-3cores-280 Linux 4.9.76-gentoo-r1 2019-03-02 21:26:27 81 / 250 19 13 49 0 0 1.275
42 dew-3cores-408 Linux 3.17.7-hardened-r1 2019-03-02 21:26:13 77 / 250 18 26 33 0 0 2.522
43 sunu-2cores-876 Linux 4.20.0-0.slh.1-aptosid-amd64 2019-03-02 21:26:14 63 / 250 16 10 37 0 0 1.158
44 fastgm-4cores-1939 Linux 4.4.0-17763-Microsoft 2019-03-02 21:26:30 125 / 250 29 21 75 0 0 1.382
45 manap-4cores-17 Windows 10 2019-03-02 21:26:31 153 / 250 40 31 82 0 0 1.333
46 TueRens-3cores-925 Windows 7 2019-03-02 21:26:24 164 / 250 34 39 91 0 0 0.584
47 dew-3cores-291 Linux 4.9.76-gentoo-r1 2019-03-02 21:26:17 79 / 250 20 15 44 0 0 0.778
48 Ente-5cores-272 Windows 10 2019-03-02 21:26:23 208 / 250 48 44 116 0 0 0.479
49 drabel-1cores-2347 Windows 10 2019-03-02 21:26:11 43 / 250 10 8 25 0 0 0.523
50 dew-6cores-273 Linux 4.0.5-gentoo 2019-03-02 21:26:26 163 / 250 34 34 95 0 0 0.490
51 CSU_Dynasty-31cores-1547 Windows 10 2019-03-02 21:10:16 250 / 250 56 52 142 0 0 1.366
52 dew-3cores-257 Linux 2.6.36-gentoo-r5 2019-03-02 21:26:24 88 / 250 22 16 50 0 0 0.845
53 agg177-2cores-19 Windows 10 2019-03-02 21:26:23 119 / 250 28 17 74 0 0 2.013
54 Vizvezdenec-6cores-267 Windows 10 2019-03-02 21:20:29 250 / 250 60 53 137 0 0 0.881
55 Ente-5cores-271 Linux 4.18.0-15-lowlatency 2019-03-02 21:22:54 250 / 250 64 50 136 0 0 1.498
56 dew-3cores-272 Linux 3.18.7-gentoo 2019-03-02 21:26:19 82 / 250 19 15 48 0 0 0.791
57 MaZePallas-6cores-36 Linux 4.20.7-200.fc29.x86_64 2019-03-02 21:16:27 250 / 250 61 55 134 0 0 1.035
58 dew-3cores-266 Linux 4.9.76-gentoo-r1 2019-03-02 21:25:55 78 / 250 23 12 43 0 0 1.668
59 Vizvezdenec-1cores-48 Windows 8.1 2019-03-02 21:26:21 38 / 250 7 9 22 0 0 0.493
60 0xB00B1ES-3cores-70 Windows 8.1 2019-03-02 21:26:20 83 / 250 16 23 44 0 0 1.282
61 nordlandia-3cores-1212 Windows 10 2019-03-02 21:26:26 185 / 250 43 37 105 0 0 0.627
62 agg177-1cores-16 Windows 7 2019-03-02 21:26:23 38 / 250 9 8 21 0 0 0.295
63 nordlandia-1cores-1202 Windows 10 2019-03-02 21:26:22 21 / 250 4 3 14 0 0 0.950
64 dew-3cores-263 Linux 3.2.12-gentoo 2019-03-02 21:26:16 84 / 250 13 17 54 0 0 1.463
65 nordlandia-1cores-1210 Windows 10 2019-03-02 21:26:26 37 / 250 7 7 23 0 0 0.709
66 dew-1cores-279 Linux 4.9.76-gentoo-r1 2019-03-02 21:26:30 28 / 250 9 1 18 0 0 2.346
67 gvreuls-15cores-516 Linux 4.20.12-200.fc29.x86_64 2019-03-02 21:13:03 250 / 250 53 58 139 0 0 0.500
68 agg177-1cores-13 Windows 7 2019-03-02 21:26:14 40 / 250 12 8 20 0 0 1.272
69 cuistot-2cores-46 Windows 7 2019-03-02 21:26:23 76 / 250 25 20 31 0 0 2.746
70 dew-3cores-406 Windows 2003Server 2019-03-02 21:26:01 68 / 250 14 18 36 0 0 0.913
71 ChessDBCN-8cores-1123656 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:24:15 250 / 250 63 44 143 0 0 1.652
72 dew-5cores-255 Linux 3.18.9-hardened 2019-03-02 21:26:30 126 / 250 21 33 72 0 0 1.378
73 dew-1cores-407 Windows 2003Server 2019-03-02 21:25:42 17 / 250 1 5 11 0 0 1.584
74 dew-6cores-270 Linux 4.0.5-gentoo 2019-03-02 21:26:15 146 / 250 22 41 83 0 0 1.954
75 mgrabiak-3cores-1041 Windows 7 2019-03-02 21:26:31 125 / 250 31 21 73 0 0 1.382
76 dew-6cores-268 Linux 3.8.13-gentoo 2019-03-02 21:26:27 158 / 250 35 35 88 0 0 0.175
77 mgrabiak-3cores-1038 Windows 10 2019-03-02 21:26:28 118 / 250 29 35 54 0 13 2.333
78 dew-3cores-252 Linux 4.12.12-gentoo 2019-03-02 21:26:21 62 / 250 8 13 41 0 0 1.685
