DEVELOPPEMENTS OF 1♣ OPENINGS OVER OPPONENTS INTERFERENCE
TRANSFER RESPONSES OVER OPPONENTS DBL AND 1 LEVEL OVERCALLS
NATURAL RESPONSES OVER OPPONENTS 1NT AND 2 LEVEL OVERCALLS

1♣ - (DBL) BY OPPONENTS

    RDBL 9+HCP 
    SYSTEM ON

1♣ - (1♦) BY OPPONENTS

    PASS♣PASS OR TRAP PASS
    DBL♣ 5-8 HCP 5+♥ OR 8+HCP 4♥ (NO 5+♣)
    1♥   5-8 HCP 5+♠ OR 8+HCP 4♠ (NO 5+♣)
    1♠   8+HCP NO 4 CARD MAJORS
    1NT♣ 8-11 HCP NO 4 CARD MAJORS W DIAMOND STOPPER
    2♣   9+HCP 5+♣ (TRANSFER CUE-BID)
    2♦   9+HCP 5+♥
    2♥   9+HCP 5+♠
    2♠   8-11 HCP 5+♣ 4♠
    2NT♣ 7-10 HCP 5+♥ 5+♠(UNBID 2 SUITS)
    3♣   8-11 HCP 5+♣ 4♥
    OVER OPPONENTS INTERFERENCE;
     *1NT ALWAYS NATURAL
     *2NT UNBID 2 SUITS


1♣ - (1♥) BY OPPONENTS

    PASS♠PASS OR TRAP PASS
    DBL♠ 5-8 HCP 5+♠ OR 8+HCP 4♠(NO 5+CARD MINORS)
    1♠   8+HCP NO 4 CARD MAJORS
    1NT♠ 8-11 HCP NO 4 CARD MAJORS W HEART STOPPER
    2♣   9+HCP 5+♦
    2♦   9+HCP 5+♣ (TRANSFER CUE-BID)
    2♥   9+HCP 5+♠
    2♠   8-11 HCP 5+♦ 4♠
    2NT♠ 7-10 HCP 5+♦ 5+♠(UNBID 2 SUITS)
    3♣   8-11 HCP 5+♣ 4♠
    OVER OPPONENTS INTERFERENCE;
     *1NT ALWAYS NATURAL
     *2NT UNBID 2 SUITS

1♣ - (1♠) BY OPPONENTS

    PASS♠PASS OR TRAP PASS
    DBL♠ 5-8 HCP 5+♥ OR 8+HCP 4♥(NO 5 CARD MINORS)
    1NT♠ 8-11 HCP NO 4 CARD MAJORS W SPADE STOPPER
    2♣   9+HCP 5+♦
    2♦   9+HCP 5+♥
    2♥   8-11 HCP 5+♦ 4♥
    2♠   9+HCP BALANCED OR 5+♣
    2NT♠ 7-10 HCP 5+♦ 5+♥ (UNBID 2 SUITS)
    3♣   8-11 HCP 5+♣ 4♥
    OVER OPPONENTS INTERFERENCE;
     *1NT ALWAYS NATURAL
     *2NT UNBID 2 SUITS

1♣ - (1NT) BY OPPONENTS

    PASS♠PASS 
    DBL♠ 9+HCP PENALTY
    2♣   MAJORS
    2♦   5+♦ 4M
    2♥   5+♥ 
    2♠   5+♠
    2NT♠ 2 SUITED
    3♣   6+♣ PREEMPT
    3♦   6+♦ PREEMPT
    3♥   6+♥ PREEMPT
    3♠   6+♠ PREEMPT

