Dev Builds » 20220412-1543

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 10:04:51 1226374 3330 1239 437 1654 +85.35 +/- 5.63 2 98 685 856 24 +176.53 +/- 13.0
ncm-dbt-02 10:00:56 1236716 3302 1212 400 1690 +87.23 +/- 5.86 2 108 653 852 36 +177.77 +/- 13.33
ncm-dbt-03 10:06:25 1276631 3332 1242 449 1641 +84.3 +/- 5.8 3 121 642 880 20 +175.34 +/- 13.45
ncm-dbt-04 10:04:57 1259936 3354 1280 449 1625 +87.91 +/- 5.74 1 109 655 882 30 +180.91 +/- 13.31
ncm-dbt-05 10:00:58 1263474 3322 1266 438 1618 +88.46 +/- 5.7 1 99 662 869 30 +182.17 +/- 13.23
ncm-dbt-06 10:05:59 1261623 3360 1259 435 1666 +86.98 +/- 5.66 0 105 675 871 29 +178.65 +/- 13.11
20000 7498 2608 9894 +86.7 +/- 2.34 9 640 3972 5210 169 +178.56 +/- 5.4

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
204522 ncm-dbt-02 1190613 136 52 20 64 +83.31 +/- 23.11 0 1 34 33 0 +177.48 +/- 56.81
204521 ncm-dbt-05 1246903 154 61 17 76 +102.1 +/- 26.81 0 4 27 44 2 +212.59 +/- 67.07
204520 ncm-dbt-01 1200932 164 67 18 79 +107.06 +/- 21.29 0 0 34 47 1 +232.98 +/- 57.4
204519 ncm-dbt-03 1243962 168 52 36 80 +33.19 +/- 24.91 0 12 44 28 0 +67.0 +/- 51.55
204518 ncm-dbt-04 1214569 186 67 23 96 +83.77 +/- 24.94 0 6 40 44 3 +164.44 +/- 54.41
204517 ncm-dbt-06 1215888 192 74 23 95 +94.55 +/- 22.91 0 5 36 54 1 +200.64 +/- 57.67
204516 ncm-dbt-02 1195232 500 182 48 270 +95.44 +/- 13.79 0 9 102 135 4 +200.24 +/- 33.67
204515 ncm-dbt-05 1220541 500 195 71 234 +88.0 +/- 14.27 0 15 98 135 2 +185.33 +/- 34.57
204514 ncm-dbt-01 1195447 500 194 59 247 +96.19 +/- 14.71 0 13 95 136 6 +198.34 +/- 35.12
204513 ncm-dbt-03 1244698 500 175 73 252 +71.88 +/- 14.8 0 21 109 117 3 +145.54 +/- 32.74
204512 ncm-dbt-04 1238592 500 186 75 239 +78.43 +/- 14.74 0 19 104 124 3 +160.64 +/- 33.54
204511 ncm-dbt-06 1241593 500 187 67 246 +85.04 +/- 14.05 0 13 107 127 3 +176.33 +/- 32.93
204510 ncm-dbt-02 1194937 500 176 65 259 +78.43 +/- 15.55 0 23 98 124 5 +157.24 +/- 34.53
204509 ncm-dbt-05 1228667 500 193 76 231 +82.83 +/- 15.14 1 15 106 122 6 +167.53 +/- 33.17
204508 ncm-dbt-03 1243862 500 192 66 242 +89.48 +/- 14.3 0 13 102 131 4 +185.33 +/- 33.81
204507 ncm-dbt-01 1179695 500 187 59 254 +90.96 +/- 14.91 0 17 92 137 4 +189.0 +/- 35.7
204506 ncm-dbt-04 1225315 500 189 62 249 +90.22 +/- 14.01 0 11 105 130 4 +187.16 +/- 33.21
204505 ncm-dbt-06 1226218 500 196 72 232 +88.0 +/- 14.99 0 18 94 134 4 +181.7 +/- 35.31
204504 ncm-dbt-02 1197202 500 173 62 265 +78.43 +/- 15.55 0 25 92 130 3 +160.64 +/- 35.53
204503 ncm-dbt-05 1226247 500 185 54 261 +93.2 +/- 14.51 0 14 95 137 4 +194.57 +/- 35.13
204502 ncm-dbt-03 1254296 500 191 70 239 +85.78 +/- 15.62 1 19 93 132 5 +176.33 +/- 35.47
204501 ncm-dbt-04 1222863 500 181 73 246 +76.25 +/- 16.01 0 28 90 128 4 +153.86 +/- 35.78
204500 ncm-dbt-01 1199919 500 176 72 252 +73.34 +/- 14.99 1 20 105 122 2 +152.18 +/- 33.38
204499 ncm-dbt-06 1232575 500 184 62 254 +86.52 +/- 15.37 0 20 93 132 5 +176.33 +/- 35.47
204498 ncm-dbt-02 1199676 500 189 66 245 +87.26 +/- 15.52 2 14 99 129 6 +179.9 +/- 34.4
