Longest WC game of all time. Korchnoi fails to spot mate in 7. Korchnoi vs Karpov, 1978  (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 124 moves, 1/2-1/2 2nd longest ever. Anand expertly defends R+4P vs RN+2P. Carlsen vs Anand, 2014  (C67) Ruy Lopez, 122 moves, 1/2-1/2 3rd longest. Strategic R+P ending from their rematch. Tal vs Botvinnik, 1961  (B12) Caro-Kann Defense, 121 moves, 1/2-1/2 4th longest. Lasker survives the dreaded R+B vs. R torture. Tarrasch vs Lasker, 1908  (C67) Ruy Lopez, 119 moves, 1/2-1/2 Already 5th all time. Carlsen misses multiple wins. Caruana vs Carlsen, 2018  (B31) Sicilian, Rossolimo Variation, 115 moves, 1/2-1/2 6th place and longest decisive WC game ever. Kasparov vs Karpov, 1990  (C45) Scotch Game, 102 moves, 1-0 7th longest. Who ever said Janowski couldn't put up a fight? Lasker vs Janowski, 1910  (D60) Queen's Gambit Declined, Orthodox Defense, 101 moves, 1/2-1/2 8th place. From the Mexico City WC tournament. Leko vs Gelfand, 2007  (C42) Petrov Defense, 100 moves, 1/2-1/2 9th longest ever. Carlsen does not believe in fortresses. Karjakin vs Carlsen, 2016  (C84) Ruy Lopez, Closed, 94 moves, 1/2-1/2 10th longest. Kasparov, down 4-0, just needed to keep drawing. Karpov vs Kasparov, 1984  (E15) Queen's Indian, 93 moves, 1/2-1/2 11th longest overall; 2nd longest decisive game. Spassky vs Petrosian, 1966  (B18) Caro-Kann, Classical, 91 moves, 1-0 Last draw I'm including. This match makes the list twice. Tal vs Botvinnik, 1961  (B12) Caro-Kann Defense, 90 moves, 1/2-1/2 Longest ever victory by Black in WC. Janowski vs Lasker, 1910  (D04) Queen's Pawn Game, 87 moves, 0-1 From the inaugural WC match. Still 4th longest decisive game. Zukertort vs Steinitz, 1886  (D35) Queen's Gambit Declined, 86 moves, 1-0 Steinitz gets busted in his own variation of the Spanish. Chigorin vs Steinitz, 1889  (C62) Ruy Lopez, Old Steinitz Defense, 83 moves, 1-0 A famous game, featured in countless textbooks on R+P endings. Alekhine vs Capablanca, 1927  (D51) Queen's Gambit Declined, 82 moves, 1-0 Who ever knew Bogoljubov was such a pro at rook endings? Alekhine vs Bogoljubov, 1934  (D52) Queen's Gambit Declined, 81 moves, 0-1 Korchnoi desperately trying to stay alive late in the match. Korchnoi vs Karpov, 1978  (A19) English, Mikenas-Carls, Sicilian Variation, 79 moves, 1-0 Steinitz has now been on the losing side of three of these... Lasker vs Steinitz, 1896  (C68) Ruy Lopez, Exchange, 78 moves, 1-0 Um...forget what I said about Bogo being an endgame genius! Alekhine vs Bogoljubov, 1929  (D51) Queen's Gambit Declined, 77 moves, 1-0 Anand uses Lucena's Position to win the rapid tiebreak. Anand vs Gelfand, 2012  (B30) Sicilian, 77 moves, 1-0 Modern GMs would never play on for so long in this endgame. Lasker vs Tarrasch, 1908  (C12) French, McCutcheon, 76 moves, 1-0 The start of a hard-fought and infamous match. Kramnik vs Topalov, 2006   (E04) Catalan, Open, 5.Nf3, 75 moves, 1-0 Saved Carlsen's title. Karjakin missed an easy forced draw. Carlsen vs Karjakin, 2016  (C65) Ruy Lopez, Berlin Defense, 75 moves, 1-0 Honorable mention: One of my favorite Fischer games ever. Spassky vs Fischer, 1972  (B04) Alekhine's Defense, Modern, 74 moves, 0-1 25 games