Chesscope

International Master

Koellner, Ruben Gideon

FIDE ID 12993093

291
Games
114
Wins
105
Draws
63
Losses
57%
Score
Peak rating2524
Latest rating2506
First seenMay 4, 2021
Last seenApr 26, 2026

Recent games

DateWhiteResultBlack
Apr 26, 2026Schaefer0–1Koellner
Apr 25, 2026Koellner½–½Levin
Apr 24, 2026Koellner1–0Kjartansson
Apr 6, 2026Koellner1–0Abdurakhmonov
Apr 6, 2026Karthik Venkataraman½–½Koellner
Apr 5, 2026Kalogridis0–1Koellner
Apr 5, 2026Koellner½–½Willems
Apr 4, 2026Koellner1–0Collins
Apr 3, 2026Zeller0–1Koellner
Apr 3, 2026Koellner1–0Van Batenburg
Apr 2, 2026Asici0–1Koellner
Mar 31, 2026Koellner1–0Chassard
Mar 30, 2026Heinichen R.0–1Koellner
Mar 27, 2026Koellner½–½Poetsch
Mar 27, 2026Koellner½–½Raja Harshit
Mar 27, 2026Gerlach0–1Koellner
Mar 27, 2026Koellner½–½Dathe
Mar 27, 2026Reimer0–1Koellner
Mar 27, 2026Koellner1–0Weigand
Mar 22, 2026Schmidek½–½Koellner
Mar 21, 2026Koellner0–1Moehn
Mar 2, 2026Hong½–½Koellner
Mar 1, 2026Bacrot½–½Koellner
Feb 28, 2026Koellner½–½Krejci
Jan 11, 2026Alonso Rosell1–0Koellner
Jan 10, 2026Koellner½–½Stojanovic
Dec 31, 2025Koellner*Nikolz Petriashvili
Dec 30, 2025Zuferi*Koellner
Dec 30, 2025Koellner1–0Darshan G
Dec 28, 2025Hemanth Raam0–1Koellner
Dec 28, 2025Koellner1–0Wunderlich
Dec 27, 2025Walter0–1Koellner
Dec 27, 2025Koellner1–0Zysk
Dec 26, 2025Petro Loginov½–½Koellner
Dec 25, 2025Stoettner1–0Koellner
Nov 16, 2025Petersen0–1Koellner
Nov 16, 2025Koellner0–1Kueppers
Nov 15, 2025Held1–0Koellner
Nov 15, 2025Koellner0–1Ermitsch
Nov 15, 2025Vogel1–0Koellner
Nov 15, 2025Koellner1–0Eilenberg
Nov 15, 2025Degenhard0–1Koellner
Nov 15, 2025Koellner½–½Wagner
Nov 15, 2025Koellner1–0Damrich
Nov 15, 2025Koellner1–0Damrich
Nov 15, 2025Koellner½–½Wagner
Nov 15, 2025Held1–0Koellner
Jun 1, 2025Halvax½–½Koellner
Jun 1, 2025Koellner0–1Erdos
Jun 1, 2025Injac0–1Koellner
Jun 1, 2025Koellner0–1Santos Latasa
May 31, 2025Meier1–0Koellner
May 31, 2025Koellner½–½Kozul
May 31, 2025Koellner0–1Petrov
May 31, 2025Short0–1Koellner
May 30, 2025Teclaf1–0Koellner
May 30, 2025Sarana1–0Koellner
May 30, 2025Koellner1–0Rodshtein
May 30, 2025Koellner½–½Shimanov
May 30, 2025Hansen0–1Koellner
May 29, 2025Meier1–0Koellner
May 29, 2025Koellner½–½Kozul
May 29, 2025Koellner0–1Petrov
May 29, 2025Short0–1Koellner
Apr 27, 2025Kovacevic½–½Koellner
Apr 26, 2025Koellner1–0Gungl
Apr 25, 2025Kocharin½–½Koellner
Apr 6, 2025Koellner½–½Dotzer
Apr 5, 2025Balint0–1Koellner
Apr 4, 2025Koellner½–½Bacrot
Nov 24, 2024Koellner½–½Haack
Nov 24, 2024Chassard0–1Koellner
Nov 23, 2024Koellner½–½Nothnagel
Nov 23, 2024Rempe0–1Koellner
Nov 22, 2024Koellner½–½Kersten
Nov 22, 2024Stuemer0–1Koellner
Nov 21, 2024Koellner1–0Musiienko
Oct 13, 2024Koellner½–½Erdos
Oct 6, 2024Koellner1–0Rafiee
Oct 5, 2024Wisnet0–1Koellner
Jun 2, 2024Boder½–½Koellner
Jun 1, 2024Koellner1–0Muranyi
Jun 1, 2024Barzen0–1Koellner
May 31, 2024Koellner1–0Sydykov
May 31, 2024Grzeca0–1Koellner
May 30, 2024Koellner1–0Maerz
May 30, 2024Hesch0–1Koellner
Apr 28, 2024Colbow½–½Koellner
Apr 27, 2024Koellner0–1Kovacevic
Apr 1, 2024Koellner½–½Janeczko
Apr 1, 2024Knuedel0–1Koellner
Mar 31, 2024Koellner½–½Tokhirjonova
Mar 31, 2024Dobrikov0–1Koellner
Mar 30, 2024Koellner1–0Hecht
Mar 30, 2024Frank½–½Koellner
Mar 29, 2024Kuberczyk½–½Koellner
Mar 28, 2024Mende0–1Koellner
Mar 17, 2024Koellner0–1Wong
Mar 16, 2024Sreyas Payyappat½–½Koellner
Mar 3, 2024Braun½–½Koellner