Dev Builds » 20221123-2045

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 10:03:30 1304493 3342 1299 386 1657 +97.39 +/- 5.52 1 80 619 947 24 +206.3 +/- 13.69
ncm-dbt-02 09:58:23 1308599 3296 1307 344 1645 +104.56 +/- 5.53 2 70 562 991 23 +225.8 +/- 14.38
ncm-dbt-03 10:03:09 1319523 3336 1344 350 1642 +106.76 +/- 5.53 1 68 568 998 33 +228.46 +/- 14.3
ncm-dbt-04 10:04:06 1307754 3362 1332 357 1673 +103.73 +/- 5.4 0 72 583 1005 21 +223.7 +/- 14.11
ncm-dbt-05 09:57:51 1009362 3312 1317 369 1626 +102.3 +/- 5.47 2 65 597 967 25 +219.15 +/- 13.93
ncm-dbt-06 10:02:59 1319574 3352 1338 398 1616 +100.11 +/- 5.55 0 87 585 981 23 +213.42 +/- 14.09
20000 7937 2204 9859 +102.46 +/- 2.25 6 442 3514 5889 149 +219.36 +/- 5.74

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
195244 ncm-dbt-02 1223907 130 52 13 65 +107.53 +/- 28.04 0 3 21 40 1 +232.59 +/- 76.75
195243 ncm-dbt-05 1222289 150 58 18 74 +94.94 +/- 25.3 0 4 27 44 0 +206.65 +/- 67.04
195242 ncm-dbt-03 1215522 166 59 15 92 +94.34 +/- 22.83 0 3 33 47 0 +205.1 +/- 60.02
195241 ncm-dbt-01 1206323 176 67 29 80 +76.21 +/- 23.56 0 6 38 44 0 +160.56 +/- 55.87
195240 ncm-dbt-06 1209350 184 77 15 92 +121.82 +/- 22.22 0 2 28 60 2 +270.68 +/- 66.0
195239 ncm-dbt-04 1251470 194 79 18 97 +113.07 +/- 21.6 0 3 31 62 1 +251.08 +/- 62.54
195238 ncm-dbt-02 1219305 500 204 58 238 +104.49 +/- 13.71 0 9 89 149 3 +226.0 +/- 36.29
195237 ncm-dbt-05 1224702 500 190 49 261 +100.7 +/- 13.36 0 6 101 139 4 +213.85 +/- 33.67
195236 ncm-dbt-03 1245928 500 206 47 247 +114.45 +/- 14.21 1 7 79 158 5 +251.89 +/- 38.63
195235 ncm-dbt-01 1213473 500 179 56 265 +87.26 +/- 14.83 0 18 94 135 3 +181.7 +/- 35.31
195234 ncm-dbt-06 1208373 500 208 51 241 +112.91 +/- 15.15 0 13 75 154 8 +238.66 +/- 39.57
195233 ncm-dbt-04 1243499 500 193 59 248 +95.44 +/- 14.4 0 14 91 142 3 +202.15 +/- 35.92
195232 ncm-dbt-02 1217170 500 201 57 242 +102.97 +/- 14.64 0 13 85 147 5 +217.85 +/- 37.2
195231 ncm-dbt-05 1208502 500 198 60 242 +98.44 +/- 14.44 0 14 87 146 3 +209.91 +/- 36.75
195230 ncm-dbt-03 1220789 500 205 55 240 +107.54 +/- 13.89 0 9 86 151 4 +232.26 +/- 36.96
195229 ncm-dbt-06 1224233 500 193 56 251 +97.69 +/- 13.82 0 10 96 141 3 +207.95 +/- 34.86
195228 ncm-dbt-01 1213564 500 200 59 241 +100.7 +/- 14.01 0 9 96 140 5 +211.87 +/- 34.83
195227 ncm-dbt-04 1235800 500 199 57 244 +101.46 +/- 13.85 0 9 94 143 4 +215.85 +/- 35.23
195226 ncm-dbt-02 1241044 500 186 49 265 +97.69 +/- 15.02 1 14 86 145 4 +207.95 +/- 36.95
195225 ncm-dbt-05 1226496 500 200 55 245 +103.73 +/- 14.03 1 8 89 149 3 +226.0 +/- 36.29
195224 ncm-dbt-01 1177269 500 197 56 247 +100.71 +/- 14.01 1 8 93 145 3 +217.85 +/- 35.44
195223 ncm-dbt-03 1225712 500 195 45 260 +107.54 +/- 14.37 0 10 86 148 6 +228.08 +/- 36.98
195222 ncm-dbt-04 1231427 500 203 56 241 +105.25 +/- 13.88 0 11 83 154 2 +230.16 +/- 37.67
195221 ncm-dbt-06 1222075 500 187 63 250 +88.0 +/- 14.41 0 16 96 136 2 +185.33 +/- 34.95
195220 ncm-dbt-02 1237076 500 198 59 243 +99.2 +/- 14.3 0 11 94 140 5 +207.95 +/- 35.29
195219 ncm-dbt-05 1234620 500 196 56 248 +99.95 +/- 14.46 0 13 88 145 4 +211.87 +/- 36.55
195218 ncm-dbt-01 1202886 500 206 66 228 +99.95 +/- 14.15 0 11 92 143 4 +211.87 +/- 35.7
195217 ncm-dbt-03 1214044 500 203 60 237 +102.22 +/- 14.63 0 12 89 143 6 +213.85 +/- 36.34
195216 ncm-dbt-04 1231870 500 196 56 248 +99.95 +/- 14.31 0 13 87 147 3 +213.85 +/- 36.76
195215 ncm-dbt-06 1254591 500 195 79 226 +82.1 +/- 13.98 0 15 105 129 1 +172.78 +/- 33.32
