Bridge

1♣

bid
1♣
1♣
promises
  • • 13+ HCP
  • • clubs ≥ diamonds (or 3-3 in the minors)
  • • no 5-card major
conditions
13+ HCP, C:3+, H:≤4, S:≤4, C≥D
why

With 3-3 in the minors SAYC opens 1♣: partner is likelier to respond in a major when bidding starts lower, keeping space to find a fit.

what happens next

Partner bids a 4-card major up-the-line, 1NT with 6–10 balanced, or raises clubs with 5+.

partner

Uncontested — what happens next if the opponent passes.

overcaller

Opponent interference at this turn.