Friday, July 15, 2011

Bridge Bidding Systems

Play at bridge of online BBO usually use standard system/basic. As for this offer system is recognized with term of SAYC suggested to player of beginner, and Advanced or 2/1 (Two over One Game Force).
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A. Standard American Yellow Cards (SAYC)

System Summary

BBO-Standard American Convention Card
OPENING 1NT = 15-17 HCP, Balance
RESPONDER :
Stayman
Jacoby Transferbid
2 = Minor bust
3/ = Natural, 6 cards, Invitational
3/ = Natural, Slam Interest
4♣  = Gerber
    OPENING 2NT = 20-21 HCP, BAL                 
    RESPONDER : Stayman, Jacoby, Transfer, Gerber

    OPENING 3NT : 25-27 HCP
    RESPONDER : Stayman, Transfer

    OPENING 1/ : Natural, 3+ cards, 11-21 HCP
    OPENING 1/ : Natural, 5 cards major, 11-21 HCP

    RESPONDER :
    ·         1NT = Non forcing
    ·         2NT = 4 cards, raise forcing, Opener bid short suit in 3 level
    or 5 cards bid in level 4
    ·         Raise : Limit raise
    ·         3NT = 15-17 HCP, Balance with 4 card support
    ·         Strong Jump Shift
    ·         1 over 1, Natural, 4 cards, F1
    ·         2/1, Natural, FG

    OPENING 2  : Strong, Artificial
    RESPONSE : Natural, 2 = Waiting

    OPENING 2/ : Weak Two
    RESPONDER :
    ·         2NT = Ask Feature Bid Suit
    ·         New suit, Natural Forcing
    ·         Raise, Non Forcing

    Some Additional Converse
    ·         Pre-emptive Jump Overcall
    ·         Negative Double to 2

    Example:

    East     North    West     South
    1        2        Dbl = Negative Double
    1        3        Dbl = Penalty

    Over take out double then bid:
    New suit at level 1 = Natural, Forcing, at level 2 = NF
    Pre-emptive Jump, (differing when opponent follow bid)
    2NT = Limit raise or better, Pre-emptive jumps

    Example:

    East     North       West     South
    1        Double     1/ = Natural, forcing
                              2 = Non forcing
                             2NT = Limit raise or better

    Over Overcall :
    ·         New suit = Non forcing
    ·         Bid suit after double = Natural, forcing
    Over 1NT Overcall (16-18), Stayman
    Over Opening 1NT : Overcall 2 = 2 suit major (response 2 = NAT)

    Response Blackwood or Gerber:
    ·         5 = 0/4 Ace
    ·         5 = 1 Ace
    ·         5 = 2 Ace
    ·         5 = 3 Ace

    4th Suit = One round force
    Unusual 2NT
    Michael Cue bid
    Lead: 4th best
    Signal: Standard signal

    Opening Summary 1NT:
    1NT – 2  : Stayman
    2: No 4 cards major
    2: 4 cards H can 4 cards 
    2: 4 cards , no 4 cards 
    New suit : Natural, forcing

    1NT – 2/ : Transfer to 2/
    Opener bid new suit = Forcing

    1NT – 2 : Long suit minor
    After opener rebid 3 : Responder pass = to play, 3 = NF

    2NT   : Invite to 3NT
    3/ : Invite to 3NT, 6 cards /
    3/ : Natural, slam interest
    3NT  : To play
    4    : Gerber
    4/ : Sign off
    4NT  : Invite to 6NT
    Over 1NT double : system on. Double after overcall 2 = Stayman          

    B. Two over One Game Force (2/1):
    .
    Summary:
    BBO Advanced Convention Card-2/1
    OPENING 1NT : 15-17 HCP, Balance
    RESPONDER :
    Stayman, 4-suit Transfer
    3 = 5/5 minor, weak
    3 = 5/5 minor, strong
    3/ = 5-4 major, singleton /
    Gerber, Texas, Smolen
    System on after double, Lebensohl

    OPENING 2NT : 20-21 HCP, Balance
    RESPONDER :
    ·         Stayman, Jacoby Transfer, Texas, Smolen, Gerber
    ·         3 puppet to 3NT
    ·         Minor suit = Natural

    OPENING 3NT : One suiter Minor
    RESPONDER :
    ·         4 = Pass or correct
    ·         4 = Ask singleton

    OPENING 1/ : Natural, 3+ cards, 11-21 HCP
    RESPONSE :
    ·         Natural, 6 up HCP, can 3 cards, bid up the line
    ·         By pass , major suit priority
    ·         Inverted minor raise
    ·         Weak Jump Shift
    ·         1NT = 6-9, 2NT = 10-12, 3NT = 13-15 HCP

