DEVELOPPEMENTS OF 1♠ OPENINGS OVER OPPONENTS INTERFERENCE

1♠ - (DBL) BY OPPONENTS

    RDBL♠9+HCP
    1NT♠ 6+HCP TRANSFER TO ♣ (NATURAL OR LEAD DIRECT)
    2♣   6+HCP TRANSFER TO ♦ (NATURAL OR LEAD DIRECT)
    2♦   6+HCP TRANSFER TO ♥ (NATURAL OR LEAD DIRECT)
    2♥   8+HCP 3+♠ GOOD RAISE
    2♠   5-8 HCP 3+♠
    2NT♠ 9+HCP 4+♠     
    3♣   9+HCP 4+♠ 5+♣
    3♦   9+HCP 4+♠ 5+♦
    3♥   9+HCP 4+♠ 5+♥
    3♠   PREE. 4+♠
       
1♠ - (2♣) BY OPPONENTS

    DBL♠ 8+HCP 4♥, 5-8 HCP 5+♥ OR 10+HCP 
    2♦   9+HCP 5+♦
    2♥   9+HCP 5+♥ 
    2♠   5-9 HCP 3+♠
    2NT♠ 4+♠ INV.+
    3♣   8+HCP 3♠ INV.+
    3♦   7-10 HCP 4+♠ 5+♦
    3♥   7-10 HCP 4+♠ 5+♥
    3♠   PREE. 4+♠
    3NT♠ 12-15 HCP NATURAL
    4♣   10-12 HCP 4+♠ ♣ SING.
    4♦   11+HCP 4+♠ 5+♦
    4♥   TO PLAY
    4♠   PREEMPT
 
1♠ - (2♦) BY OPPONENTS

    DBL♠ 8+HCP 4♥, 5-8 HCP 5+♥ OR 10+HCP 
    2♥   9+HCP 5+♥
    2♠   5-9 HCP 3+♠ 
    2NT♠ 4+♠ INV.+
    3♣   10+HCP 5+♣
    3♦   8+HCP 3♠ INV.+ 
    3♥   7-10 HCP 4+♠ 5+♥
    3♠   PREE. 4+♠
    3NT♠ 12-15 HCP NATURAL
    4♣   11+HCP 4+♠ 5+♣
    4♦   10-12 HCP 4+♠ ♦ SING
    4♥   TO PLAY
    4♠   PREEMPT

1♠ - (2♥) BY OPPONENTS

    DBL♠ 8+ NEG.
    2♠   5-9 HCP 3+♠
    2NT♠ 4+♠ INV.+
    3♣   10+HCP 5+♣
    3♦   10+HCP 5+♦
    3♥   8+HCP 3♠ INV.+
    3♠   PREE. 4+♠
    3NT♠ 12-15 HCP NATURAL
    4♣   8+HCP 4+♠ 5+♣
    4♦   8+HCP 4+♠ 5+♦
    4♥   10-12 HCP 4+♠ ♥ SING.
    4♠   PREEMPT