2001/07/06 Kyoko Ohno Katsumi Takahashi //// SYSTEM SUMMARY //// GENERAL APPROACHES : 5-CARD MAJOR ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1. OPENING BID ~~~~~~~~~~~~~~~~ 1C/1D = 12-21, 3+CLU / 4+DIA unless 4432 exactly 1H/1S = 12-21, 5+HEA/SPA 1NT = 15-17, BAL 2C = Artificial Strong Opening; 22+, almost FG 2D = Weak Two Opening; 6-10, good 6 DIA 2H/2S = Weak Two Opening; 6-10, good 6 HEA/SPA 2NT = 20-21, BAL 3X = Preemptive Opening; good 6+MAJ/MIN 3NT = Gambling Opening; SOL 7+m without A/K outside 4X = Preemptive Opening < When 3rd Seat Opening > 1H/1S = 1) 12-21, 5+HEA/SPA 2) 10-13, good 4+HEA/SPA 2. TO 1C/1D OPENING ~~~~~~~~~~~~~~~~~~~~~ 1C-2C / 1D-2D = Inverted Raise; 10+, 4+SUP, no 4 MAJ, F to 2NT --New Suit = usually STP showing 1C-3C / 1D-3D = Preemptive Raise; 5+SUP, no 4 MAJ Jump Shift = Strong Jump Shift; 15+, good 5+MAJ/MIN with 2/3+TOP, FG Double Jump Shift = Splinter Raise; 15-17, 5+SUP, SIN showing 2NT = 12-14/18-19, BAL, usually no 4 MAJ 3NT = 15-17, BAL, no 4 MAJ < Further Development > Opener's Splinter Raise New Minor Forcing to 1NT Rebid 4th Suit Forcing; FG unless Responder rebids 2NT 1C-1D-1H-1S is natural while 1C-1D-1H-2S is artificial(4th suit F) < Over Opponent's Takeout Dbl > 1/1=F1 & 2/1=NF 2NT = Preemptive Raise Double Raise = INV Jump Shift = Fit Jump; 8-11, good 5+MAJ/MIN & 4+SUP Double Jump Shift = Splinter Raise; 15-17, 5+SUP, SIN showing < Over Opponent's Overcall > Preemptive Jump Raise & Limit Raise+ Cue Jump Shift = Fit Jump; 8-11, good 5+MAJ/MIN & 4+SUP Double Jump / Jump Cue = Splinter Raise; 12-14, 5+SUP, SIN showing Negative Dbl thru 4D; usually promise unbid MAJ unless vs 1H Overcall SUP Dbl/Rdbl thru 2H; usually min, promise 3 SUP exactly Good-Bad 2NT thru 2S; 12-14/18+, promises 6+MIN / 5-5 MIN 3. TO 1H/1S OPENING ~~~~~~~~~~~~~~~~~~~~~ 1H-1S = 6+, 4+SPA, F1 1NT = Forcing Notrump; 6-12, may have 3 SUP, F1 1H-2C/2D / 1S-2C/2D/2H = 1) 10+, good 5+MAJ/MIN 2) 12+, 4+MIN --Opener's Splinter Raise 1H-2H / 1S-2S = Constructive Raise; 7-9, 3+SUP --New Suit = usually Long Suit Game Trial, may be CUE 1H-2NT / 1S-2NT = 12-15/19+ BAL 1H-3H / 1S-3S = Limit Raise 1H-3S/4C/4D / 1S-4C/4D/4H = Splinter Raise; 12-15, 4+SUP, SIN showing 1H-3NT / 1S-3NT = Swiss Raise; 12-15, 4+SUP, no SIN 1H-4H / 1S-4S = Preemptive Raise; usually 5+SUP Jump Shift = Strong Jump Shift < When 3rd/4th Seat Opening > 2C = Reverse Drury Fit; 10+, 3+SUP, F to 2H Jump Shift = Fit Jump; 8-11, good 5+MAJ/MIN & 4+SUP 2NT = 8-11, good 6+CLU < Over Opponent's Takeout Dbl > Jump Shift = Fit Jump; 8-11, good 5+MAJ/MIN & 3+SUP Splinter Raise & Swiss Raise 2NT = 10+, 4+SUP, INV+ 3NT = Swiss Raise; Same as without T/O Dbl < Over Opponent's Overcall > Same as to 1C/1D Opening 4. TO 1NT OPENING ~~~~~~~~~~~~~~~~~~~ 2C = Stayman; may have no 4 MAJ --Smolen transfer 2D = Jacoby transfer to 2H; promises 5+HEA unless Walsh relay --2H--2S = Walsh relay; promises strong 6+CLU/DIA, transfer to 2NT 2H = Jacoby transfer to 2S; promises 5+SPA 2S = Minor Suit Stayman; 1) weak 6+DIA 2) weak 5-5 MIN 3) strong 5-4/5-5 MIN --3C/3D--3H/3S = strong 5-4/5-5 MIN, SIN showing, FG 2NT = transfer to 3C; 1) weak 6+CLU 2) strong Any 4441 --3C--3X = strong 4441, SIN showing, FG 3C/3D = good 6 CLU/DIA with 2/3 TOP, INV 3H/3S = Short Suit Warning; 10-13, SIN/small doubleton showing 4C = Gerber 4D/4H = Texas transfer to 4H/4S; promises 