Dev Builds » 20220731-0900

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 10:13:47 1298877 3406 1344 381 1681 +100.98 +/- 5.61 1 84 606 975 37 +212.04 +/- 13.84
ncm-dbt-02 09:23:47 1233148 3140 1241 352 1547 +101.13 +/- 5.76 0 71 574 890 35 +211.85 +/- 14.22
ncm-dbt-03 10:13:29 1329650 3398 1344 407 1647 +98.35 +/- 5.62 1 92 605 971 30 +207.19 +/- 13.86
ncm-dbt-04 09:48:14 1276844 3288 1279 382 1627 +97.25 +/- 5.64 1 86 597 935 25 +205.53 +/- 13.95
ncm-dbt-05 10:08:51 1322561 3358 1322 374 1662 +100.82 +/- 5.63 0 74 629 930 46 +208.55 +/- 13.57
ncm-dbt-06 10:12:50 1322445 3410 1347 413 1650 +97.66 +/- 5.36 1 71 649 961 23 +207.41 +/- 13.35
20000 7877 2309 9814 +99.35 +/- 2.29 4 478 3660 5662 196 +208.73 +/- 5.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
197942 ncm-dbt-05 1222236 134 47 20 67 +70.97 +/- 27.14 0 5 30 32 0 +148.43 +/- 63.03
197941 ncm-dbt-02 1224547 140 49 14 77 +88.73 +/- 25.21 0 2 32 35 1 +184.29 +/- 60.02
197940 ncm-dbt-03 1223200 172 67 23 82 +90.89 +/- 26.69 0 8 27 50 1 +190.85 +/- 66.02
197939 ncm-dbt-01 1182341 174 69 23 82 +94.08 +/- 23.73 0 2 40 42 3 +188.2 +/- 53.27
197938 ncm-dbt-06 1243470 186 71 25 90 +87.74 +/- 25.1 0 8 32 52 1 +183.46 +/- 60.93
197937 ncm-dbt-04 1224056 194 64 19 111 +82.08 +/- 24.69 1 6 38 51 1 +174.51 +/- 56.02
197936 ncm-dbt-05 1234886 500 193 65 242 +90.96 +/- 16.27 0 20 93 126 11 +176.33 +/- 35.47
197935 ncm-dbt-02 1225554 500 202 67 231 +96.19 +/- 14.56 0 12 97 135 6 +198.34 +/- 34.72
197934 ncm-dbt-03 1232153 500 205 59 236 +104.49 +/- 14.66 0 13 83 149 5 +221.9 +/- 37.65
197933 ncm-dbt-06 1210157 500 198 52 250 +104.49 +/- 13.39 0 8 90 150 2 +228.08 +/- 36.04
197932 ncm-dbt-01 1184777 500 191 56 253 +96.19 +/- 14.11 0 10 100 135 5 +200.24 +/- 34.09
197931 ncm-dbt-04 1218694 500 201 48 251 +109.83 +/- 14.53 0 12 78 155 5 +236.51 +/- 38.85
197930 ncm-dbt-05 1223472 500 184 59 257 +88.74 +/- 14.86 0 16 98 131 5 +181.7 +/- 34.58
197929 ncm-dbt-02 1242525 500 193 64 243 +91.71 +/- 14.34 0 15 93 140 2 +194.57 +/- 35.52
197928 ncm-dbt-03 1234569 500 188 61 251 +90.22 +/- 13.23 0 8 109 131 2 +190.85 +/- 32.34
197927 ncm-dbt-06 1230018 500 195 65 240 +92.45 +/- 14.35 0 13 98 135 4 +192.71 +/- 34.55
197926 ncm-dbt-01 1187598 500 205 62 233 +102.22 +/- 15.37 1 11 91 138 9 +209.91 +/- 35.92
197925 ncm-dbt-04 1244164 500 195 66 239 +91.71 +/- 13.42 0 9 105 134 2 +194.57 +/- 33.11
