OpenBench Testing Framework

Finished
lmr-depth-history-pruning
8.0+0.08
Elo: 0.98 +- 2.40 [0.00, 5.00]
Games: 22060 W: 5174 L: 5112 D: 11774
Ptnml(0-2): 89, 2613, 5575, 2653, 100
larger-negative-extensions
8.0+0.08
Elo: 3.00 +- 2.42 [0.00, 5.00]
Games: 21186 W: 5059 L: 4876 D: 11251
Ptnml(0-2): 62, 2475, 5357, 2616, 83
fail-medium-multicut
8.0+0.08
Elo: -7.62 +- 8.46 [0.00, 5.00]
Games: 1688 W: 366 L: 403 D: 919
Ptnml(0-2): 6, 214, 441, 177, 6
lmr-depth-lmp
8.0+0.08
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
less-branching
8.0+0.08
Elo: 3.25 +- 3.79 [-5.00, 0.00]
Games: 7600 W: 1818 L: 1747 D: 4035
Ptnml(0-2): 20, 777, 2138, 842, 23
futility-pruning
8.0+0.08
Elo: -1.24 +- 4.42 [0.00, 5.00]
Games: 6706 W: 1612 L: 1636 D: 3458
Ptnml(0-2): 43, 813, 1637, 845, 15
lmr-depth
8.0+0.08
Elo: 3.81 +- 2.95 [0.00, 5.00]
Games: 14882 W: 3535 L: 3372 D: 7975
Ptnml(0-2): 48, 1773, 3661, 1886, 73
futility-pruning
8.0+0.08
Elo: -62.71 +- 41.18 [0.00, 5.00]
Games: 84 W: 15 L: 30 D: 39
Ptnml(0-2): 1, 18, 18, 5, 0
futility-pruning
8.0+0.08
Elo: -14.48 +- 34.38 [0.00, 5.00]
Games: 120 W: 28 L: 33 D: 59
Ptnml(0-2): 1, 17, 28, 14, 0
futility-pruning
8.0+0.08
Elo: -116.59 +- 57.56 [0.00, 5.00]
Games: 68 W: 8 L: 30 D: 30
Ptnml(0-2): 5, 14, 13, 2, 0
spsa-2026-05-01
40.0+0.40
Elo: 7.87 +- 4.67 [0.00, 5.00]
Games: 5252 W: 1256 L: 1137 D: 2859
Ptnml(0-2): 9, 556, 1374, 681, 6
futility-pruning
8.0+0.08
Elo: -1.59 +- 3.58 [0.00, 5.00]
Games: 9854 W: 2310 L: 2355 D: 5189
Ptnml(0-2): 53, 1174, 2498, 1169, 33
futility-pruning
8.0+0.08
Elo: -0.96 +- 3.17 [0.00, 5.00]
Games: 12608 W: 2919 L: 2954 D: 6735
Ptnml(0-2): 39, 1565, 3150, 1492, 58
futility-pruning
8.0+0.08
Elo: -31.15 +- 25.43 [0.00, 5.00]
Games: 246 W: 49 L: 71 D: 126
Ptnml(0-2): 5, 37, 57, 23, 1
spsa
20.0+0.20
Tuning 53 Parameters
1560/25000 Iterations
24968/400000 Games Played
master
40.0+0.40
Elo: 47.45 +- 10.68 (95%) [N=1024]
Games: 1024 W: 323 L: 184 D: 517
Ptnml(0-2): 1, 67, 238, 204, 2
threats-in-king-movegen
8.0+0.08
Elo: -0.03 +- 3.00 [-5.00, 0.00]
Games: 12482 W: 2830 L: 2831 D: 6821
Ptnml(0-2): 52, 1323, 3476, 1354, 36
no-orth-diag-pinmasks
8.0+0.08
Elo: 1.72 +- 3.25 [-5.00, 0.00]
Games: 12134 W: 2903 L: 2843 D: 6388
Ptnml(0-2): 46, 1435, 3068, 1449, 69
remove-pinned-attackers
8.0+0.08
Elo: 7.58 +- 4.67 [0.00, 5.00]
Games: 5910 W: 1438 L: 1309 D: 3163
Ptnml(0-2): 18, 675, 1450, 784, 28
remove-pinned-attackers
8.0+0.08
Elo: 2.06 +- 3.63 [0.00, 5.00]
Games: 9624 W: 2285 L: 2228 D: 5111
Ptnml(0-2): 32, 1150, 2399, 1191, 40
better-see
8.0+0.08
Elo: -20.87 +- 25.71 [0.00, 5.00]
Games: 200 W: 38 L: 50 D: 112
Ptnml(0-2): 1, 31, 47, 21, 0
better-see
8.0+0.08
Elo: -6.03 +- 18.40 [0.00, 5.00]
Games: 346 W: 74 L: 80 D: 192
Ptnml(0-2): 1, 43, 90, 39, 0
history-pruning
8.0+0.08
Elo: -0.61 +- 2.82 [-5.00, 0.00]
Games: 15892 W: 3654 L: 3682 D: 8556
Ptnml(0-2): 80, 1882, 4028, 1898, 58
history-pruning
40.0+0.40
Elo: 1.35 +- 2.90 [-5.00, 0.00]
Games: 13342 W: 2998 L: 2946 D: 7398
Ptnml(0-2): 15, 1527, 3538, 1573, 18
king-buckets-net
N=40000
Elo: -2.71 +- 5.01 [0.00, 5.00]
Games: 8340 W: 2428 L: 2493 D: 3419
Ptnml(0-2): 247, 984, 1715, 1035, 189