The winner is the one who blunders next-to-last. J Wilson vs G Atwood, 1795  (C37) King's Gambit Accepted, 14 moves, 1-0 Castling was a terrible idea. K Treybal vs J Foltys, 1936  (C02) French, Advance, 9 moves, 0-1 29...Kg7 would have drawn. D Freeman vs K McDonald, 2011  (A80) Dutch, 47 moves, 1-0 50...Nxg6+? and 52...Rxf4?? D Macias Pino vs P R Martinez Reyes, 2025 (D31) Queen's Gambit Declined, 54 moves, 1-0 Wrong castle! Aronian vs Caruana, 2025  (E70) King's Indian, 35 moves, 0-1 57...Ke3 would have drawn. Praggnanandhaa vs Aronian, 2025 (A46) Queen's Pawn Game, 60 moves, 1-0 6 games