System | Standard American Yellow Card |
NT | 1NT = 15-17, 2NT = 20-21, 3NT = 25-27, Jacoby Transfer, 2♠ forces 3♣, 3♣/3♦ inv |
Majors | 5-card Majors, Jacoby 2NT, Raise = limit (pre-empt over X) |
Minors | 1♦ shows 4 except 4432, Raise = limit, 1m 1NT = 6-10, 1m 2NT = 13-15, 1m 3NT = 16-17 |
Strong | 2♣ shows 22+ balanced or 9+ tricks, 2♦ artificial, may be waitng |
Weak | 2♦, 2♥, 2♠ shows 5-11 hcp, good 6 cards, RONF, 2NT asks feature |
Overcalls | 8-16 hcp, cue is one round force, jump overcall is pre-emptive |
NT-Over | 1NT = 15-18, 2♣ Stayman, other systems off, Unusual 2NT = Lower 2 unbid suits |
Doubles | Negative to 2♠ |
VS.Doubles | New Suit Force 1-level, 2NT = Limit raise or better |
Preempts | may be light |
Vs.Preempts | Dbl is takeout at 2 and 3 level, 2NT over weak 2 = 16-19 hcp Bal |
Cuebids | Michaels (5-5), or natural if opp's have bid 2 suits |
Slam-Bids | Blackwood, GSF, DOPI, Gerber over 1NT, 2NT openings, respsonses and rebids |
Suit-leads | 4th best, Kqx Qjx Jtx T9x kJtx kT9x qT9x xxX xxxX xxxXx aKx |
NT-leads | 4th best, aKjx aQjx aJt9 aT98 Kqjx kQt9 kJt9 kT98 Qjtx qT98 Jt9x T98x xxX xxxX xxxXx |
Carding | high discard encourages, low discourages, infrequent count signals |