bridge-system

1NT

14-16pts balanced

Rebid	Meaning
1NT 2C	major suit enquiry
1NT 2D	transfer to hearts
1NT 2H	transfer to spades All sequences are similar to those following 1NT-2D:
1NT 2S	shows clubs (5 good or 6+)
1NT 2NT	shows diamonds (5 good or 6+) ((could be weak 5-5 in minors))
1NT 3C	shows a hand with a singleton (S) And 4 hearts
1NT 3D	5+ good/6+ suit club shortage
1NT 3H/3S	shortage with 5-4 in minors and 3 card major
1NT 3NT	to play
1NT 4C	5-5 Majors game (only) or slam going
1NT 4D	transfer to 4H to play/ slam going
1NT 4H	transfer to 4S to play/slam going
1NT 4S	both minors (6-5) game values only
1NT 4NT	invitational (likely 4333) opener passes, bids a suit suggesting a good 5 card suit or raises

1NT 2C

major suit enquiry

Rebid	Meaning
1NT 2C 2D	promises at least one 4 card major
1NT 2C 2H	no 4 or 5 card major
1NT 2C 2S	5 spades, minimum
1NT 2C 2NT	5 hearts, minimum
1NT 2C 3C/3D	max with 6 card minor (New suit- cue bid)
1NT 2C 3H/3S	max with 5 card major (New Suit – cue bid)

1NT 2C 2D

promises at least one 4 card major

Rebid	Meaning
1NT 2C 2D 2H	4 spades (may have 4 hearts and 4/5S invit) values for 2NT 2S/3S- min/max 4S;
1NT 2C 2D 2S	4 hearts (denies 4 spades) values for 2NT
1NT 2C 2D 2NT	natural, invitational, no major (New suit- weak stop(xx))
1NT 2C 2D 3C	Minor suit ask
1NT 2C 2D 3D	both majors GF

1NT 2C 2D 2H

4 spades (may have 4 hearts and 4/5S invit) values for 2NT

2S/3S- min/max 4S;

Rebid	Meaning
1NT 2C 2D 2H 2NT	min 4H
1NT 2C 2D 2H 3C/3D	max 4H+4m
1NT 2C 2D 2H 3H	max both majors
1NT 2C 2D 2H 3NT	max prob 3433

1NT 2C 2D 2S

4 hearts (denies 4 spades) values for 2NT

Rebid	Meaning
1NT 2C 2D 2S 2NT	min 4S
1NT 2C 2D 2S 3C/3D	max 4S+4m
1NT 2C 2D 2S 3H/3S	min/max 4H
1NT 2C 2D 2S 3NT	max prob 4333

1NT 2C 2D 3C

Minor suit ask

Rebid	Meaning
1NT 2C 2D 3C 3D	no minor 3H(c)/3S(d)- suit

1NT 2C 2D 3D

both majors GF

Rebid	Meaning
1NT 2C 2D 3D 3H/3S	major
1NT 2C 2D 3D 3NT	both

1NT 2C 2H

no 4 or 5 card major

Rebid	Meaning
1NT 2C 2H 2S	5S and 4H invitational (Natural)
1NT 2C 2H 2NT	natural, invitational New suit-weak stop(xx)
1NT 2C 2H 3C	Minor suit ask continuations as after 1NT-2C-2D-3C (3D-both)
1NT 2C 2H 3D	5 card suit (not 2 top hons) plus a 4 card M
1NT 2C 2H 3H/3S	4 card suit with 5 clubs (not 2 top hons)

1NT 2C 2S

5 spades, minimum

Rebid	Meaning
1NT 2C 2S 2NT	natural New suit-weak stop(xx)
1NT 2C 2S 3C/3D	natural (Natural)
1NT 2C 2S 3H	slam interest in spades 3S- max; 4S/3NT- min; cue bid (non max)

1NT 2C 2NT

5 hearts, minimum

Rebid	Meaning
1NT 2C 2NT 3C/3D	natural (Natural)
1NT 2C 2NT 3H	to play
1NT 2C 2NT 3S	slam interest in hearts

