Unusual vs Unusual

unusual vs. Unusual is a defense against the Unusual Notrump.. It is used after partner opens the bidding and the opponents overcall 2NT to show the lowest two unbid suits. For simplicity, the following description uses examples when partner opens 1 or 1 and the opponents overcall 2NT. However, Unusual vs. Unusual should also be used when partner opens 1 or 1.

Conventional responses after 1/ (2NT) :

Double.   Natural with interest in penalizing the opponents in one of their suits.

3,           A limit raise or better in partner's suit. Forcing.

3,          A game-forcing hand in the unbid major. Forcing.

3,          A constructive raise (7-10 points) opposite a 1 opening. 

                 A natural non-forcing bid opposite a 1 opening. 

3,          A constructive raise (7-10 points) opposite a 1 opening.

                 A natural non-forcing bid opposite a 1 opening.