The blunder that costed a World Championship! Chigorin vs Steinitz, 1892  (C34) King's Gambit Accepted, 32 moves, 0-1 Genius of combinations loses mate in five Schiffers vs Chigorin, 1897  (C20) King's Pawn Game, 34 moves, 1/2-1/2 Why did you resign? Von Popiel vs G Marco, 1902  (C41) Philidor Defense, 36 moves, 1-0 Can you believe these fish were deciding an elite tournament? Rubinstein vs Nimzowitsch, 1912   (A55) Old Indian, Main line, 50 moves, 1-0 What the hell was the World Champion thinking? Lasker vs Euwe, 1936   (D12) Queen's Gambit Declined Slav, 33 moves, 1-0 Reshevsky misses the very same mate not once--twice! W Fairhurst vs Reshevsky, 1937  (D15) Queen's Gambit Declined Slav, 34 moves, 0-1 Perpetual? Really? E Lundin vs Smyslov, 1946  (D04) Queen's Pawn Game, 39 moves, 1/2-1/2 "You just don't look for mates in two against a Reshevsky" Szabo vs Reshevsky, 1953  (D42) Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3, 27 moves, 1/2-1/2 Another World Champion: what a woodpusher! Spassky vs B Vladimirov, 1961  (B94) Sicilian, Najdorf, 25 moves, 1-0 Reshevsky leaps out of the chair! Reshevsky vs Savon, 1973  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 40 moves, 0-1 Kasparov throws up his hands in horror! Anand vs Kasparov, 1996  (B90) Sicilian, Najdorf, 54 moves, 1-0 Patzer World Championship Topalov vs Kramnik, 2006  (D18) Queen's Gambit Declined Slav, Dutch, 63 moves, 0-1 He just didn't see it coming Deep Fritz vs Kramnik, 2006  (D20) Queen's Gambit Accepted, 35 moves, 1-0 13 games