User:Brian/Bridge/Flowchart start

I am the dealer, or everyone before me has passed → See Opening bids.

My partner has opened 1NT or 2NT → See Responding to notrump openings.

My partner has opened 1 of a major → See Responding to a one-level major opening.

My partner has opened 1 of a minor → See Responding to a one-level minor opening.

My partner has made a weak opening → See Responding to a weak opening.

RHO has opened → See Overcalls.

LHO has opened and my partner has passed → See Overcalls.

One of the opponents opened and my partner overcalled → See Responding to an overcall.

One of the opponents opened and my partner made a takeout double → See Responding to a takeout double.