1♦ Opening

♣ - ♦ - ♥ - ♠

1♦ OPENING 11-14

Description:

1♦ opening shows 4+  cards, 11/14(bad 15) hp:

e.g.:

• 4♠.4♥.4♦.1♣ (also 1NT opening)

• 4♦ + 5♣ 2nd bid 2♣

• 5♦ + 4♣ 2nd bid 2♣

• 5♦ + 4M natural developments

• 6♦