Conventions
All about doubles
Recommended
Slam conventions
1NT opening
- Definition of 1NT
- When to open 1M/1NT
- Garbage Stayman + Smolen,
- Major transfers, minor transfers
- 3♣ Puppet Stayman
- 3♦/♥/♠ Major shortness transfers
- 4♣/♦ Texas transfers
- Other Major Relay (OMAR)
2♣ opening
2♦/2♥/2♠ opening
2NT opening – 20-22
- Puppet Stayman
- Major transfers on 3rd level and Texas transfers 4♣/♦
- minor transfers 3♠ and Texas transfers 4♥/♠
3 & 4-level opening
Overcalls
After 1-level openings
After 1NT opening
Direct overcalls:
- X = punitive, 14+ HCP, 4+ EHT
- 2♣ = 4+4+ Majors (Landy)
- 2♦ = Transfer, 5+♥
- 2♥ = Transfer, 5+♠
- 2♠ = 4♠5+m
- 2NT = minors
- 3X = natural
Reopen overcalls:
- X = take-out
- 2♣ = 4+4+ majors (Landy)
- 2♦/♥/♠ = 5+card natural
- Higher = same
Bidding after opponent's overcall
We have opened
Opps overcall standard
- Double is negative showing other Major (both Majors)
- New suit is forcing, 2nd-level promise INV+
- 2nd-level jump in the new suit is INV with 6-card
- 3rd-level jump is natural preemptive
- 2NT is natural after 1♣/♦, INV+ with fit after 1♥/♠
Opps preempt on the 2nd level
Milan's system
- Double is variable
- New suit on the 2nd level is natural and NF!
- 2NT is conventional and variable
- 3♣ is transfer to diamonds
- 3♦ is transfer to the other Major
- 3OM is natural, INV with 6-card
Opps preempt higher
- To keep it simple, any bid is GF!
- Double is showing honor strength and is (semi)balanced
- New suit on the 3rd level is natural and GF!
- 3♦ after 3♣ or 4♦ after 4♣ shows both Majors
- 4♣/♦ after 3♥/♠ overcall is a 2-suiter 55 with the other Major, but can be also 6m4M