15 / "CHAMELEON" Vs 1NT Interference [07.26.2007] COMMENT:   When many adopted NegativeX, we gave up immediate low-level penalty X's.  OMEGA applies the same principle regarding opponent's low-level competition over our 1NT Open.  One popular and uncomplicated defense is "Stolen Bids".  A better choice than 'nothing' - but handicapped by requiring 5-card suits for 'transfer' - and makes no provision for 4-card MAJORS with only a competing hand or invitational hand.  OMEGA has something more complete. COMMENT:  minor-suit-Stayman  -and-  [2NT => C] NOT Used COMMENT:   For your convenience and comfort, the information in the topic below [Vs "Natural"] and the last topic [Vs Transfers] will cover almost all competitive situations.  The additional topics are only for clarification.  If you acquire the 1st and last topic, the principles will be similar to other situations. Vs "Natural" Vs 2C  -and-  X OMEGA Vs Penalty X Vs Artificial X XX [HC for 3NT  -  FINAL] All Other "Systems ON" X Vs 2C [STAYMAN] ALL Systems "ON" 2S Over 2C = "Relay" to 3D  -or-  Stopper 2NT = Competitive;  NOT Invitational 3D = SAME without interference 3MAJOR [Natural;  FORCING] 3NT [Natural  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] 4D [H Transfer] 4H [S Transfer] Vs Natural 2D X [H "Relay"  - 2NT Rebid = ONLY 4 H] 2H [S "Relay"  -  2NT Rebid = ONLY 4 S] 2S [minor Suit "Relay"  -  2NT = LONGER D] 2NT = Competitive;  NOT Invitational 3C = SAME without interference 3D [FORCING Stayman  -  DENIES Stopper] 3MAJOR [Natural  -  FORCING] 3NT [HC for 3NT  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] 4D [H Transfer] 4H [S Transfer] Vs Natural 2H X [S "Relay"  -  2NT Rebid = ONLY 4 S] 2S [minor Suit "Relay"  -  2NT = LONGER D] 2NT = Competitive;  NOT Invitational 3minor = SAME without interference 3H [FORCING Stayman  -  DENIES Stopper] 3S [Natural  -  FORCING] 3NT [HC for 3NT  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] 4D NOT USED 4H [S Transfer] Vs Natural 2S X "Inquires H"  -  Does NOT promise H] 2NT [< 4 H] 3C [4 H] Pass-or-3minor Rebid [FINAL] 3H Rebid [Invitational] 4D Rebid [H Transfer] 2NT = Competitive;  NOT Invitational 3minor = SAME without interference 3H [Natural  -  FORCING] 3S [FORCING Stayman  -  DENIES Stopper] 3NT [HC for 3NT  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] 4D [H Transfer] Vs "D.O.N.T" SUMMARY X [1-Suiter] XX [HC for 3NT  -  FINAL] All Other "Systems ON" 2C [C + Higher] X [Stayman] 3NT [HC for 3NT  -  NO Stopper] All Other "Systems ON" 2D [D + MAJOR] 2H [BOTH MAJORS] 2S [ONLY S  -or-  S + minor] Vs 2D = D + MAJOR X [H "Relay"  - 2NT Rebid = ONLY 4 H] 2H [S "Relay"  -  2NT Rebid = ONLY 4 S] 2S [C "Relay"] 2NT = Competitive;  NOT Invitational 3C = SAME without interference 3D [HC for 3NT with D Stopper] 3MAJOR [Natural  -  FORCING] 3NT [HC for 3NT  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] 4D [H Transfer] 4H [S Transfer Vs 2H = MAJORS X [Competitive-or-Better minors] 2S [minor Suit "Relay"  -  2NT = LONGER D] 2NT = Competitive;  NOT Invitational 3minor = SAME without interference 3MAJOR [HC for 3NT with M Stopper] 3NT [HC for 3NT  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] Vs Natural 2S  -   Same as ABOVE Vs "HAMILTON"  -  "Systems On" over 2C SUMMARY OMEGA Vs Penalty X 2C [1-Suiter] X [Stayman] 3NT [HC for 3NT  -  NO Stopper] All Other "Systems ON" 2D [BOTH MAJORS] 2H [H + minor] 2S [S + minor] Vs X = Penalty-or-Strength X ["OMEGA DEFENSE"] Vs 2D = MAJORS X [Competitive minors] 2H [STRONG minors] 2S [minor Suit "Relay"  -  2NT = LONGER D] 2NT = Competitive;  NOT Invitational 3minor = SAME without interference 3MAJOR [HC for 3NT with M Stopper] 3NT [HC for 3NT  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] Vs Natural 2S  -   Same as ABOVE Vs "BROZELL" SUMMARY X [1-Suiter] XX [HC for 3NT  -  FINAL] All Other "Systems ON" 2C [C + H] 2D [D + H] 2H [BOTH MAJORS] 2S [ONLY S  -or-  S + minor] Vs 2H = MAJORS X [Competitive-or-Better minors] 2S [minor Suit "Relay"  -  2NT = LONGER D] 2NT = Competitive;  NOT Invitational 3minor = SAME without interference 3MAJOR [HC for 3NT with M Stopper] 3NT [HC for 3NT  -  DENIES Stopper] 4C [14-30  -  NO Key Suit] Vs Natural 2S  -   Same as ABOVE Vs "MeckWell" SUMMARY X [ONE minor  -or-  BOTH MAJORS] 2C [C + MAJOR] 2D [D + MAJOR] 2H [ONLY H] 2S [ONLY S] Vs X = ONE minor  -or-  BOTH MAJORS XX = C Transfer`[1 minor] 3NT [HC for 3NT] All Other "Systems ON" Vs 2D  -  Same as ABOVE Vs Natural 2MAJOR  -   Same as ABOVE Vs "CRASH" SUMMARY X ["Color" XX [HC for 3NT  -  FINAL] All Other "Systems ON" 2C ["Rank"] X [Stayman] 3NT [HC for 3NT  -  NO Stopper] All Other "Systems ON" 2D ["Shape"] 2MAJOR [Natural] Vs 2D  -  Same as Natural 2D ABOVE Vs Natural 2MAJOR  -   Same as ABOVE Vs TRANSFERS Vs 2C [Only D  -or-  BOTH Majors]`= All Systems On] X [STAYMAN] All Other "Systems ON" Vs 2D [H Transfer] X [ONLY D] 2H [S "Relay"  -  2NT Rebid = ONLY 4 S] 2S [5 S; NOT Invitational] 2NT [Competitive  -  NOT Invitational] 3C [ONLY C; Competitive] Vs 2H [S Transfer] X [ONLY H] 2S [H + minor] 2NT [Competitive  -  NOT Invitational] 3m [ONLY minor] 3H [Game Forcing] Vs 2S [C Transfer] X [ONLY S] 2NT [Competitive  -  NOT Invitational] 3C [Game Forcing STAYMAN] 3D Immediate [Natural; Forcing]  3D "Delayed" [Natural; Competitive] 3M Immediate [Game Forcing] 3M "Delayed" [Natural; Competitive]