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Mercier, Theo

🇧🇪

FIDEFIDE 548002232· Male· Belgium· Born in 2001

Follow Theo MercierTrack his monthly FIDE ratings, games, tournaments and more.

Theo Mercier, a 25-year-old Belgian player, is rated 1576 — his current career high. He is on a breakout run, having gained +89 Elo over the past 12 months. 10 rated games in the past year. Recent standard appearances include Brussels Open Winter 2026 Rounds 7-10, Brussels Open Winter 2026 Rounds 1-4, and Brussels Open Fall 2025 Rounds 5-6. Also played 1 rapid (including Brussels Express 2025) and 2 blitz events (including Brussels Blitz Winter 2026) recently.

Current rating

1576

Standard

Rpd1559·Blz1601

All-time high

1576

at best
Jun 2026 · age 25

Activity

12

games / yr avg. · ≈1/mo

10 past 12 mo · ≈1/mo
classical only
Moderately active

Signature stat

#156,265

#156,265 · players worldwide · of 218,279

Career timeline

6 entries
2026
Best 12-month gain (+89 Elo)
1487 → 1576
Jun 2026
All-time peak 1576
at age 25
Jun 2026
Crossed 1500
at age 25
Feb 2026
2025
Crossed 1400
at age 24
Nov 2025
Crossed 1200
at age 24
Nov 2025
First FIDE rating
1487 · at age 24
Nov 2025

Standard rating history

Peak
FIDE title
Threshold
First rated

Activity & highlights

Top opponent
vs Yann-Sven Rittelmeyer 1,783
Brussels Spring Competition 2026 Rounds 3-5 · May 2026 · +10.7 Elo
Evolution
—
Tournaments
7
14 games
Score
5.5/ 1439.3%
6W3D5L

Last 12 months — tournaments

7 events
EventDateScoreRankPerfΔ Elo
Brussels Spring Competition 2026 Rounds 6-9
Open Swiss
Jun 20261/2#471694+12.8
Brussels Spring Competition 2026 Rounds 3-5
Open Swiss
May 20261/2#571760+21.2
Brussels Open Winter 2026 Rounds 7-10
Open Swiss
Mar 20261/1#662530+30.4
Brussels Open Winter 2026 Rounds 1-4
Open Swiss
Jan 20261.5/2#391852+38.4
Brussels Open Fall 2025 Rounds 5-6
Open Swiss
Oct 20250/1#968020.0
Brussels Open Fall 2025 Round 4
Open Swiss
Sep 20250/1#617930.0
Brussels Open Fall 2025 Rounds 1-3
Open Swiss
Sep 20251/3#4314490.0
Hot streak: 7 tournaments without losing Elo.

Rankings

/
Belgium
#2,467
out of 3,338 players
Europe
#103,170
in continent
World
#156,249
out of 400,000+

National ranking

Europe & World

Europe
World
Belgium
1
🇧🇪Dardha, DanielFollow Daniel DardhaTrack their monthly FIDE ratings, games, tournaments and more.
2,587
2
🇧🇪Gurevich, MikhailFollow Mikhail GurevichTrack their monthly FIDE ratings, games, tournaments and more.
2,554
3
🇧🇪Ringoir, TanguyFollow Tanguy RingoirTrack their monthly FIDE ratings, games, tournaments and more.
2,529
4
🇧🇪Maerevoet, SimFollow Sim MaerevoetTrack their monthly FIDE ratings, games, tournaments and more.
2,471
5
🇧🇪Ruzhansky, EliasFollow Elias RuzhanskyTrack their monthly FIDE ratings, games, tournaments and more.
2,442
6
🇧🇪Glek, IgorFollow Igor GlekTrack their monthly FIDE ratings, games, tournaments and more.
2,413
7
🇧🇪Hauchamps, MaximeFollow Maxime HauchampsTrack their monthly FIDE ratings, games, tournaments and more.
2,408
8
🇧🇪Geirnaert, StevenFollow Steven GeirnaertTrack their monthly FIDE ratings, games, tournaments and more.
2,406
9
🇧🇪Todorov, TodorFollow Todor TodorovTrack their monthly FIDE ratings, games, tournaments and more.
2,402
10
🇧🇪Vandenbussche, ThibautFollow Thibaut VandenbusscheTrack their monthly FIDE ratings, games, tournaments and more.
2,397
...
2467🇧🇪Mercier, Theo1,576
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
4
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,744
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
7
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,728
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,721
9
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,713
...
103170🇧🇪Mercier, Theo1,576
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
156249🇧🇪Mercier, Theo1,576