VERSION 2.6 contributions by: Benito Garozzo Davide Tavoschi Ron Klinger Daniel Neill Sharon Guy Gijs van Haarlem 2 Last update: 01-Apr-2004 Fonts used: Times New Roman Wingdings Wingdings 3 3 INTRODUCTION ---------------------------------------------------------------------------- 7 1♣ OPENING --------------------------------------------------------------------------------------------------------------------------- 7 SUPPORT STRUCTURE.---------------------------------------------------------------------------------------------------------------- 9 GAME TRIES --------------------------------------------------------------------------------------------------------------------------10 2-OVER-1 BIDDING-------------------------------------------------------------------------------------------------------------------10 1M-REVERSE RELAY (1MRR) -----------------------------------------------------------------------------------------------------13 1M-REVERSE RELAY (1MRR) ------------------------------------------------------------------------------------------------------14 3RD SUIT FORCING RELAY (3SF) ----------------------------------------------------------------------------------------------------14 WHEN OPPONENTS INTERVENE-----------------------------------------------------------------------------------------------------15 OPENINGS----------------------------------------------------------------------------------- 16 LEGEND-------------------------------------------------------------------------------------- 18 GENERAL PRINCIPLES FOR THE COMPETITIVE AUCTION ----------------------------------------------------------19 1♣ OPENING -------------------------------------------------------------------------------- 20 1♣ @ 1♦------------------------------------------------------------------------------------- 20 1♣ @ 1♥------------------------------------------------------------------------------------- 24 1♣ @ 1♠------------------------------------------------------------------------------------- 26 1♣ @ 1NT----------------------------------------------------------------------------------- 29 1♣ @ 2♣------------------------------------------------------------------------------------- 29 1♣ @ 2♦------------------------------------------------------------------------------------- 30 1♣ @ 2♥------------------------------------------------------------------------------------- 31 1♣ @ 2♠------------------------------------------------------------------------------------- 31 1♣ @ 2NT----------------------------------------------------------------------------------- 31 INTERFERENCE OVER 1♣ OPENING ----------------------------------------------------------------------------------------32 1♦OPENING--------------------------------------------------------------------------------- 35 1♦ @ 1♥------------------------------------------------------------------------------------- 35 1♦ @ 1♠------------------------------------------------------------------------------------- 38 1♦ @ 1NT ----------------------------------------------------------------------------------- 40 1♦ @ 2♣------------------------------------------------------------------------------------- 40 1♦ @ 2♦------------------------------------------------------------------------------------- 41 1♦ @ 2♥------------------------------------------------------------------------------------- 41 4 1♦ @ 2♠------------------------------------------------------------------------------------- 42 1♦ @ 2NT ----------------------------------------------------------------------------------- 42 1♦ @ 3♣------------------------------------------------------------------------------------- 42 INTERFERENCE OVER 1♦ OPENING ----------------------------------------------------------------------------------------43 1♥ OPENING -------------------------------------------------------------------------------- 46 1♥ @ 1♠------------------------------------------------------------------------------------- 46 1♥ @ 1NT ----------------------------------------------------------------------------------- 48 1♥ @ 2♣------------------------------------------------------------------------------------- 49 1♥ @ 2♦------------------------------------------------------------------------------------- 50 1♥ @ 2NT ----------------------------------------------------------------------------------- 51 1♥ @ 3♣------------------------------------------------------------------------------------- 51 1♥ @ 3♦------------------------------------------------------------------------------------- 51 INTERFERENCE OVER 1♥ OPENING ----------------------------------------------------------------------------------------52 1♠ OPENING -------------------------------------------------------------------------------- 54 1♠ @ 1NT ----------------------------------------------------------------------------------- 54 1♠ @ 2♣------------------------------------------------------------------------------------- 55 1♠ @ 2♦------------------------------------------------------------------------------------- 56 1♠ @ 2♥ ------------------------------------------------------------------------------------ 57 1♠ @ 2♠------------------------------------------------------------------------------------- 58 1♠ @ 2NT ----------------------------------------------------------------------------------- 58 1♠ @ 3♣------------------------------------------------------------------------------------- 58 1♠ @ 3♦------------------------------------------------------------------------------------- 58 INTERFERENCE OVER 1♠ OPENING ----------------------------------------------------------------------------------------59 1NT OPENING ------------------------------------------------------------------------------ 61 1NT @ 2♣ (KERI OVER 1NT) ----------------------------------------------------------- 61 1NT @ 2♦ ------------------------------------------------------------------------------------ 62 5 1NT @ 2♥ ------------------------------------------------------------------------------------ 62 1NT @ 2♠ ------------------------------------------------------------------------------------ 63 1NT @ 2NT ---------------------------------------------------------------------------------- 63 1NT @ 3♣/♦/♥/♠--------------------------------------------------------------------------- 63 1NT @ 4♣ ------------------------------------------------------------------------------------ 63 1NT @ 4♦ ------------------------------------------------------------------------------------ 63 INTERFERENCE OVER 1NT ----------------------------------------------------------------------------------------------------63 2♣ OPENING -------------------------------------------------------------------------------- 66 2♦ OPENING -------------------------------------------------------------------------------- 67 2♦ @ 2♥ ------------------------------------------------------------------------------------ 67 2♥ OPENING -------------------------------------------------------------------------------- 68 2♥ @ 2♠ ------------------------------------------------------------------------------------ 68 2♠ OPENING -------------------------------------------------------------------------------- 69 2♠ @ 3♣------------------------------------------------------------------------------------- 69 2♠ @ 2NT ----------------------------------------------------------------------------------- 69 2NT OPENING OR OVERCALL ------------------------------------------------------- 70 2NT B 3♣----------------------------------------------------------------------------------- 70 2NT B 3♦----------------------------------------------------------------------------------- 70 2NT B 3♥----------------------------------------------------------------------------------- 70 3NT OVERCALL --------------------------------------------------------------------------- 71 APPENDICES ------------------------------------------------------------------------------- 72 ‘GAR’ --------------------------------------------------------------------------------------------------------------------------------72 CHECKBACK STAYMAN -------------------------------------------------------------------------------------------------------72 '2NTT' STRUCTURE ---------------------------------------------------------------------------------------------------------------74 TURBO CONVENTION ----------------------------------------------------------------------------------------------------------74 THE COMPETITIVE AUCTION AFTER AN OPENING--------------------------------------------------------------------74 WORKINGS OF RUBENSOHL--------------------------------------------------------------------------------------------------74 DESCRIPTION OF GOOD-BAD 2NT CONVENTION ----------------------------------------------------------------------75 2♣ RELAY --------------------------------------------------------------------------------------------------------------------------75 OVERCALLS-------------------------------------------------------------------------------- 76 6 SUIT OVERCALL------------------------------------------------------------------------------------------------------------------76 RESPONSES TO THE TAKE-OUT DOUBLE---------------------------------------------------------------------------------81 OVERCALLING 1NT -------------------------------------------------------------------------------------------------------------83 SPECIFIC CASES WHERE WE USE RUBENSOHL AND LEBENSOHL ------------------------------------------------83 THE OPPONENTS OPEN 1NT---------------------------------------------------------------------------------------------------85