12...O-O!! F A Hoffmann vs A Petrov, 1844  (C53) Giuoco Piano, 20 moves, 0-1 12.O-O-O! Morphy vs A Meek, 1857  (A43) Old Benoni, 12 moves, 1-0 24.O-O-O+ G H Thornton vs W H Boultbee, 1884  (C30) King's Gambit Declined, 24 moves, 1-0 20.O-O-O! Marshall vs Burn, 1907  (A46) Queen's Pawn Game, 20 moves, 1-0 11.O-O-O+ Dunbar vs Chawkin, 1925  (C45) Scotch Game, 11 moves, 1-0 14.O-O-O+ H Mattison vs R Millers, 1926  (B20) Sicilian, 14 moves, 1-0 11...O-O-O+ NN vs G Abrahams, 1929  (D31) Queen's Gambit Declined, 11 moves, 0-1 13.O-O-O+ O Feuer vs O'Kelly, 1934  (C73) Ruy Lopez, Modern Steinitz Defense, 13 moves, 1-0 14.O-O-O+ Borbely vs Kovacs, 1948  (B53) Sicilian, 14 moves, 1-0 18.O-O! Korchnoi asked the arbiter if castling was legal Korchnoi vs Karpov, 1974  (E17) Queen's Indian, 19 moves, 1-0 22.O-O!? Doesn't win on the spot but it's a crazy castle Korchnoi vs Timman, 1977  (A28) English, 37 moves, 1-0 12...O-O-O+ C Storey vs D Scoones, 1978  (A31) English, Symmetrical, Benoni Formation, 16 moves, 0-1 16.O-O-O! A Beliavsky vs Timman, 1986  (B09) Pirc, Austrian Attack, 57 moves, 1-0 16.O-O!! Taimanov vs G Zaichik, 1989  (A04) Reti Opening, 29 moves, 1-0 11...O-O-O K Hallier vs T Winckelmann, 1989  (B00) Uncommon King's Pawn Opening, 11 moves, 0-1 15.O-O!? Another crazy castle Sosonko vs S Polgar, 1991  (E04) Catalan, Open, 5.Nf3, 32 moves, 0-1 29...O-O-O!! P Hopman vs I Rogers, 1996  (A57) Benko Gambit, 29 moves, 0-1 15.O-O-O! N S Nilsson vs H D Pedersen, 1997  (B90) Sicilian, Najdorf, 17 moves, 1-0 16.O-O-O! R Zelcic vs Z Mestrovic, 1999  (B00) Uncommon King's Pawn Opening, 16 moves, 1-0 13.O-O-O+ Carlsen vs Torben Kallesoe, 2004  (C45) Scotch Game, 34 moves, 1-0 19...O-O! Karjakin vs Carlsen, 2007  (B30) Sicilian, 34 moves, 0-1 25.O-O-O! Gelfand vs Adams, 2013  (D37) Queen's Gambit Declined, 54 moves, 1-0 14...O-O-O A Indusekar vs E Rosen, 2013 (A21) English, 14 moves, 0-1 19.O-O-O+ D Arond vs R Murphy, 2015  (B13) Caro-Kann, Exchange, 19 moves, 1-0 13.O-O-O+ I Mestek vs A Voscilla, 2016 (C73) Ruy Lopez, Modern Steinitz Defense, 21 moves, 1-0 14...O-O-O+ Brunello vs M Lagarde, 2019  (D80) Grunfeld, 50 moves, 1-0 14.O-O-O+ F Rhine vs Marc Taramelli, 2020  (D10) Queen's Gambit Declined Slav, 15 moves, 1-0 23...O-O-O! R Mamedov vs Navara, 2022  (B22) Sicilian, Alapin, 23 moves, 0-1 18.O-O-O+ F Rhine vs NN, 2022  (D15) Queen's Gambit Declined Slav, 18 moves, 1-0 29 games