[mediesel]

Sitting South in Robot tournament, I dealt and opened:

1C 2C P 3C alerted as 3+ 3+ in Majors.
E. GIB actually had hearts and spade void (V,AKQ7,Q10987642,6)

Believing this alert, I pulled N GIB's penalty double of W Gib's 4S bid.

LOL, obviously W GIB believed E also!

[Bbradley62]

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If 2♣ shows 12+ total points and 3♣ shows 14+ total points with a double fit, why is 3♣ only forcing to 3♥?

It's also strange that 5♥ is described as a cue bid and West passes it.

[lycier]

Bbradley62, on 2015-February-23, 22:24, said:

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If 2♣ shows 12+ total points and 3♣ shows 14+ total points with a double fit, why is 3♣ only forcing to 3♥?

It's also strange that 5♥ is described as a cue bid and West passes it.

I never think the explanations of Gib are incorrect.
1- I think the key problem is definition of 3♣,according to Gib CC,cuebid 3♣ promises 3+♥ and 3+♠,so 3♣ for this hand is not a inapropriate bid since voidness in ♠.
2-

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why is 3♣ only forcing to 3♥?

If you think "forcing to 3♥" is a good option,how to signoff 3♥? so here,no problem.
3-

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It's also strange that 5♥ is described as a cue bid and West passes it.

Please take care of mediesel's bidding !
At first,mediesel cuebid have promised 3+♥ and 3+♠,then after ♠ trump confirmed by Gib W,5♥ is also a cuebid with 3+card support for sure,pass should be a playable option.

[georgi]

Fixed 3♣ call for next version not to mislead about lengths ( i.e. using with just one of them ).

However will be addressed about possibility to be general GF and partner to differentiate his strength over such forcing.