PUPPET STAYMAN.

This is a convention used after strong NT. Either 2NT opening or 2C-2D-2NT, where 2NT is strong and balanced. The good thing about this convention is that you can have a 5 card major suit and a balanced hand when you bid strong 2 NT. 2NT-3C 3D : Have at least one 4 card major suit. 3H : 5 Hearts. 3S : 5 Spades. 3NT : Denies 4/5 card major. 2NT-3C 3D- 3H: 4 Spades. not 4 Hearts. 3S: 4 Hearts. not 4 Spades. 3NT: To play. 4C: 4-4 in major. Slam invitational. 4D: 4-4 in major. 2NT-3C 2NT-3C 3D-3H 3D-3S 3S : Slam invitational. 3NT : To play. 3NT : To play 4C/4D : Cue-bid. 4C/4D : Cue-bid. 4H : To play. 4S : To play. 2NT-3C 3D-4C 4D : Slam invitational in Hearts. Request partner to bid 4 Heart. 4H : To play. 4S : To play. 4NT : RKCB with Spades as trump. 2NT-3C 3H- 3S: Slam invitational in Hearts. 4C: Naturally. Slam invitational. ---> 4NT: To play. 4D: Naturally. Slam invitational. ---> 4NT: To play. 2NT-3C 3S- 4C: Naturally. Slam invitational. ---> 4NT: To play. 4D: Naturally. Slam invitational. ---> 4NT: To play. 4H: Slam invitational in Spades. Or maybe you wanna try the expanded version: Expanded Puppet Stayman By Thomas Bekkevold (Norway) 2NT - 3C ? 3D : at least on 4-card major suit. 3H : denies a 4-card or a 5 card major suit (3S= relay, 4C/4D= slamtry) 3S : 5 Spades (4C/4D= natural and slamtry, 4H= slamtry with Spade) 3NT : 5 Hearts (4C/4D= natural and slamtry, 4S= slamtry with Heart) 2NT - 3C 3D - ? 3H : relay or 4 Spades 3S : 4 Hearts 3NT : To play 4C : Slamtry with 4-4 in major (4D= RKCB with Heart, 4NT= RKCB with Spade) 4D : 4-4 in the major suits 2NT - 3C 3D - 3H ? 3S : 4 Spades (3NT=relay, 4C/4D/4H= cue bid) 3NT : 4 Hearts (4C= relay, 4D= slamtry in Club, 4H= Slamtry with Diamond) 4C : 4-4 in the major suits (4D= RKCB with Spade, 4H= transfer, 4NT= to play) 2NT - 3C 3D - 3H 3S - 3NT ? 4C : 4 Clubs (4NT= to play, anything else = cue bid) 4D : 4 Diamonds (4NT= to play, anything else = cue bid) 4H : 4333 and min (4NT= to play) 4S : 4333 and max (4NT= to play) 2NT - 3C 3D - 3H 3NT - 4C ? 4D : 4 Clubs (4H= RKCB with Club, 4NT= to play) 4H : 4 Diamonds (4S= RKCB with Diamond, 4NT= to play) 4S : 3433 go min (4NT= to play) 4NT : 3433 go max 2NT - 3C 3D - 3S 3NT - ? 4C : relay (same as after 2NT-3C-3D-3H-3NT) 4D : slamtry with Club (4H= RKCB with Club, 4NT= to play) 4H : slamtry with Diamond (4S= RKCB with Diamond, 4NT= to play) 2NT - 3C 3H - 3S ? 3NT : deny 5 card minors (4C= relay) 4C : 5 Clubs (4D/4H/4S= cue bid, 4NT= to play) 4D : 5 Diamonds (4H/4S= cue bid, 4NT= to play) 2NT - 3C 3H - 3S 3NT - 4C ? 4D : 3343 (4H/4S= cue bid, 4NT= to play) 4H : 4-4 in the minor suits (4S= RKCB with Club, 4NT= RKCB with Diamond) 4S : 3334 and min (4NT= to play) 4NT : 3334 and max