diff --git a/ArduChess.ino b/ArduChess.ino
index dd48394..5c2feea 100644
--- a/ArduChess.ino
+++ b/ArduChess.ino
@@ -48,7 +48,7 @@ void setup() {
 
 	int elapsed = micros() - startTime;
 	Serial.print(elapsed);
-	Serial.println("microseconds for 5 moves");
+	Serial.println(F("microseconds for 5 moves"));
 
 
 }
diff --git a/Board.h b/Board.h
index 71a5804..f585529 100644
--- a/Board.h
+++ b/Board.h
@@ -1,6 +1,9 @@
 #ifndef __BOARD_H_INC
 #define __BOARD_H_INC
 
+#pragma GCC push_options
+#pragma GCC optimize ("-O3")
+
 #include "Types.h"
 #include "Panic.h"
 #include "Move.h"
@@ -247,4 +250,6 @@ Unmove Board::read_unmove() {
 	}
 	return u;
 }
+
+#pragma GCC pop_options
 #endif