1♣ opening

15+ any shape

♣ - ♦ - ♥ - ♠

RESPONDER NEVER PASS OVER 1♣ OPENING !!

1 OVER 1 RESPONSES

usually sequence:

1♣ - (1♦) - 1♥ or 1♠ == 15+, 4+ (♥ or ♠) Forcing >> NO 5M.3.3.2 15/19 <<, responder cannot Pass,

may show: a) 6M unbal, b) 5m/4M canapé, c) 5/6M and 4/5X,

1♦ response:

negative, 0/7 hpts, any (AKxx isn't negative)
8+ balanced, NO 4M --> 2nd bid 1NT limit (8/9) or 2NT/3NT (10+)
weak with 5+♣ or 5+♦ --> 2nd bid 3♣ or 3♦
weak/INV with 5+♦ + 4M --> 2nd bid M at level, bidding jump shows INV (8/9)
waiting relay --> may have 5M with 8+

The "negative" variant of the 1♦ response are "2♦" rebid or minimum raise to opener's major --> these bids meaning "pard, not a game hope with my hand", e.g.:

A) 1♦ negative response

1♣ - 1♦ - 1♥ - "2♦" --> 2♦ == weak without 4-card support, 2nd NEGATIVE

1♣ - 1♦ - 1♥ - "2♥" --> 2♥ == weak with 4-card support, 2nd NEGATIVE

1♣ - 1♦ - 1♠ - "2♦" --> 2♦ == weak without 4-card support, 2nd NEGATIVE

1♣ - 1♦ - 1♠ - "2♠" --> 2♠ == weak with 4-card support, 2nd NEGATIVE

1♣ – 1♦ – 1NT – "Pass" --> negative, 0/7

1♣ - 1♦ - 1♥ - "3♣" --> negative with long clubs, NO 3-card support

1♣ - 1♦ - 1♥ - "3♦" --> negative with long dia, NO 3-card support

B) 1♦ weak response with 6+♦ or 6+♣

1♣ - 1♦ - 1♥/1♠ - 3♣ --> 0/7 hp, 6+♣ weak NO 4M

1♣ - 1♦ - 1♥/1♠ - 3♦ --> 0/7 hp, 6+♦ weak, NO 4M

C) 1♦ weak or inv response with 5♦ and 4M

1♣ - 1♦ - 1♥ - 1♠ --> weak with 5♦ + 4♠

1♣ - 1♦ - 1♥ - 2♠ --> 8/9 hp, inv with 5♦ + 4♠

1♣ - 1♦ - 1♠ - 2♥ --> weak with 5♦ + 4♥

note: with 9+ hp and 5♦+4M --> first response is 2NT (see below)

D) 1♦ response with 8+ balanced

1♣ - 1♦ - 1♥ or 1♠ - 1NT --> 8/9 hp, NO 4M-card support

1♣ - 1♦ - 1♥ or 1♠ - 2NT --> 10+ hp, NO 4M-card support

E) 1♦ response waiting bid

1♣ - 1♦ - 1♥ or 1♠ - 2♣ !! --> 2♣ Forcing, the opener describes own hand (see below)

1♣ - 1♦ - 1♥ - 1♠ --> 1♠ = 5+-card, NEW Major shows 5 cards 8+

1♣ - 1♦ - 1♠ - 2♥ --> 2♥ = 5+-card, NEW Major shows 5 cards 8+

1♣ - 1♦ - 1♥ - 3♥ --> 3♥ = 4-card, 8/9 LIM

1♣ - 1♦ - 1♥ - 4♥ --> 4♥ = 4+-card, 9/10

1♣ - 1♦ - 1♥ - 2♣ - 2X - 3♥ --> 3♥ = 5-card, 9+ more strong than 4♥

1♣ - 1♦ - 1♠ - 3♠ --> 3♠ = 4-card 8/9 LIM

1♣ - 1♦ - 1♠ - 4♠ --> 4♠ = 9/10, 4+-card

1♣ - 1♦ - 1♠ - 2♣ - 2X - 3♠ --> 3♠ = 5-card, 9+ more strong than 4♠

list:

