correct. Double is for penalties. Negative double Through 4♦ Negative doubles include, apart from standard agreements, forcing hands with a weak 5-card suit and – after 1♥/1♠ opening – invitational no-trump hands. When the second defender overcalls Support double. A support double does not show extras but promises offensive values. After a 1♣ opening, double is two-way: either a support double or a stronger variant of the opening. Defensive bidding No−trump hands 1NT and 2NT non-jump overcalls – 15–18 HCP with a stopper. Subsequent bidding: the same as after a 1NT opening 1NT re-opening – 12–15 HCP. Subsequent bidding: the same as after a 1NT opening 2NT re-opening – 19–21 HCP Subsequent bidding: similar to after the 1NT opening Jump overcalls – direct: natural, pre−emptive; re−opening: constructive Takeout doubles and strong doubles (17+HCP). Takeout doubles promise three cards in unbid majors and two cards in unbid minors. Equal level conversion shows extras. After partner has doubled 1♣, a 1♦ bid is negative, other 1-level suit bids are forcing. After 2♦ artificial opening (Multi or Wilkosz) Second hand's double is for takeout of spades. Pass and then double after 2♥/3♥ in the next round is for takeout of hearts: 2♦ dble 2♥ dble = responsive 2♦ dble 2♠ dble = punitive Fourth hand's live double is for takeout: 2♦ pass 2♥/2♠ dble = takeout of hearts/spades respectively Direct cue bid Michaels cue bid – unlimited Jump cue bid Jump cue bid shows either a solid suit and asks for a stopper or shows any game-forcing one-suiter hand. Versus strong 1 NT opening Double shows two suits: 5+ cards in a minor, 4+ cards in a major. 2♣ = major two-suiter 2♦ = 6+ card in one major 2♥/2♠ = 5 cards in the bid suit and a 4-card minor Versus weak 1NT opening Double is for takeout. Other bids show the same shape as versus a strong no trump and promise opening values. Other Drury (2♣) promises fit, rebidding the suit is weakest bid. Lebensohl after 2♥/2♠ and partner's double Leads and signals Leads are 2nd best from bad suits (low from two); 4th best from good suits; top of honours; ace from ace-king, king from king- -queen, etc., except 9 from 109x(x). Signals are upside down throughout. In partner's led suit, count is preferred in suit contracts, attitude is preferred in no trump contracts. Echo against no trump contracts –