2C: Strong Multi

• 2D: The usual bid
• 2H/S: 5+ suit, 18-22 HCP
• 2NT: 20-21 HCP, balanced (see 2NT opening for the developments)
• 3C/D: 6+ suit, 18-22 HCP
• 3H/S: 7+ suit, 15-17 HCP, 8 or 8.5 tricks
• 3NT: To play. Usually with 9 tricks in hand.
• 4C/D: Short suit with 5+5+ in the majors
• 4H/S: 8+ suit, 8.5 or 9 tricks
• 2H/S: 5+ suit in a yarborough
• 2NT: 10-11 HCP, balanced, stoppers or semi-stoppers in all suits
• 3C/D/H/S: HHxxxx or better suit and nothing else
• 4C/D/H/S: AKQJxxx or better suit and nothing else

Responses after opponent's DBL

• 2D/H/S: 5+ suit in a yarborough
• Pass: Weak, no other 5+ suit
• RDBL: Enough to play a game
• Others: Unchanged

Responses after opponent's overcall

• Pass: Weak
• DBL: Some strength
• Others: Unchanged (i.e. 2H/S is weak)