Format
VO
Vieren, Oscar
🇧🇪FIDE 295647· Male· Belgium· Born in 2014
Follow Oscar VierenTrack his monthly FIDE ratings, games, tournaments and more.
Oscar Vieren, a 12-year-old Belgian player, is rated 1487. He has slipped back 58 Elo over the past 12 months. 12 rated games in the past year. Recent standard appearances include Belgian Interclubs Round 2025-2026 Ronde 11, Belgian Interclubs Round 2025-2026 Ronde 10, and Belgian Youth Championships 2026 U12. His peak of 1545 was reached at age 11 (Dec 2025).
At junior level, he reached #26 nationally in U12.
Current rating
1487
Standard
Rpd—·Blz—
All-time high
1545
−58 pts below
Dec 2025 · age 11
Dec 2025 · age 11
Activity
21
games / yr avg. · ≈2/mo
12 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#190,707
#190,707 · players worldwide · of 218,279
Career timeline
6 entries2026
26th Belgian U12 player
at age 12 · rated 1533
Jan 2026
2025
Crossed 1500
at age 11
Dec 2025
Crossed 1400
at age 11
Dec 2025
Crossed 1200
at age 11
Dec 2025
All-time peak 1545
at age 11 · −58 from today
Dec 2025
First FIDE rating
1545 · at age 11
Dec 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
-58
1545 → 1487
Tournaments
8
16 games
Score
3.5/ 1621.9%
3W1D12L
Top 1 win
Top 3 losses
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 0/1 | #1534 | 1229 | -3.2 |
Team | Mar 2026 | 0.5/1 | #714 | 1583 | +5.2 |
Open Swiss | Feb 2026 | 3/3 | #53 | 2411 | -48.4 |
Team | Dec 2025 | 0/1 | #1498 | 1133 | -3.6 |
Team | Nov 2025 | 0/1 | #1010 | 976 | -8.4 |
Team | Nov 2025 | 0/1 | #1186 | 926 | 0.0 |
Team | Oct 2025 | 0/1 | #1134 | 1046 | 0.0 |
Team | Sep 2025 | 0/1 | #1456 | 924 | 0.0 |
Rankings
/
Belgium
#2,812
out of 3,338 players
Europe
#119,244
in continent
World
#190,631
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
| 1 | 🇧🇪Follow Daniel DardhaTrack their monthly FIDE ratings, games, tournaments and more. | 2,587 |
| 2 | 🇧🇪Follow Mikhail GurevichTrack their monthly FIDE ratings, games, tournaments and more. | 2,554 |
| 3 | 🇧🇪Follow Tanguy RingoirTrack their monthly FIDE ratings, games, tournaments and more. | 2,529 |
| 4 | 🇧🇪Follow Sim MaerevoetTrack their monthly FIDE ratings, games, tournaments and more. | 2,471 |
| 5 | 🇧🇪Follow Elias RuzhanskyTrack their monthly FIDE ratings, games, tournaments and more. | 2,442 |
| 6 | 🇧🇪Follow Igor GlekTrack their monthly FIDE ratings, games, tournaments and more. | 2,413 |
| 7 | 🇧🇪Follow Maxime HauchampsTrack their monthly FIDE ratings, games, tournaments and more. | 2,408 |
| 8 | 🇧🇪Follow Steven GeirnaertTrack their monthly FIDE ratings, games, tournaments and more. | 2,406 |
| 9 | 🇧🇪Follow Todor TodorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,402 |
| 10 | 🇧🇪Follow Thibaut VandenbusscheTrack their monthly FIDE ratings, games, tournaments and more. | 2,397 |
| ... | ||
| 2812 | 1,487 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 7 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,721 |
| 9 | 🇦🇿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. | 2,713 |
| ... | ||
| 119244 | 1,487 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 190631 | 1,487 | |