Dev Builds » 20240505-1102

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 06:49:01 583648 4000 1489 618 1893 +76.89 ± 5.13 3 133 878 962 24 +157.66 ± 11.47
ncm-dbt-02 06:49:57 587348 4002 1515 559 1928 +84.63 ± 4.89 1 104 844 1042 10 +178.67 ± 11.68
ncm-dbt-03 06:48:38 587201 4000 1453 647 1900 +70.98 ± 4.96 1 139 921 931 8 +146.98 ± 11.17
ncm-dbt-04 06:49:35 572006 4000 1483 571 1946 +80.63 ± 4.94 0 117 868 1001 14 +167.97 ± 11.52
ncm-dbt-05 06:50:37 584692 3998 1437 588 1973 +74.92 ± 4.96 1 131 894 964 9 +155.84 ± 11.35
20000 7377 2983 9640 +77.6 ± 2.23 6 624 4405 4900 65 +161.28 ± 5.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
383223 ncm-dbt-02 586731 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02 ↓
383222 ncm-dbt-05 581485 498 177 78 243 +70.0 ± 14.5 1 19 109 120 0 +147.86 ± 32.72 ↓
383221 ncm-dbt-01 585379 500 193 86 221 +75.52 ± 14.65 0 17 114 114 5 +150.51 ± 31.88 ↓
383220 ncm-dbt-03 586223 500 183 75 242 +76.25 ± 14.25 0 16 113 118 3 +155.54 ± 32.01 ↓
383219 ncm-dbt-02 587622 500 174 60 266 +80.63 ± 14.38 1 13 110 123 3 +167.53 ± 32.45 ↓
383218 ncm-dbt-04 570909 500 175 71 254 +73.33 ± 14.01 0 16 116 116 2 +150.51 ± 31.54 ↓
383217 ncm-dbt-03 588899 500 180 87 233 +65.38 ± 13.86 0 19 119 112 0 +135.76 ± 31.16 ↓
383216 ncm-dbt-05 584243 500 184 65 251 +84.3 ± 14.47 0 16 102 129 3 +174.55 ± 33.86 ↓
383215 ncm-dbt-01 583489 500 182 78 240 +73.34 ± 14.01 0 18 110 122 0 +153.86 ± 32.54 ↓
383214 ncm-dbt-02 588302 500 182 66 252 +82.1 ± 13.68 0 12 112 124 2 +171.02 ± 32.04 ↓
383213 ncm-dbt-04 570108 500 182 65 253 +82.83 ± 14.86 0 20 95 133 2 +172.78 ± 35.1 ↓
383212 ncm-dbt-03 585253 500 185 82 233 +72.61 ± 13.99 0 18 111 121 0 +152.18 ± 32.38 ↓
383211 ncm-dbt-05 588174 500 164 64 272 +70.43 ± 13.32 0 13 125 111 1 +145.54 ± 30.03 ↓
383210 ncm-dbt-01 581943 500 185 80 235 +74.06 ± 15.42 2 18 107 119 4 +152.18 ± 33.05 ↓
383209 ncm-dbt-02 583489 500 198 73 229 +88.74 ± 13.36 0 10 106 133 1 +189.0 ± 32.98 ↓
383208 ncm-dbt-04 572719 500 184 63 253 +85.78 ± 13.92 0 13 105 130 2 +179.9 ± 33.27 ↓
383207 ncm-dbt-03 587664 500 181 79 240 +71.88 ± 14.39 0 21 106 123 0 +150.51 ± 33.22 ↓
383206 ncm-dbt-05 584790 500 193 77 230 +82.1 ± 13.98 0 14 108 126 2 +171.02 ± 32.78 ↓
383205 ncm-dbt-01 585337 500 187 72 241 +81.36 ± 14.82 0 17 106 122 5 +164.07 ± 33.19 ↓
383204 ncm-dbt-02 587367 500 188 78 234 +77.7 ± 14.44 0 19 103 127 1 +162.35 ± 33.71 ↓
383203 ncm-dbt-04 572558 500 185 73 242 +79.17 ± 13.29 0 12 114 124 0 +167.53 ± 31.71 ↓
383202 ncm-dbt-03 587622 500 188 93 219 +66.82 ± 14.2 0 19 119 110 2 +135.76 ± 31.16 ↓
