Thiemen Dekker

NED · 18 yrs · K=40 · Peak 1923 (May 2025)

Best performance: 1729 at Dutch Championship 2021 U14(Best of 2021)

OCT26 Rating

1923

Live Rating

1923.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

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 2024-2025 - Klasse 2 Round 8Apr 5, 2025	½/1	—

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

Event timeline · Classical

39 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 2024-2025 - Klasse 2 Round 8—(1)
Apr 2025Teamfederation source
Score ½/1Opp avg 2089Start 1914
Dutch Team Competition 2024-2025 - Klasse 2 Round 6—(1)
Feb 2025Teamfederation source
Score 1/1Opp avg 2032Start 1886
Dutch Team Competition 2024-2025 - Klasse 2 Round 4—(1)
Nov 2024Teamfederation source
Score 0/1Opp avg 2075Start 1897
Dutch Team Competition 2024-2025 - Klasse 2 Round 2—(1)
Oct 2024Teamfederation source
Score ½/1Opp avg 2027Start 1889
Dutch Team Competition 2024-2025 - Klasse 2 Round 1—(1)
Sep 2024Teamfederation source
Score 0/1Opp avg 2065Start 1900
Dutch Team Competition 2023-2024 - Klasse 2 Round 9—(1)
Apr 2024Teamfederation source
Score 1/1Opp avg 1861Start 1881
Dutch Team Competition 2023-2024 - Klasse 3 Round 6—(1)
Feb 2024Teamfederation source
Score ½/1Opp avg 2052Start 1789
Dutch Team Competition 2023-2024 - Klasse 2 Round 5—(1)
Dec 2023Teamfederation source
Score ½/1Opp avg 2123Start 1773
Dutch Team Competition 2023-2024 - Klasse 2 Round 4—(1)
Nov 2023Teamfederation source
Score ½/1Opp avg 1935Start 1764
Dutch Team Competition 2023-2024 - Klasse 2 Round 2—(1)
Oct 2023Teamfederation source
Score 1/1Opp avg 2097Start 1728
Dutch Team Competition 2023-2024 - Klasse 3 Round 1—(1)
Sep 2023Teamfederation source
Score ½/1Opp avg 1997Start 1714
Dutch Team Competition 2022-2023 - Klasse 3 Round 9—(1)
Apr 2023Teamfederation source
Score 0/1Opp avg 1815Start 1706
Dutch Team Competition 2022-2023 - Klasse 3 Round 8—(1)
Apr 2023Teamfederation source
Score 1/1Opp avg 1750Start 1706
Dutch Team Competition 2022-2023 - Klasse 3 Round 7—(1)
Mar 2023Teamfederation source
Score 1/1Opp avg 1864Start 1676
Chessfestival Groningen 2022 Vierkampen1550
Dec 2022Swissfederation source
#2 in 2022Score ½/3Opp avg 1823Start 1695
Dutch Team Competition 2022-2023 - Klasse 2 Round 4—(1)
Nov 2022Teamfederation source
Score ½/1Opp avg 1783Start 1703
Dutch Team Competition 2022-2023 - Klasse 3 Round 3—(1)
Nov 2022Teamfederation source
Score 0/1Opp avg 1835Start 1703
Dutch Team Competition 2022-2023 - Klasse 3 Round 2—(1)
Oct 2022Teamfederation source
Score 0/1Opp avg 1826Start 1717
Dutch Team Competition 2022-2023 - Klasse 3 Round 1—(1)
Sep 2022Teamfederation source
Score 0/1Opp avg 2023Start 1723
Dutch Championship 2022 - U141609
May 2022Swissfederation source
Best of 2022Score 4½/9Opp avg 1696Start 1753
Dutch Team Competition 2021-2022 - Klasse 3 Round 9—(1)
Apr 2022Teamfederation source
Score 0/1Opp avg 1935Start 1760
Dutch Team Competition 2021-2022 - Klasse 3 Round 8—(1)
Apr 2022Teamfederation source
Score ½/1Opp avg 1826Start 1760
Dutch Team Competition 2021-2022 - Klasse 3 Round 7—(1)
Mar 2022Teamfederation source
Score 0/1Opp avg 1994Start 1769
Dutch Team Competition 2021-2022 - Klasse 3 Round 6—(1)
Feb 2022Teamfederation source
Score 1/1Opp avg 2019Start 1735
Dutch Team Competition 2021-2022 - Klasse 3 Round 2—(1)
Oct 2021Teamfederation source
Score ½/1Opp avg 1949Start 1724

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