OpenBench Testing Framework

Finished
time-management-tune
40.0+0.40
Elo: -7.05 +- 13.29 [0.00, 5.00]
Games: 542 W: 110 L: 121 D: 311
Ptnml(0-2): 1, 58, 163, 49, 0
tune results
c236c7fe
4.0+0.04
Elo: 0.80 +- 2.64 [-5.00, 0.00]
Games: 17442 W: 4197 L: 4157 D: 9088
Ptnml(0-2): 83, 1935, 4650, 1965, 88
quick non-reg of time control changes for single thread
thread-time-management
5.0+0.05
Elo: 5.69 +- 4.73 [-5.00, 0.00]
Games: 4946 W: 1131 L: 1050 D: 2765
Ptnml(0-2): 3, 534, 1322, 607, 7
thread time management
qsearch-in-check
20.0+0.20
Elo: -8.17 +- 5.88 [-5.00, 0.00]
Games: 3362 W: 760 L: 839 D: 1763
Ptnml(0-2): 5, 440, 871, 359, 6
qsearch in check
upcoming-repetition-detection
20.0+0.20
Elo: 0.88 +- 2.20 [0.00, 5.00]
Games: 23616 W: 5288 L: 5228 D: 13100
Ptnml(0-2): 41, 2717, 6235, 2771, 44
upcoming repetition detection
spsa-2026-06-30
40.0+0.40
Elo: 5.58 +- 3.78 [0.00, 5.00]
Games: 8038 W: 1853 L: 1724 D: 4461
Ptnml(0-2): 6, 897, 2095, 1004, 17
spsa 2026-06-30
master
40.0+0.40
Elo: 62.06 +- 10.10 (95%) [N=1024]
Games: 1024 W: 342 L: 161 D: 521
Ptnml(0-2): 0, 41, 256, 208, 7
Progtest
master
40.0+0.40
Elo: 10.64 +- 20.50 (95%) [N=1024]
Games: 294 W: 63 L: 54 D: 177
Ptnml(0-2): 0, 34, 70, 43, 0
Add quiescence futility pruning Elo | 4.32 +- 3.18 (95%) SPRT | 20.0+0.20s Threads=1 Hash=16MB LLR | 2.91 (-2.25, 2.89) [0.00, 5.00] Games | N: 11338 W: 2634 L: 2493 D: 6211 Penta | [13, 1270, 2971, 1393, 22]
quiescence-futility-pruning
20.0+0.20
Elo: 4.32 +- 3.18 [0.00, 5.00]
Games: 11338 W: 2634 L: 2493 D: 6211
Ptnml(0-2): 13, 1270, 2971, 1393, 22
quiescence futility pruning
ranger-net
8.0+0.08
Elo: 3.54 +- 2.80 [0.00, 5.00]
Games: 17288 W: 4311 L: 4135 D: 8842
Ptnml(0-2): 104, 2025, 4204, 2213, 98
ranger net
ranger-net
N=25000
Elo: 3.59 +- 2.83 [0.00, 5.00]
Games: 25428 W: 7689 L: 7426 D: 10313
Ptnml(0-2): 592, 3003, 5352, 3084, 683
ranger net
spsa-2026-06-30
8.0+0.08
Elo: 1.51 +- 4.71 [0.00, 5.00]
Games: 5764 W: 1377 L: 1352 D: 3035
Ptnml(0-2): 23, 686, 1441, 707, 25
spsa 2026-06-30
spsa
20.0+0.20
Tuning 47 Parameters
2682/25000 Iterations
42924/400000 Games Played
time-management-tune
40.0+0.40
Tuning 12 Parameters
305/25000 Iterations
4892/400000 Games Played
spsa
20.0+0.20
Tuning 57 Parameters
216/25000 Iterations
3462/400000 Games Played
eval-stability-tm
8.0+0.08
Elo: -9.29 +- 6.78 [0.00, 5.00]
Games: 2732 W: 616 L: 689 D: 1427
Ptnml(0-2): 12, 364, 682, 301, 7
eval stability tm
make-time-management-tunable
8.0+0.08
Elo: 4.68 +- 4.31 [-5.00, 0.00]
Games: 5716 W: 1348 L: 1271 D: 3097
Ptnml(0-2): 15, 551, 1655, 616, 21
make time management tunable
more-extension-se-tt-ge-beta
20.0+0.20
Elo: 1.27 +- 4.35 [0.00, 5.00]
Games: 6294 W: 1445 L: 1422 D: 3427
Ptnml(0-2): 14, 740, 1617, 761, 15
extend more aggressively if tt_Score >= s.beta in se
quiescence-futility-pruning
20.0+0.20
Elo: 0.00 +- 0.00 [0.00, 5.00]
Games: 0 W: 0 L: 0 D: 0
Ptnml(0-2): 0, 0, 0, 0, 0
quiescence futility pruning
cutnode-negext
20.0+0.20
Elo: -0.03 +- 2.28 [0.00, 5.00]
Games: 22232 W: 5026 L: 5028 D: 12178
Ptnml(0-2): 30, 2633, 5801, 2613, 39
cutnode negext
rfp-improving
20.0+0.20
Elo: 2.68 +- 2.34 [0.00, 5.00]
Games: 21230 W: 4883 L: 4719 D: 11628
Ptnml(0-2): 34, 2436, 5517, 2588, 40
rfp improving
alternative-pvs-form
20.0+0.20
Elo: 1.31 +- 2.89 [-5.00, 0.00]
Games: 13746 W: 3166 L: 3114 D: 7466
Ptnml(0-2): 23, 1579, 3625, 1615, 31
alternative pvs form
simpl-check-extensions
8.0+0.08
Elo: -2.12 +- 2.09 [-5.00, 0.00]
Games: 28222 W: 6547 L: 6719 D: 14956
Ptnml(0-2): 95, 3469, 7150, 3307, 90
simpl check extensions
triple-extensions
8.0+0.08
Elo: -0.11 +- 6.27 [0.00, 5.00]
Games: 3148 W: 734 L: 735 D: 1679
Ptnml(0-2): 15, 359, 828, 356, 16
triple extensions
don-t-let-reduction-drop-into-qsearch
8.0+0.08
Elo: -0.26 +- 2.59 [0.00, 5.00]
Games: 18518 W: 4389 L: 4403 D: 9726
Ptnml(0-2): 80, 2182, 4726, 2214, 57
don't let reduction drop into qsearch