Dev Builds » 20210511-1741

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 14:21:56 1153957 4940 900 1670 2370 -54.6 +/- 4.93 39 988 1155 280 8 -107.23 +/- 10.02
ncm-dbt-02 14:15:31 1257835 4896 934 1699 2263 -54.74 +/- 4.93 36 982 1152 267 11 -108.41 +/- 10.03
ncm-dbt-03 14:23:13 1264634 4956 885 1718 2353 -58.96 +/- 4.85 43 1011 1164 256 4 -115.39 +/- 9.97
ncm-dbt-04 00:29:43 1483847 170 31 52 87 -43.13 +/- 30.47 6 23 42 14 0 -61.96 +/- 52.97
ncm-dbt-05 14:17:51 1252517 4874 859 1664 2351 -57.91 +/- 4.95 32 1026 1102 269 8 -115.41 +/- 10.26
ncm-dbt-06 00:29:39 1494967 164 34 57 73 -49.05 +/- 26.35 0 34 37 11 0 -100.13 +/- 56.58
20000 3643 6860 9497 -56.37 +/- 2.44 156 4064 4652 1097 31 -111.06 +/- 4.99

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
211569 ncm-dbt-05 1232357 206 42 76 88 -57.87 +/- 24.26 3 39 50 11 0 -107.91 +/- 48.44
211568 ncm-dbt-02 1245938 230 45 78 107 -50.19 +/- 20.42 0 44 60 11 0 -102.58 +/- 43.83
211567 ncm-dbt-01 1114761 272 49 86 137 -47.56 +/- 21.81 1 56 59 19 1 -96.96 +/- 44.54
211566 ncm-dbt-03 1216622 292 62 109 121 -56.41 +/- 19.45 2 58 71 15 0 -110.68 +/- 40.53
211565 ncm-dbt-05 1229778 500 99 174 227 -52.51 +/- 15.3 1 105 113 30 1 -107.54 +/- 32.15
211564 ncm-dbt-02 1231185 500 103 173 224 -48.96 +/- 15.63 3 99 113 35 0 -95.44 +/- 32.13
211563 ncm-dbt-01 1109450 500 91 169 240 -54.65 +/- 15.78 5 99 116 29 1 -106.01 +/- 31.72
211562 ncm-dbt-03 1233330 500 86 180 234 -66.1 +/- 15.26 3 114 107 26 0 -132.54 +/- 33.05
211561 ncm-dbt-05 1223068 500 91 176 233 -59.64 +/- 15.89 4 107 111 26 2 -119.89 +/- 32.44
211560 ncm-dbt-02 1226321 500 90 164 246 -51.8 +/- 15.77 2 104 112 30 2 -106.01 +/- 32.28
211559 ncm-dbt-01 1109696 500 88 178 234 -63.23 +/- 15.66 6 104 115 24 1 -123.02 +/- 31.84
211558 ncm-dbt-03 1245693 500 93 187 220 -66.1 +/- 15.0 4 109 114 23 0 -130.94 +/- 31.98
211557 ncm-dbt-05 1222441 500 88 172 240 -58.93 +/- 15.35 2 110 108 30 0 -118.33 +/- 32.88
211556 ncm-dbt-02 1239530 500 90 177 233 -61.08 +/- 15.05 4 102 123 19 2 -123.02 +/- 30.61
211555 ncm-dbt-01 1129629 500 94 154 252 -41.89 +/- 15.12 3 88 125 34 0 -80.63 +/- 30.5
211554 ncm-dbt-03 1243487 500 72 169 259 -68.27 +/- 14.94 5 108 116 21 0 -134.15 +/- 31.65
211553 ncm-dbt-05 1247932 500 74 163 263 -62.51 +/- 15.11 4 105 118 22 1 -124.6 +/- 31.38
211552 ncm-dbt-02 1228887 500 104 181 215 -53.93 +/- 14.86 1 103 119 26 1 -110.6 +/- 31.28
211551 ncm-dbt-01 1133175 500 98 174 228 -53.22 +/- 15.34 4 98 118 30 0 -102.97 +/- 31.44
211550 ncm-dbt-03 1239081 500 92 174 234 -57.5 +/- 15.79 1 115 99 35 0 -116.78 +/- 34.14
211549 ncm-dbt-05 1219070 500 88 173 239 -59.64 +/- 15.63 5 103 115 26 1 -116.78 +/- 31.85
211548 ncm-dbt-02 1210580 500 98 178 224 -56.07 +/- 15.22 5 96 124 24 1 -109.07 +/- 30.54
211547 ncm-dbt-01 1135679 500 81 168 251 -61.07 +/- 14.52 3 103 122 22 0 -121.46 +/- 30.78
