Roger Patterson Full name Roger Patterson Born 1958 (age 68) Place of birth Federation Canada Profiles # World Ranking 1976 Classical Bio Most Played Openings White Pieces Sicilian Defense: Open, Najdorf, Amsterdam Variation (3 games) English Opening: Great Snake Variation (2 games) Caro-Kann Defense: Gurgenidze System (2 games) English Opening: Anglo-Indian, Hedgehog System (1 games) English Opening: Fianchetto, Ultra-Symmetrical Line (1 games) Black Pieces Nimzo-Indian Defense: Three Knights Variation (2 games) Bird's Opening: Dutch Variation (2 games) Sicilian Defense: Open, Scheveningen, Classical Variation (1 games) Dutch Defense: Raphael Variation (1 games) Giuoco Piano Game: Evans Gambit Declined (1 games) Games Players Result Moves Year Roger Patterson (2031) Mark Ginsburg (2324) 0-1 28 2019 Roger Patterson (2095) Robert Sasata (2374) ½-½ 54 2015 Roger Patterson (2095) John Doknjas (2293) 0-1 31 2015 Butch Villavieja (2207) Roger Patterson (2095) ½-½ 69 2015 Roger Patterson (2108) Butch Villavieja (2236) 0-1 50 2014 Robert Sasata (2385) Roger Patterson (2108) ½-½ 32 2014 Kateryna Rohonyan (2351) Roger Patterson (2108) ½-½ 32 2014 Roger Patterson (2105) Leon David Piasetski (2304) 0-1 47 2012 Roger Patterson (2101) Loren Brigham Laceste (2297) 0-1 37 2012 Roger Patterson (2107) Hikaru Nakamura (2771) 0-1 44 2012 Show All Games