Historical clue formulations

• "Avengers: ___" (film in Marvel's Infinity Saga) — 2025-11-14
• When mating typically occurs — 2025-10-12
• When checkmate is most likely to occur — 2020-01-14
• Final stage — 2018-05-26
• King vs. king-and-pawn situation — 2015-04-15
• Chess closing — 2012-07-01
• Final stage, in chess — 2004-08-24
• Final stage — 2002-10-18
• Area of chess study — 1999-07-23
• Chess finale — 1995-10-08
• Chess finale — 1995-07-20