As an opening[]
In every system, a 3♣ opening is preemptive.
After an opening of one of a suit[]
After partner opens at the one level, 3♣ is a jump shift. Its meaning varies greatly, depending on the system, but is typically either very strong or very weak.
After a 1NT opening[]
After partner opens 1NT, 3♣ can have a number of meanings, such as
- Splinter bid
- Puppet Stayman
After partner double's RHO's weak two opening[]
3♣ is a response bid to Lebensohl.
Bids |
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1♣-1♦-1♥-1♠-1NT |