79 dew-14cores-254 Linux 3.15.10-hardened-r1 2019-03-02 21:25:45 250 / 250 56 50 144 0 0 0.730
80 dew-15cores-269 Linux 4.12.12-gentoo 2019-03-02 21:19:31 250 / 250 60 51 139 0 0 0.881
81 dew-6cores-271 Linux 3.17.7-hardened-r1 2019-03-02 21:26:25 124 / 250 24 22 78 0 0 1.467
82 mgrabiak-3cores-1039 Windows 10 2019-03-02 21:26:30 112 / 250 30 26 56 0 0 1.366
83 mhoram-3cores-123 Linux 4.9.0-8-amd64 2019-03-02 21:26:09 47 / 250 9 11 27 0 0 0.427
84 ChessDBCN-8cores-1123657 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:25:00 250 / 250 52 49 149 0 0 1.030
85 ChessDBCN-8cores-1123658 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:26 247 / 250 51 51 145 0 0 0.739
86 ChessDBCN-8cores-1123659 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:24:31 250 / 250 57 47 146 0 0 1.191
87 ChessDBCN-8cores-1123660 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:13 250 / 250 61 58 131 0 0 1.277
88 ChessDBCN-8cores-1123661 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 215 / 250 48 44 123 0 0 0.511
89 ChessDBCN-8cores-1123662 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 233 / 250 57 51 125 0 0 1.023
90 ChessDBCN-8cores-1123663 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:23 250 / 250 52 65 133 0 0 1.576
91 ChessDBCN-8cores-1123664 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:23 228 / 250 42 58 128 0 0 1.298
92 ChessDBCN-8cores-1123665 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:21 226 / 250 49 49 128 0 0 0.080
93 ChessDBCN-8cores-1123666 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 244 / 250 50 61 133 0 0 1.177
94 ChessDBCN-8cores-1123667 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:20 245 / 250 61 56 128 0 0 1.314
95 ChessDBCN-8cores-1123668 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:29 224 / 250 54 49 121 0 0 0.873
96 mhoram-1cores-119 Linux 4.9.0-8-amd64 2019-03-02 21:25:45 17 / 250 3 3 11 0 0 0.692
97 ChessDBCN-8cores-1123669 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:23 239 / 250 61 63 115 0 0 2.591
98 ChessDBCN-8cores-1123670 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:29 225 / 250 52 44 129 0 0 0.854
99 ChessDBCN-8cores-1123671 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:24 215 / 250 43 45 127 0 0 0.797
100 ChessDBCN-8cores-1123672 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 220 / 250 52 53 115 0 0 1.236
101 ChessDBCN-8cores-1123673 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 239 / 250 53 45 141 0 0 1.154
102 ChessDBCN-8cores-1123674 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:29 219 / 250 53 45 121 0 0 0.897
103 ChessDBCN-8cores-1123675 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 226 / 250 48 56 122 0 0 1.051
104 CSU_Dynasty-31cores-1547 Windows 10 2019-03-02 21:16:19 250 / 250 53 45 152 0 0 1.366
105 ChessDBCN-8cores-1123676 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 172 / 250 38 42 92 0 0 0.802
106 ChessDBCN-8cores-1123677 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:31 215 / 250 51 48 116 0 0 0.722
107 ChessDBCN-8cores-1123678 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:31 233 / 250 51 44 138 0 0 1.118
108 ChessDBCN-8cores-1123679 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:27 216 / 250 47 62 107 0 0 2.429
