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Nonforcing?

#1 User is offline   helene_t 

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Posted 2019-October-04, 14:56

1h 1s
2d 2nt
4d pass

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#2 User is offline   broze 

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Posted 2019-October-04, 17:05

Forcing 6-5
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#3 User is offline   Winstonm 

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Posted 2019-October-06, 08:29

It seems at first that 4D should be invitational as responder has limited his hand with 2N - but the key issue is that the only games seemingly available to opener's POV are 4H and 5D. Ergo, the only jump that still leaves 4H as a possible landing spot is 4D. Therefore, 4D is best used as forcing to at least 4H.
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