1 |
17+; F1R |
|
1 |
0-7; F1R |
|
1 / |
17-21, 5+(4) cards |
1NT |
17-19, balanced |
2 / |
17-21, 5+ cards |
jump in suit |
22+; F1R |
2NT |
22-24, balanced |
|
1 / |
8+, 5+ cards; GF |
|
|
1NT |
8-10, balanced; GF |
|
2 |
Asking for majors |
2 / / |
5+ cards |
3 |
6+ cards |
|
2 / |
8+, 5+ cards; GF |
2 |
8-10, any 4441; GF |
|
2 |
4+ cards (rarely used) |
|
2NT |
singleton  |
3 / / |
singleton |
|
2NT |
Asking for singleton suit |
|
|
3 / / |
4+ cards (rarely used) |
|
3 / / |
singleton |
3NT |
singleton in partners suit |
|
|
2 |
11-13, any 4441; GF |
|
2NT |
Asking for singleton suit |
|
|
3 / / / |
4+ cards (rarely used) |
|
3 / / |
singleton |
3NT |
singleton in partners suit |
4 |
singleton |
|
|
2NT |
11-13, balanced; GF |
|
3 |
Asking for majors |
3 / / |
5+ cards |
|
|
1 |
11-16, 4+; or 12-13, balaced with 3334 or xxx5 (x=2 or 3) |
|
1NT |
7-11 |
2 /3 |
5+ card support |
2NT |
12-13; balanced without major |
|
1 / |
11-16, 4+ (with 11 balanced, only open with a good suit and
non vulnerable) |
|
1NT |
7-11 |
2NT |
Stenberg; GF |
some jumps in a new suit |
splinter; GF |
|
1NT |
14-16, balanced |
2 |
11-16, 5 cards with a 4 card major; or 6+ |
|
2 |
F1R |
|
2 / |
4 cards |
|
2NT/3 |
natural |
other |
natural; F1R |
|
2NT |
about 13-14, 6+  |
|
3 |
natural |
|
3 |
11-12, 6+  |
3 |
max, 4+ cards |
3 / |
max, singleton |
3NT |
15-16, no singleton |
|
2 / |
5+ cards; F1R |
2NT |
invitational |
3 |
5+ cards; F1R |
|
2 / / |
weak |
2NT |
20-21, balanced |
3 / / / |
preemptive, 7+ cards |
3NT |
gambling (going minor (7+ cards), no more than a king on the side) |
3 / |
SAT |
4 / |
preemptive, (7)8+ cards |