1♦ OPENNING

2♣ = 4+♣ GF

2♦ = 4+♦¨ inverted

2♥ = 5+♠ and 4+♥ 6-9PC

2NT = forcing

responder bids out shape

3♣ = directionless force

3♦ = negative

2♠ = 4+♦ weakest raise or strong splinter

2NT = forcing.

3♣ = 6+♣ inv.

3♦ = mixed raise

3/♥/♠ = 9-11(12) 0-1/♥/♠ ® now 4♦ to play

4♣ = ♦RKCB

4♦ = pre

4♥/♠ = to play