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 | ||||
AQ | 87 | ||||
AK983 | QJ52 | ||||
J752 | K984 | ||||
A6 | KQ5 | ||||
Opener 1 3 (2) Pass |
Responder 3 (1) 4 (3) |
Opener | Responder | ||||
Q873 | 5 | ||||
AKJ83 | QT52 | ||||
6 | AKJ | ||||
AK9 | T8732 | ||||
Opener 1 3 (2) 4 (4) 6 |
Responder 3 (1) 3NT (3) 4 (5) Pass |
Opener | Responder | ||||
AK876 | J942 | ||||
KQJ8 | 5 | ||||
AT6 | K953 | ||||
5 | AQ87 | ||||
Opener 1 3NT (2) 4 (4) |
Responder 3 (1) 4 (3) Pass |
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