| BID | 1NT-2C (FOUR-CARD MAJORS) | 2NT-3C (FOUR-CARD MAJORS) | 2D-2H-2?-3C (AT LEAST 5-4 IN THE MAJORS) | 2D-3C (FIVE-CARD MAJORS) |
|---|
| Pass after overcall | might be passing for penalties, hoping for a reopening takeout double from partner |
| Double | takeout | | |
| Pass after double | Shows a non-horrible four-card suit, willing to play in the doubled conventional bid if partner has trumps too. |
| Redouble | To play, good five-card suit, but partner's allowed to take it out if unsuitable. | Shows a good five-card suit, or alternatively if that's impossible given the earlier bidding then an outstandingly good four-card suit (at least AKQx). | To play, good five-card suit, but partner's allowed to take it out if unsuitable. |
| Diamonds | denies a four-card major | "what's your 5-card major?" | "what's your 4-card major?" |
| Hearts | four hearts | five hearts |
| Spades | four spades, denying four hearts | five spades, happy for 3NT to be played the wrong way up |
| No Trumps | | | to play, denying the majors. | to play, denying the majors |