Aldert-Jan Grashuis

NED · 59 yrs · K=20 · Peak 1958 (Jan 2014)

Best performance: 2061 at Schaakfestival Groningen 2011 Open B(Best of 2011)

World #=50715 live769#49,946 publishedNetherlands #=2130Europe #=37168among active players

Classical rating

1894

FIDE’s November 2026 list. No rated games since, so the live rating is the same.

On FIDE’s list since Mar 2010

How live ratings are calculated

Rating History · Classical

Loading chart…

Classical rating 1875 to 1894 over the last 12 months; peak 1958 in January 2014.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

List	Classical
Nov 2026	1894, 0, 0 games
Oct 2026	1894, 0, 0 games
Sep 2026	1894, 0, 0 games
Aug 2026	1894, 0, 0 games
Jul 2026	1894, 0, 0 games
Jun 2026	1894, 0, 0 games
May 2026	1894, 0, 0 games
Apr 2026	1894, 0, 0 games
Mar 2026	1894, 0, 0 games
Feb 2026	1894, +19, 5 games
Jan 2026	1875, 0, 0 games
Dec 2025	1875, 0, 0 games

Form · Classical

oldest → latest

Unbeaten in every game on record since Dec 26, 2025 (5: 3 wins, 2 draws). Games before 2024 are not all on record yet.

From 206 classical games on record, the latest on Dec 30, 2025.

Classical games since the November list

No rated classical games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	Chessfestival Groningen 2025 Compact BDec 26, 2025 – Dec 30, 2025TPR 2033	4/5	2033

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

Best wins · Classical

From 173 rated classical games against rated opponents, 2007–2025

#	Opponent	Rating
1,	Oliver Spacek, Jul 2015 · CZECH OPEN 2015 - B - open rating tournament	, 2162
2,	Aleksey Avetisyan, Jul 2012 · Czech Open 2012 - C - open rating tournament	, 2054
3,	Martin Van Velzen, Aug 2010 · Atlantistoernooi 2010 Tienkamp C	, 2018
4,	Jan Lootsma, Apr 2023 · Dutch Team Competition 2022-2023 - Klasse 3 Round 8	, 1979
5,	Dolf Wissmann, Dec 2009 · Schaakfestival Groningen 2009 Open B	, 1975
6,	FM Ivo Maris, Jul 2009 · Atlantistoernooi 2009 Tienkamp C	, 1967
7,	Peter Hess, Dec 2011 · Schaakfestival Groningen 2011 Open B	, 1948
8,	Erik Romkes, Dec 2013 · Schaakfestival Groningen 2013 Compact B	, 1935
9,	Gerard De Wit, 2 wins, Aug 2010 · Atlantistoernooi 2010 Tienkamp C	, 1929
10,	Marcel Pouw, Aug 2010 · Atlantistoernooi 2010 Tienkamp C	, 1903

#	Opponent	Overall	Rating
1,	GM Erwin L'Ami, Highest-rated meeting: Jul 2011 · 15e Hogeschool Zeeland Toernooi	, 0/1	, 2611
2,	IM Migchiel De Jong, Highest-rated meeting: Aug 2011 · 15e Hogeschool Zeeland Toernooi	, 0/1	, 2376
3,	GM Zhaoqin Peng, Highest-rated meeting: Nov 2010 · Dutch Team Competition - 2A - round 3-4	, 0/1	, 2368
4,	FM Vrezh Ordyan, Highest-rated meeting: Jul 2014 · CZECH OPEN 2014 - B - open rating tournament	, ½/1	, 2363
5,	FM Leonid Nikolaev, Highest-rated meeting: Jul 2015 · CZECH OPEN 2015 - B - open rating tournament	, ½/1	, 2311
6,	FM Rene Tiggelman, Highest-rated meeting: Aug 2011 · 15e Hogeschool Zeeland Toernooi	, ½/1	, 2233
7,	FM Rob Witt, Highest-rated meeting: May 2010 · 27e Hofstede Oud-Bussem - BSG Pinkstertoernooi	, 0/1	, 2221
8,	Jakub Vaculik, Highest-rated meeting: Jul 2016 · CZECH OPEN 2016 - B - open rating tournament	, 0/1	, 2210
9,	FM Zvonimir Balenovic, Highest-rated meeting: Jul 2017 · CZECH OPEN 2017 - B - open rating tournament	, ½/1	, 2200
10,	Jiri Jezbera, Highest-rated meeting: Jul 2012 · Czech Open 2012 - C - open rating tournament	, 0/1	, 2197

Event timeline · Classical

38 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.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2025	5	4	1793	2033
2022	20	10	1734	1734
2021	9	5½	1728	1808
2019	14	6½	1919	1890
2017	14	7½	1932	1961
2016	9	4	1879	1836
2015	9	4	1965	1922
2014	9	4	1951	1908
2013	2	2	1870	—
2011	14	6	2012	1962
2009	12	6½	1941	1970
2007	2	0	1953	—