195214 ncm-dbt-02 1221485 500 197 55 248 +101.46 +/- 13.69 0 9 93 145 3 +217.85 +/- 35.44
195213 ncm-dbt-05 1234874 500 203 60 237 +102.22 +/- 14.02 0 10 91 145 4 +217.85 +/- 35.89
195212 ncm-dbt-01 1230165 500 189 55 256 +95.44 +/- 14.4 0 14 91 142 3 +202.15 +/- 35.92
195211 ncm-dbt-04 1233144 500 198 47 255 +108.3 +/- 13.4 0 7 88 152 3 +236.51 +/- 36.44
195210 ncm-dbt-06 1244733 500 211 53 236 +113.68 +/- 14.22 0 12 71 164 3 +251.89 +/- 40.68
195209 ncm-dbt-03 1225956 500 200 50 250 +107.54 +/- 14.52 0 13 78 155 4 +232.26 +/- 38.82
195208 ncm-dbt-05 1231573 500 196 50 254 +104.49 +/- 14.03 1 9 85 153 2 +230.16 +/- 37.2
195207 ncm-dbt-02 1251827 500 197 40 263 +112.91 +/- 13.89 1 8 76 163 2 +254.16 +/- 39.42
195206 ncm-dbt-04 1238808 500 198 45 257 +109.83 +/- 14.06 0 11 78 158 3 +240.82 +/- 38.87
195205 ncm-dbt-03 1221484 500 204 58 238 +104.49 +/- 14.35 0 10 90 144 6 +219.87 +/- 36.1
195204 ncm-dbt-01 1215296 500 196 53 251 +102.22 +/- 14.63 0 13 86 146 5 +215.85 +/- 36.98
195203 ncm-dbt-06 1220853 500 202 60 238 +101.46 +/- 14.17 0 12 87 148 3 +217.85 +/- 36.77
177180 ncm-dbt-05 503369 68 31 7 30 +128.11 +/- 38.27 0 0 12 20 2 +267.57 +/- 102.32
177179 ncm-dbt-02 1493409 66 29 3 34 +144.68 +/- 33.65 0 1 5 27 0 +370.3 +/- 192.08
177178 ncm-dbt-04 1472966 70 26 9 35 +86.08 +/- 42.55 0 3 13 18 1 +171.53 +/- 98.4
177177 ncm-dbt-03 1489990 70 34 3 33 +165.27 +/- 33.42 0 0 6 27 2 +411.15 +/- 172.61
177176 ncm-dbt-06 1484269 68 27 5 36 +116.58 +/- 38.58 0 1 11 21 1 +250.57 +/- 109.97
177175 ncm-dbt-01 1470571 66 29 4 33 +138.48 +/- 34.38 0 0 9 23 1 +320.61 +/- 124.54
177174 ncm-dbt-01 1469951 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
177173 ncm-dbt-06 1484894 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
177172 ncm-dbt-03 1484133 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
177171 ncm-dbt-05 504025 44 21 7 16 +114.49 +/- 46.23 0 0 9 12 1 +235.89 +/- 118.5
177170 ncm-dbt-02 1486429 50 22 5 23 +123.01 +/- 42.3 0 1 6 18 0 +288.06 +/- 162.53
177169 ncm-dbt-04 1470574 48 21 5 22 +120.38 +/- 43.54 0 0 9 14 1 +254.69 +/- 120.1
177168 ncm-dbt-01 1474953 50 15 1 34 +99.93 +/- 36.88 0 0 11 14 0 +219.84 +/- 104.3
177167 ncm-dbt-03 1484127 50 19 7 24 +85.04 +/- 41.74 0 1 11 13 0 +181.7 +/- 107.11
177166 ncm-dbt-06 1479057 50 19 7 24 +85.04 +/- 51.0 0 3 7 15 0 +181.7 +/- 134.48
177165 ncm-dbt-05 503175 50 24 7 19 +123.0 +/- 52.64 0 1 8 14 2 +240.82 +/- 132.75
177164 ncm-dbt-02 1494347 50 21 5 24 +115.22 +/- 42.56 0 1 7 17 0 +263.42 +/- 145.5
177163 ncm-dbt-04 1467986 50 19 5 26 +99.94 +/- 42.49 0 1 9 15 0 +219.87 +/- 122.63
177162 ncm-dbt-01 1474972 50 21 7 22 +99.94 +/- 42.49 0 1 9 15 0 +219.87 +/- 122.63
177161 ncm-dbt-06 1482887 50 19 9 22 +70.43 +/- 49.53 0 3 9 13 0 +147.19 +/- 118.91
177160 ncm-dbt-03 1487078 50 19 10 21 +63.22 +/- 48.63 0 3 10 12 0 +130.94 +/- 112.59

Commit

Commit ID f5a31b7e576e2e56825fcfdff75c739ed545e852
Author Guenther Demetz
Date 2022-11-23 20:45:06 UTC
Correctly output lowerbound/upperbound in threaded searches fixes the lowerbound/upperbound output by taking the alpha,beta bracket into account also if a bestThread is selected that is different from the master thread. Instead of keeping track which bounds where used in the specific search, in this version we simply store the quality (exact, upperbound, lowerbound) of the score along with the actual score as information on rootMove. closes https://github.com/official-stockfish/Stockfish/pull/4239 No functional change
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