RESPONDing to suit bids

IN ALL PANELS BELOW, ‘FIT’ MEANS YOU HAVE 8+ CARDS BETWEEN OPENER’S HAND AND RESPONDERS. SO IF THE OPENING BID IS A MAJOR, PROMISING 5+, THEN THREE CARDS IN THAT SUIT GIVES YOU A FIT. IF THE OPENING BID IS ONE DIAMOND, PROMISING 4+, THEN RESPONDER NEEDS 4 CARDS TO HAVE FIT. FINALLY, IF THE OPENEING BID IS ONE CLUB, WHICH MIGHT BE AS FEW AS TWO CLUBS, RESPONDER NEEDS AT LEAST FIVE CARDS IN CLUBS.  I KNOW 5+2 DOESN’T EQUAL 8 BUT THAT’S AN ANOMALY 🙂

MAJOR SUIT OPENING, I HAVE FIT

MAJOR SUIT OPENING, NO FIT 

MINOR SUIT OPENING, I HAVE A 4+ MAJOR

MINOR SUIT OPENING, NO 4+ MAJOR, FIT WITH MINOR, <13 HCP

MINOR SUIT OPENING, NO 4+ MAJOR, 13+ HCP

RESPONDING WHEN OPPONENTS HAVE OVERCALLED

RESPONDING WHEN OPPONENTS HAVE DOUBLED