Ariel

Defensive Bidding

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Intervention (1♣︎ – natural) – 1♦︎ – (Pass)Competitive

Discuss
1♥︎5+ cards, NF
1♠︎5+ cards, NF
1NTforcing, 1NT + suit = 13-15 natural
2♣︎13-14 with fit, or (16)17+ any hand
2♦︎weak with fit
2♥︎6+♥︎, 10-13 HCP
2♠︎6+♠︎, 10-13 HCP

Intervention (1m) – 1♥︎ – (Pass)Competitive

Discuss
1♠︎5+ cards, NF
1NTforcing, 1NT + suit = 13-15 natural
2m13-14 with fit, or (16)17+ any hand
2 of the other minor – 8-12 natural
2♥︎weak with fit
2♠︎6+♠︎, 10-13 HCP

Intervention (1m) – 1♠︎ – (Pass)Competitive

Discuss
1NTforcing, 1NT + suit = 13-15 natural
2m13-14 with fit, or (16)17+ any hand
2 of the other minor – 8-12 natural
2♥︎8-12 natural
2♠︎weak with fit

Intervention (1m) – 1M – (Pass) – 1NTCompetitive

Discuss
2♣︎5+M, 4-10 HCP / 5M 4+♣︎, 11-15 HCP / 5332, 11-13 HCP
2x5M and 4+ in the suit bid, natural, 11-15 HCP
2M6+M, 11+ HCP
2NT5332, 13-15 HCP (nobody has shown a stopper yet)

Intervention (1m) – 1M – (Pass) – 1NT – (Pass) – 2♣︎ – (Pass) – 2♦︎Competitive

Discuss
2OM5M 4+♣︎, 11-15 HCP
2M5+M, 4-10 HCP
2NT5332, 11-13 HCP (nobody has shown a stopper yet)

Intervention (1♥︎) – X – (2♥︎)Competitive

Discuss
XI would have bid 2♠︎, or a balanced invitation to 3NT with at least a half-stopper
2♠︎takeout-double hand with both minors (may be GF, in which case I bid my shortage next) or constructive with ♣︎ → 2NT = I prefer ♦︎
2NT♦︎, competing up to constructive strength; GF hands with four spades go through here (then 3♠︎ = GF with four spades and no stopper, 3NT = GF with four spades and a stopper)
3♣︎♦︎, GF
3♦︎GF, no four spades and no stopper
3♥︎♠︎, GF
3♠︎♣︎, GF

Defence against Multi 2♦︎Competitive

Discuss
X13-15 HCP or a two-suited double
2♥︎2♠︎natural
2NT16-18 HCP
3♣︎3♦︎natural
3♥︎♠︎ + ♣︎/♦︎, GF → 3♠︎ = the best
3♠︎♣︎ + ♦︎, GF
4♣︎♥︎ + ♣︎, GF
4♦︎♥︎ + ♦︎, GF
Defence against (3X) - DBL

Intervention (1M) – 1NT Competitive

Discuss
2♣︎♦︎, SOFF +
2♦︎♥︎ or Stayman
2♥︎♠︎ or Stayman
2♠︎♣︎, SOFF +
Rest Sys on

Intervention (2M - known suit) – 2NT Competitive

Discuss
3♣︎♦︎, SOFF +
3♦︎♥︎ or Stayman
3♥︎♠︎ or Stayman
3♠︎♣︎, SOFF +
Rest Sys on

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