IM Niels Ondersteijn Full name Niels Ondersteijn Born 1984 (age 42) Place of birth Federation Netherlands Profiles #1031 World Ranking 2367 Classical 2394 Rapid 2440 Blitz Rating Bio Most Played Openings White Pieces Closed Sicilian Defense: Grand Prix Attack (11 games) Closed Sicilian Defense (7 games) Nimzo-Indian Defense: Reshevsky Variation (5 games) King's Indian Defense: Makogonov Variation (4 games) Nimzowitsch-Larsen Attack: Modern Variation (3 games) Black Pieces Philidor Defense: Exchange Variation (16 games) Sicilian Defense: Open, Accelerated Dragon, Maróczy Bind Formation (12 games) Grünfeld Defense: Exchange Variation (8 games) Sicilian Defense: Hyperaccelerated Dragon Variation (5 games) Grünfeld Defense: Exchange, Modern Exchange Variation (5 games) Games Players Result Moves Year Niels Ondersteijn (2367) Kai-Christian Bruns (2170) 1-0 56 2026 Niels Ondersteijn (2367) Juergen Kaufeld (2204) 1-0 69 2026 Niels Ondersteijn (2367) Daniel Kupriyanov (2231) 1-0 64 2026 Niels Ondersteijn (2367) Floryan Eugene (2487) 0-1 56 2026 Pavel Eljanov (2682) Niels Ondersteijn (2367) 1-0 40 2026 Bahne Fuhrmann (2241) Niels Ondersteijn (2367) 0-1 69 2026 Julius Chittka (2279) Niels Ondersteijn (2367) 0-1 57 2026 Ronan Le Goff (2251) Niels Ondersteijn (2367) ½-½ 48 2026 Niels Ondersteijn (2357) S Aswath (2466) 1-0 37 2025 Niels Ondersteijn (2347) Martin Martens (2292) 1-0 53 2025 Show All Games