Dev Builds » 20230525-1849

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 09:58:14 1114393 3354 1422 309 1623 +119.83 +/- 5.22 0 35 534 1068 40 +263.32 +/- 14.71
ncm-dbt-02 09:51:39 1235666 3310 1389 280 1641 +121.08 +/- 5.46 1 47 494 1068 45 +265.49 +/- 15.34
ncm-dbt-03 09:58:24 1239570 3354 1431 299 1624 +122.05 +/- 5.31 0 44 498 1094 41 +269.71 +/- 15.27
ncm-dbt-04 09:56:48 1227645 3316 1386 298 1632 +118.37 +/- 5.31 0 47 508 1071 32 +261.61 +/- 15.12
ncm-dbt-05 09:53:14 1232696 3320 1372 276 1672 +119.16 +/- 5.25 0 49 491 1095 25 +266.48 +/- 15.39
ncm-dbt-06 09:56:21 1219558 3346 1423 307 1616 +120.49 +/- 5.4 1 46 505 1078 43 +264.57 +/- 15.17
20000 8423 1769 9808 +120.16 +/- 2.17 2 268 3030 6474 226 +265.19 +/- 6.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
189288 ncm-dbt-02 1229248 310 120 34 156 +98.98 +/- 17.55 0 5 62 85 3 +207.7 +/- 43.34
189287 ncm-dbt-05 1240372 320 123 18 179 +118.38 +/- 15.11 0 1 54 104 1 +269.37 +/- 46.28
189286 ncm-dbt-04 1257644 316 137 36 143 +115.08 +/- 18.05 0 7 46 102 3 +252.04 +/- 50.9
189285 ncm-dbt-06 1216479 346 157 36 153 +126.85 +/- 16.55 0 3 52 112 6 +278.39 +/- 47.77
189284 ncm-dbt-01 1114816 354 152 35 167 +119.31 +/- 17.52 0 5 58 106 8 +249.54 +/- 45.18
189283 ncm-dbt-03 1243455 354 149 30 175 +121.51 +/- 17.23 0 8 46 119 4 +269.2 +/- 50.75
189270 ncm-dbt-02 1234058 500 201 41 258 +115.22 +/- 13.88 0 8 79 158 5 +251.89 +/- 38.63
189269 ncm-dbt-04 1242830 500 216 49 235 +120.67 +/- 14.01 0 7 76 160 7 +263.42 +/- 39.41
189268 ncm-dbt-05 1232389 500 215 44 241 +123.81 +/- 13.46 0 7 69 170 4 +280.42 +/- 41.44
189267 ncm-dbt-06 1214687 500 214 42 244 +124.6 +/- 14.31 0 7 73 161 9 +270.57 +/- 40.25
189266 ncm-dbt-01 1112672 500 208 54 238 +110.6 +/- 13.22 0 5 90 151 4 +240.82 +/- 35.87
189265 ncm-dbt-03 1234926 500 225 51 224 +126.17 +/- 13.77 0 5 74 163 8 +277.93 +/- 39.92
189258 ncm-dbt-02 1245287 500 215 38 247 +128.55 +/- 15.08 0 8 70 159 13 +273.0 +/- 41.13
189257 ncm-dbt-05 1218107 500 214 36 250 +129.35 +/- 14.07 0 7 66 169 8 +288.06 +/- 42.4
189256 ncm-dbt-04 1224003 500 197 40 263 +112.91 +/- 15.0 0 12 77 153 8 +238.66 +/- 39.1
189255 ncm-dbt-06 1235611 500 209 53 238 +112.14 +/- 13.39 0 6 86 154 4 +245.2 +/- 36.85
189254 ncm-dbt-03 1237016 500 216 37 247 +130.14 +/- 14.06 0 7 65 170 8 +290.66 +/- 42.73
189253 ncm-dbt-01 1105857 500 213 44 243 +122.24 +/- 14.0 0 6 77 159 8 +265.78 +/- 39.12
189246 ncm-dbt-02 1232043 500 220 44 236 +127.76 +/- 13.57 1 4 68 172 5 +293.29 +/- 41.75
189245 ncm-dbt-04 1232491 500 209 40 251 +122.24 +/- 13.3 0 6 73 167 4 +275.45 +/- 40.24
