99/01/01-(2)
Kyoko OHNO
Dawei CHEN
SYSTEM SUMMARY
GENERAL APPROACHES : 5-CARD MAJOR, 2/1= FG With WeakNT
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1. OPENING BID
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1C/1D = 12-21, 3+C / 4+D unless 4432 exactly
1H/1S = 12-21, 5+H/S
1NT = 11-14, Bal, may have weak 5M
2C = Art Strong Opening ; 22+, almost FG
2D = Weak Two Opening ; 6-11, good 6D
2H/2S = Weak Two Opening ; 6-11, good 6H/S
2NT = 20-21, Bal, may have 5M
3X = Pre Opening ; good 6+Suit
3NT = Gambling Opening ; Sol 7+m, no A/K outside
4X = Pre Opening ; good 7+Suit
[ When 3rd Seat Opening ]
1H/1S = 1) 12-21, 5+H/S 2) 10-13, good 4+H/S
[ When 4th Seat Opening ]
1H/1S = 1) 12-21, 5+H/S 2) 10-13, good 4+H/S
! 2D/2H/2S = Weak Two Opening ; 10-13, good 6D/H/S
3X = Semi-Pre Opening ; Sol 7 Suit, no A/K outside
3NT = Semi-Gambling Opening ; (semi-)Sol 7+m, A/K outside
2. TO 1C/1D OPENING
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1C-2C / 1D-2D = Inverted Raise ; 10+, 4+Sup, no 4M, F to 2NT
--New Suit = usually Stop showing
1C-3C / 1D-3D = Pre Raise ; 5+Sup, no 4M
Jump = Strong Jump ; 15+, good 5+Suit with 2/3+Top, FG
Dbl Jump = Spl Raise ; 15-17, 5+Sup, Singleton showing
2NT = 12-14/18-19, Bal, usually no 4M
3NT = 15-17, Bal, no 4M
[ Further Development ]
Opener's Spl 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
[ Over Opponent's Takeout Dbl ]
1/1=F1 & 2/1=NF
2NT = 10+, 4+Sup, Inv+
Jump = Fit Jump ; 8-11, good 5+Suit & 4+Sup
Dbl Jump = Spl Raise ; 15-17, 5+Sup, Singleton showing
# Good-Bad 2NT thru 2S ; 12-14/18+, promises 6+m / 5-5 m's
[ Over Opponent's Overcall ]
Pre Jump Raise & Limit Raise+ Cue
Jump = Fit Jump ; 8-11, good 5+Suit & 4+Sup
Dbl Jump / Jump Cue = Spl Raise ; 12-14, 5+Sup, Singleton showing
Negative Dbl thru 4D ; usually promise unbid M 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+m / 5-5 m's
3. TO 1H/1S OPENING
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1NT = Forcing Notrump ; 5-12, may have 3 Sup, F1
1H-2C/2D / 1S-2C/2D/2H
! = FG ; 1) 11+, good 5+Suit 2) 12+, 4+m
--Opener's Spl Raise
1H-2H / 1S-2S = Constructive Raise ; 7-9, 3 Sup exactly
--New Suit = usually Long Suit Game Trial, may be Cue
1H-2NT / 1S-2NT = Jacoby 2NT Raise ; 15+, 4+Sup
--3X = Singleton showing
--4X = good 5+Suit
! 1S-3H / 1D-3C = INV good 6+ H/C
1H-3S/4C/4D / 1S-4C/4D/4H = Spl Raise ; 12-14, 4+Sup, Singleton showing
1H-3NT / 1S-3NT = Bal Raise ; 12-14, 4+Sup, no Singleton
1H-4H / 1S-4S = Pre Raise ; usually 5+Sup
[ When 3rd/4th Seat Opening ]
2C = Revs Drury ; 10+, 3+Sup, F to 2H
Jump = Fit Jump ; 8-11, good 5+Suit & 4+Sup
2NT = 8-11, good 6+C
[ Over Opponent's Takeout Dbl ]
Jump = Fit Jump ; 8-11, good 5+Suit & 3+Sup
Spl Raise & Bal Raise
2NT = 10+, 4+Sup, Inv+
[ Over Opponent's Overcall ]
Same as to 1C/1D Opening
4. TO 1NT OPENING (11-14, Bal, Semi Bal)
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2C = Stayman ; may have no 4M
--2D--2H/S =Ms sign off
> --3C/D =nat GF, moderate suit quality
> --3H/S =smolen
--2M--3m NAT,may have OM, GF
> --3OM = unbal slam try
> --4D = bal slam try
