Game forcing hand and confirms a spade suit 5+
Unlike the weak response the next bid is to show long suit
Responder is unlimited so watch for slam que bids
1NT - 17-19 HCP Balanced when opening NT is 11-13, 18-19 when NT is 15-17. Or could be 22-24 HCP balanced.
Denies a spade fit <3
2♣ - 5+ Clubs (16+ HCP)
- Denies a spade fit
2♦ - 5+ Diamonds (16+ HCP)
- Denies a spade fit
2♥ - 5+ Hearts (16+ HCP)
- Denies a spade fit
2♠ - Spade fit may have 16 points 3=5-2-3 but with the doubleton game might be possible
2NT - 19 - 20 HCP
3♣ - 1=4=4=4 only having one spade (this is a jump shift so should stand out)
- Can use 4♣/4♦ RKC
- 3♠ asks for controls 0-3 being the first step. This is the big hand responding so controls increase
3♦/♥ - self sufficient suit and slam interest
- Must bid A, K, singleton or void with values
- One level raise shows min values
- 3NT shows min values and void
3NT - 25-27 HCP