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THE DEBATE

Weak Jump Shift

Responses Are Best

Two top players debate a hot bridge topic. Tell us whose argument

Frances Hinden has won you over by e-mailing the Editor at elena@ebu.co.uk

IF partner opens 1® or 1t, I like to play you bid, the more you’ve got’ and it was

that a jump to two of a major shows a Hand 3 Hand 4 necessary to jump on strong hands to stop

hand like a minimum weak two – about ´ KQJ972 ´ KQJ972 partner passing later. This led to strong

4-8 points and a six- or seven-card suit. To ™ A 10 4 ™ AQ4 two openings, strong jump overcalls and

see why, suppose you hold: t 9 t 9 strong jump shifts. In North America,

® K73 ® AQ7 where weak twos and weak jump overcalls

are usual, weak jump shifts are also more

´ KQJ972 Partner You popular (although strong jumps are still

™ A 10 4 1t 1´ Playing standard methods, on the first ‘standard’). A more serious handicap is

t 9 2® ? hand you respond 1´ and bid 2´ over a when you have a strong hand with support

® 732 minimum rebid. On the second, you res- for partner. Suppose partner opens 1t

pond 1´ and then jump to 3´ to show an and you have:

invite. On the third, you respond 1´ and

The textbook bid is an invitational 3´. then show a game force in some way This is an easy hand to

Partner might have any of these hands: (inventing a heart suit, bidding the fourth ´ AQJ84 bid in standard methods:

suit, jumping to 4´ . . .). On the last, you ™ A4 you jump to 2´, then

make a strong jump shift with 2´ then t K 10 7 4 raise diamonds and have

´ 3 ´ A3 rebid 3´ to show a very strong hand with ® K3 shown a slam try with

™ K72 ™ 72 a good suit. good spades and pri-

t K Q J 10 7 t AK876 Suppose instead you play an immediate mary diamond support.

® Q654 ® Q654 2´ response to show a weak hand. Now If you are going to play weak jump shifts,

you respond 2´ directly on the first hand, you need another way to show this. One

´ A and have told partner exactly what you popular method in response to a 1™ or 1´

™ 72 have. You have forced the next player to opening is to play a response of 2NT to

t K Q 10 7 6 2 bid at the three level if he wants to come show a game force with four-card support;

® KQJ4 into the auction – and he could have a it is certainly more difficult when opposite

strong hand if opener is minimum. On the a minor because you also need to offer

second hand, you respond 1´ and bid 2´ spades as a possible contract. However,

You might make 3´ on the first, but you’d next, showing an invitational hand with this is a very rare hand compared to a

rather be in 2´. 3NT is best on the second six spades. You’ve shown your hand a level weak response with long spades and in any

and 4´ on the last but partner is forced to lower than in standard methods, allowing case opener’s rebid might solve the

guess. more room to look for the best game, or to problem (he might raise spades, for

This hand is neither a typical strong stop with a misfit. On the third example, example).

jump shift, nor a weak one, so why is it you respond 1´ and then force to game Using these jumps to show a single-

relevant? We need to think about different next round (no difference). On the fourth, suited hand is only one approach – there

hands with six spades. Here are four you respond 1´ then jump to 3´, again are plenty of more complex conventions

possible hands for responder: showing a strong hand with long spades. possible. I haven’t even mentioned three-

In summary, on the first two hands you level jumps in response to 1™ or 1´

are better off playing weak jump shifts, (showing support for partner is popular).

Hand 1 Hand 2 and on the last two you are in the same However, the many alternatives at the two-

´ KQJ972 ´ KQJ972 position. and three-level reflect the general belief

™ 10 4 2 ™ A 10 4 If playing an immediate jump shift as that strong jump shifts are simply less

t 9 t 9 weak is so good, why is it not universal? useful than the other possible uses for the

® 732 ® 732 When contract bridge developed in the bids. Why not try giving them up for a

UK, the general approach was ‘the more while and see what happens? r

38 English Bridge August 2011 www.ebu.co.uk

Index

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