Dev Builds » 20220521-1042

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 10:25:14 1297810 3428 1327 369 1732 +99.75 +/- 5.56 2 80 626 970 36 +209.46 +/- 13.62
ncm-dbt-02 10:23:04 1311151 3382 1300 397 1685 +95.07 +/- 5.64 1 94 628 937 31 +198.47 +/- 13.6
ncm-dbt-03 09:33:25 1234713 3184 1238 362 1584 +98.12 +/- 5.72 0 83 576 907 26 +206.94 +/- 14.2
ncm-dbt-04 10:27:15 1314424 3426 1341 399 1686 +98.05 +/- 5.67 1 95 616 963 38 +204.22 +/- 13.73
ncm-dbt-05 10:20:46 1325396 3410 1290 399 1721 +92.94 +/- 5.52 0 92 657 929 27 +193.99 +/- 13.29
ncm-dbt-06 09:32:28 1230539 3170 1215 378 1577 +93.96 +/- 5.82 1 85 607 860 32 +194.82 +/- 13.83
20000 7711 2304 9985 +96.32 +/- 2.31 5 529 3710 5566 190 +201.29 +/- 5.59

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
203840 ncm-dbt-02 1195974 132 52 17 63 +94.37 +/- 29.68 0 6 19 41 0 +205.18 +/- 79.0
203839 ncm-dbt-05 1235226 152 53 23 76 +69.48 +/- 28.1 0 7 34 33 2 +134.32 +/- 59.15
203838 ncm-dbt-06 1234068 170 66 14 90 +109.78 +/- 24.33 0 4 26 54 1 +240.82 +/- 68.52
203837 ncm-dbt-04 1227654 176 72 18 86 +110.14 +/- 23.78 0 3 30 53 2 +235.93 +/- 63.51
203836 ncm-dbt-01 1205633 186 71 12 103 +114.14 +/- 22.92 0 5 24 64 0 +260.15 +/- 70.98
203835 ncm-dbt-03 1236213 184 67 19 98 +92.77 +/- 22.84 0 4 37 50 1 +195.92 +/- 56.64
203834 ncm-dbt-02 1194896 500 197 57 246 +99.95 +/- 14.61 0 13 89 143 5 +209.91 +/- 36.34
203833 ncm-dbt-05 1239524 500 183 61 256 +86.52 +/- 14.38 0 15 101 131 3 +179.9 +/- 34.03
203832 ncm-dbt-01 1181527 500 194 57 249 +97.69 +/- 14.13 0 11 95 140 4 +206.01 +/- 35.09
203831 ncm-dbt-06 1248219 500 187 64 249 +87.26 +/- 15.25 0 16 103 123 8 +172.78 +/- 33.69
203830 ncm-dbt-04 1210640 500 197 60 243 +97.69 +/- 14.58 0 12 95 137 6 +202.15 +/- 35.11
203829 ncm-dbt-03 1242515 500 210 56 234 +110.6 +/- 13.73 0 6 90 148 6 +236.51 +/- 35.94
203828 ncm-dbt-02 1193412 500 184 62 254 +86.52 +/- 15.23 1 16 98 130 5 +178.11 +/- 34.58
203827 ncm-dbt-05 1235257 500 192 71 237 +85.78 +/- 15.35 0 21 91 134 4 +176.33 +/- 35.82
203826 ncm-dbt-01 1202743 500 195 58 247 +97.69 +/- 15.73 1 14 91 135 9 +198.34 +/- 35.92
203825 ncm-dbt-06 1230292 500 188 60 252 +90.96 +/- 15.05 0 17 93 135 5 +187.16 +/- 35.51
203824 ncm-dbt-04 1211592 500 191 58 251 +94.69 +/- 14.09 0 13 93 142 2 +202.15 +/- 35.52
203823 ncm-dbt-03 1240625 500 183 67 250 +82.1 +/- 14.27 0 15 107 125 3 +169.27 +/- 32.98
