Openings – preemptive, standard, strong

Declarer play: playing trumps with 4-4 fit

1♥/♠ opening – bidding with fit

1♥/♠ opening – bidding without fit

1NT opening – "Stayman convention"

1NT opening – "Transfer convention"

1♣ opening – first responses

1♣ opening – opener's rebids (second bid)

1♦ opening – differences with 1♣ opening

Declarer play: holding up a stopper

Defence: breaking declarer's communication

Preemptive openings – further bidding

Bidding after opponents preempted

Bidding after strong 2♣

Bidding after strong 2♦

Bidding after strong 2NT

Declarer play: advanced finessing

Defense: playing according to dummy's holding

Overcalls and takeout doubles