17 SUIT OVERCALLS [06.20.2007] COMMENT:   Remember, our completive Suit Overcalls after opponent has opened are PRIMARILY for defensive purposes - suggesting a good lead or support for partner's overcall.  Competitive support for partner's simple suit overcall is EXPECTED to promise a supporting HONOR. IMMEDIATE OVERCALL [Partner NOT Passed Hand] Concept Offensive  -  Competing for Makeable Contract Usually Opening Bid Range GOOD Suit Responses ALL NT Responses [Constructive  -  NON-Forcing] Single Raise [Constructive  -  Less than Limit Raise] Q-Bid [Forcing 1-Round  -  Limit-or-Better] Jump Raise [Preemptive] New Suit UPH [Forcing] New Suit PH [NON-Forcing] Jump Q-Bid (Below 3Partner's Suit) [4-Card Limit Raise] Double Jump Shift [Splinter with Support] IMMEDIATE OVERCALL [Partner Passed Hand] Concept For DEFENSE  -  Usually NOT seeking to become declarer Lower minimum  HC [Usually 8+ HC] TOP HONORS in OverCall Suit Responses ALL NT Responses [Constructive  -  NON-Forcing] Single Raise [Constructive  -  Less than Limit Raise  -  NOT Obstructive] Jump Raise [Preemptive] Q-Bid [Forcing 1-Round  -  Limit-or-Better] BALANCING [PASS-OUT] OVERCALL ASSUMED to bid PARTNERSHIP HC Responses ALL NT Responses [Constructive  -  NON-Forcing] Single Raise [Constructive  -  Less than Limit Raise] Q-Bid [Forcing 1-Round  -  Limit-or-Better] DELAYED OVERCALL BY PASSED HAND Competing for PART SCORE Usually lack TOP HONORS ROSENKRANZ X-or-XX "LHO" Opens 1Suit Partner OverCalls minimum Suit X Vs Q-BID by "RHO" [A-or-K in Partner's Suit] XX Vs NegativeX by "RHO" [A-or-K in Partner's Suit] P = DENIES A-or-K Raise = NO A  -or-  K;  NO Defensive Values "SNAP DRAGON X" "LHO" Opens Partner OverCalls minimum Suit "RHO" bids "3rd Suit" X ["4th UnBid Suit"  +  "Tolerance" for Partner's Suit] RESPONSIVE X "LHO" Opens Partner makes Simple Overcall "RHO" supports Opener at 2-Level X [Length in BOTH UnBid Suits with "tolerance" for Partner's Suit] SINGLE JUMP OVERCALL Concept Preemptive Similar to WEAK 2-BID STRONGER at 3-Level  -or-  Vulnerable Responses ALL RAISES FINAL 2NT [FORCING] 3C [Denies 2 TOP HONORS] 3D [2 TOP HONORS with MAXIMUM] 3H [2 TOPS HONORS  -  "nothing extra"] 3NT (RARE) [SOLID = AKQxxx] OTHER JUMP OVERCALLS [Rule of 2-3-4] IMMEDIATE Q-BID Simple [MICHAELS] After 2 different Suits by Opponents (Pass by Partner) [Q = NATURAL] JUMP [Solid minor => 3NT with Stopper  -  Otherwise 4C]