Format
DD
Dekker, Derk
🇳🇱FIDE 1039679· Male· Netherlands· Born in 1978
Follow Derk DekkerTrack his monthly FIDE ratings, games, tournaments and more.
Derk Dekker, a 48-year-old Dutch player, is rated 1987 — his current career high. He is on a steady climb with +44 Elo over the past 12 months. 13 rated games in the past year (≈9/year long-term). Recent standard appearances include Dutch Team Competition - klasse 4 Round 9, Icelandic Team Chess Championship 2025-26 - 4th league Rounds 5-7, and Icelandic Team Chess Championship 2025-26 - 2nd league Rounds 5-7.
Current rating
1987
Standard
Rpd1918·Blz—
All-time high
1987
at best
May 2026 · age 48
May 2026 · age 48
Activity
11
games / yr avg. · ≈1/mo
12 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#29,636
#29,636 · players worldwide · of 218,279
Career timeline
8 entries2026
98th Dutch 45-50 player
at age 48 · rated 1987
Jun 2026
All-time peak 1987
at age 48
May 2026
2020
Inactive for 17 months
paused at 1907 → returned at 1906
Apr 2020
2019
Best 12-month gain (+65 Elo)
1855 → 1920
Oct 2019
K-factor lowered to 20
at age 41
Feb 2019
2015
Crossed 1800
at age 37
Dec 2015
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
+44
1943 → 1987
Tournaments
9
13 games
Score
8.5/ 1365.4%
8W3D2L
Top 3 wins
Top 2 losses
Last 12 months — tournaments
9 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 1/1 | #146 | 2794 | +10.6 |
Team | Mar 2026 | 0.5/1 | #78 | 2282 | +7.8 |
Team | Mar 2026 | 2/2 | #13 | 2557 | +9.4 |
Team | Feb 2026 | 0/1 | #658 | 1288 | -6.6 |
Round-Robin | Dec 2025 | 1.5/3 | #30 | 1954 | -1.2 |
Team | Nov 2025 | 1/1 | #133 | 2693 | +8.2 |
Team | Nov 2025 | 0.5/1 | #264 | 1935 | -0.6 |
Team | Oct 2025 | 1/1 | #166 | 2743 | +9.8 |
Team | Sep 2025 | 1/1 | #135 | 2583 | +5.8 |
Hot streak: 3 tournaments without losing Elo.
Rankings
/
Netherlands
#1,190
out of 4,909 players
Europe
#21,888
in continent
World
#29,635
out of 400,000+
National ranking
Europe & World
Europe
World
Netherlands
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