Derk Dekker

NED · 48 yrs · K=20 · Peak 1987 (May 2026)

Best performance: 2154 at Tata Steel Chess 2025 - Weekendvierkampen(Best of 2025)

World #=37618 live147#37,471 publishedNetherlands #=1567

OCT26 Rating

1947

Live Rating

1947.0

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 2026-2027 Klasse 4FSep 19 – Apr 17, 2027	0/1	—

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

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.

Dutch Team Competition 2026-2027 Klasse 4F—(1)
Sep 2026 – Apr 2027Teamfederation source
Score 0/1Opp avg 1872Start 1959
Open Internacional de Oviedo 20261879
Jul 2026Swissfederation source
#2 in 2026Score 4/9Opp avg 1922Start 1987
Dutch Team Competition 2025-2026 Klasse 4F2134
Sep 2025 – Apr 2026Teamfederation source
Best of 2026Score 5½/7Opp avg 1941Start 1943
Icelandic Team Chess Championship 2025-26 - 4th league Rounds 5-7—(1)
Nov 2025 – Mar 2026Teamfederation source
Score ½/1Opp avg 2282Start 1959
Icelandic Team Chess Championship 2025-26 - 2nd league Rounds 5-7—(2)
Nov 2025 – Mar 2026Teamfederation source
Score 2/2Opp avg 1757Start 1959
Chessfestival Groningen 2025 Vierkampen1954
Dec 2025Round robinfederation source
#2 in 2025Score 1½/3Opp avg 1954Start 1967
Dutch Team Competition 2024-2025 - Klasse 4 Round 9—(1)
May 2025Teamfederation source
Score 0/1Opp avg 2016Start 1951
Dutch Team Competition 2024-2025 - Klasse 4 Round 7—(1)
Mar 2025Teamfederation source
Score 1/1Opp avg 1956Start 1941
Tata Steel Chess 2025 - Weekendvierkampen2154
Jan 2025Round robinfederation source
Best of 2025Score 2½/3Opp avg 1881Start 1924
Dutch Team Competition 2023-2024 - Klasse 3 Round 9—(1)
Apr 2024Teamfederation source
Score 0/1Opp avg 2100Start 1929
Icelandic Team Championship 2023-24 - 2nd div. Round 5-71713
Oct 2023 – Mar 2024Teamfederation source
Best of 2024Score 2/3Opp avg 1588Start 1906
Dutch Team Competition 2023-2024 - Klasse 3 Round 6—(1)
Feb 2024Teamfederation source
Score 0/1Opp avg 1804Start 1902
Tata Steel Chess 204 - Weekend three-round event1707
Jan 2024Round robinfederation source
#2 in 2024Score ½/3Opp avg 1980Start 1917
Dutch Team Competition 2023-2024 - Klasse 3 Round 5—(1)
Dec 2023Teamfederation source
Score ½/1Opp avg 1892Start 1918
Dutch Team Competition 2023-2024 - Klasse 3 Round 3—(1)
Nov 2023Teamfederation source
Score 1/1Opp avg 1982Start 1906
Brugse Meesters 2023 Open - Belgian Championship 2023 Open A1960
Aug 2023Swissfederation source
Best of 2023Score 3/6Opp avg 1888Start 1905

Rated near Derk Dekker · Classical

World

#=37618Bert Westerkamp1947.0
#=37618Daan Van Dongen1947.0
#=37618Derk Dekker1947.0
#=37618Theo Kroon1947.0
#=37618Emeline Smit1947.0

Netherlands

#=1567Bert Westerkamp1947.0
#=1567Daan Van Dongen1947.0
#=1567Derk Dekker1947.0
#=1567Theo Kroon1947.0
#=1567Emeline Smit1947.0

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