Openings
Pass = 13+; 1♠ opening = 0-7 any
Other openings = 7-12, artificial
Simple defenceResponses
Relays (shape-asks) over all openings
Most other responses not forcing
Pass = 13+Ignore, but 1NT = strong
and 2 = overcall
1 = 0-6 any; 1 = 11+ shape ask
1 = 4+♠; 1♠ = 4+, 1NT+ natural, all 7-10 pts
1 = 4+
could be canapé, 7-12 pts
X = tko of
1 = natural
1 = 13-15 any (or some weaker hands)
1 = 16+ shape ask, 0thers not forcing
1 = 4+♠, not 4
could be canapé, 7-12 pts
X = tko of ♠
1♠ = natural
1 = 13-15 any (or some weaker hands)
1♠ = 16+ shape ask, others not forcing
1 = 7-12 balanced, no 4cMX = majors1♠ = 13+ strength / shape ask; others not forcing
1♠ = 0-7 pts , any shapeBids = 12-15
X = 16+ any, 2 negative
1NT = 15-19
2 = 19+ any, others not forcing
1NT = 5+, no 4cM, 7-12 ptsX = tko of
2 = Michaels
2 = 13+ strength / shape ask
2 = to play, others not forcing
2 = 5+, no 4cM, 7-12 pts2 = 16+ shape ask, others not forcing
2 = 6-cd Major, 3-7 pts2/♠ = pass or correct, 2NT = strong enquiry
2 = 5& 4-cd minor, 6-10
2♠ = 5♠ & 4-cd minor, 6-10
2NT = 5-5 minors, 7-12 pts
2NT asks for minor
Others not forcing