Ruben Gideon Koellner

GER · 22 yrs · K=10 · Peak 2438 (Jul 2025)

World #=845 live6#839 publishedGermany #=26

OCT26 Rating

2425

Live Rating

2425.0

Change

0.0

Games Played

Rating History · Rapid

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Rapid games since the October list

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

	Last played	Score	TPR
	3. Berlin U25 Open RapidNov 15, 2025 – Nov 16, 2025TPR 2284	6½/10	2284

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

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.

6 events

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.

3. Berlin U25 Open Rapid2284
Nov 2025Swissfederation source
#3 in 2025Score 6½/10Opp avg 2174Start 2438
Grand Prix PlusCity - Open Austrian Team Rapid Championship 20252368
Jun 2025Teamfederation source
#2 in 2025Score 4½/9Opp avg 2368Start 2431
Grand Prix PlusCity - Rapid Tournament 20252498
May 2025Swissfederation source
Best of 2025Score 6½/9Opp avg 2332Start 2431
Jubilaeums-Rapid 100 Jahre SK Kriegshaber2462
Sep 2024Swissfederation source
Best of 2024Score 8/11Opp avg 2287Start 2420
Timisoara Grand Prix Rapid 20242317
Aug 2024Swissfederation source
#2 in 2024Score 6/10Opp avg 2245Start 2426
FIDE World Rapid Team Championship 20232409
Aug 2023Teamfederation source
Best of 2023Score 5½/12Opp avg 2438Start 2428

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