diff --git a/board.go b/board.go
index 154b51b..25ce899 100644
--- a/board.go
+++ b/board.go
@@ -69,7 +69,7 @@ func (b *Board) inBounds(r, c int) bool {
 
 func (b *Board) isSquareAttacked(pos Position, byColor int) bool {
 	r, c := pos.Row, pos.Col
-	pawnDir := 1
+	pawnDir := -1
 	if byColor == Black {
 		pawnDir = 1
 	}
@@ -197,7 +197,7 @@ var diagDirs = [][2]int{{-1, -1}, {-1, 1}, {1, -1}, {1, 1}}
 func (b *Board) pawnMoves(from Position, color int) []Move {
 	var moves []Move
 	r, c := from.Row, from.Col
-	dir := 1
+	dir := -1
 	if color == Black {
 		dir = 1
 	}
diff --git a/chess b/chess
new file mode 100755
index 0000000..bf8073b
Binary files /dev/null and b/chess differ