Bridge
X (negative double)
bid
X
X (negative double)
promises
- • 6+ HCP
- • 4+ spades
- • fewer hearts
conditions
6+ HCP, S:4+, H:≤3why
A negative double after a suit overcall typically shows the other major. Over 1♣–1♥, double shows 4+ spades — it substitutes for bidding 1♠ when you only have four (direct 1♠ promises 5).
No continuations mapped below this bid.