To make an asking bid, opener should have a side suit that can score ruffs opposite a singleton or void. Examples: Axxx, Axx, xxxx. Alternatively, opener may have a good side suit and will stop in game opposite shortness (i.e. a misfit).
The convention is named for Lew Mathe, the late American expert and WBF Grand Master.
After the auction begins 1 : 3
, opener bids
Rebid | Meaning |
---|---|
3NT | A singleton / void in ![]() |
4![]() | A singleton / void in ![]() |
4![]() | A singleton / void in ![]() |
4![]() | No singleton / void |
If the auction begins 1 : 3
, opener bids 3NT to ask for a short suit). Responder's rebids are:
Rebid | Meaning |
---|---|
4![]() | A singleton / void in ![]() |
4![]() | A singleton / void in ![]() |
4![]() | A singleton / void in ![]() |
4![]() | No singleton / void |
Opener | Responder | ||||
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Opener 1 ![]() 3 ![]() Pass |
Responder 3 ![]() 4 ![]() |
Opener | Responder | ||||
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Opener 1 ![]() 3 ![]() 4 ![]() 6 ![]() |
Responder 3 ![]() 3NT (3) 4 ![]() Pass |
Opener | Responder | ||||
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Opener 1 ![]() 3NT (2) 4 ![]() |
Responder 3 ![]() 4 ![]() Pass |
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