Dev Builds » 20200301-0820

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 13:43:38 1133995 4950 234 2894 1822 -208.62 +/- 5.87 538 1605 311 21 0 -445.88 +/- 19.35
ncm-dbt-02 13:38:51 1254677 4882 242 2850 1790 -207.08 +/- 6.17 558 1520 338 22 3 -425.52 +/- 18.55
ncm-dbt-03 13:43:58 1260936 4950 254 2897 1799 -206.95 +/- 6.05 560 1545 349 20 1 -426.68 +/- 18.27
ncm-dbt-04 00:29:01 1484321 168 8 96 64 -202.05 +/- 33.62 19 51 13 1 0 -403.44 +/- 102.58
ncm-dbt-05 13:37:15 1251912 4884 232 2882 1770 -211.18 +/- 6.04 562 1542 324 12 2 -443.9 +/- 18.98
ncm-dbt-06 00:28:48 1492638 166 10 98 58 -205.09 +/- 33.81 19 51 12 1 0 -414.29 +/- 107.69
20000 980 11717 7303 -208.36 +/- 2.99 2256 6314 1347 77 6 -434.81 +/- 9.28

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
211278 ncm-dbt-05 1233132 220 12 131 77 -210.34 +/- 27.17 24 71 15 0 0 -454.24 +/- 94.65
211277 ncm-dbt-02 1245889 212 9 113 90 -186.5 +/- 25.45 15 76 13 2 0 -423.83 +/- 101.24
211276 ncm-dbt-03 1244488 284 17 172 95 -212.74 +/- 27.39 36 86 17 3 0 -421.97 +/- 86.12
211275 ncm-dbt-01 1091849 284 17 166 101 -202.46 +/- 25.42 30 92 17 3 0 -421.97 +/- 86.12
211274 ncm-dbt-02 1218642 500 20 303 177 -222.92 +/- 19.74 64 157 28 0 1 -477.99 +/- 66.98
211273 ncm-dbt-05 1227497 500 27 301 172 -213.85 +/- 20.24 62 154 31 2 1 -438.95 +/- 62.99
211272 ncm-dbt-03 1242624 500 31 283 186 -192.71 +/- 19.18 51 154 42 2 1 -389.56 +/- 53.75
211271 ncm-dbt-01 1099372 500 18 308 174 -230.16 +/- 19.9 68 156 24 2 0 -490.71 +/- 72.58
211270 ncm-dbt-02 1241935 500 24 294 182 -209.9 +/- 18.31 53 167 27 3 0 -460.32 +/- 67.69
211269 ncm-dbt-05 1217331 500 25 289 186 -204.07 +/- 18.46 53 160 35 2 0 -429.05 +/- 59.28
211268 ncm-dbt-03 1239022 500 29 295 176 -206.0 +/- 18.93 56 156 36 2 0 -424.28 +/- 58.4
211267 ncm-dbt-01 1098182 500 27 288 185 -201.19 +/- 18.04 50 163 35 2 0 -429.05 +/- 59.28
211266 ncm-dbt-02 1233935 500 22 291 187 -208.92 +/- 19.16 58 155 35 2 0 -429.05 +/- 59.28
211265 ncm-dbt-05 1228944 500 25 296 179 -210.88 +/- 17.62 53 165 32 0 0 -466.03 +/- 62.14
211264 ncm-dbt-03 1246882 500 26 288 186 -202.15 +/- 18.56 53 158 37 2 0 -419.61 +/- 57.55
211263 ncm-dbt-01 1103484 500 23 298 179 -214.84 +/- 19.02 59 159 30 2 0 -454.76 +/- 64.37
211262 ncm-dbt-02 1224474 500 27 297 176 -209.9 +/- 20.61 64 146 36 4 0 -406.2 +/- 58.04
211261 ncm-dbt-05 1237516 500 25 291 184 -206.0 +/- 18.55 55 157 37 1 0 -429.05 +/- 57.55
211260 ncm-dbt-03 1231541 500 22 282 196 -200.24 +/- 16.68 44 173 32 1 0 -454.76 +/- 62.27
211259 ncm-dbt-01 1096386 500 22 288 190 -206.0 +/- 17.74 51 165 33 1 0 -449.35 +/- 61.23
211258 ncm-dbt-02 1228657 500 25 283 192 -198.34 +/- 18.0 49 162 37 2 0 -419.61 +/- 57.55
211257 ncm-dbt-05 1228041 500 20 277 203 -197.39 +/- 17.86 47 166 34 3 0 -424.28 +/- 60.03
211256 ncm-dbt-03 1233054 500 18 285 197 -206.97 +/- 17.47 50 168 31 1 0 -460.32 +/- 63.35