383201 ncm-dbt-05 581777 500 176 75 249 +71.16 ± 13.64 0 15 120 114 1 +147.19 ± 30.88 ↓
383200 ncm-dbt-02 586139 500 206 78 216 +90.96 ± 14.17 0 15 93 141 1 +194.57 ± 35.52 ↓
383199 ncm-dbt-01 583363 500 190 78 232 +79.17 ± 14.76 1 14 112 118 5 +160.64 ± 32.15 ↓
383198 ncm-dbt-04 570669 500 190 76 234 +80.63 ± 14.38 0 13 116 115 6 +160.64 ± 31.43 ↓
383197 ncm-dbt-03 585253 500 180 80 240 +70.43 ± 13.32 0 12 128 108 2 +143.89 ± 29.53 ↓
383196 ncm-dbt-05 587367 500 183 80 237 +72.61 ± 14.41 0 20 108 121 1 +150.51 ± 32.89 ↓
383195 ncm-dbt-02 587240 500 193 74 233 +84.31 ± 12.95 0 9 113 128 0 +179.9 ± 31.72 ↓
383194 ncm-dbt-01 583321 500 182 80 238 +71.88 ± 13.96 0 18 112 120 0 +150.51 ± 32.22 ↓
383193 ncm-dbt-04 572477 500 188 63 249 +88.74 ± 13.98 0 13 101 134 2 +187.16 ± 33.99 ↓
383192 ncm-dbt-03 587070 500 184 76 240 +76.25 ± 13.66 0 14 115 120 1 +158.93 ± 31.63 ↓
383191 ncm-dbt-02 590053 500 188 63 249 +88.74 ± 13.52 0 11 104 134 1 +189.0 ± 33.39 ↓
383190 ncm-dbt-05 585253 500 178 80 242 +68.99 ± 14.28 0 20 113 116 1 +142.26 ± 32.1 ↓
383189 ncm-dbt-04 572880 500 186 79 235 +75.52 ± 13.18 0 12 119 119 0 +158.93 ± 30.91 ↓
383188 ncm-dbt-01 584201 500 190 72 238 +83.57 ± 14.16 0 15 104 129 2 +174.55 ± 33.5 ↓
383187 ncm-dbt-03 589625 500 172 75 253 +68.27 ± 14.54 1 20 110 119 0 +143.89 ± 32.58 ↓
383186 ncm-dbt-02 589197 500 185 67 248 +83.57 ± 14.01 0 15 103 131 1 +176.33 ± 33.67 ↓
383185 ncm-dbt-05 584453 500 182 69 249 +79.9 ± 13.62 0 14 109 127 0 +169.27 ± 32.62 ↓
383184 ncm-dbt-04 573729 500 193 81 226 +79.17 ± 14.19 0 18 102 130 0 +167.53 ± 33.88 ↓
383183 ncm-dbt-01 582152 500 180 72 248 +76.25 ± 14.25 0 16 113 118 3 +155.54 ± 32.01 ↓

Commit

Commit ID d712ed38d1c6c9c76ad375efbd4b8a0469200c0b
Author FauziAkram
Date 2024-05-05 11:02:42 UTC
Simplify shuffling and optimism divisors to constants Shuffling divisor and Optimism divisors passed STC & LTC separately: shuf STC: https://tests.stockfishchess.org/tests/view/66356316b4e9bdbc7228b995 shuf LTC: https://tests.stockfishchess.org/tests/view/6635815a73559a8aa857c1dc opt STC: https://tests.stockfishchess.org/tests/view/66356326b4e9bdbc7228b9a0 opt LTC: https://tests.stockfishchess.org/tests/view/663615c673559a8aa8589f8a And then passed LTC together: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 178278 W: 45039 L: 44979 D: 88260 Ptnml(0-2): 43, 19776, 49460, 19798, 62 https://tests.stockfishchess.org/tests/view/66363f19cdb7cf5da64e22a3 closes https://github.com/official-stockfish/Stockfish/pull/5212 Bench: 2198243
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