shithub: moonfish

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make small fixes and improvements

--- a/chess.c

+++ b/chess.c

@@ -220,11 +220,7 @@

 	chess->ooo[1] = 1;

 	chess->passing = 0;

-	for (y = 0 ; y < 12 ; y++) {

-		for (x = 0 ; x < 10 ; x++) {

-			chess->board[x + y * 10] = moonfish_outside;

-		}

-	}

+	for (x = 0 ; x < 120 ; x++) chess->board[x] = moonfish_outside;

 	for (x = 0 ; x < 8 ; x++) {

 		chess->board[x + 21] = pieces[x] | 0x10;

@@ -440,6 +436,7 @@

 		if (ch == 'k') type = moonfish_king;

 		if (type == 0) return 1;

+		if (x >= 8 || y >= 8) return 1;

 		chess->board[(x + 1) + (9 - y) * 10] = type | color;

 		x++;

@@ -534,8 +531,8 @@

 				other = *chess;

 				moonfish_play(&other, moves + i);

 				if (!moonfish_validate(&other)) continue;

-				if (check && !moonfish_check(chess)) continue;

-				if (check == 2 && !moonfish_checkmate(chess)) continue;

+				if (check && !moonfish_check(&other)) continue;

+				if (check == 2 && !moonfish_checkmate(&other)) continue;

 				if (found) return 1;

 				found = 1;

 				*move = moves[i];

-- 

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