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Tune ordering of moves at internal nodes
We change the relative weights of the function used to order quiet moves in our MovePicker class. Passed STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 32184 W: 2936 L: 2773 D: 26475 Ptnml(0-2): 115, 2196, 11328, 2317, 136 https://tests.stockfishchess.org/tests/view/60161ee1735dd7f0f03530f8 Passed LTC: LLR: 2.93 (-2.94,2.94) {0.25,1.25} Total: 33088 W: 1292 L: 1149 D: 30647 Ptnml(0-2): 14, 1030, 14318, 1163, 19 https://tests.stockfishchess.org/tests/view/60163146735dd7f0f03530ff The new weight were chosen after the following SPSA session: https://tests.stockfishchess.org/tests/view/60136857735dd7f0f0352f6c Closes #3331 Bench: 4398803
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