Dev Builds » 20200916-1900

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 06:42:54 582296 4000 198 1933 1869 -161.39 ± 4.45 101 1542 348 9 0 -398.76 ± 18.28
ncm-dbt-02 06:43:35 586768 3992 199 1916 1877 -159.83 ± 4.53 95 1546 336 19 0 -394.24 ± 18.63
ncm-dbt-03 06:43:19 587013 4014 195 1942 1877 -162.02 ± 4.43 96 1570 326 15 0 -404.72 ± 18.91
ncm-dbt-04 06:42:39 567242 4000 196 1936 1868 -161.92 ± 4.57 108 1540 336 16 0 -397.72 ± 18.63
ncm-dbt-05 06:43:11 580151 3994 203 1922 1869 -159.95 ± 4.67 108 1524 344 21 0 -388.27 ± 18.41
20000 991 9649 9360 -161.02 ± 2.03 508 7722 1690 80 0 -396.68 ± 8.29

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
448111 ncm-dbt-03 585169 14 2 6 6 -102.04 ± 70.73 0 4 3 0 0 -225.59 ± 263.0
448110 ncm-dbt-02 588472 492 16 239 237 -169.82 ± 11.93 12 200 33 1 0 -446.34 ± 61.23
448109 ncm-dbt-05 579372 494 29 239 226 -157.7 ± 13.62 17 176 54 0 0 -364.42 ± 46.77
448108 ncm-dbt-01 582068 500 19 243 238 -167.53 ± 12.45 12 203 32 3 0 -433.94 ± 61.95
448107 ncm-dbt-04 566138 500 24 230 246 -152.18 ± 12.53 8 193 46 3 0 -374.11 ± 51.25
448106 ncm-dbt-03 585548 500 27 246 227 -163.21 ± 11.58 9 202 38 1 0 -424.28 ± 56.73
448105 ncm-dbt-02 583321 500 23 239 238 -160.64 ± 13.13 11 199 35 5 0 -401.92 ± 58.57
448104 ncm-dbt-05 577766 500 23 252 225 -171.9 ± 13.28 18 195 35 2 0 -429.05 ± 59.28
448103 ncm-dbt-04 565823 500 24 237 239 -158.08 ± 13.68 14 189 43 4 0 -377.87 ± 52.99
448102 ncm-dbt-01 581153 500 26 237 237 -156.39 ± 12.73 12 188 49 1 0 -377.87 ± 49.47
448101 ncm-dbt-03 586520 500 22 240 238 -162.35 ± 13.66 17 186 45 2 0 -385.59 ± 51.85
448100 ncm-dbt-05 579826 500 27 227 246 -147.19 ± 12.98 8 188 50 4 0 -352.8 ± 49.02
448099 ncm-dbt-04 566138 500 25 247 228 -165.79 ± 14.29 19 188 39 4 0 -393.6 ± 55.71
448098 ncm-dbt-02 587409 500 27 240 233 -158.08 ± 12.41 10 195 43 2 0 -393.6 ± 53.12
448097 ncm-dbt-01 581028 500 23 231 246 -153.86 ± 12.65 10 190 48 2 0 -374.11 ± 50.1
448096 ncm-dbt-03 586266 500 22 234 244 -157.23 ± 12.68 12 189 48 1 0 -381.7 ± 50.02
448095 ncm-dbt-05 580447 500 22 240 238 -162.35 ± 14.66 18 188 38 6 0 -381.7 ± 55.94
448094 ncm-dbt-04 568315 500 25 249 226 -167.53 ± 11.97 13 198 39 0 0 -429.05 ± 55.79
448093 ncm-dbt-02 586435 500 30 238 232 -153.86 ± 12.87 10 191 46 3 0 -374.11 ± 51.25
448092 ncm-dbt-01 581319 500 27 245 228 -162.35 ± 12.12 12 194 44 0 0 -406.2 ± 52.26
448091 ncm-dbt-03 587325 500 26 233 241 -153.02 ± 13.12 10 191 45 4 0 -370.41 ± 51.77
448090 ncm-dbt-05 582402 500 22 242 236 -164.07 ± 12.92 13 197 37 3 0 -410.58 ± 57.43
448089 ncm-dbt-04 567126 500 26 246 228 -164.07 ± 13.35 17 187 45 1 0 -393.6 ± 51.79
448088 ncm-dbt-02 584159 500 26 239 235 -158.08 ± 13.27 13 190 44 3 0 -381.7 ± 52.45
448087 ncm-dbt-01 586393 500 23 243 234 -164.07 ± 12.69 15 190 45 0 0 -401.91 ± 51.63
448086 ncm-dbt-03 586901 500 29 240 231 -156.39 ± 13.36 12 191 43 4 0 -377.87 ± 52.99
448085 ncm-dbt-02 587919 500 27 242 231 -159.78 ± 12.75 13 190 46 1 0 -389.56 ± 51.18
448084 ncm-dbt-05 578547 500 29 237 234 -153.86 ± 13.08 11 189 47 3 0 -370.41 ± 50.67
448083 ncm-dbt-04 567165 500 27 243 230 -160.64 ± 12.91 13 192 43 2 0 -393.6 ± 53.12
448082 ncm-dbt-03 589924 500 18 252 230 -176.32 ± 11.44 13 209 27 1 0 -484.25 ± 68.34
448081 ncm-dbt-01 582318 500 22 239 239 -161.49 ± 11.22 8 201 41 0 0 -419.6 ± 54.3
448080 ncm-dbt-02 588984 500 26 246 228 -164.07 ± 12.92 15 191 43 1 0 -401.92 ± 53.07
448079 ncm-dbt-03 586054 500 26 241 233 -159.78 ± 11.6 8 200 41 1 0 -410.58 ± 54.45
448078 ncm-dbt-04 566809 500 24 235 241 -156.38 ± 11.83 9 193 48 0 0 -389.55 ± 49.86
448077 ncm-dbt-05 580199 500 23 242 235 -163.21 ± 12.53 12 197 39 2 0 -410.58 ± 55.96
448076 ncm-dbt-01 585421 500 26 250 224 -167.53 ± 13.99 20 186 42 2 0 -397.72 ± 53.79
448075 ncm-dbt-05 582652 500 28 243 229 -159.78 ± 12.3 11 194 44 1 0 -397.72 ± 52.42
448074 ncm-dbt-01 578671 500 32 245 223 -158.08 ± 12.63 12 190 47 1 0 -385.59 ± 50.59
448073 ncm-dbt-02 587452 500 24 233 243 -154.7 ± 13.03 11 190 46 3 0 -374.11 ± 51.25
448072 ncm-dbt-03 589411 500 23 250 227 -170.15 ± 12.49 15 198 36 1 0 -433.94 ± 58.41
448071 ncm-dbt-04 570428 500 21 249 230 -171.02 ± 12.65 15 200 33 2 0 -438.95 ± 61.17

Commit

Commit ID d86663af141f1256bfc32ab95891e944d84e8755
Author syzygy1
Date 2020-09-16 19:00:14 UTC
Improve NDK section in Makefile This PR sets the "comp" variable simply to "clang", which seems to be more consistent and allows a small simplification. The PR also moves the section that sets "profile_make" and "profile_use" to after the NDK section, which ensures that these variables are now set correctly for NDK/clang. closes https://github.com/official-stockfish/Stockfish/pull/3121 No functional change
Copyright 2011–2026 Next Chess Move LLC