1♣ - 1♦

1♥/1♠ (*) 4+-card

1NT == 8/9 bal NO 3-card support

2♣ == FG ask --> 2♦ = 18+ (other bid 15/17) --> 2♥ relay

2♠ = 5M+4X, 2NT = 5M+5X, 3♣ = 5♣+4M, 3♦ = 5♦+4M

3M = 6+M, 3OM = 6M+4X, 3NT = free

2♣ == FG ask --> (ans 15/17) 2♥ = 3-suiter, 2♠ = 5M+4X, 2NT = 5M+5X

3♣ = 5♣+4M, 3♦ = 5♦+4M, 3M = 6+M,

3OM = 6M+4X, 3NT = free

2♦ == 2nd negative NO 3-card support

2M == 0/6, 3/4-card weak support

2OM== 9+ GF, 5/4(5) ♦/♣ or 5♦/4OM

--> 2NT relay 3♣ = 5/4 ♦/♣, 3♦ = 5♦/5♣, 3♥ = 5♦/4OM,

2NT == 4+ card support, 10+

3♣ == 0/7 5/4+ ♦/♣ NO 3-card support

3♦ == 0/7 5♦/4OM NO 3-card support

3M == 7/8, 4/5 card support,

3OM== splinter

3NT == 10/11 bal

4♣ == splinter

4♦ == splinter

4M == 4+ card support, unbal

1♥/1♠ response

natural, 8+ hpts (only 7 with AKxx) 4+ cards

1♣ - 1♥ - 1♠ - 2♥ --> 5♥ 8 hp

1♣ - 1♥ - 1♠ - 3♥ --> 5♥ 9/10 hp

1♣ - 1♠ - 1NT - 2♥ (♠) transfer --> 5♠ 8 hp, opener shows fit or min with 2♠

responder jump to 3♠ with 5-card and 9/10 hp

1NT response

weak 0/7 hp, with 4/5/6♠ and 4/5/6♥, at least 9+ card M's --> 2♦ relay*

--> 2♥ (4♥+5♠), 2♠ (5♥+4♠), 2NT (5♥+5♠), 3♣ (6♥+4/5♠), 3♦ (4/5♥+6♠)

(*2♣ is reserved to 1♣ --> 2♣ bid)

RESPONSES AT LEVEL 2 - 3 - 4

2♣ response == 0/7, 5/5 ♣/M weak or 9+ GF --> 2♦ relay on wich: 2♥ (♥), 2♠ (♠), 2NT (♥) 9+, 3♣ (♠) 9+

2♦ response == 0/7, 6+♥ weak or 9+ solid suit --> 2♥ relay on wich: Pass, 2♠ = 9+

2♥ response == 0/7, 6+♠ weak or 9+ solid suit --> 2♠ relay on wich: Pass, 2NT = 9+

2♠ response == a) GF with solid ♣, b) 6♣/4X 9+ --> 2NT relay on wich:

3♣ == GF with solid ♣, 3♦ == 6♣/4+♦, 3♥ == 6♣/4+♥, 3♠ == 6♣/4+♠

2NT response == a) GF with solid ♦, b) 6♦/4M 9+ --> 3♣ relay on wich:

3♦ == GF with solid ♦, 3♥ == 6♦/4♥, 3♠ == 6♦/4♠

3♣ response == 5♣, 4/1 M/M, 3♦ - GF also 5♣/4M(2(2)

3♦ response == 5♦, 4/1 M/M, 3♣ - GF also 5♦/4M(2(2)

3♥ response == ♥ sing., 5/4 m/m, 3♠ - GF

3♠ response == ♠ sing., 5/4 m/m, 3♥ - GF

3NT response == 6/5 m/m to KQ-KQ+ max 1/1 M/M

--> 4♣/4♦ to play if responder has min or 4♥/4♠ set ♣/♦

4♣ response == slam try in ♣, start cues + turbo

4♦ response == slam try in ♦, start cues + turbo

4♥ response == exclusion blkw in ♣, ans 4♠ = 0/3, (4NT ask, 5♣ = 0, 5♦ = 3), 4NT = 1, 5♣ = 2

4♠ response == exclusion blkw in ♦, ans 4NT = 0/3, (5♣ ask, 5♦ = 0, 5♦ = 3), 5♣ = 1, 5♦ = 2

