Rules of chess

1. Never play Rf1-Re1
2. Never resign (unless it’s your last game) 
3. You don’t have to castle 
4. Never agree to a draw 
5. If you control the game, delay checkmating your opponent 
6. Consider retreating 
7. Promote every pawn you have 
8. Don’t play h3 (Unless g4 will follow) 
9. Don’t play f3