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Ruben Gideon Koellner

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GER · 22 yrs · K=10 · Peak 2535 (Oct 2026)

Best performance: 2653 at 37. Sonnenterrassen Open 2024 Group A(Best of 2024)

World #=371 live#371 publishedGermany #20

OCT26 Rating

2535

Live Rating

2535.0

Change

0.0

Games Played

0

Rating History · Classical

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Working toward the Grandmaster title1 tracked norm · 9/27 gamesrating metcomposition unverifieddetails ↓

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

Last playedScore
Oberliga NRW 2026/27Sep 12 – Sep 131½/2

The live rating moves only when new rated games are played. Until then it matches the published rating.

Title Progress

GM title progress

Working toward the Grandmaster title

Tracked norms: 1 · 9 of 27 games credit

Rating requirement met (peak 2535, OCT26 list)

Composition: unverified for the tracked norms. The next norm should come from a qualifying open.

1st International Munich Whitsun-Open AJun 20237/9

Based on events we cover plus the FIDE norm registers of all federations. Norms filed elsewhere may not show up here yet.

Event timeline · Classical

8 of 54 events · All years

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Rated near Ruben Gideon Koellner · Classical

World

  1. #=364GMZhongyi Tan2536.0
  2. #=371GMTomas Laurusas2535.0
  3. #=371IMRuben Gideon Koellner2535.0
  4. #=371GMRuifeng Li2535.0
  5. #=371GMKonstantin Sakaev2535.0

Germany

  1. #18GMArtur Jussupow2537.0
  2. #19GMJonas Lampert2536.0
  3. #20IMRuben Gideon Koellner2535.0
  4. #21GMEgor Krivoborodov2532.8
  5. #22GMRustem Dautov2525.0

Live ratings projected from the OCT26 published list · Not affiliated with FIDE