Control the center column early
Build multiple threats at once
Stack pieces to create vertical wins
Set up diagonal connections in advance
Block your opponent’s immediate threats
Avoid moves that give your opponent a winning setup
Force your opponent into defensive play
Look for three-in-a-row with an open fourth
Keep your options open in the middle game
Plan two or three moves ahead
Use odd-even turn patterns to your advantage
Prefer moves that create double threats
Don’t fill a column unless it helps your plan
Watch for traps near the bottom and edges
Make your opponent respond to your threats first