Opponent’s options: Row 2 bingos, column n bingos, QU plays
Candidate plays: OX 11k, NIX j12, DURO e4
Potential plays on next turn: column b spot, row 11 parallel, column d (post DURO)
Subgoal: Maximize the odds of catching your opponent over the next two turns
Resolution: DURO gives you a good shot at a big score for your X next turn with an E or (possibly) I draw next turn.