204497 ncm-dbt-03 1249131 500 194 60 246 +95.44 +/- 13.94 0 12 94 142 2 +204.07 +/- 35.31
204496 ncm-dbt-05 1231732 500 185 68 247 +82.83 +/- 15.28 0 20 98 127 5 +167.53 +/- 34.57
204495 ncm-dbt-04 1209521 500 189 64 247 +88.74 +/- 15.28 0 19 92 134 5 +181.7 +/- 35.67
204494 ncm-dbt-01 1180691 500 182 67 251 +81.36 +/- 15.1 0 19 102 124 5 +164.07 +/- 33.88
204493 ncm-dbt-06 1232178 500 176 57 267 +84.3 +/- 14.9 0 18 99 129 4 +172.78 +/- 34.4
204492 ncm-dbt-02 1194945 500 181 65 254 +82.1 +/- 15.66 0 21 99 123 7 +162.35 +/- 34.39
204491 ncm-dbt-01 1212601 500 183 71 246 +79.17 +/- 13.75 1 10 117 120 2 +165.8 +/- 31.17
204490 ncm-dbt-05 1225548 500 188 59 253 +91.71 +/- 14.34 0 13 99 134 4 +190.85 +/- 34.36
204489 ncm-dbt-06 1218441 500 189 75 236 +80.63 +/- 15.08 0 16 112 114 8 +157.24 +/- 32.18
204488 ncm-dbt-03 1233526 500 185 52 263 +94.7 +/- 15.54 1 18 82 145 4 +200.24 +/- 37.67
204487 ncm-dbt-04 1248772 500 210 71 219 +99.2 +/- 14.45 1 9 95 140 5 +209.91 +/- 35.06
204486 ncm-dbt-02 1204454 500 199 53 248 +104.49 +/- 15.1 0 12 89 140 9 +213.85 +/- 36.34
204485 ncm-dbt-01 1142983 500 190 68 242 +86.52 +/- 14.23 0 13 106 127 4 +178.11 +/- 33.1
204484 ncm-dbt-05 1229428 500 195 70 235 +88.74 +/- 14.86 0 14 104 125 7 +178.11 +/- 33.48
204483 ncm-dbt-04 1226610 500 201 63 236 +98.44 +/- 14.44 0 11 96 137 6 +204.07 +/- 34.89
204482 ncm-dbt-03 1244694 500 191 70 239 +85.78 +/- 15.08 1 19 89 140 1 +183.51 +/- 36.22
204481 ncm-dbt-06 1224382 500 187 55 258 +93.95 +/- 13.92 0 12 96 140 2 +200.24 +/- 34.91
177439 ncm-dbt-05 1498728 168 64 23 81 +86.53 +/- 23.25 0 4 35 45 0 +185.38 +/- 58.22
177438 ncm-dbt-01 1498726 166 60 23 83 +78.76 +/- 24.66 0 6 34 43 0 +166.57 +/- 59.29
177437 ncm-dbt-04 1493252 168 57 18 93 +82.15 +/- 24.62 0 6 33 45 0 +174.68 +/- 60.25
177436 ncm-dbt-02 1516669 166 60 21 85 +83.17 +/- 24.09 0 3 40 38 2 +166.57 +/- 53.38
177435 ncm-dbt-03 1498886 164 62 22 80 +86.48 +/- 26.73 0 7 29 45 1 +179.73 +/- 64.2
177434 ncm-dbt-06 1501712 168 66 24 78 +88.73 +/- 24.12 0 3 38 41 2 +179.99 +/- 55.2

Commit

Commit ID 19a90b45bceb69aa62b5c85366343a7d1cfc695f
Author Topologist
Date 2022-04-12 15:43:50 UTC
Use NNUE in low piece endgames close to the root. This patch enforces that NNUE evaluation is used for endgame positions at shallow depth (depth <= 9). Classic evaluation will still be used for high imbalance positions when the depth is high or there are many pieces. Passed STC: https://tests.stockfishchess.org/tests/view/624c193b3a8a6ac93892dc27 LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 255840 W: 68024 L: 67362 D: 120454 Ptnml(0-2): 1074, 27089, 70926, 27763, 1068 Passed LTC: https://tests.stockfishchess.org/tests/view/624e8675e9e7821808467f77 LLR: 2.94 (-2.94,2.94) <0.50,3.00> Total: 67088 W: 17784 L: 17454 D: 31850 Ptnml(0-2): 45, 6209, 20715, 6521, 54 closes https://github.com/official-stockfish/Stockfish/pull/3978 bench: 6602222
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