Format
Decoster, Frederic
FM🇧🇪FIDE 204269· Male· Belgium· Born in 1980
Follow Frederic DecosterTrack his monthly FIDE ratings, games, tournaments and more.
Frederic Decoster, a 46-year-old Belgian FIDE Master, is rated 2231 and sitting in the top 2% of Belgian players, and in the top 3% worldwide. He has slipped back 59 Elo over the past 12 months. 17 rated games in the past year (≈18/year long-term). Recent standard appearances include 417-AALST-Ajuinentoernooi-2026 Ronde 1, Belgian Interclubs Round 2025-2026 Ronde 10, and Belgian Interclubs Round 2025-2026 Ronde 9. Also played 1 rapid event (including 18th Memorial Jose & Hilda Tonoli 2025 - Belgian Rapid Championship 2025) recently. His peak of 2338 was reached at age 35 (Jun 2015, Belgian #28 at the time).
Awarded FM in 2011 (age 31). Earned IM norms at Nationale Interclubs 2010-2011, Belgian Interclubs 2014-2015 Rounds 9-10-11 Division 1, and 39th European Club Cup 2024.
Current rating
2231
Standard
Rpd2272·Blz2183
All-time high
2338
−107 pts below
Jun 2015 · age 35
Jun 2015 · age 35
Activity
19
games / yr avg. · ≈2/mo
17 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
Top 2%
#74 · Belgian players · of 2,958
Career timeline
19 entries2026
6th Belgian 45-50 player
at age 46 · rated 2249
Jan 2026
2025
3rd Belgian 40-45 player
at age 45 · rated 2304
Jan 2025
2024
Re-crossed 2300
at age 44
Nov 2024
2022
Re-crossed 2300
at age 42
Jul 2022
Re-crossed 2300
at age 42
Mar 2022
2020
Inactive for 17 months
paused at 2297 → returned at 2291
Apr 2020
Standard rating history
Activity & highlights
Evolution
-59
2290 → 2231
Tournaments
11
18 games
Score
6/ 1833.3%
6W2D10L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 1/1 | #3 | 2478 | +1.6 |
Team | Mar 2026 | 1/1 | #494 | 3112 | +12.2 |
Team | Mar 2026 | 0/1 | #1180 | 1540 | -7.2 |
Team | Mar 2026 | 0/1 | #1174 | 1411 | -10.6 |
Team | Feb 2026 | 0/1 | #1533 | 1602 | -5.8 |
Team | Jan 2026 | 0/1 | #1386 | 1520 | -8.0 |
Team | Nov 2025 | 0.5/1 | #750 | 2149 | -3.0 |
Team | Nov 2025 | 0/1 | #1511 | 1602 | -6.2 |
Team | Oct 2025 | 3.5/7 | #245 | 2078 | -22.8 |
Team | Oct 2025 | 0/1 | #1365 | 1609 | -6.8 |
Rankings
/
Belgium
#74
out of 3,309 players
Europe
#4,581
in continent
World
#6,650
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
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