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Bridge Baron 27 Bidding Systems & Conventions

  • 1m-2NT Invitational1NT Range
  •  1NT-2S Minor Signoff
  • 1NT-3C Puppet Stayman/3D 5-5 Forcing
  •  1NT-3m 5-5 Minor Bids
  • 1NT-3M 5-5 Major Bids
  • 2C-2H Double Negative
  • 2NT Range
  • 1NT Range
  • 1NT-2S Minor Signoff
  • 1NT-3C Puppet Stayman/3D 5-5 Forcing
  • 1NT-3m 5-5 Minor Bids
  • 1NT-3M 5-5 Major Bids
  • 2C-2H Double Negative
  • 2NT Range
  • 2NT-3S Relays
  • Allow 5-4-2-2 1NT
  • Allow 5-Card Major 1NT
  • Allow 6-Card Minor 1NT
  • Allow Singleton Ace or King 1NT
  • Artificial 2C/2D Raises after a Double
  • Astro
  • Baron
  • Bart
  • Benjamin 2-Bids
  • Bergen Raises
  • Blackwood
  • Both Long- and Short-Suit Game Tries
  • Brozel
  • Cappelletti
  • Checkback Stayman
  • Control Responses to 2C Opening Bids
  • Control-Asking Bids
  • Control-Showing Cuebids
  • Crowhurst
  • Delayed Splinter Bids
  • Delayed Two-Suited Bids
  • D.O.N.T.
  • DONT Notrump Runouts.
  • DOPI
  • Drury
  • Eastern Cue-Bids
  • Epsilon Control Ask
  • Exit Transfer Notrump Runouts.
  • Extended Stayman
  • Feature-Asking 2NT
  • Flannery
  • Forcing 1NT over 1H/1S
  • Forcing Major Raises
  • Fourth Suit Forcing For One Round
  • Fourth Suit Forcing To Game


  • Gambling 3NT
  • Gamma Trump Ask
  • Garbage Stayman
  • Gerber
  • German 2C Relays
  • Ghestem
  • Graded Ogust
  • Grand Slam Force
  • Hello
  • Helvic Notrump Runouts.
  • Impossible Negative 2NT
  • Inverted Bergen Raises
  • Inverted Minor Raises
  • Invisible Cuebids
  • Invitational Three-Level Jump-Shifts
  • Jacoby 2NT

  • Jacoby Transfers

  • Jacoby Transfer Superacceptances with Working Doubletons

  • Kokish Relay

  • Landy

  • Lead-Directing Doubles

  • Leaping Michaels

  • Lebensohl after Double of Weak Two-Bid

  • Lebensohl after Overcall of 1NT

  • Limit Major Raises
  • Limit-Plus Cue-Bids

  • Long-Suit Game Tries

  • Major-Suit Splinter Responses to 1NT

  • Mathe Asking Bids

  • Maximal Overcall Doubles

  • McCabe Adjunct

  • Michaels Cue Bid

  • Mini Multi

  • Mini-Roman 2D

  • Minor-Suit Stayman

  • Minor-Suit Transfers (with superacceptance)

  • Minor-Suit Transfers (no superacceptance)

  • Mixed Raise Jump Cue-Bid Responses

  • Multi 2D

  • Multi-Landy

  • Multi-Roman

  • Namyats

  • Negative Doubles

  • New Minor Forcing

  • New Suit Response to Partner's Overcall Forcing
  • New Suit Response to Partner's Overcall Non-Forcing
  • New Suit Response to Partner's Overcall
  • Non-Forcing Constructive
  • Ogust
  • Preemptive Reraises
  • Puppet Stayman 2C after 1NT
  • Puppet Stayman 3C after 1NT
  • Puppet Stayman after 2NT
  • "Redouble for the Minors, Systems On "
  • Responsive Doubles
  • Reverse Drury
  • RKC 1430
  • Robinson
  • Roman Keycard Blackwood
  • Rosenkranz Redoubles
  • Sandwich Notrump
  • Semi-Forcing Notrump
  • Short Club Openings
  • Short-Suit Game Tries
  • Smolen
  • Snapdragon Doubles
  • Specific King Asks
  • Splinter Bids
  • Standard Major Raises
  • Stayman
  • Step Responses to 2C
  • Strong Jump-Shifts
  • Strong Two-Bids
  • Support Doubles and Redoubles
  • Systems On after 1NT Overcall
  • Takeout Doubles Leve
  • Texas
  • Transfer Stayman
  • Truscott 2NT
  • Two-over-One Game Forcin
  • Two-Way Drury
  • Unusual Notrump
  • Unusual over Unusual
  • Unusual Positive Responses to 1C
  • Voluntary Bid of 5 in a Major Suit
  • Walsh
  • Weak 2-Bid
  • Weak Jump Overcall
  • Weak Jump-Shift Responses
  • Western Cue-Bids
  • Wolff Signoff
  • XYZ


Seven Bidding Systems



Build your own from more that 100 available conventions


Game types include: Rubber, Duplicate, Chicago (Party Bridge), Single Deals