Search results
Results from the WOW.Com Content Network
The 2NT response is forcing to at least game in opener's major suit. If the partnership also plays splinter bids, the Jacoby 2NT response tends to deny the shape for a splinter (i.e., no singleton or void). However, it might be the best alternative as prelude to possible slam exploration with unbalanced support in a holding stronger than the ...
In some positions if a simple bid of the suit would be forcing then a single jump can be a splinter. For example, in a system where 1 ♥ –2 ♣; 2 ♦ is a forcing sequence, 1 ♥ –2 ♣; 3 ♦ may be used as a splinter. (However, this approach would require a specific agreement in advance—many players use this sequence to denote a ...
Many partnerships which employ Bergen raises also use Jacoby 2NT and splinter bids in response to major suit openings for game-forcing hands with trump support. A direct raise to game is then preemptive on a very shapely hand (often with five card trump support).
Perhaps the most widely known and used conventions are Blackwood, which asks for and gives information about the number of aces and kings held, Stayman convention, used to discover a 4-4 fit in a major suit following an opening no trump bid, Jacoby transfers, used to find a 5-3 fit in a major suit, and strong two clubs to show a very strong ...
Jacoby 2NT By agreement, a forcing raise of a major suit opening bid, used in conjunction with limit jump raises. Opener is requested to rebid in a suit where he holds a singleton so that responder can better evaluate the fit. Jam the bidding (Slang) To preempt. Jettison The discard of an honor, often by a defender, and usually to unblock a suit.
2NT shows 3 controls (specifically 3 kings), and; 3 ♣ shows 4 controls, 3 ♦ or higher, etc. on up the line. With ace-showing responses, the responder bids the suit of the Ace, 2NT with two or more kings, and 2 ♦ with a king or less. With (unlikely) 2 aces, the responder bids 3 ♥.
splinter (singleton or void in clubs) in support of hearts 4 ♦: splinter (singleton or void in diamonds) in support of hearts 1 ♠: 2NT: Dbl: looking to penalize, no primary major fit 3 ♣: sound values in hearts at the three level or better 3 ♦: good raise in spades (8 losers or better) 3 ♥: six hearts, not forcing 3 ♠
The Jacoby 2NT is used to show a game-forcing raise of a major suit with four-card support. Negative doubles are used through the level of 2 ♠. Fourth suit forcing is used. Michaels cuebid and Unusual notrump are used. Conventions are specified as being "off" in response to a 1NT overcall, except that 2 ♣ is still Stayman.