You have to feel sorry for him! A Beliavsky vs L E Johannessen, 2002  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 69 moves, 0-1 Take with check, Win the bishop. What could go wrong? Filip vs K Darga, 1961  (A14) English, 33 moves, 0-1 Anywhere but there! Short vs A Beliavsky, 1992  (C48) Four Knights, 58 moves, 0-1 Everything ready to push that pawn? G Garcia vs Ivkov, 1965  (E10) Queen's Pawn Game, 37 moves, 1-0 Poorish from Portisch! M Bely vs Portisch, 1957  (C04) French, Tarrasch, Guimard Main line, 21 moves, 1-0 24 ... Qc7? D Mastrovasilis vs Short, 2011  (B11) Caro-Kann, Two Knights, 3...Bg4, 26 moves, 1-0 Stunned into a blunder by a great attack Kasparov vs Kramnik, 1994  (B33) Sicilian, 36 moves, 1-0 This move cost her the tournament! Lagno vs A Stefanova, 2012  (D10) Queen's Gambit Declined Slav, 37 moves, 0-1 70...Bd5?? OK, maybe not the worst move but still pretty bad! M Socko vs W Ju, 2012  (E97) King's Indian, 74 moves, 1/2-1/2 60.Bd3?? (played under extreme time pressure) Kasimdzhanov vs Nakamura, 2012  (E99) King's Indian, Orthodox, Taimanov, 60 moves, 0-1 55...Kh7?? Gelfand vs H Wang, 2012  (E10) Queen's Pawn Game, 56 moves, 1-0 So important to keep that bishop! Tkachiev vs Ivanchuk, 2009  (C01) French, Exchange, 39 moves, 1-0 98.Kb1 (interesting endgame tussle) E Post vs A Nimzowitsch, 1905  (D07) Queen's Gambit Declined, Chigorin Defense, 98 moves, 1/2-1/2 Torre resigns a won game! Torre vs F E Parker, 1924  (C55) Two Knights Defense, 29 moves, 0-1 Taken with the wrong piece Showalter vs Pillsbury, 1904  (C42) Petrov Defense, 31 moves, 1-0 21.Nxe6?? C Ponizil vs K Stupak, 2006  (C04) French, Tarrasch, Guimard Main line, 21 moves, 0-1 38...Rc6 :/ Schlechter vs Vidmar, 1917  (C66) Ruy Lopez, 39 moves, 1-0 Even the utterly awful 51.Ne4?? would have won. C El Idrissi vs A Laaroussi, 2001  (B23) Sicilian, Closed, 51 moves, 1/2-1/2 Don't block d2! R MacDonald vs H Jacobs, 1904  (B01) Scandinavian, 50 moves, 0-1 19 games