Format
WK
Wielfaert, Koen
🇧🇪FIDE 224111· Male· Belgium· Born in 1981
Follow Koen WielfaertTrack his monthly FIDE ratings, games, tournaments and more.
Koen Wielfaert, a 45-year-old Belgian player, is rated 1738. He plays occasionally (6 games in the last 12 months). Recent standard appearances include Belgian Interclubs Round 2025-2026 Ronde 11, Belgian Interclubs Round 2025-2026 Ronde 10, and Belgian Interclubs Round 2025-2026 Ronde 5. His peak of 1771 was reached at age 44 (Mar 2025).
Current rating
1738
Standard
Rpd—·Blz—
All-time high
1771
−33 pts below
Mar 2025 · age 44
Mar 2025 · age 44
Activity
7
games / yr avg. · ≈1/mo
6 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#96,714
#96,714 · players worldwide · of 218,279
Career timeline
12 entries2025
All-time peak 1771
at age 44 · −33 from today
Mar 2025
2024
Best 12-month gain (+193 Elo)
1557 → 1750
Mar 2024
2023
Re-crossed 1600
at age 42
Dec 2023
2022
96th Belgian 40-45 player
at age 41 · rated 1580
Apr 2022
2019
Re-crossed 1500
at age 38
Nov 2019
K-factor lowered to 20
at age 38
Mar 2019
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Evolution
-18
1756 → 1738
Tournaments
6
7 games
Score
2/ 728.6%
1W4D2L
Top 2 wins
Top 2 losses
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 0/1 | #1377 | 974 | -9.2 |
Team | Mar 2026 | 0.5/1 | #676 | 1730 | -0.6 |
Team | Dec 2025 | 0.5/1 | #890 | 1755 | 0.0 |
Team | Nov 2025 | 0/1 | #1082 | 1066 | -7.0 |
Team | Oct 2025 | 0.5/1 | #672 | 1771 | +0.4 |
Team | Sep 2025 | 0.5/1 | #644 | 1714 | -1.2 |
Rankings
/
Belgium
#1,543
out of 3,338 players
Europe
#68,828
in continent
World
#96,712
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
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Europe
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World
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| ... | ||
| 96712 | 1,738 | |