An obvoius blunder Von Popiel vs G Marco, 1902  (C41) Philidor Defense, 36 moves, 1-0 My favourite mistake ^^ I Samarin vs Antoshin, 1985  (D11) Queen's Gambit Declined Slav, 36 moves, 0-1 Move 36 is just too hilarious, not a loosing blunder but anyway R Staechelin vs Marco Lehmann, 2005  (B31) Sicilian, Rossolimo Variation, 40 moves, 1-0 Lambert gives up a won game :D Kotov vs G Lambert, 1977  (A48) King's Indian, 41 moves, 1-0 Resigning from Shock? M Romi vs C Staldi, 1954  (A48) King's Indian, 51 moves, 1-0 Blindness of a special kind. A Sznapik vs M van Gils, 1986  (A40) Queen's Pawn Game, 20 moves, 1-0 Mutual Blindness! G Negyesy vs K Honfi, 1955  (D84) Grunfeld, Grunfeld Gambit Accepted, 19 moves, 0-1 Losing the WC title by resigning A Both vs Spate, 1987  (E73) King's Indian, 39 moves, 0-1 Bad Calculations? R Ortega vs E Etcheverry, 1963  (B03) Alekhine's Defense, 38 moves, 0-1 Another day, another mistake... K Darga vs Lengyel, 1964  (A17) English, 41 moves, 0-1 Krabbés Kramped K Langeweg vs T Krabbe, 1967  (A25) English, 32 moves, 1-0 Blind in aHouse of Glaz Veprek vs I David Glaz, 1982  (A07) King's Indian Attack, 33 moves, 1-0 Why not... 28. Ne3... B Jonasson vs H Angantysson, 1986  (B33) Sicilian, 27 moves, 0-1 Noone ever won a game by resigning A Martorelli vs A Antunes, 1986  (C49) Four Knights, 39 moves, 1-0 Panic! C S Matamoros Franco vs J Klinger, 1986  (A41) Queen's Pawn Game (with ...d6), 35 moves, 0-1 15 games