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Progress Tracking

Arseniy Surkov edited this page Dec 7, 2025 · 4 revisions

This page tracks measurable progress over time using the distributed testing framework at recklesschess.space.

Metrics Explained

Metric Description
Elo ± σ Estimated Elo difference relative to baseline with uncertainty
nElo Normalized Elo to the case where the draw → 0, in the simple case: Elo / sqrt(1 - draw_rate)
Ptnml Pentanomial distribution of game pairs: (LL, LD, DD, WD, WW)
Pairs Ratio Won/lost ratio of game pairs
Draw Ratio Fraction of games that were drawn

Test Configuration

  • STC 8.0+0.08s, 1 thread, 16MB hash
  • LTC 40.0+0.4s, 1 thread, 64MB hash
  • UHO_Lichess_4852_v1.epd opening book

Current Test Results (v0.9.0-dev)

The base for all tests below is Reckless v0.8.0.

Date STC LTC Notes
2025-12-06 Elo: 30.09 ± 2.56
nElo: 56.71 ± 4.80
Ptnml: 59, 1751, 4800, 3267, 169
Pairs Ratio: 1.90
Draw Ratio: 0.48
Elo: 31.38 ± 3.35
nElo: 64.29 ± 6.81
Ptnml: 5, 782, 2540, 1655, 19
Pairs Ratio: 2.13
Draw Ratio: 0.51
main vs. v0.8.0
[differences] 166
2025-11-09 Elo: 26.52 ± 2.51
nElo: 51.10 ± 4.81
Ptnml: 54, 1776, 4891, 3200, 106
Pairs Ratio: 1.81
Draw Ratio: 0.49
Elo: 21.18 ± 3.33
nElo: 43.43 ± 6.81
Ptnml: 4, 896, 2599, 1491, 11
Pairs Ratio: 1.67
Draw Ratio: 0.52
main vs. v0.8.0
[differences] 116
2025-10-02 Elo: 16.75 ± 2.52
nElo: 32.04 ± 4.80
Ptnml: 53, 2034, 4976, 2881, 114
Pairs Ratio: 1.44
Draw Ratio: 0.49
Elo: 17.05 ± 3.34
nElo: 34.81 ± 6.80
Ptnml: 3, 960, 2606, 1436, 11
Pairs Ratio: 1.50
Draw Ratio: 0.52
main vs. v0.8.0
[differences] 62

Historical Test Results (prior to v0.8.0)

The base for all tests below is commit 268e9385de8f3ca5f1834a2e44878493497ede82.

Date STC LTC Notes
2025-09-07 Elo: 153.19 ± 2.76
nElo: 303.48 ± 4.81
Ptnml: 15, 244, 2445, 6079, 1259
Pairs Ratio: 28.33
Draw Ratio: 0.24
Elo: 149.94 ± 3.19
nElo: 362.21 ± 6.81
Ptnml: 0, 69, 1108, 3512, 312
Pairs Ratio: 55.42
Draw Ratio: 0.22
main vs. 268e9385
[differences] 273
2025-08-07 Elo: 143.19 ± 2.67
nElo: 288.89 ± 4.80
Ptnml: 11, 284, 2645, 6084, 1038
Pairs Ratio: 24.14
Draw Ratio: 0.26
Elo: 144.70 ± 3.10
nElo: 356.96 ± 6.80
Ptnml: 1, 67, 1173, 3519, 248
Pairs Ratio: 55.40
Draw Ratio: 0.23
main vs. 268e9385
[differences] 226
2025-07-07 Elo: 126.16 ± 2.65
nElo: 250.83 ± 4.81
Ptnml: 14, 390, 3053, 5713, 833
Pairs Ratio: 16.20
Draw Ratio: 0.31
Elo: 128.50 ± 3.20
nElo: 299.66 ± 6.81
Ptnml: 0, 133, 1389, 3292, 192
Pairs Ratio: 26.20
Draw Ratio: 0.28
main vs. 268e9385
[differences] 171
2025-06-03 Elo: 97.50 ± 2.71
nElo: 181.80 ± 4.79
Ptnml: 29, 725, 3748, 4922, 699
Pairs Ratio: 7.45
Draw Ratio: 0.37
Elo: 96.03 ± 3.38
nElo: 203.94 ± 6.80
Ptnml: 0, 278, 1914, 2670, 157
Pairs Ratio: 10.17
Draw Ratio: 0.38
main vs. 268e9385
[differences] 111
2025-05-08 Elo: 42.92 ± 2.60
nElo: 79.69 ± 4.78
Ptnml: 77, 1491, 4685, 3638, 250
Pairs Ratio: 2.48
Draw Ratio: 0.46
Elo: 44.86 ± 3.38
nElo: 91.51 ± 6.81
Ptnml: 8, 653, 2420, 1885, 34
Pairs Ratio: 2.90
Draw Ratio: 0.48
main vs. 268e9385
[differences] 55
2025-04-26 Elo: 18.59 ± 2.61
nElo: 34.24 ± 4.81
Ptnml: 97, 2003, 4813, 2944, 162
Pairs Ratio: 1.48
Draw Ratio: 0.48
Elo: 18.04 ± 3.42
nElo: 36.00 ± 6.81
Ptnml: 7, 971, 2550, 1446, 29
Pairs Ratio: 1.51
Draw Ratio: 0.51
main vs. 268e9385
[differences] 16

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