Marc Jonker

NED · 52 yrs · K=20 · Peak 2344 (Oct 2001)

Best performance: 2352 at NRW Klasse Gruppe 2 2007/08(Best of 2007)

OCT26 Rating

2300

Live Rating

2300.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

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Official classical rating by month

List	Rating	Change
Oct 2026	2300	0
Sep 2026	2300	0
Aug 2026	2300	0
Jul 2026	2300	0
Jun 2026	2300	0
May 2026	2300	0
Apr 2026	2300	0
Mar 2026	2300	0
Feb 2026	2300	0
Jan 2026	2300	0
Dec 2025	2300	0
Nov 2025	2300	0

Working toward the International Master title1 tracked norm · 10/27 gamesrating 2344 of 2400composition metdetails ↓

Classical games since the October list

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

	Last played	Score	TPR
	NRW-Klasse 1 2012/13Sep 16, 2012 – Apr 28, 2013TPR 2278	4/7	2278

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 · 10 of 27 games credit

Rating: peak 2344, needs 2400

No outstanding composition requirement

Groningen Open GM TnmtDec 19986½/10

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

16 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.

NRW-Klasse 1 2012/132278
Sep 2012 – Apr 2013Teamfederation source
Best of 2013Score 4/7Opp avg 2221Start 2302
Ruhrgebiet Regionalliga—(1)
Sep 2011 – May 2012Teamfederation source
Score 1/1Opp avg 2000Start 2298
Dutch Team Competition - 3B - Round 7-9—(2)
Mar – Apr 2012Teamfederation source
Score 2/2Opp avg 2039Start 2294
Dutch Team Competition - 3B - Round 5-6—(1)
Jan – Feb 2012Teamfederation source
Score ½/1Opp avg 2065Start 2298
NRW - Klasse Gruppe 1—(1)
Sep 2010Teamfederation source
Score 1/1Opp avg 2172Start 2293
Meesterklasse Round 2-4 - Dutch Team Competition—(1)
Oct – Dec 2009Teamfederation source
Score 0/1Opp avg 2280Start 2309
NRW-Klasse Gruppe 22214
Sep 2009Teamfederation source
#2 in 2009Score 3/5Opp avg 2214Start 2309
NRW-Klasse Gruppe 22315
Sep 2008 – Apr 2009Teamfederation source
Best of 2009Score 5½/8Opp avg 2213Start 2305
1A - r 4-5 - Dutch Team Competition—(1)
Dec 2008 – Feb 2009Teamfederation source
Score 1/1Opp avg 2397Start 2305
1A - r 1-3 - Dutch Team Competition—(2)
Sep – Nov 2008Teamfederation source
Score ½/2Opp avg 2318Start 2305
Dutch Team Competition - 2A - round 7-9—(2)
Mar – Apr 2008Teamfederation source
Score 1½/2Opp avg 2177Start 2291
Dutch Team Competition - 2A - round 5-6—(1)
Dec 2007 – Feb 2008Teamfederation source
Score 1½/2Opp avg 2275Start 2279
Dutch Team Competition - 2A - round 1-42899
Sep – Nov 2007Teamfederation source
Score 3/3Opp avg 2099Start 2279
NRW Klasse Gruppe 2 2007/082352
Sep 2007Teamfederation source
Best of 2007Score 5/8Opp avg 2250Start 2279
Dutch Team Competition - Meester - round 6-9—(1)
Mar – May 2007Teamfederation source
Score 0/1Opp avg 2596Start 2277
Dutch Team Competition - 2A - round 6-9—(1)
Mar – May 2007Teamfederation source
Score 1/1Opp avg 2112Start 2277

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