2NT Good Major Raise in Competition

Not being used in free-run bidding, but used in the following sequences:

• 1M (Dbl) 2N
• (1X) 1M (…) 2N
• (1♠) 2♥ (P/Dbl) 2N

Note

8+ card fit is assured, and we don’t play at 3N (which is non-serious 3N)

… 2N = Good Major Raise

• 3♣
  Art. Either (1) Min or (2) GF+ no extra trump or side 5+ suit

  • 3♦
    GF relay

    • 3♥
      No extra trump. 3♠ ask short. Answer like below
    • 3♠
      No short
    • 3N/4m
      extra trump. short oM/m
    • 4M
      extra trump. No short
  • 3M
    NF
  • 3oM/4m
    GF+ 5+ suit. Next step is 6-key RKCB
• 3♦
  GF. Extra trump

  • 3M
    ST
  • 3oM/4m
    source of tricks
• 3♥/♠
  GF. 5+♣/♦

  • 4m
    Fit m. Next step is 6-key RKCB
• 3N/4m
  extra trump. Short oM/m
• 4♥
  (After ♠) 5+♥
• 4M
  To play