passed pawn eval +22 ELO

fernandotenorio · May 10, 2019 · 50a1891 · 50a1891
1 parent de6e723
commit 50a1891
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/BitBoardGen.cpp b/BitBoardGen.cpp
@@ -479,7 +479,8 @@ void BitBoardGen::initSquares(){
 		SQUARES[i] = ONE << i;
 }
 
-U64 BitBoardGen::DISTANCE_SQS[64][64];
+int BitBoardGen::DISTANCE_SQS[64][64];
+int BitBoardGen::DISTANCE_MAN[64][64];
 void BitBoardGen::initDistances(){
 	for (int i = 0; i < 64; i++){
 		for (int j = 0; j < 64; j++){
@@ -490,6 +491,7 @@ void BitBoardGen::initDistances(){
 
 			int rd = abs(rj - ri);
 			int fd = abs(fj - fi);
+			DISTANCE_MAN[i][j] = rd + fd;
 			DISTANCE_SQS[i][j] = std::max(rd, fd);
 		}
 	}

diff --git a/BitBoardGen.h b/BitBoardGen.h
@@ -41,7 +41,8 @@ class BitBoardGen{
 
 		static U64 FRONT_ATTACK_SPAN[2][64];
 		static U64 SQUARES[64];
-		static U64 DISTANCE_SQS[64][64];
+		static int DISTANCE_SQS[64][64];
+		static int DISTANCE_MAN[64][64];
 		static U64 LINES_BB[64][64];
 		static U64 PAWN_CONNECTED[2][64];
 		static U64 RANKS_4_5_6_7[2];