tweek.

bench 3621082
Vizvezdenec · Dec 6, 2018 · 29e4e03 · 29e4e03
1 parent 168e1a9
commit 29e4e03
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Showing 2 changed files with 1 addition and 10 deletions.
diff --git a/src/evaluate.cpp b/src/evaluate.cpp
@@ -425,14 +425,6 @@ namespace {
     // Main king safety evaluation
     if (kingAttackersCount[Them] > 1 - pos.count<QUEEN>(Them))
     {
-        constexpr Bitboard KingDefenceZone[FILE_NB] = {
-         QueenSide ^ FileDBB, QueenSide ^ FileDBB, QueenSide ^ FileDBB,
-         FileDBB|FileEBB, FileDBB|FileEBB,
-         KingSide ^ FileEBB, KingSide ^ FileEBB, KingSide ^ FileEBB
-         };
-
-        int noDefender = !(KingDefenceZone[file_of(pos.square<KING>(Us))] & attackedBy[Us][KNIGHT]) + 
-                         !(KingDefenceZone[file_of(pos.square<KING>(Us))] & attackedBy[Us][BISHOP]);
         int kingDanger = 0;
         unsafeChecks = 0;
 
@@ -486,7 +478,6 @@ namespace {
                      - 873 * !pos.count<QUEEN>(Them)
                      -   6 * mg_value(score) / 8
                      +       mg_value(mobility[Them] - mobility[Us])
-                     +   30 * (noDefender * noDefender - 1)
                      -   30;
 
         // Transform the kingDanger units into a Score, and subtract it from the evaluation

diff --git a/src/search.cpp b/src/search.cpp
@@ -833,7 +833,7 @@ namespace {
         int probCutCount = 0;
 
         while (  (move = mp.next_move()) != MOVE_NONE
-               && probCutCount < 3)
+               && probCutCount < 3 + ((ss-1)->moveCount == 1))
             if (move != excludedMove && pos.legal(move))
             {
                 probCutCount++;