1NT 2C 2NT 3S

slam interest in hearts

Rebid	Meaning
1NT 2C 2NT 3S 3NT	max; cue bid

1NT 2C 3C/3D

max with 6 card minor

New suit- cue bid

Rebid	Meaning
1NT 2C 3C/3D 3NT	to play
1NT 2C 3C/3D 4C/4D (raise)	RKCB Appendix 4

1NT 2C 3H/3S

max with 5 card major

New Suit – cue bid

Rebid	Meaning
1NT 2C 3H/3S 3NT/Raise	to play

1NT 2D

transfer to hearts

Rebid	Meaning
1NT 2D 2H	denies 4 card support
1NT 2D 2S/3C/3D	maximum with three card support (min K10x) and suit with reasonable chance of 4 tricks opposite an honour (3D (if available) – re-transfer to 3H)
1NT 2D 2NT	maximum with 4 card support
1NT 2D 3H	minimum with 4 card support

1NT 2D 2H

denies 4 card support

Rebid	Meaning
1NT 2D 2H 2S	natural 5-4 may only be invit (forcing to 2NT) (continues if game values)
1NT 2D 2H 2NT	invitational (Natural)
1NT 2D 2H 3C/3D	natural
1NT 2D 2H 3H	6 card suit, invitational (Natural)
1NT 2D 2H 3S/4C/4D	self Splinter, good 6 card suit (cue bid)
1NT 2D 2H 3NT	usually 5332 opener chooses
1NT 2D 2H 4H	mild slam try, probably no shortage (Natural)

1NT 2D 2H 2S

natural 5-4 may only be invit (forcing to 2NT) (continues if game values)

Rebid	Meaning
1NT 2D 2H 2S 2NT	to play if invit
1NT 2D 2H 2S 3C/3D	max + fit (H/S)
1NT 2D 2H 2S 3H/3S	min + fit (H/S)

1NT 2D 2H 2NT

invitational

Natural

Rebid	Meaning
1NT 2D 2H 2NT 3H/3NT/4H	to play

1NT 2D 2H 3C/3D

natural

Rebid	Meaning
1NT 2D 2H 3C/3D 3H	max (3H) New suit- cue bid; agreeing minor

1NT 2D 2S/3C/3D

maximum with three card support (min K10x) and suit with reasonable chance of 4 tricks opposite an honour

3D (if available) – re-transfer to 3H

Rebid	Meaning
1NT 2D 2S/3C/3D 3NT	serious slam try New Suit- slam interest, shortage cue bid; cue bid

1NT 2D 2NT

maximum with 4 card support

Rebid	Meaning
1NT 2D 2NT 3C/3S/3H(D)	slam interest (cue bid)
1NT 2D 2NT 3D	re-transfer llmited cue bid

1NT 2D 3H

minimum with 4 card support

Rebid	Meaning
1NT 2D 3H 3S/4C/4D	slam interest, shortage (cue bid)
1NT 2D 3H 3NT	serious slam try (cue bid)

1NT 2H

transfer to spades

All sequences are similar to those following 1NT-2D:

Rebid	Meaning
1NT 2H 2S	denies 4 card support 2NT-invit with 5S; 3C/3D/3H-natural; 3S- 6+ invit 4C/4D/4H-self splinter 6+; 4S- mild slam try; 3NT-choice
1NT 2H 2NT	maximum with 4 card support 3C/3D- slam interest; 3H- re-transfer
1NT 2H 3C/3D/3H	max with 3 card support (min K10x) and suit promising 4 tricks opposite an hon. 3H (if available)- re-transfer to 3S; New Suit- slam interest, shortage; 3NT- serious slam try
1NT 2H 3S	4 card support, minimum New suit- shortage, 3NT- serious slam try

1NT 2S

shows clubs (5 good or 6+)

Rebid	Meaning
1NT 2S 2NT	denies Hxx or better in clubs
1NT 2S 3C	promises Hxx or better in clubs Continuations as after 1NT-2S-2NT:

