21 / "OMEGA DEFENSE" Vs ALL [07.21.2007] COMMENT:   OMEGA has a consistent defense over opponent's natural Opening NT [1NT and 2NT].  Similar to NegativeX requiring elimination of low-level Penalty X's, We "give up" penalty X's of NT Open or Natural NT Overcalls. Vs 1NT & 2NT Open [ALL SEATS  -AND- VULNERABILITY] COMMENT:   OMEGA's defense Vs Natural 1NT Open [any range - all positions] is the SAME for all situations. X requires C [ONLY C  -or-  "RED"  -or-  "ROUND"  -or-  "BLACK"] D Rebid [RED] H Rebid [ROUND] S Rebid [BLACK] C requires D [ONLY D  -or-  BOTH MAJORS] H Rebid [5-5 MAJORS] S Rebid [5 H + 6 S] D [H Transfer] H [S Transfer] S [S + D] NT over NT [BOTH minors] Vs Natural 1NT OverCall of our 1m Open X requires C [ONLY C  -or-  "RED"  -or-  "ROUND"  -or-  "BLACK"] D Rebid [RED] H Rebid [ROUND] S Rebid [BLACK] 2C requires D [ONLY D  -or-  BOTH MAJORS] H Rebid [5-5 MAJORS] S Rebid [5 H + 6 S] 2D [H Transfer] 2H [S Transfer] 2S [S + D] 2NT over 1NT [BOTH minors] OPENER 'DECLINES TRANSFER' WITH LONG Suiter 2-Suiter BIG Hand Vs Natural 1NT OverCall of our 1M Open X requires C [ONLY C  -or-  "RED"  -or-  "ROUND"  -or-  "BLACK"] D Rebid [RED] H Rebid ROUND] S Rebid [BLACK] 2C requires D [ONLY D  -or-  Support for Opener's MAJOR with 5+ Cards in Other MAJOR] Rebid OPENER's MAJOR [Support with 5-Cards Other MAJOR] Rebid Other MAJOR [Support with 6-Cards Other MAJOR] 2D [H Transfer] 2H [S Transfer] 2S [S + D] 2NT over 1NT [BOTH minors] OPENER 'DECLINES TRANSFER' WITH LONG Suiter 2-Suiter BIG Hand Vs UNUSUAL 1NT OverCall of OUR FORCING 1C X [Penalty] 2C [Stayman] 2H Rebid over 2D [Competitive  -  4+ BOTH MAJORS] 2S Rebid over 2D [Competitive  -  5 S + 4 H] 2D H Transfer [Pass-or-Raise STANDARD] 2S Rebid [5-5 MAJORS  -  Invitational 2H S Transfer [Pass-or-Raise STANDARD] 3H Rebid [Forcing  -  5-5 MAJORS Vs Forcing "BIG C"  -and-  Strong 2C X Requires D [ONLY D  -or-  BOTH MAJORS] H Rebid [5-5 MAJORS] S Rebid [5 H + 6 S] D [H Transfer] H [S Transfer] S [S + D] NT Requires C [ONLY C  -or-  "RED"  -or-  "ROUND"  -or-  "BLACK"] C [BOTH minors] Jump [NATURAL]