109 ChessDBCN-8cores-1123680 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 206 / 250 43 44 119 0 0 0.401
110 ChessDBCN-8cores-1123681 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:31 215 / 250 43 50 122 0 0 0.612
111 ChessDBCN-8cores-1123682 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:29 208 / 250 40 47 121 0 0 0.873
112 ChessDBCN-8cores-1123683 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 230 / 250 52 56 122 0 0 1.027
113 ChessDBCN-8cores-1123684 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:27 231 / 250 49 44 138 0 0 1.053
114 ChessDBCN-8cores-1123685 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 212 / 250 40 46 126 0 0 1.010
115 ChessDBCN-8cores-1123686 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:29 231 / 250 50 61 120 0 0 1.664
116 ChessDBCN-8cores-1123687 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:31 197 / 250 37 32 128 0 0 2.441
117 ChessDBCN-8cores-1123688 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:29 208 / 250 44 52 112 0 0 1.086
118 ChessDBCN-8cores-1123689 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:27 225 / 250 42 58 125 0 0 1.413
119 ChessDBCN-8cores-1123690 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 216 / 250 50 37 129 0 0 1.703
120 ChessDBCN-8cores-1123691 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 208 / 250 55 42 111 0 0 1.661
121 ChessDBCN-8cores-1123692 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 209 / 250 49 41 119 0 0 0.801
122 ChessDBCN-8cores-1123693 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 187 / 250 27 51 109 0 0 2.423
123 ChessDBCN-8cores-1123694 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 205 / 250 44 48 113 0 0 0.527
124 ChessDBCN-8cores-1123695 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:25 197 / 250 51 33 113 0 0 1.754
125 ChessDBCN-8cores-1123696 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:22 225 / 250 41 40 144 0 0 2.314
126 ChessDBCN-8cores-1123697 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:22 180 / 250 39 35 106 0 0 0.799
127 ChessDBCN-8cores-1123698 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 226 / 250 39 52 135 0 0 1.633
128 ChessDBCN-8cores-1123699 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:29 194 / 250 42 44 108 0 0 0.264
129 ChessDBCN-8cores-1123700 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:20 224 / 250 43 58 123 0 0 1.452
130 ChessDBCN-8cores-1123701 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:28 208 / 250 48 45 115 0 0 0.479
131 ChessDBCN-8cores-1123702 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 205 / 250 37 52 116 0 0 1.278
132 ChessDBCN-8cores-1123703 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 207 / 250 46 44 117 0 0 0.225
133 ChessDBCN-8cores-1123704 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:31 206 / 250 36 49 121 0 0 1.482
134 ChessDBCN-8cores-1123705 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 184 / 250 40 41 103 0 0 0.126
135 ChessDBCN-8cores-1123706 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:25 180 / 250 38 39 103 0 0 0.227
136 ChessDBCN-8cores-1123707 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 201 / 250 36 44 121 0 0 1.313
137 ChessDBCN-8cores-1123708 Linux 3.10.0-957.5.1.el7.x86_64 2019-03-02 21:26:30 199 / 250 45 41 113 0 0 0.444