1♣ OPENING 15/17 BALANCED

1♣ - (1♦) - 1NT == 15/17, balanced, may have 5M, also 4.4.4.1(♣/♦)

1♣ - (1♥) - 1NT == 15/17, balanced, No 4♥-card, NF, also 4.1♥.4.4

1♣ - (1♠) - 1NT == 15/17, balanced, No 4♠-card, NF, also 1♠.4.4.4

1♣ - (1♥) - 2♥ == 15/17, 4♥ support

1♣ - (1♠) - 2♠ == 15/17, 4♠ support

1♣ - 1♦

1NT 2♣ MUPPET Stayman

2♦ (♥) - 2♥ (♠) - 2♠ (♣) - 3♣ (♦) transfer

2NT == 8/9 hp

3♦ == ♦ sing. 4.4.4.1., 10+

3♥ == ♥ sing. and 5/4 ♣/♦, 10+

3♠ == ♠ sing. and 5/4 ♣/♦, 10+

3NT == to play

RESPONSES OVER 2♣ MUPPET Stayman

2♦ == NO 5-card M's but at least one 4-card M's

over 2♦ responder continues with: 2♥ holding 4♠, 2♠ holding 4♥, 3♣ holding 4♥ and 4♠

2♥ == 5-card

2♠ == 5-card

2NT == NO 5-card or 4-card M's

1♣ OPENING 15/17 2-SUITER

1♣ - (1♦) - 1♥ - (1NT) - 2♣ !! == 15/17, 5+♣ + 4♥ canapé

1♣ - (1♦) - 1♥ - (1NT) - 2♦ !! == 15/17, 5+♦ + 4♥ canapé

1♣ - (1♦) - 1♥ - (1NT) - 3♣ == 15/17, 5♥ + 4/5♣

1♣ - (1♦) - 1♥ - (1NT) - 3♦ == 15/17, 5♥ + 4/5♦

1♣ - (1♦) - 1♥ - (1NT) - 2♠ == 15/17, 5♥ + 4♠

1♣ - (1♦) - 1♠ - (1NT) - 2♣ !! == 15/17, 5+♣ + 4♠ canapé

1♣ - (1♦) - 1♠ - (1NT) - 2♦ !! == 15/17, 5+♦ + 4♠ canapé

1♣ - (1♦) - 1♠ - (1NT) - 2♥ == 15/17, 5♠ + 4♥

1♣ - (1♦) - 1♠ - (1NT) - 3♣ == 15/17, 5♠ + 4/5♣

1♣ - (1♦) - 1♠ - (1NT) - 3♦ == 15/17, 5♠ + 4/5♦

1♣ - (1♦) - 1♠ - (1NT) - 3♥ !! == 15/17, 5♥ + 5♠

1♣ OPENING 15/17 MINOR 1-SUITER

1♣ - (1X) - 3♣ == 15/17, 6+♣

1♣ - (1X) - 3♦ == 15/17, 6+♦

1♣ OPENING 15/17 MAJOR 1-SUITER

1♣ - (1♦) - 1M - (1X) - 2M == 15/17, 6M-card

1♣ - (1♦) - 1M - (1X) - 3M == 15/17, 7+M-card, NO sing.

1♣ - (1♦) - 3M == 15/17, 7+M-card, very unbal with sing/void

1♣ OPENING 15+, 1-SUITER OR 2-SUITER (♣ or ♦)

1♣ - (1X) - 2♦ == 15+, with 1-suiter (♣ or ♦) or 2-suiter (♣ and ♦), see below

1♣ OPENING 18+

1♣ - (1♦) - 2♥ or 2♠ == 18+ with solid suit (♥ or ♠) 6-card or 5M+4/5X

e.g.: ♠Axx - ♥AKQ1098 - ♦KQx - ♣x (5M.3.3.2 18/19 --> 2♦ opening)

1♣ - (1♥) - 2♠ == 18+, ♠ solid suit or very strong 4♥ support (20+)

2NT ask --> 3♣ (♠), 3♦ (♥) start cue

1♣ - (1♠) - 2♥ == 18+, ♥ solid suit or very strong 4♠ support (20+)

