Bridge

2♦

bid
2♦
2♦
promises
  • • 6-10 HCP
  • • 4+ diamonds
  • • no 4-card major
conditions
6–10 HCP, D:4+, H:≤3, S:≤3
why

Simple diamond raise: needs only 4+ because opener has promised 3+ diamonds.

partner

Uncontested — what happens next if the opponent passes.