203822 ncm-dbt-02 1199639 500 187 72 241 +81.36 +/- 14.68 0 17 105 124 4 +165.8 +/- 33.35
203821 ncm-dbt-05 1227169 500 191 56 253 +96.19 +/- 13.48 0 7 105 134 4 +202.15 +/- 32.99
203820 ncm-dbt-01 1205518 500 191 57 252 +95.44 +/- 13.79 0 11 96 141 2 +204.07 +/- 34.89
203819 ncm-dbt-06 1210670 500 194 58 248 +96.94 +/- 13.65 0 10 96 142 2 +207.95 +/- 34.86
203818 ncm-dbt-03 1241725 500 198 58 244 +99.95 +/- 14.76 0 14 87 144 5 +209.91 +/- 36.75
203817 ncm-dbt-04 1232022 500 197 52 251 +103.73 +/- 15.1 0 15 81 148 6 +217.85 +/- 38.05
203816 ncm-dbt-02 1194896 500 193 43 264 +107.54 +/- 14.21 0 11 82 153 4 +232.26 +/- 37.9
203815 ncm-dbt-05 1233002 500 188 57 255 +93.2 +/- 14.36 0 14 94 139 3 +196.45 +/- 35.33
203814 ncm-dbt-01 1186513 500 187 48 265 +99.2 +/- 14.6 0 15 84 148 3 +211.87 +/- 37.38
203813 ncm-dbt-06 1230494 500 193 61 246 +93.95 +/- 14.07 0 9 106 129 6 +192.71 +/- 32.93
203812 ncm-dbt-03 1214410 500 212 51 237 +116.0 +/- 14.37 0 11 72 162 5 +254.16 +/- 40.45
203811 ncm-dbt-04 1223482 500 201 54 245 +105.25 +/- 13.39 0 8 89 151 2 +230.16 +/- 36.26
203810 ncm-dbt-05 1217223 500 185 53 262 +93.95 +/- 14.67 0 14 95 136 5 +194.57 +/- 35.13
203809 ncm-dbt-01 1188114 500 192 55 253 +97.69 +/- 14.43 0 12 94 139 5 +204.07 +/- 35.31
203808 ncm-dbt-02 1194301 500 188 60 252 +90.96 +/- 13.72 0 11 102 135 2 +192.71 +/- 33.75
203807 ncm-dbt-06 1211118 500 191 58 251 +94.7 +/- 15.26 1 15 89 140 5 +198.34 +/- 36.31
203806 ncm-dbt-04 1225597 500 190 62 248 +90.96 +/- 15.47 0 20 87 138 5 +187.16 +/- 36.61
203805 ncm-dbt-03 1230057 500 186 58 256 +90.96 +/- 14.62 0 18 87 144 1 +194.57 +/- 36.67
203804 ncm-dbt-06 1248913 500 196 63 241 +94.69 +/- 14.69 0 14 94 137 5 +196.45 +/- 35.33
203803 ncm-dbt-05 1212458 500 195 49 256 +104.49 +/- 13.71 0 8 92 146 4 +223.94 +/- 35.61
203802 ncm-dbt-03 1237451 500 182 53 265 +91.71 +/- 14.78 0 15 96 134 5 +189.0 +/- 34.95
203801 ncm-dbt-02 1195099 500 200 55 245 +103.73 +/- 15.81 0 15 86 138 11 +207.95 +/- 36.95
203800 ncm-dbt-04 1201882 500 193 60 247 +94.69 +/- 15.26 0 15 95 132 8 +190.85 +/- 35.14
203799 ncm-dbt-01 1220634 500 196 53 251 +102.22 +/- 14.63 1 8 95 139 7 +213.85 +/- 35.03
176019 ncm-dbt-04 1423314 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
176018 ncm-dbt-02 1447941 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
176017 ncm-dbt-05 1436753 8 3 0 5 +136.8 +/- 89.09 0 0 1 3 0 +337.69 +/- 541.44
