Koellner, Ruben Gideon
IM
GermanyGER
ID: 12993093
Chess.com @the_machine04★

Ruben Gideon Koellner

FIDE ratings

2,535Classical
2,425Rapid
2,384Blitz

Performance

50 games
44% Win
8% Draw
48% Loss

Ruben Gideon Koellner's playing style

Overall score:48%22W 4D 24L over 50 games
Best with 1.d4 as White:56%in 27 games
Strongest in bullet:55%in 43 games
Steady recent form:55%11W 0D 9L in last 20 games

Openings as White

Among the openings shown, Indian Defense: Knights Variation has the largest White sample, with 5 games. Select a row to explore its moves and inspect example games below.

Indian Defense: Knights Variation
20%
20%
60%
5g
East Indian Defense
67%
33%
3g
Queen's Pawn Game: Colle System
50%
50%
2g
Queen's Pawn Game: Chigorin Variation
100%
2g
Indian Defense: Wade-Tartakower Defense
100%
1g

Repertoire

27 games as white in scope
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Move arrowsfrequency, not engine evaluation

Starting position

27 games in this line · White to move

Results for Koellner, Ruben Gideon as white · Wins / Draws / Losses

W / D / L
52%
7%
41%
Move
27 · 100%
52%
7%
41%

Game History

(50 games)
DateSourceColorOpponentResultLink
Oct 23, 2026
Chess.com@the_machine04
FMAmirkul, Alimzhan(2817)@D0Br0V01skiy
L
Oct 23, 2026
Chess.com@the_machine04
Sina_Barandesho(2861)
W
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2875)
L
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2867)
L
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2858)
W
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2866)
L
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2857)
W
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2865)
L
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2856)
L
Oct 18, 2026
Chess.com@the_machine04
LPhoangquan(2847)
L

Research Ruben Gideon Koellner’s games and opening repertoire

IM Ruben Gideon Koellner is rated 2535 in standard, 2425 in rapid, 2384 in blitz by FIDE. Ruben Gideon Koellner plays for Germany.

Ruben Gideon Koellner has FIDE ID 12993093. Confirm the player’s identity and linked accounts before using their games for preparation.

Check the official FIDE record for ratings and identity. It is not a complete archive of game moves.

Use the openings as White and Black to identify recurring choices in the available games. Follow a branch into the repertoire explorer and inspect example games in the game history. Dates, time controls and sources affect which patterns are relevant to your next match.

Platform accounts supplied with this profile: Chess.com: the_machine04. Inspect the account links and identity evidence above before combining their games.

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