Dev Builds » 20200830-1217

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. 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 06:30:54 582507 4018 186 1995 1837 -168.5 ± 4.49 125 1567 309 8 0 -422.2 ± 19.42
ncm-dbt-02 06:28:34 586087 4000 160 1979 1861 -170.48 ± 4.39 119 1589 284 8 0 -436.43 ± 20.27
ncm-dbt-03 06:28:45 584986 4000 151 1987 1862 -172.34 ± 4.47 126 1597 264 13 0 -442.79 ± 21.03
ncm-dbt-04 06:28:57 565235 4000 167 1967 1866 -168.4 ± 4.35 110 1588 294 8 0 -430.27 ± 19.92
ncm-dbt-05 06:30:43 581219 3982 164 1995 1823 -172.7 ± 4.62 138 1570 268 15 0 -436.84 ± 20.87
20000 828 9923 9249 -170.48 ± 2.0 618 7911 1419 52 0 -433.57 ± 9.04

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
440066 ncm-dbt-01 582027 18 3 10 5 -142.52 ± 86.69 1 5 3 0 0 -279.47 ± 313.13
440065 ncm-dbt-05 582527 482 16 236 230 -171.21 ± 12.78 16 188 37 0 0 -432.05 ± 57.38
440064 ncm-dbt-02 586858 500 22 257 221 -177.21 ± 12.87 20 195 35 0 0 -449.34 ± 59.17
440063 ncm-dbt-04 563392 500 26 244 230 -162.35 ± 12.12 11 197 41 1 0 -410.58 ± 54.45
440062 ncm-dbt-03 587919 500 16 247 237 -173.66 ± 12.44 16 200 33 1 0 -449.35 ± 61.23
440061 ncm-dbt-01 581985 500 18 246 236 -171.02 ± 12.18 14 201 34 1 0 -444.09 ± 60.25
440060 ncm-dbt-05 585674 500 20 250 230 -172.78 ± 14.51 22 190 34 4 0 -415.05 ± 59.75
440059 ncm-dbt-04 566770 500 23 246 231 -166.66 ± 12.28 13 198 38 1 0 -424.28 ± 56.73
440058 ncm-dbt-03 585843 500 18 240 242 -165.79 ± 12.8 15 193 41 1 0 -410.58 ± 54.45
440057 ncm-dbt-02 586223 500 18 241 241 -166.66 ± 13.19 16 193 39 2 0 -410.58 ± 55.96
440056 ncm-dbt-01 583154 500 22 254 224 -174.55 ± 12.85 19 194 37 0 0 -438.94 ± 57.41
440055 ncm-dbt-05 580240 500 27 252 221 -168.4 ± 13.29 17 193 38 2 0 -415.05 ± 56.74
440054 ncm-dbt-04 560904 500 22 242 236 -164.07 ± 12.47 13 195 41 1 0 -410.58 ± 54.45
440053 ncm-dbt-03 582027 500 18 255 227 -179.0 ± 11.96 15 209 24 2 0 -490.71 ± 72.58
440052 ncm-dbt-02 586520 500 22 246 232 -167.53 ± 12.21 14 196 40 0 0 -424.27 ± 55.03
440051 ncm-dbt-01 585295 500 22 252 226 -172.78 ± 11.78 14 202 34 0 0 -454.75 ± 60.11
440050 ncm-dbt-05 581610 500 18 251 231 -175.43 ± 13.47 18 201 27 4 0 -449.35 ± 67.15
440049 ncm-dbt-03 582778 500 14 248 238 -176.32 ± 12.21 17 200 33 0 0 -460.31 ± 61.1
440048 ncm-dbt-04 563119 500 20 244 236 -167.53 ± 11.73 10 206 32 2 0 -444.09 ± 62.18
440047 ncm-dbt-02 585253 500 15 247 238 -174.55 ± 11.08 11 211 27 1 0 -484.25 ± 68.34
