Ramon Koster

NED · 43 yrs · K=20 · Peak 2339 (Feb 2025)

Best performance: 2405 at UniClass Amsterdam Science Park Chess Tournament 2025 - A(Best of 2025)

World #=4384 live8#4,376 publishedNetherlands #=135

OCT26 Rating

2292

Live Rating

2292.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Working toward the International Master title1 tracked norm · 9/27 gamesrating 2339 of 2400, live 2292composition metdetails ↓

In Progress

vsFMCarlo Pauly2340

PairedR2Dutch Team Competition 2026-2027 Meesterklassestandard

Classical games since the October list

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

	Last played	Score	TPR
	Dutch Team Competition 2026-2027 MeesterklasseSep 19 – Apr 17, 2027	0/1	—

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

Title Progress

IM title progress

Working toward the International Master title

Tracked norms: 1 · 9 of 27 games credit

Rating: peak 2339, needs 2400

No outstanding composition requirement

Amsterdam Tmnt 2004Jul 20045½/9

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

15 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.

Dutch Team Competition 2026-2027 Meesterklasse—(1)
Sep 2026 – Apr 2027Teamfederation source
Score 0/1Opp avg 2291Start 2302
Maia Chess Open 2026 - Masters2290
Aug 2026Swisschess-results.com
#2 in 2026Score 5½/9Opp avg 2210Start 2304
Dutch Team Competition 2025-2026 Klasse 1A2243
Sep 2025 – Apr 2026Teamfederation source
#3 in 2026Score 5/9Opp avg 2200Start 2335
Djerba International Chess Festival 2026 Open A2349
Feb 2026Swisschess-results.com
Best of 2026Score 6/9Opp avg 2224Start 2296
Chessfestival Groningen 2025 Open A2334
Dec 2025Swissfederation source
#3 in 2025Score 5½/9Opp avg 2254Start 2307
2025 XTX Markets London Chess Classic Open2235
Nov – Dec 2025Swissfederation source
#6 in 2025Score 4½/9Opp avg 2235Start 2302
Maia Chess Open 2025 - Maia Masters2239
Aug 2025Swissfederation source
#5 in 2025Score 5/9Opp avg 2196Start 2335
UniClass Amsterdam Science Park Chess Tournament 2025 - A2405
Jul 2025Swissfederation source
Best of 2025Score 6½/9Opp avg 2239Start 2311
HSG Open 2025 - Group A2256
Jun 2025Swissfederation source
#4 in 2025Score 3½/5Opp avg 2107Start 2317
KNSB 1e klasse A 2024-20252359
Sep 2024 – May 2025Teamchess-results.com
#2 in 2025Score 6/9Opp avg 2234Start 2322
Tata Steel Chess 2025 - Tienkampen—(2)
Jan – Feb 2025Round robinfederation source
Score 0/2Opp avg 2332Start 2333
Chessfestival Groningen 2024 Open A2355
Dec 2024Swissfederation source
Best of 2024Score 5½/9Opp avg 2275Start 2330
Dutch Team Competition 2023-2024 - Klasse 1 Round 9—(1)
Apr 2024Teamfederation source
Score ½/1Opp avg 2425Start 2319
Dutch Team Competition 2023-2024 - Klasse 1 Round 8—(1)
Mar 2024Teamfederation source
Score 1/1Opp avg 2219Start 2315
Dutch Team Competition 2023-2024 - Klasse 1 Round 7—(1)
Mar 2024Teamfederation source
Score ½/1Opp avg 2202Start 2315

Rated near Ramon Koster · Classical

World

#=4384IMStefan Van Blitterswijk2292.0
#=4384FMMartin Roobol2292.0
#=4384FMRamon Koster2292.0
#=4384GMZigurds Lanka2292.0
#=4384FMJan Kokoszczynski2292.0

Netherlands

#=135IMStefan Van Blitterswijk2292.0
#=135FMMartin Roobol2292.0
#=135FMRamon Koster2292.0
#138FMSascha Kurt2291.6
#139IMBarry Brink2290.0

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