Boris Gulko beat Garry Kasparov 3 to 1, with 4 draws. Gulko vs Kasparov, 1981  (A65) Benoni, 6.e4, 37 moves, 1-0 Kasparov vs Gulko, 1982  (D27) Queen's Gambit Accepted, Classical, 24 moves, 0-1 Gulko vs Kasparov, 1990  (E81) King's Indian, Samisch, 54 moves, 1-0 Fedor Bohatirchuk beat M. Botvinnik 3 to 0, with 1 draw F Bohatirchuk vs Botvinnik, 1927  (C17) French, Winawer, Advance, 40 moves, 1-0 Botvinnik vs F Bohatirchuk, 1931  (D43) Queen's Gambit Declined Semi-Slav, 41 moves, 1/2-1/2 F Bohatirchuk vs Botvinnik, 1933  (B58) Sicilian, 58 moves, 1-0 ......"You will never beat Botvinnik again!".... F Bohatirchuk vs Botvinnik, 1935  (C49) Four Knights, 38 moves, 1-0 Sergio Mariotti beat Svetovar Glicoric 2 to 0 with 3 draw S Mariotti vs Gligoric, 1969  (E76) King's Indian, Four Pawns Attack, 38 moves, 1-0 S Mariotti vs Gligoric, 1971  (C51) Evans Gambit, 41 moves, 1-0 Sergio's games are never boring, evem the draws... Gligoric vs S Mariotti, 1975 (D07) Queen's Gambit Declined, Chigorin Defense, 46 moves, 1/2-1/2 Sergio Mariotti beat Lev Polugaevsky 1 to 0, with 1 draw S Mariotti vs Polugaevsky, 1975 (B53) Sicilian, 62 moves, 1-0 S Mariotti vs Polugaevsky, 1976 (B46) Sicilian, Taimanov Variation, 46 moves, 1/2-1/2 S. Mariotti tied V. Korchnoi 1 to 1 with 1 draw S Mariotti vs Korchnoi, 1982  (C26) Vienna, 32 moves, 1-0 S Mariotti vs Korchnoi, 1988 (C02) French, Advance, 40 moves, 1/2-1/2 Sergio Mariotti beat Laszlo Szabo 1 to 0, with 1 draw Szabo vs S Mariotti, 1975 (D02) Queen's Pawn Game, 40 moves, 0-1 S Mariotti vs Szabo, 1980 (B06) Robatsch, 30 moves, 1/2-1/2 Sergio "almost" beat Portisch... Portisch vs S Mariotti, 1975  (D07) Queen's Gambit Declined, Chigorin Defense, 41 moves, 1-0 Rashid Gibiatovich Nezhmetdinov beat Mikhail Tal 3 to 1 R Nezhmetdinov vs Tal, 1957  (C17) French, Winawer, Advance, 32 moves, 1-0 The ONLY Misha's victory, but to became CCCP's champion R Nezhmetdinov vs Tal, 1959  (B43) Sicilian, Kan, 5.Nc3, 45 moves, 0-1 R Nezhmetdinov vs Tal, 1959  (B43) Sicilian, Kan, 5.Nc3, 40 moves, 1-0 Antonius Block 2nd chanche..."This time U move the first"...... R Nezhmetdinov vs Tal, 1961  (B84) Sicilian, Scheveningen, 29 moves, 1-0 Rainer F A Knaak beat Efim Geller 2 to 1. Knaak vs Geller, 1974  (E88) King's Indian, Samisch, Orthodox, 7.d5 c6, 40 moves, 1-0 Knaak vs Geller, 1982  (D31) Queen's Gambit Declined, 31 moves, 1-0 23 games