David Ottosen Full name David Ottosen Place of birth Federation Canada Retired Profiles Rating Bio Most Played Openings White Pieces Sicilian Defense: Open, Najdorf, English Attack (2 games) Sicilian Defense: Open, Dragon, Main Line (1 games) Caro-Kann Defense: Advance, Short Variation with 4.Nf3 (1 games) Sicilian Defense: Open, Dragon, Old Line (1 games) Sicilian Defense: Kan, Modern, Swiss Cheese Variation (1 games) Black Pieces Semi-Slav Defense: Main Line, Normal Variation (2 games) English Opening: Agincourt Defense (1 games) French Defense: Knight Variation, Two Knights Variation (1 games) Réti Opening: Old Indian Attack (1 games) French Defense: Tarrasch, Morozevich Variation (1 games) Games Players Result Moves Year David Ottosen (2115) Sargis A Manukyan (2567) 0-1 19 2025 David Ottosen (2124) Benedikt Huber (2541) ½-½ 75 2024 David Ottosen (2131) Peter T Roberson (2560) 0-1 50 2024 David Ottosen (2161) Oscar Humberto Ardila (2312) 1-0 57 2024 David Ottosen (2132) Joel Paul Ganta (2322) 1-0 29 2024 David Ottosen (2157) Teimur Toktomushev (2443) 1-0 32 2024 David Ottosen (2137) Matfei Nikologorsky (2470) 0-1 89 2024 David Ottosen (2165) Asa Hoffmann (2373) 0-1 22 2024 David Ottosen (2176) Aron Pasti (2545) 0-1 24 2024 David Ottosen (2092) Marlon Jodar Arias (2415) 0-1 27 2024 Show All Games