CHESS 1. OPENING REPOTIRE 2. MIDDLEGAME COMBINATION 3. ENDGAME TECHNIQUE 4. TACTICS (PIN, SKEWER, FORK, CHASING KING, REMOVING THE DEFENDER, DECOY, DEFLECTION, PERPECTUAL CHECK, DOUBLE ATTACK, DOUBLE CHECK , WINDMILL, ROOK LIFT) 5. POSITIONAL UNDERSTANDING IN CLOSED VARIATION