2NT ask --> 3♣ (♥), 3♦ (♠) start cue

1♣ - (1♥) - 3♥ == 18/19, 4♥ support

1♣ - (1♠) - 3♠ == 18/19, 4♠ support

1♣ - (1♦) - 1♠ - (1NT) - 2♥ == 5+ ♠ + 4♥

1♣ - (1♦) - 1♥ - (1NT) - 2♠ == 5+ ♥ + 4♠

1♣ - (1♦) - 2NT !! == 18+ , 5/6m + 4X --> 3♣ ask, see below

1♣ - (1♦) - 1M - (1NT) - 2NT !! == 18+ , 5/6M + 4X --> 3♣ ask, see below

1♣ - (1♦) - 2♣ !! == strong hand (4- losers),

responder shows controls (2♦ (0/1), 2♥ (2), 2♠ (3), ...),

see below

1♣ - (1♦) - 2♣ - (2X) - 2NT == 23+ balanced, see below "strong balanced"

1♣ opening:

Handling Interference

(X)

Pass = weak or waiting

XX = any 9+ HCP

1♦ = 5+♥, weak or 8+ hp

1♥ = 5+♠, weak or 8+ hp

1♠ = 5+♦, weak or 8+ hp

1NT = 2-suiter ♣/♦, weak or 8+ hp - note: 2-suiter even 4-4

2♣ = 2-suiter ♣/M, weak or 8+ hp - note: 2-suiter even 4-4

2♦ = 2-suiter ♦/M, weak or 8+ hp - note: 2-suiter even 4-4

2♥ = 2-suiter ♥/♠, weak or 8+ hp - note: 2-suiter even 4-4

from 2♠ to 3NT --> SYSTEM ON

(1♦)

PASS = ♦ or waiting, double at 2nd bid is penalty

X = 5+♥, 6+

1♥ = 5+♠, 6+

1♠ = only 4♥ with 2 TH if weak 5/7 or 8+

1NT = 2-suiter ♣/M, weak or 8+ hp

2♣ = only 4♠ with 2 TH if weak 5/7 or 8+

2♦ = 4+/4+ Majors, weak or inv

2♥/2♠ = invit+ in NT, ♦ stop but NO stopper in this suit, 9+

2NT = invit+ in NT, balanced hand but NO solid ♦ stop, 9/10

3♣ = preempt

3♦ = 3-suiter with ♦ singl/void

3♥/3♠ = 7 cards, preempt

(1♥)

PASS = ♥ or waiting, double at 2nd bid is penalty

X = 4 or 5 ♠ (operner: 1♠ = 3-card fit, 2♠ = 4-card fit)

1♠ = 1NT bid without ♠ and ♥ stopper, 8+

1NT = double ♥ stopper, 8/10

2♣ = 5+♦, weak or inv

2♦ = 5+♣, weak or inv

2♥ = 6+♠, weak or inv

2♠ = 5♠/4/5m, weak or F --> 2NT relay --> 3♣ (♣) - 3♦ (♦) or 3♥ (♣) - 3♠ (♦) Forcing

2NT = 2-suiter ♣/♦, weak or 8+ hp

(1♠)

PASS = ♠ or waiting, double at 2nd bid is penalty

X = 4♥

1NT = double ♠ stopper, 8/10

2♣ = 5+♦, weak or inv

2♦ = 6+♥, weak or inv

2♥ = 5+♣, weak or inv

2♠ = 5♥/4/5m, weak or F --> 2NT relay --> 3♣ (♣) - 3♦ (♦) or 3♥ (♣) - 3♠ (♦) Forcing

2NT = 2-suiter ♣/♦, weak or 8+ hp

(1NT) 15/17

X = penalty-double

2♣ = ♦ transfer

2♦ = ♥ transfer

2♥ = ♠ transfer

3♣ = ♣ preempt

the following only if agreed:

2♠ = 2-suiter back-to-back: (♣ - ♦) - (♦ - ♥) - (♥ - ♠) - (♠ - ♣), at lest 9-card --> 2NT relay -->

3♣ = (♣ - ♦), 3♦ = (♦ - ♥), 3♥ = (♥ - ♠), 3♠ = (♠ - ♣)

2NT = 2-suiter red/black: (♣ - ♥) or (♦ - ♠) --> 3♣ relay --> 3♦ = (♦ - ♠), 3♥ = (♥ - ♣)

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