211255 ncm-dbt-01 1084120 500 21 290 189 -208.92 +/- 19.73 59 155 32 4 0 -424.28 +/- 61.62
211254 ncm-dbt-02 1232996 500 26 304 170 -217.85 +/- 21.73 71 140 36 2 1 -415.05 +/- 58.26
211253 ncm-dbt-05 1236518 500 25 309 166 -223.94 +/- 19.47 66 152 32 0 0 -466.03 +/- 62.14
211252 ncm-dbt-01 1092374 500 27 290 183 -203.11 +/- 18.7 53 160 34 3 0 -424.28 +/- 60.03
211251 ncm-dbt-03 1249546 500 28 299 173 -210.88 +/- 20.2 62 151 33 4 0 -419.61 +/- 60.67
211250 ncm-dbt-05 1209860 500 24 302 174 -217.85 +/- 19.64 61 159 28 1 1 -466.04 +/- 66.79
211249 ncm-dbt-02 1225357 500 23 279 198 -196.45 +/- 18.1 49 160 39 2 0 -410.58 +/- 55.96
211248 ncm-dbt-03 1212233 500 35 287 178 -192.7 +/- 18.83 52 150 46 2 0 -381.7 +/- 51.25
211247 ncm-dbt-01 1119181 500 30 294 176 -204.07 +/- 19.41 57 153 37 3 0 -410.58 +/- 57.43
211246 ncm-dbt-05 1229276 500 22 298 180 -215.84 +/- 18.75 59 159 31 1 0 -460.32 +/- 63.35
211245 ncm-dbt-02 1233634 500 28 297 175 -208.93 +/- 20.29 61 151 35 2 1 -419.61 +/- 59.12
211244 ncm-dbt-03 1240449 500 21 302 177 -220.88 +/- 20.65 69 145 34 2 0 -433.94 +/- 60.2
211243 ncm-dbt-01 1096551 500 17 299 184 -221.89 +/- 18.11 59 164 27 0 0 -497.39 +/- 68.26
211242 ncm-dbt-05 1231373 500 20 292 188 -211.87 +/- 19.58 63 146 41 0 0 -419.6 +/- 54.3
211241 ncm-dbt-02 1223612 500 29 287 184 -198.34 +/- 18.76 53 154 41 2 0 -401.92 +/- 54.49
211240 ncm-dbt-01 1110641 500 25 277 198 -192.7 +/- 15.51 36 181 32 1 0 -454.76 +/- 62.27
211239 ncm-dbt-03 1225116 500 22 303 175 -220.88 +/- 19.25 63 156 30 1 0 -466.04 +/- 64.5
178222 ncm-dbt-06 1492638 166 10 98 58 -205.09 +/- 33.81 19 51 12 1 0 -414.29 +/- 107.69
178221 ncm-dbt-02 1492321 170 9 102 59 -213.38 +/- 34.15 21 52 11 1 0 -432.78 +/- 113.73
178220 ncm-dbt-01 1481815 166 7 96 63 -208.0 +/- 29.24 16 57 10 0 0 -477.22 +/- 121.89
178219 ncm-dbt-05 1491551 164 7 96 61 -211.21 +/- 34.74 19 53 8 2 0 -441.06 +/- 133.4
178218 ncm-dbt-03 1505346 166 5 101 60 -229.26 +/- 35.64 24 48 11 0 0 -459.54 +/- 114.31
178217 ncm-dbt-04 1484321 168 8 96 64 -202.05 +/- 33.62 19 51 13 1 0 -403.44 +/- 102.58

Commit

Commit ID f27339d35b6c8ccd1f83914b334c89111e62f320
Author Guenther Demetz
Date 2020-03-01 08:20:31 UTC
Simplify lowply-history logic Don't restrict usage to ttPv nodes exclusively STC: http://tests.stockfishchess.org/tests/view/5e5634f284a82b4acd41499a LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 152796 W: 29146 L: 29178 D: 94472 Ptnml(0-2): 2590, 17792, 35628, 17836, 2552 LTC: http://tests.stockfishchess.org/tests/view/5e575d4984a82b4acd4149e8 LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 20078 W: 2688 L: 2587 D: 14803 Ptnml(0-2): 139, 1914, 5853, 1973, 160 closes https://github.com/official-stockfish/Stockfish/pull/2565 bench: 4923286
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