diff --git a/ArduChess.ino b/ArduChess.ino
index 0d3a3b0..8caa5ab 100644
--- a/ArduChess.ino
+++ b/ArduChess.ino
@@ -44,9 +44,11 @@ void setup() {
 	b.make({0x64, 0x54, P_EMPTY});
 	b.make({0x34, 0x44, P_EMPTY});
 	b.make({0x63, 0x43, P_EMPTY});
-	//b.print();
+	b.print();
 	b.make({0x44, 0x53, P_EMPTY});
-	//b.print();
+	b.print();
+	b.unmake();
+	b.print();
 
 	int elapsed = micros() - startTime;
 	Serial.print(elapsed);
diff --git a/Board.h b/Board.h
index 30f5ff3..d8e03da 100644
--- a/Board.h
+++ b/Board.h
@@ -80,8 +80,11 @@ Board::Board() {
 }
 
 void Board::print() {
+	Serial.println(F("BOARD:"));
 	for(char i = 7; i >= 0; i--) {
 		for(byte j = 0; j < 16; j++) {
+			if(j == 8)
+				Serial.print("| ");
 			Serial.print(field[i*16 + j], HEX);
 			Serial.print(" ");
 		}
@@ -244,17 +247,20 @@ void Board::prev_unmove() {
 }
 void Board::store_unmove(Unmove u) {
 	byte *ub = (byte*) &u;
-	for(size_t i = 0; i < sizeof(u); i++) {
-		next_unmove();
+	for(byte i = 0; i < sizeof(u); i++) {
 		field[PTR_UNMOVE] = ub[i];
+		next_unmove();
 	}
 }
 Unmove Board::read_unmove() {
 	Unmove u;
 	byte* ptr = (byte*) &u;
 	for(int i = sizeof(u) - 1; i >= 0; i--) {
-		ptr[i] = field[PTR_UNMOVE];
 		prev_unmove();
+		ptr[i] = field[PTR_UNMOVE];
+		#ifdef _ACF_CLEAR_UNMOVE
+			field[PTR_UNMOVE] = 0;
+		#endif
 	}
 	return u;
 }