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CONVENTS.4CA
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SUGGESTED CONVENTIONS AND TREATMENTS
This chapter addresses only offensive conventions and treatments.
Defensive conventions and treatments are independent of the system
used for opening bids, responses, and rebids. For those, see the
book "Defensive Bidding."
The following conventions and treatments are assumed for the four-
card major bidding system. Many of them are indispensable.
In the book "Marvin's Conventions and Treatments":
Checkback Stayman by opener (after 1NT response)
Checkback Stayman by responder (after 1NT rebid)
Fourth Suit Artificial (forcing one round)
In the book "Weak Bidding":
Weak two bids
In the book "Strong Bidding":
Artificial strong 2C, including 23-30 HCP notrump hands
In the book "Notrump Bidding:"
One notrump 16-18 HCP
Two notrump 21-22 HCP
Three notrump opening based on solid minor plus stoppers
In this book:
Limit raises in all suits
Two notrump limit raise over a double
Three notrump artificial strong major suit raise
Three diamonds as game-forcing club raise (1C-P-3D)
Splinter responses to a major suit opening
Splinter rebids by opener and responder
The following conventions and treatments fit well into the four-
card major bidding system and are also recommended, but can be
omitted to keep things simple:
In the book "Marvin's Conventions and Treatments":
Marvelous Two Diamonds (for IMP games only)
Marvin Two Diamonds
Marvin Two Hearts
Marvin Two Spades
Omnibus two notrump response
Two-Four-One rebid by a passed hand
Stoplight, opposite a non-forcing jump to two notrump
Splinter response to a minor suit opening
Non-Jump Splinter Bids
Weak 1NT opening 4th seat only at matchpoints (11-13 HCP)
In the book "Weak Bidding":
Weak jump takeout responses (in competition only)
In the book "Conventional Doubles":
Negative doubles
Action doubles
Negative doubles are much less important when playing four-card
majors vs five-card majors. Business doubles of overcalls (a
chapter in this book) are an attractive alternative, perhaps for
only some situations, or for certain vulnerabilities.