Dr Ulrich Trettin Full name Ulrich Trettin Born 1960 (age 66) Place of birth Federation Germany Retired Profiles Rating Bio Most Played Openings White Pieces King's Indian Defense: Orthodox Variation (3 games) Réti Opening: Dutch, Lisitsyn, Rydel-Bloodgood, Polish Gambit, Dalesio Gambit (1 games) Queen's Gambit Declined: Exchange, Positional Line (1 games) Benoni Defense: Modern, Classical Variation (1 games) Tarrasch Defense: Schara Gambit (1 games) Black Pieces Trompowsky Attack: Edge Variation (1 games) Grünfeld Defense: Exchange Variation (1 games) King's Indian Attack: Yugoslav Variation (1 games) Games Players Result Moves Year Dr Ulrich Trettin (2125) Michail Petermann (2212) 0-1 19 2017 Dr Ulrich Trettin (2270) Dr Edgar Prang (2350) 0-1 30 1995 Dr Ulrich Trettin (2270) Roman Kassebaum (2345) ½-½ 24 1995 Dirk Hennig (2345) Dr Ulrich Trettin (2270) 1-0 42 1995 Dr Ulrich Trettin (2280) Dr Eberhard Nonnenmacher (2295) 1-0 26 1994 Dr Ulrich Trettin (2280) Bernd Raedeker (2180) 0-1 23 1994 Dr Ulrich Trettin (2280) Bernd Meissner (2320) ½-½ 17 1994 Dr Ulrich Trettin (2280) Dietmar Porth (2270) ½-½ 44 1994 Frank Staiger (2315) Dr Ulrich Trettin (2280) 1-0 48 1994 Dr Ulrich Trettin (2295) Christian Maier (2400) ½-½ 17 1992 Show All Games