Responder's splinter

Responder's splinter
It's a bid from the Responder which can only be used on P's opening bid in one of the majors. This bid conveys 3 messages to P : fit in the major, strength to go at least to game and a void or singleton in the suit bid.
This convention uses a double jump bid to announce the short suit.

exclusively on an opening major bid
with a minimum of 11HCP

Short suit is bid with a double jump
Splinter can also be used by the Opener (see notes level 3)

S	W	N	E

Problem E98151 Responder's Splinter bid which shows a short ♣ suit (♠ fit and 11HCP)

S	W	N	E

Problem E4914 Showing a short ♠ suit and a ♥ fit.

Splinter is only used when there's no overcall from Opps. You need to have

a minimum strength of 11HCP
no strong suitbiddable
a fit of at least 4 cards in Opener's major
and a short suitvoid or singleton

These 4 conditions must be met
Needless to say, this bid is game forcing!
Be careful! After an overcall, this jump is no longer a splinter.

S	W	N	E

Problem E96151 Responder's splinter showing short ♣ (♠ fit and 11HCP)

S	W	N	E

Problem E4914 Showing short ♠ and a ♥ fit

Splinter is only used when there's no overcall from Opps.

After an overcall in a suituse a cue-bid jump in the overcalled suit to show a Splinter equivalent.
After an intervention of X , a cue-bid jump in one of the suits overcalled is also the equivalent of a splinter

S	W	N	E

Problem E1475 Noticeable cue-bid (equivalent of a Splinter) in Opp's suit - enormous fit, singleton ♥ or even better as in this case : a void.

After an overcall
a jump bid in another suit becomes "meet-me" bid showing:

5 very nice cards (not a short suit!)
a 4 card fit in the major

S	W	N	E

Problem E4977 Example of a "meet-me" bid after an overcall, showing a nice 5-carder (and not a short suit)

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Detail specifications 61DF - Level 2 ★

Responder's splinter

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