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THE STAYMAN CONVENTION
A. DEFINITION: ‑ The Stayman Convention is used by the partner of a 1NT or 2NT opening
bid in order to seek the possibility of a 4‑card Major suit fit. When used in combination with Jacoby transfer bids it becomes a very useful tool in one's bidding arsenal. It is initiated and invoked by the responder and partner of the opening NT bid by utilizing an artificial 2D forcing call. Stayman should not be invoked unless responder has at least an invitational strength hand; i.e., 9-10 HCP's or more. (Exception: Any hand where responder to the opening NT bid anticipates passing any feasible response by opener Example: XXXX XXXX XXXX X
Examples: 1NT P 2C (or) 2NT P 3C
B. BIDS AND RESPONSES PLAYING NON‑FORCING STAYMAN:
OPENER RESPONDER MEANTNG OF RESPONDER'S LAST BID
1NT 2C A Non‑Forcing Request for a 4‑card Major suit
1NT 2C An INVITATIONAL non-forcing holding of a
2D 2H/2S 5-card suit in the responders mentioned Major
suit mentioned and a 4-card suit in the
unmentioned alternate Major.
1NT 2C INVITATIONAL showing the strength for a
"2D"/2H/2S 2NT direct raise to 2NT with either one (or both) 4-
card Majors unable to find a Major suit fit.
1NT 2C INVITATIONAL ‑ Shows support; and asks
2H/2S 3H/3S opener to carry on to game with a maximum
1NT 2C SIGN‑OFF ‑ Shows a fit, game going values, and
2H/2S 4H/4S no interest in slam.
1NT 2C SIGN‑OFF ‑ Unable to find a 4‑4 Major fit and
"2D"/2H/2S 3NT denies holding a 5‑card major suit.
1NT 2C SIGN‑OFF ‑ A very weak hand wanting to play in
"2D"/2H/2S 3C/3D a likely 6‑card minor suit specified.
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1NT 2C FORCING ‑ Promises a 5‑card suit with game
2D 3H/3S values and a 5‑card suit in the bid Major suit along
with a 4-card holding in the unmentioned alternate
"2D"/2H/2S 4C FORCING ‑ Gerber Convention asking for Aces
1NT 2C NATURAL ‑ Invites 6NT if partner has a
2D/2H/2S 4NT maximum of 16‑17 HCP's else opener passes.
1NT 2C NATURAL ‑ Invites 7NT if partner has a
2D/2H/2S 5NT maximum of 16‑17 HCP's else opener bids 6NT.
C. OTHER RESPONSES WHEN PIAYING NON‑FORCING STAYMAN:
1NT 3C/3D INVITATIONAL ‑ Shows a 6‑card suit headed by
two of the top three honors. Partner will proceed
to game if he/she holds the missing honor in the
Minor suit bid and stoppers in the other three suits,
1NT 4C FORCING ‑ The Gerber Convention asking for
1NT 3H/3S FORCING ‑ A 5‑card suit forcing to 4H/4S/3NT
1NT 4H/4S SIGN‑OFF ‑ A 6‑card or longer suit with game
1NT 2NT INVITATIONAL to 3NT. Opener passes with 15
HCPs, else 3NT with 16-17 HCPs.
1NT 3NT SIGN‑OFF
1NT 4NT FORCING ‑ (Not Blackwood) ‑ Is a quantitative
bid asking opener to pass with 15 HCP's and to bid
6NT with 16‑17 HCPs.
1NT 5NT FORCING ‑ Opener bids 6NT with a minimum of
15 HCP s and 7NT with a maximum of 16‑17
HCP ' s.