LMR condition is now cmh+history<0
Instead of history<0 OR cmh+history<0
STC:
LLR: 2.96 (-2.94,2.94) [-3.00, 1.00]
Total: 26446 W: 5092 L: 4980 D: 16374
LTC:
LLR: 2.96 (-2.94,2.94) [-3.00, 1.00]
Total: 14129 W: 2340 L: 2209 D: 9580
Bench:
7815183
Resolves #331
ss->reduction = reduction<PvNode>(improving, depth, moveCount);
if ( (!PvNode && cutNode)
- || History[pos.piece_on(to_sq(move))][to_sq(move)] < VALUE_ZERO
|| ( History[pos.piece_on(to_sq(move))][to_sq(move)]
+ CounterMovesHistory[pos.piece_on(prevMoveSq)][prevMoveSq]
[pos.piece_on(to_sq(move))][to_sq(move)] < VALUE_ZERO))