189244 ncm-dbt-05 1234583 500 209 52 239 +112.91 +/- 13.89 0 9 79 158 4 +247.41 +/- 38.64
189243 ncm-dbt-03 1239127 500 209 53 238 +112.14 +/- 14.06 0 7 87 149 7 +238.66 +/- 36.67
189242 ncm-dbt-01 1113284 500 202 43 255 +114.45 +/- 13.21 0 6 82 159 3 +254.16 +/- 37.82
189241 ncm-dbt-06 1217961 500 210 52 238 +113.68 +/- 13.89 0 6 87 150 7 +243.0 +/- 36.62
189234 ncm-dbt-02 1214644 500 206 37 257 +122.24 +/- 13.66 0 7 72 166 5 +273.0 +/- 40.54
189233 ncm-dbt-05 1248143 500 206 31 263 +126.97 +/- 13.04 0 6 66 175 3 +293.29 +/- 42.41
189232 ncm-dbt-04 1208334 500 208 40 252 +121.45 +/- 12.95 0 5 75 167 3 +275.45 +/- 39.63
189231 ncm-dbt-03 1255276 500 214 31 255 +133.34 +/- 12.69 0 2 69 173 6 +306.84 +/- 41.23
189230 ncm-dbt-06 1210425 500 213 41 246 +124.6 +/- 14.47 0 9 68 165 8 +273.0 +/- 41.7
189229 ncm-dbt-01 1122965 500 216 47 237 +122.24 +/- 13.3 0 7 70 170 3 +277.93 +/- 41.14
189222 ncm-dbt-02 1230808 500 218 43 239 +126.97 +/- 13.58 0 6 69 169 6 +285.49 +/- 41.44
189221 ncm-dbt-05 1236652 500 208 49 243 +114.45 +/- 13.21 0 7 79 162 2 +256.44 +/- 38.62
189220 ncm-dbt-04 1223802 500 216 46 238 +123.02 +/- 12.93 0 4 76 166 4 +277.93 +/- 39.29
189219 ncm-dbt-06 1212289 500 210 37 253 +125.38 +/- 13.79 0 9 63 174 4 +285.49 +/- 43.31
189218 ncm-dbt-01 1117418 500 213 38 249 +126.97 +/- 13.94 0 4 77 159 10 +275.45 +/- 39.01
189217 ncm-dbt-03 1226867 500 207 49 244 +113.68 +/- 14.05 0 9 79 157 5 +247.41 +/- 38.64
189210 ncm-dbt-02 1263580 500 209 43 248 +119.89 +/- 14.51 0 9 74 159 8 +258.75 +/- 39.96
189209 ncm-dbt-06 1229456 500 210 46 244 +118.33 +/- 14.03 1 6 76 162 5 +263.42 +/- 39.41
189208 ncm-dbt-05 1218627 500 197 46 257 +108.3 +/- 14.21 0 12 78 157 3 +236.51 +/- 38.85
189207 ncm-dbt-04 1204415 500 203 47 250 +112.14 +/- 13.22 0 6 85 156 3 +247.41 +/- 37.09
189206 ncm-dbt-03 1240323 500 211 48 241 +117.55 +/- 13.18 0 6 78 163 3 +263.42 +/- 38.85
189205 ncm-dbt-01 1113742 500 218 48 234 +123.02 +/- 12.56 0 2 80 164 4 +277.93 +/- 38.02

Commit

Commit ID c701745cf243f4816754167e85bf5fabf5b34e47
Author cj5716
Date 2023-05-25 18:49:11 UTC
Remove ss->ttHit condition where ttValue != VALUE_NONE Simplification is done at 3 separate places in the code. Thanks to peregrineshahin for helping me find 2 of such places. (See original PR #4584) Passed non-regression test LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 120256 W: 32204 L: 32085 D: 55967 Ptnml(0-2): 292, 12473, 34483, 12584, 296 https://tests.stockfishchess.org/tests/view/646f045968661bfd984325e3 closes https://github.com/official-stockfish/Stockfish/pull/4587 No functional change
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