Chess engine: Viridithas
Rating CEDR=3088
v.9.1.0:
This release adds support for (Double) Fischer Random Chess to Viridithas.
Upgrades
Shrink aspiration windows as depth increases (10.04 +- 6.20) (#44) - thanks @archishou!
Clear the killer moves of the next ply (7.22 +- 5.02) (#45)
Softer damping of evaluation with 50-move rule (3.19 +- 2.55) (#46)
Refactor to better-optimised board representation (10.26 +- 6.28) (#47) - thanks @Ciekce!
Fix zugzwang handling in NMP (0.93 +- 3.05) (#48)
Train much larger network on more data (20.20 +- 9.42) (#49)
Decrement depth on aspiration fail-high (2.57 +- 2.04) (#50)
Viridithas 9.1.0 has gained appreciable strength over 9.0.0:
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