1NT 2S 2NT

denies Hxx or better in clubs

Rebid	Meaning
1NT 2S 2NT 3C	to play
1NT 2S 2NT 3D	shortage (may have a 4 card major if 5 good or 6 clubs)
1NT 2S 2NT 3H	shortage (denies 4 diamonds but may Have 4 spades with 5 good or 6 clubs)
1NT 2S 2NT 3S	shortage (denies a second suit) (Natural)
1NT 2S 2NT 3NT	to play
1NT 2S 2NT 4C	slam try (probably no shortage) (cue bid)
1NT 2S 2NT 4D	RCKB (for clubs) (Appendix 4)
1NT 2S 2NT 4H/4S	6-5 limited
1NT 2S 2NT 4NT	invitational with likely 5332

1NT 2S 2NT 3D

shortage (may have a 4 card major if 5 good or 6 clubs)

Rebid	Meaning
1NT 2S 2NT 3D 3H/3S	natural
1NT 2S 2NT 3D 3NT	natural

1NT 2S 2NT 3H

shortage (denies 4 diamonds but may Have 4 spades with 5 good or 6 clubs)

Rebid	Meaning
1NT 2S 2NT 3H 3S	natural
1NT 2S 2NT 3H 3NT	natural

1NT 2S 3C

promises Hxx or better in clubs

Continuations as after 1NT-2S-2NT:

Rebid	Meaning
1NT 2S 3C Pass	weak
1NT 2S 3C 3D	shortage (may have a 4 card major if 5 good or 6 clubs)
1NT 2S 3C 3H	shortage (denies 4 diamonds but may Have 4 spades with 5 good or 6 clubs)
1NT 2S 3C 3S	shortage (denies a second suit) (Natural)
1NT 2S 3C 3NT	to play
1NT 2S 3C 4C	slam try (probably no shortage) (cue bid)
1NT 2S 3C 4D	RCKB (for clubs) (Appendix 4)
1NT 2S 3C 4H/4S	6-5 limited
1NT 2S 3C 4NT	invitational with likely 5332

1NT 2S 3C 3D

shortage (may have a 4 card major if 5 good or 6 clubs)

Rebid	Meaning
1NT 2S 3C 3D 3H/3S	natural
1NT 2S 3C 3D 3NT	natural

1NT 2S 3C 3H

shortage (denies 4 diamonds but may Have 4 spades with 5 good or 6 clubs)

Rebid	Meaning
1NT 2S 3C 3H 3S	natural
1NT 2S 3C 3H 3NT	natural

1NT 2NT

shows diamonds (5 good or 6+)

(could be weak 5-5 in minors)

Rebid	Meaning
1NT 2NT 3C	denies Hxx or better in diamonds
1NT 2NT 3D	promises Hxx or better in diamonds

1NT 2NT 3C

denies Hxx or better in diamonds

Rebid	Meaning
1NT 2NT 3C Pass	weak 5-5 in minors
1NT 2NT 3C 3D	to play
1NT 2NT 3C 3H	shortage (denies 4 clubs but may Have 4 spades with 5 good or 6 diamonds)
1NT 2NT 3C 3S	shortage (denies a second suit) (Natural)
1NT 2NT 3C 3NT	to play
1NT 2NT 3C 4C	RKCB (for diamonds) (Appendix 4)
1NT 2NT 3C 4D	slam try (probably no shortage) (cue bid)
1NT 2NT 3C 4H/4S	6-5 limited
1NT 2NT 3C 4NT	invitational with likely 5332

1NT 2NT 3C 3H

shortage (denies 4 clubs but may Have 4 spades with 5 good or 6 diamonds)

Rebid	Meaning
1NT 2NT 3C 3H 3S	natural
1NT 2NT 3C 3H 3NT	natural

1NT 2NT 3D

promises Hxx or better in diamonds

Rebid	Meaning
1NT 2NT 3D Pass	weak
1NT 2NT 3D 3H	shortage (denies 4 clubs but may Have 4 spades with 5 good or 6 diamonds)
1NT 2NT 3D 3S	shortage (denies a second suit) (Natural)
1NT 2NT 3D 3NT	to play
1NT 2NT 3D 4C	RCKB (for diamonds) (Appendix 4)
1NT 2NT 3D 4D	slam try (probably no shortage) (cue bid)
1NT 2NT 3D 4H/4S	6-5 limited
1NT 2NT 3D 4NT	invitational with likely 5332

1NT 2NT 3D 3H

shortage (denies 4 clubs but may Have 4 spades with 5 good or 6 diamonds)

Rebid	Meaning
1NT 2NT 3D 3H 3S	natural
1NT 2NT 3D 3H 3NT	natural

1NT 3C

shows a hand with a singleton (S) And 4 hearts

Rebid	Meaning
1NT 3C 3D	asks for responders 5+ card minor 3H(C)/3S(D)- shows minor (5431/6421 shape)
1NT 3C 3H	agrees hearts
1NT 3C 3S/3NT	max/min with good (double) spade stop

1NT 3C 3D

asks for responders 5+ card minor

3H(C)/3S(D)- shows minor (5431/6421 shape)

Rebid	Meaning
1NT 3C 3D 3NT	exactly 1444 (only game values) (Natural)

1NT 3C 3H

agrees hearts

Rebid	Meaning
1NT 3C 3H 3S	likely void (0436/0463) (cue bid)
1NT 3C 3H 3NT	serious slam try (cue bid)
1NT 3C 3H 4C/4D	good suit (cue bid)

1NT 3C 3S/3NT

max/min with good (double) spade stop

Rebid	Meaning
1NT 3C 3S/3NT 3NT	minimum, no slam interest
1NT 3C 3S/3NT 4C/4D	slam try (cue bid)

1NT 3D

5+ good/6+ suit club shortage

Rebid	Meaning
1NT 3D 3H/3S	natural looking for fit

1NT 3D 3H/3S

natural looking for fit

Rebid	Meaning
1NT 3D 3H/3S 3NT/Raise	minimum, no fit/fit
1NT 3D 3H/3S 4C/4D	maximum, fit/no fit (3S- over 3H is natural) cue bid

1NT 3H/3S

shortage with 5-4 in minors and 3 card major

Rebid	Meaning
1NT 3H/3S 3NT/5C/5D	minimum continuations show slam going hand
1NT 3H/3S 4C/4D	maximum, slam try UNBID MAJOR- suggests playing there if 3 card support (5431); Raise of shortage major – choose a minor New Suit – cue bid

1NT 3H/3S 4C/4D

maximum, slam try

UNBID MAJOR- suggests playing there if 3 card support (5431); Raise of shortage major – choose a minor

New Suit – cue bid

Rebid	Meaning
1NT 3H/3S 4C/4D 4NT	5-5 New Suit – cue bid choose minor

1NT 4C

5-5 Majors game (only) or slam going

Rebid	Meaning
1NT 4C 4D	no preference
1NT 4C 4H/4S	preference

1NT 4C 4D

no preference

Rebid	Meaning
1NT 4C 4D 4H/4S	natural (choice)
1NT 4C 4D 4NT	RCKB Appendix 4

1NT 4C 4H/4S

preference

Rebid	Meaning
1NT 4C 4H/4S 4NT	RCKB Appendix 4

1NT 4D

transfer to 4H to play/ slam going

Rebid	Meaning
1NT 4D 4H	openers only bid New Suit – Exclusion Blackwood

1NT 4D 4H

openers only bid

New Suit – Exclusion Blackwood

Rebid	Meaning
1NT 4D 4H 4NT	RKCB Appendix 4

1NT 4H

transfer to 4S to play/slam going

Rebid	Meaning
1NT 4H 4S	openers only bid New Suit – Exclusion Blackwood

1NT 4H 4S

openers only bid

New Suit – Exclusion Blackwood

Rebid	Meaning
1NT 4H 4S 4NT	RKCB Appendix 4

1NT 4S

both minors (6-5) game values only

Rebid	Meaning
1NT 4S 4NT	no preference
1NT 4S 5C/5D	preference

1NT 4S 4NT

no preference

Rebid	Meaning
1NT 4S 4NT 5C/5D	natural (choice)

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