197924 ncm-dbt-05 1223322 500 201 50 249 +108.3 +/- 14.21 0 8 90 145 7 +228.08 +/- 36.04
197923 ncm-dbt-02 1241942 500 195 57 248 +98.44 +/- 14.89 0 13 93 137 7 +202.15 +/- 35.52
197922 ncm-dbt-06 1193743 500 206 67 227 +99.2 +/- 14.15 0 10 96 139 5 +207.95 +/- 34.86
197921 ncm-dbt-03 1242817 500 191 72 237 +84.31 +/- 14.18 0 17 97 136 0 +179.9 +/- 34.76
197920 ncm-dbt-01 1182702 500 209 51 240 +113.68 +/- 14.05 0 8 82 154 6 +245.2 +/- 37.88
197919 ncm-dbt-04 1231605 500 192 55 253 +97.69 +/- 14.58 0 15 86 146 3 +207.95 +/- 36.95
197918 ncm-dbt-05 1232028 500 200 44 256 +112.14 +/- 13.22 0 3 94 147 6 +240.82 +/- 34.82
197917 ncm-dbt-02 1228477 500 204 51 245 +109.83 +/- 14.53 0 11 81 152 6 +234.38 +/- 38.14
197916 ncm-dbt-06 1227836 500 202 54 244 +106.01 +/- 13.72 0 9 87 151 3 +230.16 +/- 36.73
197915 ncm-dbt-03 1251231 500 193 49 258 +102.97 +/- 14.34 0 11 89 145 5 +217.85 +/- 36.33
197914 ncm-dbt-04 1229421 500 191 67 242 +88.0 +/- 14.99 0 19 91 137 3 +183.51 +/- 35.86
197913 ncm-dbt-01 1190901 500 186 65 249 +85.78 +/- 15.62 0 23 87 136 4 +176.33 +/- 36.51
197912 ncm-dbt-05 1227795 500 191 57 252 +95.44 +/- 14.25 0 14 90 144 2 +204.07 +/- 36.13
197911 ncm-dbt-02 1247548 500 193 57 250 +96.94 +/- 13.96 0 9 101 135 5 +202.15 +/- 33.85
197910 ncm-dbt-06 1236355 500 197 58 245 +99.2 +/- 14.3 0 12 91 143 4 +209.91 +/- 35.92
197909 ncm-dbt-01 1195014 500 189 52 259 +97.69 +/- 15.17 0 19 78 150 3 +207.95 +/- 38.54
197908 ncm-dbt-03 1239376 500 199 51 250 +106.01 +/- 15.7 0 15 82 143 10 +215.85 +/- 37.82
197907 ncm-dbt-04 1230014 500 191 51 258 +99.95 +/- 14.46 0 14 85 148 3 +213.85 +/- 37.18
197906 ncm-dbt-05 1221927 500 214 58 228 +112.14 +/- 14.53 0 6 93 140 11 +230.16 +/- 35.29
197905 ncm-dbt-02 1221448 500 205 42 253 +117.55 +/- 14.53 0 9 77 156 8 +251.89 +/- 39.16
197904 ncm-dbt-01 1221122 500 202 55 243 +105.25 +/- 14.04 0 10 87 149 4 +226.0 +/- 36.75
197903 ncm-dbt-06 1243720 500 192 67 241 +88.74 +/- 13.67 1 6 114 125 4 +185.33 +/- 31.41
197902 ncm-dbt-04 1221283 500 205 64 231 +100.7 +/- 13.85 0 8 98 139 5 +211.87 +/- 34.38
197901 ncm-dbt-03 1239919 500 210 64 226 +104.49 +/- 15.54 1 15 77 151 6 +221.9 +/- 38.94
172642 ncm-dbt-03 1453242 26 9 3 14 +81.63 +/- 64.15 0 1 5 7 0 +173.46 +/- 173.59
172641 ncm-dbt-05 1457967 24 9 0 15 +136.91 +/- 50.13 0 0 3 9 0 +337.92 +/- 423.6
172640 ncm-dbt-06 1455146 24 10 1 13 +136.91 +/- 50.13 0 0 3 9 0 +337.92 +/- 423.6
