Dev Builds » 20240723-1724

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 06:53:11 585085 3994 1481 561 1952 +81.49 ± 4.91 2 106 871 1006 12 +170.89 ± 11.48
ncm-dbt-02 06:53:15 587704 3992 1481 552 1959 +82.36 ± 4.86 2 100 870 1015 9 +173.63 ± 11.48
ncm-dbt-03 06:52:39 586974 4014 1540 525 1949 +89.8 ± 4.86 1 95 810 1090 11 +191.19 ± 11.94
ncm-dbt-04 06:52:25 568672 4000 1499 546 1955 +84.4 ± 4.83 0 97 865 1026 12 +177.44 ± 11.51
ncm-dbt-05 06:52:15 585948 4000 1528 627 1845 +79.63 ± 4.87 3 102 896 989 10 +167.1 ± 11.3
20000 7529 2811 9660 +83.53 ± 2.18 8 500 4312 5126 54 +175.97 ± 5.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
371236 ncm-dbt-03 587197 14 5 2 7 +75.6 ± 101.52 0 1 2 4 0 +159.18 ± 377.67
371235 ncm-dbt-02 587155 492 178 69 245 +78.27 ± 14.02 0 13 114 116 3 +160.17 ± 31.72
371234 ncm-dbt-01 585421 494 194 74 226 +86.12 ± 13.41 0 10 108 128 1 +182.51 ± 32.61
371233 ncm-dbt-04 566414 500 195 64 241 +93.2 ± 13.6 0 11 98 140 1 +200.24 ± 34.5
371232 ncm-dbt-05 587792 500 192 84 224 +76.25 ± 13.51 0 13 117 119 1 +158.93 ± 31.27
371231 ncm-dbt-03 589112 500 200 72 228 +90.97 ± 13.72 0 13 96 141 0 +196.45 ± 34.93
371230 ncm-dbt-02 587240 500 181 65 254 +82.1 ± 13.52 0 12 111 126 1 +172.78 ± 32.21
371229 ncm-dbt-05 588686 500 196 84 220 +79.17 ± 13.45 2 7 118 123 0 +171.02 ± 30.89
371228 ncm-dbt-01 584916 500 188 80 232 +76.25 ± 13.81 0 16 110 124 0 +160.64 ± 32.5
371227 ncm-dbt-04 570629 500 198 67 235 +93.2 ± 13.91 0 12 97 139 2 +198.34 ± 34.72
371226 ncm-dbt-03 586604 500 192 59 249 +94.69 ± 13.62 0 9 102 136 3 +200.24 ± 33.67
371225 ncm-dbt-02 585211 500 181 65 254 +82.1 ± 13.21 0 9 118 121 2 +171.02 ± 30.89
371224 ncm-dbt-01 584579 500 192 69 239 +87.26 ± 13.17 0 9 110 130 1 +185.33 ± 32.23
371223 ncm-dbt-05 584748 500 187 73 240 +80.63 ± 14.23 1 14 106 128 1 +171.02 ± 33.15
371222 ncm-dbt-04 571150 500 187 73 240 +80.63 ± 13.79 0 13 112 123 2 +167.53 ± 32.08
371221 ncm-dbt-03 586266 500 188 68 244 +85.04 ± 13.9 0 15 100 135 0 +181.7 ± 34.21
371220 ncm-dbt-01 585379 500 192 67 241 +88.74 ± 14.28 2 9 103 134 2 +190.85 ± 33.57
371219 ncm-dbt-02 588217 500 189 68 243 +85.78 ± 13.61 0 13 103 134 0 +183.51 ± 33.63
371218 ncm-dbt-05 585801 500 194 80 226 +80.63 ± 12.86 0 8 121 120 1 +169.27 ± 30.34
371217 ncm-dbt-04 566770 500 179 68 253 +78.44 ± 13.73 0 15 109 126 0 +165.8 ± 32.64
371216 ncm-dbt-03 587113 500 191 63 246 +90.96 ± 14.32 0 15 94 139 2 +192.71 ± 35.33
371215 ncm-dbt-01 584411 500 172 82 246 +63.23 ± 14.47 0 22 118 108 2 +127.76 ± 31.37
371214 ncm-dbt-02 586350 500 192 76 232 +82.1 ± 13.52 0 11 114 123 2 +171.02 ± 31.66
371213 ncm-dbt-04 568752 500 184 70 246 +80.63 ± 13.94 0 13 113 121 3 +165.8 ± 31.92
371212 ncm-dbt-05 586562 500 185 71 244 +80.63 ± 14.8 0 20 98 130 2 +167.53 ± 34.57
371211 ncm-dbt-03 584748 500 199 69 232 +92.45 ± 13.27 0 9 103 137 1 +198.34 ± 33.48
371210 ncm-dbt-02 589326 500 193 76 231 +82.83 ± 13.07 0 10 113 127 0 +176.33 ± 31.78
371209 ncm-dbt-01 583698 500 187 61 252 +89.48 ± 14.0 0 14 97 138 1 +190.85 ± 34.75
371208 ncm-dbt-05 586393 500 194 81 225 +79.9 ± 14.21 0 14 113 119 4 +162.35 ± 31.95
371207 ncm-dbt-04 568116 500 191 71 238 +85.04 ± 13.9 0 14 103 132 1 +179.9 ± 33.65
371206 ncm-dbt-03 585379 500 180 55 265 +88.74 ± 13.68 0 11 105 132 2 +187.16 ± 33.21
371205 ncm-dbt-02 589497 500 183 66 251 +82.84 ± 14.44 1 16 98 135 0 +178.11 ± 34.58
371204 ncm-dbt-04 567284 500 193 64 243 +91.71 ± 13.57 0 9 106 132 3 +192.71 ± 32.93
371203 ncm-dbt-05 584537 500 189 70 241 +84.3 ± 13.58 0 12 108 129 1 +178.11 ± 32.72
371202 ncm-dbt-01 585717 500 181 63 256 +83.57 ± 14.45 0 15 106 125 4 +171.02 ± 33.15
371201 ncm-dbt-03 587622 500 186 66 248 +85.04 ± 13.6 0 13 104 133 0 +181.7 ± 33.45
371200 ncm-dbt-01 586562 500 175 65 260 +77.7 ± 13.25 0 11 119 119 1 +162.35 ± 30.85
371199 ncm-dbt-02 588643 500 184 67 249 +82.83 ± 14.58 1 16 99 133 1 +176.33 ± 34.4
371198 ncm-dbt-04 570268 500 172 69 259 +72.61 ± 12.77 0 10 127 113 0 +152.18 ± 29.55
371197 ncm-dbt-03 588728 500 199 71 230 +90.97 ± 14.02 1 9 104 133 3 +192.71 ± 33.34
371196 ncm-dbt-05 583070 500 191 84 225 +75.52 ± 13.49 0 14 115 121 0 +158.93 ± 31.63

Commit

Commit ID bb4b01e3063d5ad19679d51140d8e9f0599ac538
Author Shahin M. Shahin
Date 2024-07-23 17:24:00 UTC
Fix TB guard even if beta is below TB range, once we return probcutBeta with beta + 390 we can return wrong TB value, and guard against ttData.value being `VALUE_NONE` closes https://github.com/official-stockfish/Stockfish/pull/5499 bench: 1440277
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