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

• 3/4H/S: Pre-empt
• 2S/NT: Asking for second suit or feature
• 3H/S: No second suit, no feature
• 2NT: spades
• Other suit: 4+ suit or feature
• 3NT: AKQxxx
• 2NT/3C: OGUST
• 1^st step: Min, bad suit
• 2^nd step: Min, good suit
• 3^rd step: Max, bad suit
• 4^th step: Max, good suit
• 3C/3D: Asking for short suit
• 3H/S: No short suit
• 3S/H: Short spades/ hearts
• 3D: Short diamonds
• 3NT: Short clubs/diamonds
• 4C over 3D: Short clubs
• 3H over 2S: Natural, non-forcing
• 3D over 2H: 6+ spades, forcing to 3H/S only
• 4C/D: 6+ suit, non-forcing

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 over-call

• DBL: Business
• 3/4H/S: Pre-empt