176016 ncm-dbt-01 1440505 42 18 7 17 +93.16 +/- 47.2 0 1 8 12 0 +202.06 +/- 130.76
176015 ncm-dbt-04 1429294 50 22 10 18 +85.02 +/- 55.08 0 3 8 13 1 +164.07 +/- 126.09
176014 ncm-dbt-02 1448225 50 19 5 26 +99.93 +/- 36.88 0 0 11 14 0 +219.84 +/- 104.3
176013 ncm-dbt-05 1439051 50 21 6 23 +107.53 +/- 42.62 0 1 8 16 0 +240.82 +/- 132.75
176012 ncm-dbt-01 1434299 50 22 4 24 +130.92 +/- 52.55 0 1 7 15 2 +263.42 +/- 145.5
176011 ncm-dbt-04 1418961 50 22 10 18 +85.04 +/- 62.5 1 1 10 11 2 +164.07 +/- 113.84
176010 ncm-dbt-02 1446925 50 20 5 25 +107.53 +/- 47.72 0 2 6 17 0 +240.82 +/- 153.02
176009 ncm-dbt-05 1438334 50 17 3 30 +99.94 +/- 42.49 0 1 9 15 0 +219.87 +/- 122.63
176008 ncm-dbt-01 1432580 50 18 6 26 +85.02 +/- 51.0 0 1 13 9 2 +147.19 +/- 95.14
176007 ncm-dbt-04 1422749 50 19 3 28 +115.21 +/- 56.95 0 2 7 14 2 +219.87 +/- 140.03
176006 ncm-dbt-02 1440866 50 18 9 23 +63.22 +/- 44.25 0 2 12 11 0 +130.94 +/- 101.68
176005 ncm-dbt-05 1437752 50 21 6 23 +107.52 +/- 36.86 0 0 10 15 0 +240.79 +/- 111.83
176004 ncm-dbt-04 1426005 50 20 8 22 +85.02 +/- 55.08 0 2 11 10 2 +147.19 +/- 107.43
176003 ncm-dbt-01 1436168 50 22 4 24 +130.91 +/- 47.47 0 0 9 14 2 +263.38 +/- 120.78
176002 ncm-dbt-05 1439635 50 20 4 26 +115.21 +/- 52.56 0 2 6 16 1 +240.82 +/- 153.02
176001 ncm-dbt-02 1446914 50 21 6 23 +107.53 +/- 42.62 0 1 8 16 0 +240.82 +/- 132.75
176000 ncm-dbt-05 1438765 50 21 10 19 +77.69 +/- 50.32 0 2 11 11 1 +147.19 +/- 107.43
175999 ncm-dbt-01 1439487 50 21 8 21 +92.45 +/- 42.2 0 1 10 14 0 +200.24 +/- 114.26
175998 ncm-dbt-04 1434326 50 17 4 29 +92.45 +/- 42.2 0 1 10 14 0 +200.24 +/- 114.26
175997 ncm-dbt-02 1445884 50 21 6 23 +107.52 +/- 36.86 0 0 10 15 0 +240.79 +/- 111.83

Commit

Commit ID cc7bcd5303a645223a6cd853817d3172754243aa
Author candirufish
Date 2022-05-21 10:42:33 UTC
Simplify a condition Principal variation depth late move reduction extension simplification. stc: https://tests.stockfishchess.org/tests/view/6285a1d19d18a78568e7fa24 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 428536 W: 113433 L: 113851 D: 201252 Ptnml(0-2): 1671, 48606, 114090, 48272, 1629 ltc: https://tests.stockfishchess.org/tests/view/62871d20375cdc5de8cf5db3 LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 56792 W: 15123 L: 15011 D: 26658 Ptnml(0-2): 42, 5681, 16825, 5819, 29 closes https://github.com/official-stockfish/Stockfish/pull/4028 bench: 6501437
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