> --4C = RKCB0314
> --4NT =inv with OM
2D = Jacoby transfer to 2H ; promises 5+H
> --2H--2S = Puppet to 2NT,GF
> --3C/D = 5H-4m INV
> --4H = H SLAM
2H = Jacoby transfer to 2S ; promises 5+S
--2S--3m = 5S-m, GF
--4S = S SLAM
2S = Minor Suit Stayman ;
1) weak 6+C/D 2) weak 5-5 m's 3) strong 5-4/5-5 m's
> --2NT = prefer D
> --3C = prefer C
--2NT/3C--3H/3S = strong 5-4/5-5 m's, Singleton showing, FG
> 2NT = INV
> 3C/3D = good 6C/D with 2/3 Top, SLAM
> 3H/3S = 55Ms INV/GF
4C = Gerber, 03/14/2 MIN/2 MAX
4D/4H = Texas transfer to 4H/4S ; promises 6+H/S
[ Over Opponent's Natural Overcall ]
# Dbl = Penalty Dbl vs 2-level, Negative Dbl vs 3-level
Lebensohl with Fast Arrival Denies Stop
4D/4H = Texas transfer thru 3C
1NT -(2C),nat or convention
---sys on. X=stayman
[ Over Opponent's 2C-Dbl ]
in case of penalty
---XX=puppet to 2c, any one suit. others= dont style
in case of convention
---sys on
5. TO 2C OPENING
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2D = Negative
--2H = transfer to 2S ; 1) 5+H 2) 25-27, Bal
--3NT = semi-gambling with Sol 6+m
--Jump = Sol 6+Suit showing
> 2H = 6+, any no good suit hand
2S = 6+, good 5+S ; KJ10xx / KJxxxx or better
2NT = 6+, good 5+H ; KJ10xx / KJxxxx or better
3C/3D = 8+, good 5+C/D ; KQ10xx / KJ10xxx or better
3H/3S = 4-7, good 7+H/S ; KJ10xxxx or better
3NT = 6-9, (semi-)Sol 7+C/D ; KQJ10xxx or better
6. WEAK 2
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6.1 TO 2D OPENING
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Raise = S/O
2NT = INV
New Suit = 12+, good 5+Suit, F1
Jump = Ask for Control with 3 steps ; Slam
6.2 TO 2H/2S OPENING
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Raise = S/O
2NT = Ogust ; Ask for pattern
New Suit = 12+, good 5+Suit, F1
Jump = Ask for Control with 3 steps ; Slam
7. TO 2NT OPENING
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3C = Stayman
--Smolen transfer
3D = Jacoby transfer to 3H ; promises 5+H
3H = Jacoby transfer to 3S ; promises 5+S
3S = Minor Suit Stayman ; strong 5-4/5-4 m's
4C = Gerber
4D/4H = Texas transfer to 4H/4S ; promises 6+H/S
8. DEFENSIVE BID
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Takeout Dbl = 10+, promises 3+Sup for unbid M if min
--Responsive Dbl thru 4D ; promises Sup for unbid m
Simple Overcall = 8-17, usually 5+Suit, may be good 4 Suit at 1-level
--Jump Cue= Limit Raise ; 4+Sup, Unb, Inv
--Jump = good 5+Suit, F1
--Responsive Dbl thru 4D ; promises 4+Sup for unbid Suit
Pre Jump Overcall
# --2NT = Ogust ; Ask for pattern
1NT = 15-17, Bal, with Stop
--System On with Lebensohl
2NT = Unusual Notrump ; 12-14, 5-5 lower unbid Suit
Cue = Michaels Cue ; 6-11/18+
Jump Cue = Western Cue ; Ask for Stop with Sol 6+Suit
Hi-Lo Cue vs Unusual NT
> DONT vs STR 1NT Opening
Cappelletti vs Weak 1NT Opening
9. SLAM APPROACH
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Gerber 4C to NT Opening/Rebid
RKC Blackwood with 0314 after suit agreement
Roman DOPI/DEPO over Opponent's Overcall
10. DEFENSIVE PLAY
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Normal Signals & Present Discard Counts