Opening 2 ♠ 10-13 HCP                                         ≈ 6% openings                                         

                       5♠-4+ m + shortage or 6+♠, denies 4♥

                       (with 5♠-4m-3♥ and 13 HCP open 1♠)

 

 

2NT = asks for the minor.

       3♣ = 5+♠-4+♣.

            3♦ = RELAY . Research TRIPLETON .

                 3♥   = 5+♠-4+♣-3♦  (major shortage) **

                 3♠   = 5+♠-4+♣-3 ♥ (minor shortage) **

                 3NT  = 5♠-5+♣-2-1. (no tripleton and not 6♠ )

                 4♣   = 6♠-4♣-2-1. (6th ♠ is bidden at the 4 level).

              3♥ = 5+ ♥ . Ambitions, otherwise we relays.

            3♠ = Invitational.

 

       3♦ = 5+♠-4+♦ (but not 5-5-2-1)

             3♥ = RELAY . Research TRIPLETON .

                 3♠   = 5♠-4+♦-3+♣   (major shortage) **

                 3NT  = 5♠-4+♦-3♥    (minor shortage) 

                 4♣   = 6♠-4♦-3 ♥-0♣ Max. (6th ♠ is bidden at the 4 level).

                 4♦   = 6♠-4♦-2-1. (6th ♠ is bidden at the 4 level).

             3♠ = invitational.

       3♥ = 6+♠, single-suiter maxi. → 3♠ = singleton?

       3♠ = 6+♠, single-suiter mini.

       3NT = 5♠-5+♦-2-1. (No tripleton)

             → 4♣ =  ♦ raise mini or ♥ raise ambitions + control.

             → 4♦ = TURBO

       4m = 6♠ correct-5m.

 

3♣   = 5+♥ , invitational+. Request the number of ♥.

      3♦ = 0-2♥ . → 3♥ = 6+♥ , not forcing. → 3♠ = not forcing.

      3♥ = 3♥ mini.

      3♠ = 0-1♥ , 6+♠ solid.

      4♥ = 3♥ Max.

 

3♦  = 6+ cards. Forcing.

3♥  = 6+ ♣ . Forcing.

3♠  = pre-empt.

3NT = 4-4-3-2 ♠ (5m-3-3-2). Well guarded suits (especially tripleton).

4m  = SPLINTER.

 

Announcement of tripletons for major-minor two-suiter :

1st level =  major shortage. 2nd = minor shortage

** We can revive on 3NT with 5-5-3-0 Max or 6M-4-3-0

direct 3NT = 5M-5♦-2-1, delayed 3NT = 5M-5♣-2-1

Direct 4m = 6M correct-5m, deferred 4m = 6M-4m