Simplify the recently introduced ply-based cmh bonus factor. #5270

locutus2 · 2024-05-19T18:03:44Z

Replace it with a constant which is an approximation of the limit of the factor.

STC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 120064 W: 30967 L: 30836 D: 58261
Ptnml(0-2): 421, 14238, 30608, 14319, 446
https://tests.stockfishchess.org/tests/view/6649d146b8fa20e74c39f4ad

LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 53856 W: 13719 L: 13530 D: 26607
Ptnml(0-2): 31, 5879, 14922, 6062, 34
https://tests.stockfishchess.org/tests/view/664a027fae57c1758ac5b4ee

Bench: 1496307

Replace it with a constant which is an approximation of the limit of the factor. STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 120064 W: 30967 L: 30836 D: 58261 Ptnml(0-2): 421, 14238, 30608, 14319, 446 https://tests.stockfishchess.org/tests/view/6649d146b8fa20e74c39f4ad LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 53856 W: 13719 L: 13530 D: 26607 Ptnml(0-2): 31, 5879, 14922, 6062, 34 https://tests.stockfishchess.org/tests/view/664a027fae57c1758ac5b4ee Bench: 1496307

locutus2 · 2024-05-19T18:04:26Z

Remark: this PR was tested against my other PR 5267.

vondele · 2024-05-19T18:08:48Z

should we in that case test if the introduction of the scaling factor is a gainer by itself?

locutus2 · 2024-05-19T18:10:40Z

@vondele
Why? it give not really any meaningful more information for the used resources.
But i can make one PR include the results of both steps.

vondele added simplification A simplification patch functional-change to be merged Will be merged shortly labels May 20, 2024

vondele closed this in 81e21a6 May 21, 2024

Provide feedback