1♣ - (PASS) - 1♦ *HEARTS* - (1♠ ) BY OPPONENTS

    PASS♠MIN. OR TRAP PASS(CAN BE 15-17 BALANCED)
    DBL♠ 14+HCP 3♥(SUPPORT)
♠        IF OPPONENTS PASS
♠           NEW SUIT F1R
♠           SIMPLE RAISE OR REBID SIGN-OFF
♠           JUMP RAISE OR JUMP REBID INV.
♠           ALL NT NATURALS
♠        IF OPPONENTS BID
♠           DBL PENALTY
♠           NEW SUIT F1R
♠           SIMPLE RAISE OR REBID SIGN-OFF
♠           ALL NT NATURALS
    1NT♠ 15-17 HCP BALANCED W ♠ STOPPER
♠        SYSTEM ON.
    2♣   11-13 HCP 6+♣ NO 3♥
    2♦   16+HCP 5+♣ 4+♦ NO 3♥
    2♥   11-13 HCP 4♥ UNBALANCED 
    2♠   4♥ UNBALANCED 15-17 HCP OR 4♥ BALANCED 16-17 HCP
    2NT♠ 18-20 HCP BALANCED
    3♣   16+HCP 6+♣ 
    3♦   6♣ 5♦ 11-14 HCP
    3♥   4♥ BALANCED MIN.OR 5♣ 4♥ 14-15 HCP
    3♠   5♣-4♥-2-2 OR 4♣-4♥-4-1 18+HCP
    3NT♠ 4♥ ♠ SING. 18+HCP
    4♣   SOLID 6+♣ 4♥ 18+HCP
    4♦   4♥ SPLINTER 18+HCP
    
    CUE-BID IS ALWAYS BALANCED OR UNBALANCED LIMIT RAISE
    DBL IS SUPPORT DBL AND BETTER THEN MIN.
    1NT 15-17, JUMP TO 2NT 18-20 HCP BALANCED
    2NT W/O JUMP IS TRANSFER

RESUME: AFTER RESPONSE TO 1 MINOR OPENING AND RHO OVERCALLS:

        DBL=NEG 3 CARD SUPPORT AND BETTER THEN MIN.
        1NT=NATURAL 15-17 HCP W STOPPER
        JUMP TO 2NT=NATURAL 18-20 HCP W STOPPER
        2NT W/O JUMP=TRANSFER (TRANSFERS ARE BETWEEN 2NT AND OPENING SUIT.NO TRANSFER 
        CUE-BID.
        NEW SUIT IS NATURAL
        PASS MIN.UNBALANCED OR 15-17 NT W/O STOPPER
        JUMP RAISE BALANCED 15-16 HCP OR 5/4 14-15 HCP
        CUE-BID 4 CARD RAISE BALANCED 16-17 HCP OR UNBALANCED 15-17 HCP


COMPETITIVE EXAMPLES


 1)     1♣  PASS  1♦  2♦
        ?

        PASS♦♦♦♦MIN.UNBALANCED OR 15-17 NT W/O STOPPER
        DBL♦♦♦♦ 3♥ BETTER THEN MIN.
        2♥♦♦♦   4♥ UNBALANCED 11-14 HCP
        2♠♦♦♦   5+♣ 4♠ NATURAL F1R
        2NT♦♦♦♦ TRANSFER TO ♣ 6+♣ INV.+
        3♣♦♦♦   6+♣ COMPETITIVE
        3♦♦♦♦   MAX NT 4♥ OR 5+♣ 4♥ 15-17 HCP
        3♥♦♦♦   MIN.NT 4♥ OR 5+♣ 4♥ 14-15 HCP 
        3♠♦♦♦   5♣-4♥-2-2 OR 4♣-4♥-4-1
        3NT♦♦♦♦ ♠  SPLINTER
        4♣♦♦♦   6♣ 4♥ FG
        4♦♦♦♦   SPLINTER
        4♥♦♦♦   4♣ 4♥ 18-20 HCP

 2)     DEVELOPPEMENTS OF POSITIVE RESPONSES OVER 1 MINOR OPENING
        AFTER LHO OVERCALLS:

EXAMPLE:  1♣  1♥  2♥  PASS
        ?

        2♠♦     MIN. 2+♠
        2NT♦♦   18-20 HCP BALANCED (CAN BE 3♠)
        3♣♦     6+♣ F1R
        3♦♦     NATURAL F.
        3♥♦     STOPPER ASKING
        3♠♦     FG 4♠
        3NT♦♦   15-17 2♠ W STOPPER
        4♣♦     6♣ 4♠
        4♦/♥    SPLINTER
        4♠♦     TO PLAY (15-17 NT 3+♠ OR 13-14 4♠)

 3)     1♣  PASS  1♥  1NT  PASS ?

        ALL BIDS ARE NATURAL EXCEPT RESPONDER'S SUIT (CUE-BID STAYMAN)
        2♣      5+♣ NATURAL
        2♦      5+♦ NATURAL
        2♥      4♠ STAYMAN
        2♠      5+♠ NATURAL
        2NT♦    NATURAL
        3X♦     NATURAL INV.