This bidding system has a weak notrump opening. This opening can be made
with a 5-card major. All the possible distributions are:
2–4♠ , 2–4♥ , 2–5♦ , 2–5♣
Any (5332)
BTU Stayman 2♣ not only asks for a 4-card major but also takes care of
invitational 5= spades. Puppet Stayman 3♣ forces to game and queries 5 and
4-card majors.
1NT- BAL 13–15
2♣ ! (Garbage) STAY or INV 5=♠
2♦ ! TRF , 5+♥
2♥ ! TRF , 5+♠
2♠ ! 6+♣ or QUANT INV
2NT! 5+♦ , 4+♣ or 6+♦
3♣ ! PUP STAY
3♦ ! INV +, 5+♠ , 5+♥
3♥ ! SPL , 0–1♥ , 0–3♠ , 4–6♦ , 4–6♣
3♠ ! SPL , 0–1♠ , 0–3♥ , 4–6♦ , 4–6♣
3NT S/O
4♣ ! TRF , 6+♥ , South African Texas
4♦ ! TRF , 6+♠ , South African Texas
4♥ ♠ S/O
4NT QUANT INV to 6NT, NF
5NT QUANT INV to 7NT, F
Both Staymans come into range when responder has game-forcing values.
5+ 4+ majors: Stayman 2♣ wins via subsequent Smolen transfers.
4− 3− majors: Only Puppet Stayman 3♣ finds 5-3 fits.
Balanced 4-4 majors: The lower 2♣ allows playing 3NT if opener is (4333).
Unbalanced 4-4 majors: Anything goes.
Weak: Transfer to the better major suit. Give up on the other one.
Invitational: Bid 3♦ .
Choice of games: Bid 3♦ most of the time. Transfer to spades and then
bid 4♥ if you prefer 4♠ > 4♥ > 3NT.
Slam try: Transfer to spades and then bid 3♥ .
1NT-2♠ - 6+♣ or QUANT INV
2NT MIN
3♣ ! MAX , 1–3♣
3♣ -3♦ ! FG PUP STAY
3♣ -3♥ ♠ ! SPL , 0–1#
3♦ ♥ ♠ ! MAX , 4–6♣ , good stopper
1NT-2NT- 5+♦ , 4+♣ or 6+♦
3♣ ! 1–2♦
3♦ 3–4♦
3♥ ♠ ! 5–6♦ , good stopper
3NT! 5–6♦ , good ♣ stopper
1NT-3♣ - PUP STAY
3♦ ! 2–4♠ , 2–4♥
3♦ -3♥ ! Smolen TRF , 4=♠
3♦ -3♠ ! Smolen TRF , 4=♥
3♦ -3NT S/O
3♦ -4♣ ! S/T , 44(xx)
3♦ -4♦ ! COG , 44(xx)
3♥ ♠ 5=#