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Chessfestival Groningen 2025 Compact B, 2033
Dec 2025Swissfederation source
Best of 2025Score 4/5Opp avg 1793Start 1875
Chessfestival Groningen 2023 Compact BCD, 1704
Dec 2023Swissfederation source
Best of 2023Score 2½/5Opp avg 1704Start 1806
CZECH OPEN 2023 - B, 1662
Jul 2023Swissfederation source
#2 in 2023Score 4½/9Opp avg 1662Start 1849
Dutch Team Competition 2022-2023 - Klasse 3 Round 9, 1 rated game
Apr 2023Teamfederation source
Score ½/1Opp avg 1964Start 1831
Dutch Team Competition 2022-2023 - Klasse 3 Round 8, 1 rated game
Apr 2023Teamfederation source
Score 1/1Opp avg 1979Start 1831
Dutch Team Competition 2022-2023 - Klasse 3 Round 6, 1 rated game
Feb 2023Teamfederation source
Score 1/1Opp avg 1819Start 1821
Chessfestival Groningen 2022 Open B, 1738
Dec 2022Swissfederation source
Best of 2022Score 4/8Opp avg 1738Start 1833
Dutch Team Competition 2022-2023 - Klasse 3 Round 5, 1 rated game
Dec 2022Teamfederation source
Score ½/1Opp avg 2144Start 1833
Dutch Team Competition 2022-2023 - Klasse 3 Round 4, No rated games
Nov 2022Teamfederation source
Score 1/1Start 1833
Dutch Team Competition 2022-2023 - Klasse 3 Round 3, No rated games
Nov 2022Teamfederation source
Score 0/1Start 1833
Dutch Team Competition 2022-2023 - Klasse 3 Round 2, 1 rated game
Oct 2022Teamfederation source
Score ½/1Opp avg 1785Start 1834
Dutch Team Competition 2022-2023 - Klasse 3 Round 1, 1 rated game
Sep 2022Teamfederation source
Score ½/1Opp avg 1918Start 1832
CZECH OPEN 2022 - B - open rating tournament, 1659
Jul 2022Swissfederation source
#2 in 2022Score 4½/9Opp avg 1659Start 1882
CZECH OPEN 2021 - B - open rating tournament, 1808
Jul 2021Swissfederation source
Best of 2021Score 5½/9Opp avg 1728Start 1903
Chessfestival Groningen 2019 - Compact A, 2057
Dec 2019Swissfederation source
Best of 2019Score 2½/5Opp avg 2057Start 1880
CZECH OPEN 2019 - B - open rating tournament, 1800
Jul 2019Swissfederation source
#2 in 2019Score 4/9Opp avg 1843Start 1905
CZECH OPEN 2018 - B - open rating tournament, 1829
Jul 2018Swissfederation source
Best of 2018Score 4½/9Opp avg 1829Start 1927
Chess Festival Groningen 2017 - Compact B, 1921
Dec 2017Swissfederation source
#2 in 2017Score 3/5Opp avg 1849Start 1928
CZECH OPEN 2017 - B - open rating tournament, 1978
Jul 2017Swissfederation source
Best of 2017Score 4½/9Opp avg 1978Start 1913
CZECH OPEN 2016 - B - open rating tournament, 1836
Jul 2016Swissfederation source
Best of 2016Score 4/9Opp avg 1879Start 1938
CZECH OPEN 2015 - B - open rating tournament, 1922
Jul – Aug 2015Swissfederation source
Best of 2015Score 4/9Opp avg 1965Start 1945
CZECH OPEN 2014 - B - open rating tournament, 1908
Jul 2014Swissfederation source
Best of 2014Score 4/9Opp avg 1951Start 1958
Schaakfestival Groningen 2013 Compact B, 2 rated games
Dec 2013Swissfederation source
Score 2½/5Opp avg 1870Start 1946
Czech Open 2012 - C - open rating tournament, 2000
Jul 2012Swissfederation source
Best of 2012Score 5½/9Opp avg 1957Start 1936
Schaakfestival Groningen 2011 Open B, 2061
Dec 2011Swissfederation source
Best of 2011Score 5/8Opp avg 1903Start 1916

Rated near Aldert-Jan Grashuis · Classical

World

#=50715Fred Reulink1894.0
#=50715Rob Kalkman1894.0
#=50715Aldert-Jan Grashuis1894.0
#=50715Ruud Van der Spoel1894.0
#=50715Maarten Toll1894.0

Netherlands

#=2130Fred Reulink1894.0
#=2130Rob Kalkman1894.0
#=2130Aldert-Jan Grashuis1894.0
#=2130Ruud Van der Spoel1894.0
#=2130Maarten Toll1894.0

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.