HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-19 16:46:30 +08:00
Code Issues Packages Projects Releases Wiki Activity

Simple always overwrite Refutation table

Browse Source
This commit is contained in:
Joona Kiiski
2013-05-12 21:21:46 +01:00
parent 818a3537a7
commit c7e31d5aa8
3 changed files with 27 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/movepick.cpp
View File

@@ -71,7 +71,7 @@ namespace {
/// move ordering is at the current node.
MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const History& h,
Search::Stack* s, Value beta) : pos(p), Hist(h), depth(d) {
Search::Stack* s, Move refutationMove, Value beta) : pos(p), Hist(h), depth(d) {
assert(d > DEPTH_ZERO);
@@ -89,6 +89,7 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const History& h,
killers[0].move = ss->killers[0];
killers[1].move = ss->killers[1];
killers[2].move = refutationMove;
// Consider sligtly negative captures as good if at low depth and far from beta
if (ss && ss->staticEval < beta - PawnValueMg && d < 3 * ONE_PLY)
@@ -237,7 +238,7 @@ void MovePicker::generate_next() {
case KILLERS_S1:
cur = killers;
end = cur + 2;
end = cur + 3;
return;
case QUIETS_1_S1:
@@ -329,7 +330,8 @@ Move MovePicker::next_move<false>() {
move = (cur++)->move;
if ( move != ttMove
&& move != killers[0].move
&& move != killers[1].move)
&& move != killers[1].move
&& move != killers[2].move)
return move;
break;