2147: Amazing performance
Each of the 22 across solutions, in clue order, contributes one unchecked letter to a two-word phrase (13,9) in Chambers 2011. This dictionary entry will enable solvers to highlight a potential victim (9,7) by (again) choosing some of the unchecked letters from fifteen across entries in the order they appear in the grid. The nine unclued lights are selected so their initial letters confirm this potential victim.