IM Ruben Gideon Koellner

Full name

Ruben Gideon Koellner

Born

2004 (age 22)‎

Place of birth

Federation

Germany

Bio

Most Played Openings

White Pieces

Trompowsky Attack (44 games)

Trompowsky Attack: Classical Defense (20 games)

Indian Game: Knights Variation, East Indian Defense (20 games)

Queen's Pawn Opening: Symmetrical Variation (12 games)

Queen's Pawn Opening: Accelerated London System (10 games)

Black Pieces

Pirc Defense (76 games)

Indian Game: Tartakower Defense (24 games)

Old Indian Defense (16 games)

Philidor Defense: Hanham, Lion Variation (13 games)

Queen's Pawn Opening: English Rat Defense (11 games)

Games

Players	Result	Moves	Year
Ruben Gideon Koellner (2506) Mees Van Batenburg (2225)	1-0	37	2026
Ruben Gideon Koellner (2506) Adam Collins (2339)	1-0	51	2026
Ruben Gideon Koellner (2506) Mukhammadali Abdurakhmonov (2362)	1-0	23	2026
Ruben Gideon Koellner (2514) Hans Moehn (2362)	0-1	51	2026
Ruben Gideon Koellner (2515) Dalibor Stojanovic (2406)	½-½	46	2026
Ruben Gideon Koellner (2514) Jan Krejci (2504)	½-½	55	2026
Ruben Gideon Koellner (2506) Niels Willems (2388)	½-½	40	2026
Alvar Alonso Rosell (2544) Ruben Gideon Koellner (2515)	1-0	34	2026
Poyraz Efe Asici (2110) Ruben Gideon Koellner (2506)	0-1	41	2026
Frank Zeller (2314) Ruben Gideon Koellner (2506)	0-1	47	2026