Bridge

2♣

bid
2♣
2♣
promises
  • • 6–10 HCP
  • • 5+ clubs
  • • no 4-card major
conditions
6–10 HCP, C:5+, H:≤3, S:≤3
why

Simple raise requires 5+ clubs in SAYC because opener could have as few as 3 — you need 5 of your own to guarantee an 8-card fit.

partner

Uncontested — what happens next if the opponent passes.