    OPENING : 1/: Natural, 5 cards, 11-21 HCP
    RESPONDER :
    ·         One over one, Natural, F1
    ·         1NT = Forcing
    ·         2NT = 4 cards raise forcing
    ·         Bergen raise, Splinter
    ·         3NT = 15-17 HCP
    ·         Weak Jump Shift, Reverse Drury

    OPENING 2 : Strong and artificial
    RESPONDER : 2 = Waiting, 2 = Negative

    OPENING : 2//: Weak Two, 5-11 HCP
    RESPONDER :
    ·         2NT = Ask feature
    ·         New suit, Natural and forcing
    ·         Raise, NF

    Some Additional Converse
    Weak Jump Overcall
    Negative Double & Responsive Double to 4

    Example:

    West     North    East     South
      1         4       Dbl = Negative Double
      1         4       Dbl = Penalty

      1        2        3        Dbl = Responsive Double
      1        2        4        Dbl = Penalty

    After Take out Double then Opener rebid:
    ·         New suit level 1 = Forcing
    ·         New suit level 2 = Non Forcing
    ·         Pre-emptive Jump (differing when opponent follow bid)
    ·         2NT = Limit Raise or Better, Weak Jumps

    After overcall:
    ·         New suit = Forcing one round
    ·         Double = Negative Double

    About 1NT overcall (16-18 HCP), System on
    About Overcall 1NT = Cappelletti

    Response Roman Key Card Blackwood = 1430
    4th Suit = Game Force
    Unusual 2NT
    Michael Cue bid
    Ingberman over Reverses
    2-way new minor forcing over 1NT rebid
    Wolff signoff over 2NT rebid

    Lead:
    3 & 5 leads vs. suits and 4th vs. NT
    Signal:
    Upside down count & Attitude
    Signals (UDCA)

    Opening Summary 1NT:
    1NT - 2 : Stayman
    2 : No 4 cards major
    2 : 4 cards , maybe 4 cards 
    2 : 4 cards , no 4 cards 

    1NT – 2/ = Transfer to 2/
    New suit bid of responder after transfer = forcing

    1NT – 2: Transfer to , minimal 6 cards 
    Opener rebid 2NT = Fit 

    1NT – 2NT : Transfer to , minimal 6 card 
    Opener rebid 3C = Fit . New suit rebid by responder = short

    3 : Weak 5-5 minor, Opener pass or rebid 3
    3 : Game force with 5-5 minors
    3 : Game force, singleton , 5-4 minors
    3 : Game force, singleton , 5-4 minors
    3NT : Sign off
    4 : Gerber
    4 : Transfer to 4
    4 : Transfer to 4
    4NT : Invitational to 6NT

    System on after double over opening 1NT
    2 (natural) over 1NT :
    ·         Double = Stayman
    ·         Lebensohl

    OPENING 2NT :
    Bid suit major after Stayman by Opener
    ·         3 over 3 = Slam try in 
    ·         4 over 3 = Slam try in 

    2NT – 3 – 3NT – 4/ = One suiter /
                            4/ = Short with 5-5 minor

    OPENING 3NT :
    RESPONDER :
    3NT – 4 : Asking short suit
    4/ : Short /
    4NT  : Short other minors suit
    5/: 7222 distribution

    Opening Minor Suit
    ·         After inverted minor raise, bid suit at 2 level = stopper, bid suit at 3 level = short
    ·         Jump suit at 2 or 3 level = Pre-emptive
    ·         After 1 major over 1 minor, so rebid responder over 1NT rebid by opener:
    2 : Invitational, check back
    2 : Forcing, check back
    3/ : To play
    ·         After 1 major over 1 minor, so rebid responder over 2NT rebid by opener:
    3 : Opener must bid 3, then responder rebid = No forcing
    3 : Check back Stayman
      
    Opening Major Suit:
    Single raise = 3 cards constructive raise
    3 : Bergen Limit Raise
    3 : Bergen raise with 7-10HCP
    3M : Bergen Pre-emptive raise with 0-6HCP
    1 – 1 – 1NT – 2 = Check back
    1 – 1 – 2NT – All bids is natural

    Some abbreviation of chatting

    :-)       : Like to be written 
    :-(       : Written sorrowful 
    BRB     : Be Right Back
    Cu        : See You
    cu18r    : “See You L-ater-r”
    FWIW   : For what it’s worth
    GL (P)   : Good Luck (Partner)
    IMHO    : In May Humble Opinion
    LOL      : Laughing Out Loud
    ROFL    : Rolling On the Floor Laughing
    SOTM   : State of the Match
    TY (P)  : Thank You (Partner)
    tx        : Thanks
    WDO   : Well Done Opponent
    WDP   : Well Done Partner
    YP      : You’re Play

    Useful hopefully!

    Translated from Magazine Bridge Indonesia, by Toar Polii 

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