OVERCALLS

DESCRIPTION: WHY WE OVERCALL?
             1-MAKE THE CONTRACT
             2-TO COMPETE
             3-SHOW THE LEAD
             4-MAKE DIFFICULTIES TO OPPONENTS

             OVERCALL AT VULNERABLE IS TO MAKE THE CONTRACT.
             CAN OVERCALL LIGHT AT NON VULNERABLE TO FIND GOOD SACRIFICE.

RESPONSES TO OVERCALLS

NEW SUIT            NATURAL F1R
1NT                 8-12 HCP CONSTRUCTIVE
2NT                 13-15 HCP
3NT                 TO PLAY
CUE-BID             3 CARDS SUPPORT
JUMP CUE            4+CARDS SUPPORT
JUMP IN A NEW SUIT  5+CARDS AND 4+TRUMPS

OVER RESPONDER NEW SUIT OVERCALLER'S REBID:

REPEAT THE SUIT     MIN.PASSABLE
RAISE               3+ 8-12 HCP
JUMP RAISE          4+ 8-12 HCP
CUE                 3 CARDS SUPPORT 12+HCP
JUMP CUE            4+ 12+HCP


2 SUITED OVERCALLS

1♣  2♣ = 5+♠ 5+♥; 1♣  2NT = 5+♠ 5+♦; 1♣  3♣ = 5+♥ 5+♦
1♦  2♦ = 5+♠ 5+♥; 1♦  2NT = 5+♠ 5+♣; 1♦  3♣ = 5+♥ 5+♣; 1♦  3♦ = STOPPER ASKING
1♥  2♥ = 5+♠ 5+♦; 1♥  2NT = 5+♠ 5+♣; 1♥  3♣ = 5+♦ 5+♣; 1♥  3♥ = STOPPER ASKING
1♠  2♠ = 5+♥ 5+♦; 1♠  2NT = 5+♥ 5+♣; 1♠  3♣ = 5+♦ 5+♣; 1♠  3♠ = STOPPER ASKING

JUMP CUE CAN BE 2 LOVEST UNBID FG.
2 SUITED OVERCALLS SHOW OPENING VALUES.
2NT ASKING LENGTH AND STRENGTH
CUE-BID IS FG AND SUPPORT TO ONE OF PARTNER'S SUIT
JUMPS ARE PREE. OR TO PLAY.

2 SUITED OVERCALL AT 4.SEAT

1♣  PASS  1♦  ?

2♣      MAJORS
2♦      NATURAL
2NT♣    MAJORS 6/5

GENERAL RULE:OPENER'S CUE IS 2 SUITED.
RESPONDER'S CUE IS NATURAL.

1NT OVERCALL

15+-18 HCP BALANCED OR SEMI BALANCED

RESPONSES TO 1NT OVERCALLS

STAYMAN AND 3 WAY TRANSFER.
TRANSFER CUE IS STAYMAN.


1♣-1NT-PASS-?     1♦-1NT-PASS-?     1♥-1NT-PASS-?     1♠-1NT-PASS-?

2♣=STAYMAN        2♣=STAYMAN        2♣=TRANSFER ♦♠♠♠ 2♣=TRANSFER ♦
2♦=TRANSFER ♥♠♠♠ 2♦=TRANSFER ♥♠♠♠ 2♦=STAYMAN        2♦=TRANSFER ♥
2♥=TRANSFER ♠♠♠♠ 2♥=TRANSFER ♠♠♠♠ 2♥=TRANSFER ♠♠♠♠ 2♥=STAYMAN
2♠=TRANSFER ♦♠♠♠ 2♠=TRANSFER ♣♠♠♠ 2♠=TRANSFER ♣♠♠♠ 2♠=TRANSFER ♣
2NT=NATURAL♠      2NT=NATURAL♠      2NT=NATURAL♠      2NT=NATURAL
3x=PREE.♠         3x=PREE.♠         3x=PREE.♠         3x=PREE.

SYS ON ALL NT OVERCALLS.
1x 1NT;2x 2NT;3x 3NT


JUMP OVERCALLS

6+ CARDS WEAK.AT VULNERABLE IS SOUND.


DEFENCE TO 1NT OPENING

TO 12-14 HCP WEAK NT

DBL             T/O FOR MAJORS OR BALANCED 15+HCP
2♣♠♠♠          MAJORS 5+/4+
2♦/♥/♠/3♣      TRANSFER TO ♥/♠/♣/♦
2NT             5/5 MINORS
3♦♠♠♠          5/5 MAJORS FG
3♥/♠♠♠         PREE.AT N/V,INV.AT VULN.

TO 15-18 HCP NT

DBL             OVERCALL IN A MINOR OR 5+m 4M GOOD HAND
2♣♠♠♠          MAJORS
2♦♠♠♠          5+M 5+m
2♥/♠♠♠         NATURAL
2NT             5/5 MINORS

RESPONSES TO OVERCALLS(OVER WEAK NT)

1NT DBL PASS ?

PASS            8+HCP 
2♣♠♠♠          0-7 HCP NATURAL OR BALANCED
2♦/♥/♠♠        0-7 HCP 5/6 CARDS NATURAL
JUMPS           NATURAL INV.

1NT DBL 2x(NAT.OR TRF) ?

PASS            MIN.
DBL             CARD SHOWING DBL 
NEW SUIT        COMPETITIVE
JUMPS           INV.
2NT OR CUE      FG 

1NT DBL RDBL(S.O.S)  ?

PASS            8+HCP 
2♣♠♠♠          0-7 HCP NATURAL OR BALANCED
2♦/♥/♠♠        0-7 HCP 5/6 CARDS NATURAL


1NT 2♦/♥/♠/3♣ PASS ? (RESPONSES TO TRANSFERS)

ACCEPTANCE           MIN.
NEW SUIT             NATURAL F1R
2NT                  SUPPORT INV.+
SUPERACCEP.          PREE.
JUMP IN A NEW SUIT   5+CARDS AND SUPOORT

OVER STRONG NT BIDS ARE NATURAL
2NT IS CUE
JUMP RAISE IS PREE.

1NT  2♦  PASS  ?

2♥      P/C
2♠      PASS OR ♥ SUPPORT
3♣      P/C 
3♦      INV.
3♥      P/C PREE.

1NT  2♦  PASS  2NT
PASS  ?

3♣      BLACK SUITS
3♦      RED SUITS
3♥      ♥/♣ MIXED SUITS
3♠      ♠/♦ MIXED SUITS

SYS ON AT 4.SEAT OVERCALLS.