Descripción de Spectrum [16]

2NT 3C FG (unless responder passes opener's rebid) 3D No 4-card+ M

3H 4/5H; if 4H, then 4S still possible 3S 4S, not 4H (i.e. bid H first with 4H/4S)

3NT* 5S (responder's 4H=transfer to 4S; others=natural)

2NT 3C

3D 3H* 4+H/5+S (opener can advance-cue in support of S) 3S* 4S/5+H (as above); i.e. "SMOLEN TRANSFERS" 3NT Signoff opposite “expected” range

4C "Natural," usually with 4M (but 4D/5C and even 4C/5D are possible) 4D* Slam try with 5/5+ H/S

4H* Exactly 4H/longer D, at least mild slam interest 4S* Exactly 4S/longer D, at least mild slam interest

4NT "Weakest" minor two-suiter type, e.g. x x Qxxxx J10xxxx 5C/5D Natural, fairly weak (jump to 5D implies 4-card M; else 2NT-5D) 5H* Slam drive, 04(54); e.g. --- AQxx Q10xxx KJxx

5S* Slam drive, 40(54); e.g. KQxx --- A10xx QJxxx

5NT* Weakest minor two-suiter slam shot, e.g. x --- Qxxxxx Kxxxxx Others Signoffs, gambles.

2NT 3C

3D 3H* SMOLEN

3NT 4H* Game only, 5/5+ M's (if stronger “raise” 3D to 4D*)

4C 5=4=0=4, or 5=4=1=3, i.e. “length” natural slam try (the way to back into 3/5 C) 4D 5=4=4=0, or 5=4=3=1, i.e. “length” natural slam try (the way to back into 3/5 D) 4S 6/4 concentrated, mild slam try: e.g. KJ10xxx QJ10x xx x (else Texas) 4NT 5=4=2=2 slam try, NF

2NT 3C

3D 3H* SMOLEN

3S/4m 3S (Fit)

4m/5m* SPL (THE SHORTNESS RULE: 5/4+ FG opposite prime fit, next=SPL)

4NT RKCB1430-S

2NT 3C

3D 3S* SMOLEN 4H/4m 3H (Fit)

4m/5m * SPL (THE SHORTNESS RULE) 4S* RKCB1430-H

2NT 3C 3D 4C

4D Natural, 4+D (catering to e.g. xxx x Qxxx AKxxx); opener has 4+m 4M Unambiguous cue-bids for clubs

4NT Natural, club fit, slow hand

5C Encouraging raise, good controls (else cue M)

5D/5M* Fit-showing slam drives, concentrations, e.g. AKQ Axx Axx KQxx (5S); responder might hold, e.g. Jxxx Kxx x Axxxx (or better)!

5NT Natural, club fit, maximum, NF; e.g. AQx KQx AQx AJ10x

2NT 3C

3H 3S* All hands with 4S; also hands preparing to make a slam try with both MAJORS that have no superior auction (splinter, RKCB, 4m first) 3NT* Not 4S, not 4H: therefore 3H/suitable dummy for 4/3 or 5/3 4H 4C Not 4S, therefore either secondary H (slam try) or secondary D 4D Not 4S, therefore either secondary H or C

4H Signoff 4S* RKCB430-H

4NT* "Weakest" minor two-suiter type, e.g. x x Qxxxx J10xxxx 5m* Splinters for H

5H* S SPL for H (4S/4NT unavailable)

5S* GSF in H, e.g. AKxxxxx Qxxxxx --- --- (sure!)

5NT* Weakest minor two-suiter slam shot, e.g. x --- Qxxxxx Kxxxxx Others Signoffs, gambles.

2NT 3C 3H 3S*

3NT Not 4S

4S 4S, not slam-suitable 4x* Advance cue, agreeing S

2NT 3C 3H 3S*

3NT 4m Natural, 4S/5+m, at least moderate slam interest (opener’s 4NT signoff) 4H* 4+S/4+H, mild slam try

4S* 4+S/4+H; stronger slam try (opener’s 4NT asks for m SPL: bid it)

2NT 3C

3H 4C 5+C/4H or 5+C/4D

4D NAT, 4+D

4H* SCRAMBLE (not slam-suitable): responder’s 4NT is a signoff over 4H (5+C/4D) 4S* FLAG for H+D responder’s 4NT=RKCB1430-H; 5C=try for 6D; 5D/5H=NF 4NT* FITLESS FLAG (control-rich, no obvious fit)

2NT 3C

3H 4C 5+C/4H or 5+C/4D

4D NAT, 4+D

4H* 5+C/4H, but NF

4S* 5+C/4H, stronger slam try (4NT relays for SPL: 5C=D, 5D=S “upwards”) 4NT* 5+C/4D; NF 5C* 5+C/4D; RKCB1430-D 5D 5+C/4D; forward-going 2NT 3C 3H 4C 5+C/4H or 5+C/4D 4H* *SCRAMBLE

Pass 5+C/4H, minimum slam try 4S* RKCB1430-H

4NT* 5+C/4D, NF 5C* 6C/4D; NF

5D* 5+C/4H, stronger slam try

2NT 3C

3H 4D 5+D/4H, or 5+D/4C

4H* SCRAMBLE

4S* FLAG for H+D: resp’s 4NT=RKCB1430-H; 5C=try for 6D; 5D/5H=NF

4NT FITLESS FLAG

5C* General FLAG for H+C: resp’s 5D=Last Train-H; 5H=NF, 5S/5NT=7C tries 5D* Trumps FLAG for H+D

2NT 3C

3H 4D 5+D/4H, or 5+D/4C

4H* *SCRAMBLE

Pass 5+D/4H, minimum slam try 4S* RKCB1430-H

4NT* 5+D/4C, NF

5C* 5+D/4H, stronger slam try 5D* 6D/4C; NF

2NT 3C

3S 3NT Natural, 3/4H

4C Natural, any secondary suit 4D Natural, secondary H or S

4H* Unambiguous slam try agreeing spades, usually 9+ cards in H+S (usually the best move on hands willing to go past 4S)

4S The end

4NT* "Weakest" minor two-suiter type, e.g. x x Qxxxx J10xxxx

5C* RKCB1430-S

5D/5H Splinters for S

5S* C SPL for S (replacement bid, since 5C=RKCB)

5NT* Weakest minor two-suiter slam shot, e.g. x --- Qxxxxx Kxxxxx Others Signoffs, gambles.

2NT 3C

3S 4C 5+C/4D or 4H or 4S; Opener continues:

4D NAT, 4+D

4H* Good hand for C+S (then responder’s 4S=S, 4NT/5C=C, 5D/5H=S, 5NT=C) 4S Signoff (over which non-S raises are C hands)

4NT Great hand with C fit

2NT 3C

3S 4D Natural, secondary H or S; Opener continues:

4H* Good hand for D or S (then 4S/4NT (RKCB1430)=S, others=D) 4S* Signoff (over which non-S raises are D hands

4NT* RKCB1430-D

5C* Best D hand unsuitable for RKCB 5D Exceptional trumps, only one side ace

2NT 3C

3NT* 5S

4C Ostensibly natural. 4D Ostensibly natural

4H Puppet to 4S; could be prelude to slam try setting S (next 4NT=DI) 4S* RKCB1430-S (as can NEVER want to declare from WEAK side) 4NT* "Weakest" minor two-suiter type, e.g. x x Qxxxx J10xxxx 5m/5H* SPL for S

2NT 3C

3NT* 5S

4C/4D Ostensibly natural.

4R* Flag for C, but allows for 4S, which responder may have planned (mild S/T) 4S Very good S (possibly the best game)