172639 ncm-dbt-01 1449258 32 13 2 17 +124.46 +/- 45.15 0 0 5 11 0 +292.89 +/- 183.68
172638 ncm-dbt-05 1456478 50 21 7 22 +99.92 +/- 42.49 0 0 12 12 1 +200.21 +/- 97.77
172637 ncm-dbt-03 1458556 50 21 7 22 +99.93 +/- 36.88 0 0 11 14 0 +219.84 +/- 104.3
172636 ncm-dbt-06 1460639 50 21 6 23 +107.53 +/- 42.62 0 1 8 16 0 +240.82 +/- 132.75
172635 ncm-dbt-01 1443703 50 20 1 29 +138.97 +/- 34.19 0 0 6 19 0 +346.06 +/- 166.42
172634 ncm-dbt-05 1457221 50 18 4 28 +99.92 +/- 42.49 0 0 12 12 1 +200.21 +/- 97.77
172633 ncm-dbt-03 1462136 50 20 8 22 +85.04 +/- 46.59 0 2 9 14 0 +181.7 +/- 121.14
172632 ncm-dbt-06 1458259 50 21 6 23 +107.53 +/- 42.62 0 1 8 16 0 +240.82 +/- 132.75
172631 ncm-dbt-01 1446908 50 22 4 24 +130.91 +/- 41.82 0 0 8 16 1 +288.02 +/- 131.84
172630 ncm-dbt-03 1457962 50 20 6 24 +99.93 +/- 47.48 0 1 10 13 1 +200.24 +/- 114.26
172629 ncm-dbt-05 1455441 50 23 7 20 +115.21 +/- 47.81 0 1 8 15 1 +240.82 +/- 132.75
172628 ncm-dbt-06 1457369 50 16 6 28 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
172627 ncm-dbt-04 1445889 44 21 5 18 +132.36 +/- 52.14 0 0 8 12 2 +261.24 +/- 129.57
172626 ncm-dbt-01 1448230 50 20 4 26 +115.2 +/- 36.62 0 0 9 16 0 +263.38 +/- 120.78
172625 ncm-dbt-03 1460640 50 21 4 25 +123.01 +/- 42.3 0 1 6 18 0 +288.06 +/- 162.53
172624 ncm-dbt-06 1452635 50 18 6 26 +85.04 +/- 46.59 0 2 9 14 0 +181.7 +/- 121.14
172623 ncm-dbt-05 1457966 50 21 3 26 +130.92 +/- 47.47 0 1 6 17 1 +288.06 +/- 162.53
172622 ncm-dbt-04 1446470 50 19 7 24 +85.02 +/- 55.08 0 3 8 13 1 +164.07 +/- 126.09
172621 ncm-dbt-01 1453981 50 18 6 26 +85.02 +/- 51.0 0 1 13 9 2 +147.19 +/- 95.14

Commit

Commit ID 18389e269d43af69c96521f3fe9d85e6b7ed073c
Author Dubslow
Date 2022-07-31 09:00:31 UTC
remove useClassical depth condition passed STC: https://tests.stockfishchess.org/tests/view/62e0c3e98e4fa6ae472695ed LLR: 2.96 (-2.94,2.94) <-2.25,0.25> Total: 293568 W: 78934 L: 79151 D: 135483 Ptnml(0-2): 1344, 31488, 81366, 31213, 1373 passed LTC: https://tests.stockfishchess.org/tests/view/62e190aa8e4fa6ae4726b5b5 LLR: 2.98 (-2.94,2.94) <-2.25,0.25> Total: 187392 W: 50971 L: 51028 D: 85393 Ptnml(0-2): 384, 17801, 57369, 17772, 370 other attempts to otherwise tune this parameter failed, bounds 6,7,10,11 failed STC, 8 passed STC but failed LTC closes https://github.com/official-stockfish/Stockfish/pull/4112 bench 5796377
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