// Razor and futility margins
constexpr int RazorMargin = 661;
Value futility_margin(Depth d, bool improving) {
- return Value(198 * (d / ONE_PLY) - 178 * improving);
+ return Value(198 * (d / ONE_PLY - improving));
}
// Reductions lookup table, initialized at startup
&& (ss-1)->currentMove != MOVE_NULL
&& (ss-1)->statScore < 22661
&& eval >= beta
- && ss->staticEval >= beta - 33 * depth / ONE_PLY + 299
+ && eval >= ss->staticEval
+ && ss->staticEval >= beta - 33 * depth / ONE_PLY + 299 - improving * 30
&& !excludedMove
&& pos.non_pawn_material(us)
&& (ss->ply >= thisThread->nmpMinPly || us != thisThread->nmpColor))