• A splinter is a jump in a new suit to one level higher than the last normal, conventional bid in that suit.
  • Splinters most commonly present as a double-jump by responder to openers 1 major, but can appear at other times as single jumps.
  • Splinters are game-forcing showing good support for partner’s suit and shortage (singleton or void) in the bid suit.


An overlooked single jump splinter