Slight tweaks to mobility evaluation values (#3)

ELO | 28.37 +- 10.16 (95%) SPRT | 10.0+0.10s Threads=1 Hash=64MB LLR | 2.95 (-2.94, 2.94) [0.00, 3.00] GAMES | N: 3792 W: 1742 L: 1433 D: 617 Bench: 7374596
Dannyj1 · Jan 16, 2023 · d4ee44f · d4ee44f
1 parent aa69f52
commit d4ee44f
Showing 1 changed file with 10 additions and 10 deletions.
diff --git a/search_mgr.cpp b/search_mgr.cpp
@@ -766,14 +766,14 @@ namespace Zagreus {
         evalContext.whiteMidgameScore += popcnt((evalContext.whiteCombinedAttacks) & extendedCenterPattern) * 4;
         evalContext.whiteEndgameScore += 0;
 
-        evalContext.whiteMidgameScore += popcnt(evalContext.whiteKnightAttacks & ~ownPiecesBB) * 8;
+        evalContext.whiteMidgameScore += popcnt(evalContext.whiteKnightAttacks & ~ownPiecesBB) * 7;
         evalContext.whiteMidgameScore += popcnt(evalContext.whiteBishopAttacks & ~ownPiecesBB) * 8;
-        evalContext.whiteMidgameScore += popcnt(evalContext.whiteRookAttacks & ~ownPiecesBB) * 4;
-        evalContext.whiteMidgameScore += popcnt(evalContext.whiteQueenAttacks & ~ownPiecesBB) * 2;
+        evalContext.whiteMidgameScore += popcnt(evalContext.whiteRookAttacks & ~ownPiecesBB) * 2;
+        evalContext.whiteMidgameScore += popcnt(evalContext.whiteQueenAttacks & ~ownPiecesBB) * 4;
 
         evalContext.whiteEndgameScore += popcnt(evalContext.whiteKnightAttacks & ~ownPiecesBB) * 2;
-        evalContext.whiteEndgameScore += popcnt(evalContext.whiteBishopAttacks & ~ownPiecesBB) * 2;
-        evalContext.whiteEndgameScore += popcnt(evalContext.whiteRookAttacks & ~ownPiecesBB) * 4;
+        evalContext.whiteEndgameScore += popcnt(evalContext.whiteBishopAttacks & ~ownPiecesBB) * 3;
+        evalContext.whiteEndgameScore += popcnt(evalContext.whiteRookAttacks & ~ownPiecesBB) * 6;
         evalContext.whiteEndgameScore += popcnt(evalContext.whiteQueenAttacks & ~ownPiecesBB) * 8;
 
         evalContext.whiteMidgameScore -= popcnt(evalContext.whiteCombinedAttacks & evalContext.blackPawnAttacks) * (11 - (bitboard.getPieceWeight(PieceType::BLACK_PAWN) / 100));
@@ -801,14 +801,14 @@ namespace Zagreus {
         evalContext.blackMidgameScore += popcnt((evalContext.blackCombinedAttacks) & extendedCenterPattern) * 4;
         evalContext.blackEndgameScore += 0;
 
-        evalContext.blackMidgameScore += popcnt(evalContext.blackKnightAttacks & ~ownPiecesBB) * 8;
+        evalContext.blackMidgameScore += popcnt(evalContext.blackKnightAttacks & ~ownPiecesBB) * 7;
         evalContext.blackMidgameScore += popcnt(evalContext.blackBishopAttacks & ~ownPiecesBB) * 8;
-        evalContext.blackMidgameScore += popcnt(evalContext.blackRookAttacks & ~ownPiecesBB) * 4;
-        evalContext.blackMidgameScore += popcnt(evalContext.blackQueenAttacks & ~ownPiecesBB) * 2;
+        evalContext.blackMidgameScore += popcnt(evalContext.blackRookAttacks & ~ownPiecesBB) * 2;
+        evalContext.blackMidgameScore += popcnt(evalContext.blackQueenAttacks & ~ownPiecesBB) * 4;
 
         evalContext.blackEndgameScore += popcnt(evalContext.blackKnightAttacks & ~ownPiecesBB) * 2;
-        evalContext.blackEndgameScore += popcnt(evalContext.blackBishopAttacks & ~ownPiecesBB) * 2;
-        evalContext.blackEndgameScore += popcnt(evalContext.blackRookAttacks & ~ownPiecesBB) * 4;
+        evalContext.blackEndgameScore += popcnt(evalContext.blackBishopAttacks & ~ownPiecesBB) * 3;
+        evalContext.blackEndgameScore += popcnt(evalContext.blackRookAttacks & ~ownPiecesBB) * 6;
         evalContext.blackEndgameScore += popcnt(evalContext.blackQueenAttacks & ~ownPiecesBB) * 8;
 
         evalContext.blackMidgameScore -= popcnt(evalContext.blackCombinedAttacks & evalContext.whitePawnAttacks) * (11 - (bitboard.getPieceWeight(PieceType::WHITE_PAWN) / 100));