Format
DG
Decoster, Gustave
🇫🇷FIDE 652043614· Male· France· Born in 2015
Follow Gustave DecosterTrack his monthly FIDE ratings, games, tournaments and more.
Gustave Decoster, a 11-year-old French player. He has slipped back 90 Elo over the past 12 months. 18 rated games in the past year (≈11/year long-term). Recent standard appearances include Championnat de France des Jeunes 2026 - Open A, Championnat de Normandie 2026-U12 mixte, and Championnat du Calvados 2025-U12. Also played 3 rapid (including Team 2026 - Rapide Avril) and 1 blitz events (including Festival Agneaux 2025 - Blitz Individuel Qualifications) recently. His peak of 1535 was reached at age 10 (Jan 2025).
At junior level, he reached #81 nationally in U10.
Current rating
—
unranked
Rpd1525·Blz1461
All-time high
1535
−1535 pts below
Jan 2025 · age 10
Jan 2025 · age 10
Activity
11
games / yr avg. · ≈1/mo
18 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
—
Career timeline
6 entries2025
81st French U10 player
at age 10 · rated 1535
Jan 2025
All-time peak 1535
at age 10 · −104 from today
Jan 2025
2024
Crossed 1500
at age 9
Aug 2024
Crossed 1400
at age 9
Aug 2024
Crossed 1200
at age 9
Aug 2024
First FIDE rating
1518 · at age 9
Aug 2024
Standard rating history
Last 12 months — activity & highlights
Evolution
—
Tournaments
5
33 games
Score
18.5/ 3356.1%
17W3D13L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 3.5/6 | #225 | 1650 | -49.6 |
Open Swiss | Feb 2026 | 4.5/3 | #40 | 2444 | -6.8 |
Open Swiss | Nov 2025 | 3/2 | #9 | 2365 | -32.4 |
Team | Nov 2025 | 2/2 | #1506 | 2333 | +8.0 |
Open Swiss | Jul 2025 | 5.5/5 | #51 | 2415 | -20.0 |
Rankings
/
France
—
out of 24,420 players
Europe
—
in continent
World
—
out of 400,000+
National ranking
Europe & World
Europe
World
France
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| 2 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 3 | 🇫🇷Follow Etienne BacrotTrack their monthly FIDE ratings, games, tournaments and more. | 2,626 |
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| 6 | 🇫🇷Follow MarcAndria MaurizziTrack their monthly FIDE ratings, games, tournaments and more. | 2,610 |
| 8 | 🇫🇷Follow Gata KamskyTrack their monthly FIDE ratings, games, tournaments and more. | 2,596 |
| 9 | 🇫🇷Follow Christian BauerTrack their monthly FIDE ratings, games, tournaments and more. | 2,557 |
| 10 | 🇫🇷Follow Matthieu CornetteTrack their monthly FIDE ratings, games, tournaments and more. | 2,556 |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 3 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
| 7 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 8 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,708 |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 10 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |