bridge-system

1S

Natural 4+ 10-21pts

Rebid	Meaning
1S 1NT	5-12pts shouldn’t have: a) 3+ card support unless balanced Most sequences are identical those following 1H-1NT:
1S 2C	Two way; either Natural 4+ suit Game Forcing or unbal (sing/void) invitational 3 card raise (* By PASSED HAND is natural 9+pts, invitational) Generally sequences are similar to those following 1H-2C:
1S 2D	Natural 4+ suit Game Forcing (* By PASSED HAND is natural 9+pts, invitational) Virtually all sequences as after 1H-2D:
1S 2H	Natural 5+ suit Game Forcing (* By PASSED HAND is natural 9+pts, invitational)
1S 2S	Constructive Raise* but limited (5-10pts) 4+ card support 5-8pts 3 card support 7-10pts nb. 4+ card support 9+pts via 2NT/splinter 3 card support 5-6pts or 11-12pts via 1NT/2C
1S 2NT	4+ support sound raise to 3+ All sequences are similar to those following 1H-2NT:
1S 3C	6+ clubs, invit 9-12pts, no fit (<Hxx) *(FIT-JUMP by passed hand Promising 4+ sup)
1S 3D	6+ diamonds, invit 9-12pts, no fit (<Hxx) *(FIT-JUMP by passed hand Promising 4+ sup) Sequences identical to those after 1S-3C:
1S 3H	6+ hearts, invit 9-12pts, no fit (<Hxx) *(FIT-JUMP by passed hand Promising 4+ sup) Sequences identical to those after 1S-3C:
1S 3S	4+ card limit raise (5-8pts) (obstructive) New suit – cue bid (limited)
1S 3NT	4+ card support 9-13pts with ANY void
1S 4C/4D/4H	4+ card support singleton, 9-13pts (New suit – cue bid)
1S 4S	limit raise (5-8pts)

1S 1NT

5-12pts

shouldn’t have: a) 3+ card support unless balanced

Most sequences are identical those following 1H-1NT:

Rebid	Meaning
1S 1NT 2C	5+S and 4+C 10-15pts or hands with 5+S and 4+C/D/H 16+pts or very strong spade one suiter
1S 1NT 2D	natural (5-4), 10-15pts 2H- 5+card suit, weak; 2S- 2/3 spades weak;; 2NT – natural 10-12pts; 3C- 6+ suit, weak;; 3D- natural; 3H- Splinter, maximum; 3S- card raise
1S 1NT 2H	natural (5-4), 10-15pts 2S- 2/3 spades weak; 2NT- natural, 10-12pts; 3C/3D- 5-9pts 6 card suit; 3H/3S- natural raise
1S 1NT 2S	6+ minimum 2NT – natural 10-12pts; 3S- 2/3 card raise
1S 1NT 2NT	17-18pts balanced 3C/3D/3H- 5-7pts poor 6 card suit;
1S 1NT 3C/3D/3H	good 5-5, invitational
1S 1NT 3S	good 6 card suit, invitational Sequences which are (slightly) different: Natural

1S 1NT 2C

5+S and 4+C 10-15pts or hands with 5+S and 4+C/D/H 16+pts or very strong spade one suiter

Rebid	Meaning
1S 1NT 2C 2D	ALL 9+pts hands (except 3 card support) (Appendix 6)
1S 1NT 2C 2H	5-9pts 4+ hearts (if 6H 5-7pts; if 4H only 0/1S) (Appendix 6)
1S 1NT 2C 2S	5-9pts 2/3 spades (Appendix 6)
1S 1NT 2C 2NT	5-9pts 0/1 spade (guarantees 4+ clubs) (Appendix 6)
1S 1NT 2C 3C/3D	5-9pts 6 card suit (Appendix 6)
1S 1NT 2C 3H	8-9pts 6 hearts
1S 1NT 2C 3S	3 card support balanced, invitational

1S 1NT 2S

6+ minimum

2NT – natural 10-12pts; 3S- 2/3 card raise

Rebid	Meaning
1S 1NT 2S 3C/3D/3H	5-9pts 6 card suit, poor support

1S 1NT 2NT

17-18pts balanced

3C/3D/3H- 5-7pts poor 6 card suit;

Rebid	Meaning
1S 1NT 2NT 3S	3 card support, offers choice of game

1S 1NT 3C/3D/3H

good 5-5, invitational

Rebid	Meaning
1S 1NT 3C/3D/3H 3S	weak preference; New Suit- values non min

1S 2C

Two way; either Natural 4+ suit Game Forcing or unbal (sing/void) invitational 3 card raise

(* By PASSED HAND is natural 9+pts, invitational)

Generally sequences are similar to those following 1H-2C:

Rebid	Meaning
1S 2C 2D	either no immediate game interest opposite 3 card raise (often only 4 card suit; denies 4H) or very strong single suiter or bal 17-18 bal
1S 2C 2H	natural 5S and 4H (may be minimum)
1S 2C 2S	5+ spades GF but limited
1S 2C 2NT	5-4 with diamonds, non minimum (15+pts)
1S 2C 3C	non minimum with 4 clubs
1S 2C 3D/3H	minimum (11-15pts) Splinter with clubs
1S 2C 3S	minimum but very good 6+ spade suit Sequences which are (slightly) different:

1S 2C 2D

either no immediate game interest opposite 3 card raise (often only 4 card suit; denies 4H) or very strong single suiter or bal 17-18 bal

Rebid	Meaning
1S 2C 2D 2H	natural, 5+C-4H (Natural)
1S 2C 2D 2S	unbalanced invitational 3 card raise ALL OTHER BIDS SHOW GAME FORCE WITH CLUBS 2NT- 17-18 bal;
1S 2C 2D 2NT	natural (in principle), non minimum (Appendix 1)
1S 2C 2D 3C	good suit, invites support on Hx (Natural)
1S 2C 2D 3D	natural 5+C-4+D, non minimum (Natural)
1S 2C 2D 3H/4D	Splinter, 4 card support and a good C suit (cue bids)
1S 2C 2D 3S	3+ card support, slam try (cue bids)
1S 2C 2D 3NT	natural, minimum (Appendix 1)
1S 2C 2D 4C	4 card support and 6+ very good clubs (cue bids)

1S 2C 2D 2S

unbalanced invitational 3 card raise

ALL OTHER BIDS SHOW GAME FORCE WITH CLUBS

2NT- 17-18 bal;

Rebid	Meaning
1S 2C 2D 2S 3C/D/H/S	game try
1S 2C 2D 2S 3NT/4C/D/H	slam try

1S 2C 2H

natural 5S and 4H (may be minimum)

Rebid	Meaning
1S 2C 2H 2S	unbalanced 3 card spade raise, invitational (Natural (game try))
1S 2C 2H 2NT	natural (in principle), non minimum (Appendix 1)
1S 2C 2H 3C	good suit, invites support on Hx (Natural)
1S 2C 2H 3D	natural 5+C-4+D, non minimum (Natural)
1S 2C 2H 3H/3S	confirm suit, slam try (cue bids)
1S 2C 2H 3NT	natural, minimum
1S 2C 2H 4C	good clubs with 4 card H support (cue bid)
1S 2C 2H 4D	Limited Splinter with 4 card H support ALL OTHER BIDS SHOW GAME FORCE WITH CLUBS cue bid
1S 2C 2H 4H	natural, minimum (game values with clubs)
1S 2C 2H 4S	minimum 3 card raise (game values with clubs)

1S 2C 2S

5+ spades GF but limited

Rebid	Meaning
1S 2C 2S 2NT	natural (in principle), non minimum (Appendix 1)
1S 2C 2S 3C	good club suit, invites support (Natural)
1S 2C 2S 3D/3H	natural (5-4) not minimum (Natural)
1S 2C 2S 3S	3 card support, slam try (Natural (cue bid))
1S 2C 2S 3NT	natural, minimum (Natural)
1S 2C 2S 4C/4D/4H	Splinter, 3 card raise ALL OTHER BIDS SHOW GAME FORCE WITH CLUBS Natural (cue bid)
1S 2C 2S 4S	3 card raise, minimum

1S 2C 2NT

5-4 with diamonds, non minimum (15+pts)

Rebid	Meaning
1S 2C 2NT 3C	good club suit, invites support (Natural)
1S 2C 2NT 3D	natural raise Natural (cue bid)
1S 2C 2NT 3H	natural, non minimum (Natural)
1S 2C 2NT 3S	non minimum raise (Natural (cue bid))
1S 2C 2NT 3NT	natural, minimum (Natural)
1S 2C 2NT 4C/4H	Splinter.limited 3 card raise (Natural (cue bid))
1S 2C 2NT 4D	agrees suit, shortage in S (Natural (cue bid))
1S 2C 2NT 4S	3 card raise, shortage in openers 2nd suit (D) (ALL OTHER BIDS SHOW GAME FORCE WITH CLUBS)

1S 2C 3C

non minimum with 4 clubs

Rebid	Meaning
1S 2C 3C 3D/3H	confirms clubs, cue bids (Natural (cue bid))
1S 2C 3C 3S	non minimum raise (Natural (cue bid))
1S 2C 3C 3NT	natural, minimum (Natural)
1S 2C 3C 4C	agrees suit, shortage in S (Natural (cue bid))
1S 2C 3C 4D/4H	Splinter, limited 3 card raise (Natural (cue bid))
1S 2C 3C 4S	3 card raise, shortage in openers 2nd suit © (ALL OTHER BIDS SHOW GAME FORCE WITH CLUBS)

1S 2C 3D/3H

minimum (11-15pts) Splinter with clubs

Rebid	Meaning
1S 2C 3D/3H 3NT	minimum game force with clubs
1S 2C 3D/3H 4C	serious club slam try New Suit- cue bid (limited)
1S 2C 3D/3H 4S	suggests 3 card S support 9-14pts

1S 2C 3S

minimum but very good 6+ spade suit

Sequences which are (slightly) different:

Rebid	Meaning
1S 2C 3S 3NT	natural, limited
1S 2C 3S 4C	excellent club suit
1S 2C 3S 4S	likely limited 3 card raise (New Suit – cue bid)

1S 2D

Natural 4+ suit Game Forcing

(* By PASSED HAND is natural 9+pts, invitational)

Virtually all sequences as after 1H-2D:

Rebid	Meaning
1S 2D 2H	natural (5-4)
1S 2D 2S	natural 5+ card suit
1S 2D 2NT	11-13 or 17-18pts balanced (with only 4 spades)
1S 2D 3C	natural (5-4), non minimum
1S 2D 3D	4 card support (not balanced or minimum) (New suit – values (may be cue bid))
1S 2D 3H/4C	Splinter, good D support. minimum Different sequences: New suit- cue bid
1S 2D 3S	good (one loser) 6+ card suit, non minimum (New Suit – cue bid)
1S 2D 3NT	limited, concentrated 5-5 in majors

1S 2D 2H

natural (5-4)

Rebid	Meaning
1S 2D 2H 2S	natural in principle (Appendix 1)
1S 2D 2H 2NT	natural (in principle), non minimum (Appendix 1)
1S 2D 2H 3C	FSF Appendix 5
1S 2D 2H 3D	good suit invites support (Hx) (Natural)
1S 2D 2H 3H/3S	confirm suit, slam try (cue bid)
1S 2D 2H 3NT/4H/4S	natural, minimum (Natural)
1S 2D 2H 4C	heart support, limited Splinter in S (cue bid)
1S 2D 2H 4D	very good suit with 4 card H support (cue bid)

1S 2D 2S

natural 5+ card suit

Rebid	Meaning
1S 2D 2S 2NT	natural (in principle), non minimum (Appendix 1)
1S 2D 2S 3C/3H	natural (3H suggests a distributional non min)
1S 2D 2S 3D	good suit, invites support (Hx) (Natural)
1S 2D 2S 3NT/4S	natural, minimum (Natural)
1S 2D 2S 3S	3+ card support slam interest (cue bids)
1S 2D 2S 4H/4C	Splinter, limited, 3+ support (cue bids)

1S 2D 2NT

11-13 or 17-18pts balanced (with only 4 spades)

Rebid	Meaning
1S 2D 2NT 3C	checkback (may have 4C) (Appendix 2)
1S 2D 2NT 3D	good suit invites support (Hx) (Natural)
1S 2D 2NT 3H	suggests a distributional non minimum (Natural)
1S 2D 2NT 3S	4+ card support slam interest (cue bids)
1S 2D 2NT 3NT	minimum
1S 2D 2NT 4D	sets suit (usually solid) (cue bid)
1S 2D 2NT 4H/4C	natural, distributional (cue bids)

1S 2D 3C

natural (5-4), non minimum

Rebid	Meaning
1S 2D 3C 3D	good suit invites support (Hx) (Natural)
1S 2D 3C 3H	FSF Appendix 5
1S 2D 3C 3S	3+ card support slam interest (cue bids)
1S 2D 3C 3NT	natural, minimum (Appendix 1)
1S 2D 3C 4C	confirms clubs, slam try (cue bids)

1S 2D 3D

4 card support (not balanced or minimum)

New suit – values (may be cue bid)

Rebid	Meaning
1S 2D 3D 3S	3+ card support slam interest (cue bids)
1S 2D 3D 3NT	natural, minimum (Appendix 1)
1S 2D 3D 4D	RKCB Appendix 4

1S 2D 3H/4C

Splinter, good D support. minimum

Different sequences:

New suit- cue bid

Rebid	Meaning
1S 2D 3H/4C 4D	RKCB Appendix 4

1S 2D 3S

good (one loser) 6+ card suit, non minimum

New Suit – cue bid

Rebid	Meaning
1S 2D 3S 3NT	natural Appendix 1
1S 2D 3S 4D	very good suit (cue bid)

1S 2D 3NT

limited, concentrated 5-5 in majors

Rebid	Meaning
1S 2D 3NT 4C	slam try in a major (puppet to 4D) (after 4D shows suit)
1S 2D 3NT 4D	excellent suit (Natural)

1S 2H

Natural 5+ suit Game Forcing

(* By PASSED HAND is natural 9+pts, invitational)

Rebid	Meaning
1S 2H 2S	5+ spades (effectively denies 3+ hearts) (may be 5332)
1S 2H 2NT	11-13 or 17-18pts balanced (with only 4 spades)
1S 2H 3C/3D	natural 5-4, non minimum
1S 2H 3H	4 card raise, non minimum
1S 2H 3S	good (one loser) 6+ card suit, non minimum (New Suit – cue bid)
1S 2H 3NT	3 card H support, non minimum (New Suit – cue bid)
1S 2H 4C/4D	4 card support, limited splinter (New Suit – cue bid)
1S 2H 4H	minimum with 3 card H support (may be 5422) (New Suit – cue bid)

1S 2H 2S

5+ spades (effectively denies 3+ hearts) (may be 5332)

Rebid	Meaning
1S 2H 2S 2NT	natural (in principle), non minimum (Appendix 1)
1S 2H 2S 3C/3D	natural, 5-4 (Natural)
1S 2H 2S 3H	good suit invites support (Natural (cue bid))
1S 2H 2S 3NT/4H/4S	natural, minimum
1S 2H 2S 3S	3 card support, non minimum (cue bid)
1S 2H 2S 4C/4D	3+ card spade support, limited splinter (cue bid)

1S 2H 2NT

11-13 or 17-18pts balanced (with only 4 spades)

Rebid	Meaning
1S 2H 2NT 3C	checkback (may have 4C) (Appendix 2)
1S 2H 2NT 3D	natural 5+H, 4+D (Natural)
1S 2H 2NT 3H	good suit invites support (Natural (cue bid))
1S 2H 2NT 3S	promises 4 card support and good H (Natural (cue bid))
1S 2H 2NT 3NT	natural, minimum

1S 2H 3C/3D

natural 5-4, non minimum

Rebid	Meaning
1S 2H 3C/3D  3H	good suit invites support (Natural)
1S 2H 3C/3D  3S	3 card support, non minimum (cue bid)
1S 2H 3C/3D  3NT	natural, minimum Raise – natural; New suit – FSF Natural; cue bid; Appendix 5

1S 2H 3H

4 card raise, non minimum

Rebid	Meaning
1S 2H 3H 3NT	Serious slam try New Suit – cue bid cue bid; cue bid

1S 2H 3S

good (one loser) 6+ card suit, non minimum

New Suit – cue bid

Rebid	Meaning
1S 2H 3S 3NT/4H/4S	natural, minimum

1S 2S

Constructive Raise* but limited (5-10pts) 4+ card support 5-8pts 3 card support 7-10pts nb. 4+ card support 9+pts via 2NT/splinter 3 card support 5-6pts or 11-12pts via 1NT/2C

Rebid	Meaning
1S 2S 2NT	likely 17-18 balanced New suit- likely 5+suit with only 3 card support
1S 2S 3C/3D/3H	game try (suit requires help) New suit- no help but values in non minimum
1S 2S 3S	obstructive raise (5+ minimum) (responder passes)
1S 2S 4C/4D/4H	self splinter, strong with good suit (cue bids)

1S 2S 2NT

likely 17-18 balanced

New suit- likely 5+suit with only 3 card support

Rebid	Meaning
1S 2S 2NT 3S	minimum, usually 4 card support (Natural)

1S 2S 3C/3D/3H

game try (suit requires help)

New suit- no help but values in non minimum

Rebid	Meaning
1S 2S 3C/3D/3H 3S/4S	no help, minimum/help

1S 2NT

4+ support sound raise to 3+

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

Rebid	Meaning
1S 2NT 3C	non minimum (a hand which would make a Slam try opposite a raise to 3)
1S 2NT 3D	usually 5+spades, usually no shortage (Forcing to 3S)
1S 2NT 3H	5+spades, any shortage
1S 2NT 3S	11-13pts balanced (only 4H)
1S 2NT 3NT	17-18pts balanced (only 4S) (New Suit – cue bid)
1S 2NT 4C/4D/4H	concentrated 5-5 (no control in other suits) (New Suit – cue bid)
1S 2NT 4S	minimum with good 6 card S suit, (probably no shortage)

1S 2NT 3C

non minimum (a hand which would make a Slam try opposite a raise to 3)

Rebid	Meaning
1S 2NT 3C 3D	asking about hand type (likely to be 12+ with no shortage)
1S 2NT 3C 3H	specifically 5 good H and 4 S (9-11pts) (Natural (cue bid))
1S 2NT 3C 3S	raise to three only
1S 2NT 3C 3NT	any void, 14+pts
1S 2NT 3C 4C/4D/4H	Splinter, 14+pts (cue bids)

1S 2NT 3C 3D

asking about hand type (likely to be 12+ with no shortage)

Rebid	Meaning
1S 2NT 3C 3D 3H	any shortage (3S asks)
1S 2NT 3C 3D 3S	no shortage (6+S)
1S 2NT 3C 3D 3NT	no shortage (5S)
1S 2NT 3C 3D 4C/4D	strong 5-5

1S 2NT 3C 3S

raise to three only

Rebid	Meaning
1S 2NT 3C 3S 3NT	serious try cue bids (limited)

1S 2NT 3C 3NT

any void, 14+pts

Rebid	Meaning
1S 2NT 3C 3NT 4C	asks for void

1S 2NT 3D

usually 5+spades, usually no shortage

Forcing to 3S

Rebid	Meaning
1S 2NT 3D 3S	raise to 3 only New Suit- cue bid (limited) passes or raises; cue bids
1S 2NT 3D 3NT	Serious slam try (cue bids)

1S 2NT 3H

5+spades, any shortage

Rebid	Meaning
1S 2NT 3H 3S	asks for shortage New Suit- cue bid (limited)

1S 2NT 3H 3S

asks for shortage

New Suit- cue bid (limited)

Rebid	Meaning
1S 2NT 3H 3S 3NT	any void (4C-?) (cue bids)
1S 2NT 3H 3S 4C/4D/4H	singleton

1S 2NT 3S

11-13pts balanced (only 4H)

Rebid	Meaning
1S 2NT 3S 3NT	alternative (not Serious) New Suit – cue bid passes or corrects; cue bids

1S 3C

6+ clubs, invit 9-12pts, no fit (<Hxx)

*(FIT-JUMP by passed hand Promising 4+ sup)

Rebid	Meaning
1S 3C 3S	long spade suit, minimum New suit- values, may be natural Natural; Natural
1S 3C 3NT	to play
1S 3C 4C	agrees clubs (cue bids)

1S 3D

6+ diamonds, invit 9-12pts, no fit (<Hxx)

*(FIT-JUMP by passed hand Promising 4+ sup)

Sequences identical to those after 1S-3C:

Rebid	Meaning
1S 3D 3S	long spade suit, minimum New suit- values, may be natural Natural; Natural
1S 3D 3NT	to play
1S 3D 4D	agrees diamonds (cue bids)

1S 3H

6+ hearts, invit 9-12pts, no fit (<Hxx)

*(FIT-JUMP by passed hand Promising 4+ sup)

Sequences identical to those after 1S-3C:

Rebid	Meaning
1S 3H 3NT/4H	to play
1S 3H 3S	long spade suit, minimum New suit – cue bid Natural; cue bids

1S 3S

4+ card

limit raise (5-8pts) (obstructive)

New suit – cue bid (limited)

Rebid	Meaning
1S 3S 3NT	Serious slam try (cue bids)

1S 3NT

4+ card

support 9-13pts with ANY void

Rebid	Meaning
1S 3NT 4C	asks for void New suit – cue bid (limited)

1S 3NT 4C

asks for void

New suit – cue bid (limited)

Rebid	Meaning
1S 3NT 4C 4D/4H/4HS(C)	void cue bids cue bids; cue bids

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