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PRERAISE.4CA
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1995-08-28
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PREEMPTIVE JUMP RAISE TO GAME
A double jump raise to game in a major implies very good trump
support, usually five or six long, and a highly distributional hand
including a singleton or void. It lacks the high card strength
necessary for a splinter bid. A typical raise of a 1H opening to
4H: S-3 H-K8765 D-KJ632 C-76. Add the ace of clubs and you have
a 3S splinter response. With an in between hand: S-3 H-K8765
D-AQ632 C-76, a 2D response is probably better. This hand is too
good for 4H, not good enough for a 3S splinter bid.
South West North
1H 1S 4H - preemptive raise
3NT - strong raise
See chapter THE 3NT RESPONSE TO A MAJOR OPENING. A single jump
raise to game (i.e., in competition) is a strong raise:
South West North
1H 3C 4H is strong
In the last sequence a raise to 3H would be taken as a merely
competitive action, not a serious move toward game, so responder
must bid 4H with a hand that is at the upper limit of a normal
limit jump raise to 3H. The single jump raise to game therefore
has a fairly wide range, 12-15 points or so.
What should North do with a preemptive type game raise, since the
double jump is not available? Answer: Just bid 3H as a tactical
measure. The bidding will surely not stop there, and your "slow
bidding" may allow you to buy the hand, perhaps doubled, at a lower
level than would otherwise be possible (although the opponents must
be alerted to this possiblity if you bid twice).
If you jump to game with both preemptive and strong raises, partner
will not have much to go on if he must make a decision at the five
level. And if he doubles, you won't be sure whether to leave it in
or not.
The jump raise to game in a minor is a rarity, showing a highly
distributional hand, nothing in the majors, little defense, six or
seven card support for opener's minor. This is a 5D response to a
1D opening: S-3 H-7 D-KJ97643 C-Q763. If the game bid is a single
jump, however, responder must have a strong hand:
South West North
1C 3H 5C - strong, not preemptive
North must just bid 4C with a preemptive type hand, planning to bid
5C on the next round.
Also see chapter RESPONSES BY A PASSED HAND in this book.