211546 ncm-dbt-03 1253963 500 69 176 255 -75.52 +/- 15.33 7 113 110 20 0 -147.19 +/- 32.57
211545 ncm-dbt-02 1255095 500 91 177 232 -60.36 +/- 14.89 2 108 114 26 0 -121.46 +/- 32.0
211544 ncm-dbt-05 1221845 500 81 168 251 -61.08 +/- 15.57 2 113 106 28 1 -124.6 +/- 33.18
211543 ncm-dbt-01 1135216 500 91 163 246 -50.38 +/- 15.07 1 101 118 29 1 -102.97 +/- 31.44
211542 ncm-dbt-03 1257510 500 92 174 234 -57.5 +/- 15.79 6 99 117 27 1 -110.6 +/- 31.57
211541 ncm-dbt-02 1245117 500 103 160 237 -39.78 +/- 16.46 5 89 116 38 2 -76.25 +/- 31.7
211540 ncm-dbt-05 1239132 500 95 171 234 -53.22 +/- 15.21 1 104 117 26 2 -110.6 +/- 31.57
211539 ncm-dbt-01 1126910 500 94 165 241 -49.67 +/- 15.79 4 96 119 29 2 -98.44 +/- 31.3
211538 ncm-dbt-03 1236996 500 93 173 234 -56.07 +/- 15.6 8 89 130 21 2 -106.01 +/- 29.66
211537 ncm-dbt-02 1236329 500 84 178 238 -66.1 +/- 15.65 8 100 122 18 2 -127.76 +/- 30.73
211536 ncm-dbt-05 1229567 500 85 161 254 -53.22 +/- 15.59 3 103 111 33 0 -104.49 +/- 32.42
211535 ncm-dbt-03 1235247 500 100 162 238 -43.3 +/- 15.2 4 86 129 30 1 -83.57 +/- 29.93
211534 ncm-dbt-01 1108821 500 96 167 237 -49.67 +/- 16.03 5 95 118 30 2 -96.94 +/- 31.44
211533 ncm-dbt-02 1227218 500 93 171 236 -54.65 +/- 16.15 6 99 113 31 1 -104.49 +/- 32.14
211532 ncm-dbt-05 1216266 500 91 173 236 -57.5 +/- 15.54 5 101 115 29 0 -110.6 +/- 31.86
211531 ncm-dbt-01 1108987 500 87 187 226 -70.43 +/- 15.16 6 109 114 21 0 -137.37 +/- 31.96
211530 ncm-dbt-03 1251246 500 94 169 237 -52.51 +/- 14.66 3 95 126 26 0 -102.97 +/- 30.28
178246 ncm-dbt-02 1489989 166 33 62 71 -61.32 +/- 25.75 0 38 36 9 0 -126.73 +/- 57.45
178245 ncm-dbt-05 1496237 168 25 57 86 -66.99 +/- 26.6 2 36 38 8 0 -129.8 +/- 55.85
178244 ncm-dbt-01 1481205 168 31 59 78 -58.45 +/- 28.55 1 39 31 13 0 -115.78 +/- 61.0
178243 ncm-dbt-03 1497808 164 32 45 87 -27.6 +/- 24.74 0 25 45 12 0 -55.55 +/- 50.74
178242 ncm-dbt-04 1483847 170 31 52 87 -43.13 +/- 30.47 6 23 42 14 0 -61.96 +/- 52.97
178241 ncm-dbt-06 1494967 164 34 57 73 -49.05 +/- 26.35 0 34 37 11 0 -100.13 +/- 56.58

Commit

Commit ID a0e2debe3f1d14f84984a9a2c1482dc41f695548
Author bmc4
Date 2021-05-11 17:41:44 UTC
Remove coordination between searching threads In summary, this revert #2204, as it seems not to bring any strength anymore, so it's no long needed. STC (5+0.05 @ 8 threads): LLR: 2.96 (-2.94,2.94) <-2.50,0.50> Total: 105728 W: 6406 L: 6393 D: 92929 Ptnml(0-2): 154, 5479, 41599, 5464, 168 https://tests.stockfishchess.org/tests/view/6096994095e7f1852abd3154 LTC (20+0.2 @ 8 threads): LLR: 2.96 (-2.94,2.94) <-2.50,0.50> Total: 26336 W: 774 L: 712 D: 24850 Ptnml(0-2): 9, 641, 11810, 695, 13 https://tests.stockfishchess.org/tests/view/6097c62995e7f1852abd31e8 closes https://github.com/official-stockfish/Stockfish/pull/3459 No functional change.
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