6+HEA/SPA < Over Opponent's Natural Overcall > Dbl = Penalty Dbl vs 2-level, Negative Dbl vs 3-level Lebensohl with Fast Arrival Denies STP 4D/4H = Texas transfer thru 3C 5. TO 2C OPENING ~~~~~~~~~~~~~~~~~~ 2D = Negative or Waiting --2H = transfer to 2S; 1) 5+HEA 2) 25-27, BAL --3NT = semi-gambling with SOL 6+MIN --Jump Shift = SOL 6+MAJ/MIN showing --Second Negative 2H/2S = 6+, good 5+HEA/SPA; KJ10xx / KJxxxx or better --Jump Shift = Key Card Asking 2NT = 8+, BAL, no 4 MAJ --Jump Shift = Key Card Asking 3C/3D = 8+, good 5+CLU/DIA; KQ10xx / KJ10xxx or better --Jump Shift = Key Card Asking 3H/3S = 4-7, good 7+HEA/SPA; KJ10xxxx or better 3NT = 6-9, (semi-)SOL 7+CLU/DIA; KQJ10xxx or better 6. TO 2D OPENING ~~~~~~~~~~~~~~~~~~ Raise = S/O 2NT = Feature New Suit = 12+, good 5+MAJ/MIN, F1 Jump Shift = ASK for CON with 3 steps; SLAM 7. TO 2H/2S OPENING ~~~~~~~~~~~~~~~~~~~~~ Raise = S/O 2NT = Ogust; ASK for pattern New Suit = 12+, good 5+MAJ/MIN, F1 Jump Shift = ASK for CON with 3 steps; SLAM 8. TO 2NT OPENING ~~~~~~~~~~~~~~~~~~~ 3C = Stayman --Smolen transfer 3D = Jacoby transfer to 3H; promises 5+HEA unless Walsh Relay --3H--3S = Walsh Relay; promises strong 6+CLU/DIA, transfer to 3NT 3H = Jacoby transfer to 3S; promises 5+SPA 3S = Minor Suit Stayman; strong 5-4/5-4 MIN 4C = Gerber 4D/4H = Texas transfer to 4H/4S; promises 6+HEA/SPA 9. DEFENSIVE BID ~~~~~~~~~~~~~~~~~~~ Takeout Dbl = 10+, promises 3+SUP for unbid MAJ if min --Responsive Dbl thru 4D; promises 4+CARDS in unbid MINs/MAJs Simple Overcall = 8-17, usually 5+MAJ/MIN, may be good 4 MAJ/MIN at 1-level --Jump Cue= Limit Raise; 4+SUP, UNB, INV --Jump Shift = good 5+MAJ/MIN, F1 --Responsive Dbl thru 4D; promises 4+SUP for unbid MAJ/MIN Preemptive Jump Overcall --2NT = Ogust; ASK for pattern 1NT = 15-17, BAL, with STP --System On 2NT = Unusual Notrump; 12-14, 5-5 lower unbid MAJ/MIN Cue = Michaels Cue; 6-11/18+ Jump Cue = Western Cue; ASK for STP with SOL 6+MAJ/MIN 1m-4C = Namyats; (semi-)SOL 7+HEA, 8-9 tricks 1m-4D / 1H-4H = Namyats; (semi-)SOL 7+SPA, 8-9 tricks Hi-Lo Cue vs Unusual NT Cappelletti vs 1NT Opening System on after natural 2NT Overcall Modified Truscott Defense vs Artificial Strong 1C Opening 10. SLAM APPROACH ~~~~~~~~~~~~~~~~~~~ Gerber 4C to NT Opening/Rebid RKC Blackwood with 1430 after suit agreement Roman DOPI/DEPO over Opponent's Overcall Key Card Asking Bid after 2C-2H sequence 11. DEFENSIVE PLAY ~~~~~~~~~~~~~~~~~~~~ Journalist Lead vs Suit; Rusinow Honor & 3rd/5th-best Zero/Two Higher Honor vs Notrump Normal Signals & Present Discard Counts ---------------- 補足 -------------------------------------------------- After inverted minor raise OPN RSP 1m 2m ?? 2X = VAL showing, may be minimum 2NT = FG, BAL; (1) 14, STP in MAJs (2) 18-19, 4+m, STP in MAJs 3NT = 18-19, 3 m 3C = NF New minor forcing OPN RSP 1C 1S 1NT 2D ?? 2H = -2 SPA, minimum (Other Majはミニマム) 2S = 3 SPA, minimum 2NT = -2 SPA, maximum 3S = 3 SPA, maximum OPN RSP 1C 1S 2NT 3D ?? 3H = 4 HEA, may have 3 SPA 3S = 3 SPA, -3 HEA 3NT = -3 HEA, -2 SPA 1M-2X Sequence OPN RSP 1M 2X (X < M) ?? 2M = 5+M, maybe minimum 2NT = FG; 14/18-19, BAL 3NT = 15-17, BAL OPN RSP 1M 2X (X < M) 2M ?? 2NT = NF 3X = NF Others= FG Responsive Double LHO PTN RHO YOU 1C Dbl 2C Dbl = 4+HEA & 4+SPA LHO PTN RHO YOU 1H Dbl 2H Dbl = 4+CLU & 4+DIA LHO PTN RHO YOU 1D 1S 2S* Dbl = CLU & HEA (*2S shows SUP for DIA)