We didn't get the right spot last night in the following auction (unfavorable, IMPS): 1♣-(3♣) and I held: ♠QTxxx ♥xxx ♦Kxx ♣Jx I thought this was a bit light for a double, which we play as 7-8 here, so I passed and heard: P-3♦-P Now I was happy to introduce spades, but we hadn't discussed how weak I can be to do so. 3♠ was passed out, and partner held: ♠AK9 ♥Axx ♦AQJTx ♣Tx Club, club, heart shift, but spades split and we made 10 tricks for a bad score. Bad luck, bad bidding by me, my partner, both, or all of the above? Any agreements that might help in these awkward situations? Bill Campbell