2H/S in 1^st and 2^nd seats: 6-10 HCP, 6+ card suit

2H/S in 3^rd seat: 5-9 HCP, 6+ card suit

2H/S in 4^th seat: 10-13 HCP, good 6+ card suit

• RONF
• 2NT: Relay
• 3H/S: Min
• New suit: Feature
• 3NT: Max

Responses after opponent's DBL

• RDBL: Parking lot
• Pass: To play
• Others: Lead-directing
• Jump shift: Suit bid + fit
• 2NT: OGUST

Responses after opponent's overcall

• DBL: Business
• 3/4H/S: Pre-empt