Previous bidding:

NT preference

(3)4♥

7+♣

2♠

♦ values

3♥ if no ♦ values and no 7♣

own good suit

no other option

minimum

minimum

minimum

minimum

~16-17 HCP (4-4.25 HT)

~16-17 HCP (4-4.25 HT)

~16-17 HCP (4-4.25 HT)

~16-17 HCP (4-4.25 HT)

extra

extra, max

extra, max

extra, max

~18-19 HCP (4.5-4.75 HT)

~18+ HCP (4.5+ HT)

~18+ HCP (4.5+ HT)

~18+ HCP (4.5+ HT)

maximum

~20+ HCP (5+ HT)

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