440046 ncm-dbt-01 581818 500 14 251 235 -179.0 ± 12.72 18 203 27 2 0 -471.92 ± 68.11
440045 ncm-dbt-05 580904 500 16 256 228 -181.7 ± 11.69 16 209 24 1 0 -504.32 ± 72.94
440044 ncm-dbt-03 587240 500 21 244 235 -166.66 ± 12.51 14 196 39 1 0 -419.61 ± 55.94
440043 ncm-dbt-04 566572 500 21 238 241 -161.49 ± 12.64 14 189 47 0 0 -393.59 ± 50.43
440042 ncm-dbt-02 586774 500 21 253 226 -174.55 ± 12.85 18 197 34 1 0 -444.09 ± 60.25
440041 ncm-dbt-01 582152 500 25 244 231 -163.21 ± 13.61 17 187 44 2 0 -389.56 ± 52.48
440040 ncm-dbt-03 585126 500 24 247 229 -166.66 ± 12.97 13 201 32 4 0 -424.28 ± 61.62
440039 ncm-dbt-04 564135 500 24 245 231 -164.93 ± 11.69 10 202 37 1 0 -429.05 ± 57.55
440038 ncm-dbt-05 583992 500 28 247 225 -163.21 ± 13.4 17 186 46 1 0 -389.56 ± 51.18
440037 ncm-dbt-02 587579 500 25 244 231 -163.21 ± 12.97 14 193 41 2 0 -401.92 ± 54.49
440036 ncm-dbt-01 582527 500 31 241 228 -155.54 ± 13.4 14 184 50 2 0 -366.78 ± 49.02
440035 ncm-dbt-04 569549 500 16 255 229 -180.8 ± 13.28 21 199 28 2 0 -466.04 ± 66.79
440034 ncm-dbt-03 582569 500 14 249 237 -177.21 ± 13.34 19 200 28 3 0 -454.76 ± 66.42
440033 ncm-dbt-05 575394 500 19 255 226 -178.11 ± 13.95 22 195 30 3 0 -444.09 ± 64.08
440032 ncm-dbt-02 585042 500 18 240 242 -165.79 ± 12.57 14 195 40 1 0 -415.05 ± 55.18
440031 ncm-dbt-01 579620 500 28 251 221 -166.66 ± 12.04 13 197 40 0 0 -424.27 ± 55.03
440030 ncm-dbt-03 586393 500 26 257 217 -173.66 ± 12.68 17 198 34 1 0 -444.09 ± 60.25
440029 ncm-dbt-04 567442 500 15 253 232 -179.9 ± 12.14 18 202 30 0 0 -477.98 ± 64.39
440028 ncm-dbt-02 584453 500 19 251 230 -174.55 ± 11.35 12 209 28 1 0 -477.99 ± 66.98
440027 ncm-dbt-05 579413 500 20 248 232 -171.02 ± 10.89 10 208 32 0 0 -466.03 ± 62.14
440026 ncm-dbt-01 583992 500 23 246 231 -166.66 ± 12.74 15 194 40 1 0 -415.05 ± 55.18

Commit

Commit ID 9b5b9ec9a6a3a0e46ac00f58976887560948a7e2
Author VoyagerOne
Date 2020-08-30 12:17:23 UTC
QS Pruning Simplification Remove depth dependence in QS pruning STC: LLR: 2.95 (-2.94,2.94) {-1.25,0.25} Total: 40536 W: 4442 L: 4358 D: 31736 Ptnml(0-2): 209, 3330, 13118, 3390, 221 https://tests.stockfishchess.org/tests/view/5f49035b3def6407861152f9 LTC: LLR: 2.95 (-2.94,2.94) {-0.75,0.25} Total: 97104 W: 5164 L: 5130 D: 86810 Ptnml(0-2): 103, 4478, 39377, 4470, 124 https://tests.stockfishchess.org/tests/view/5f4939d53def640786115322 closes https://github.com/official-stockfish/Stockfish/pull/3077 Bench: 3865238
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