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Marques, Guilherme Costa

🇵🇹

FIDEFIDE 1980092· Male· Portugal· Born in 2011

Follow Guilherme Costa MarquesTrack his monthly FIDE ratings, games, tournaments and more.

Guilherme Costa Marques, a 15-year-old Portuguese player, is rated 1481. He plays occasionally (3 games in the last 12 months). Recent standard appearances include CN 3. divisao 2025-26 r. 5-6, CN 3. divisao 2025-26 r. 4, and CN 3. divisao 2025-26 r. 3. Also played 6 rapid (including CN Jovens Semirrapidas Equipas 2024-25 - U20) and 5 blitz events (including CN Jovens Rapidas Equipas 2025-26 - gr. A) recently. His peak of 1514 was reached at age 14 (Mar 2025).

At junior level, he reached #53 and #29 nationally in U16 and U14.

Current rating

1481

Standard

Rpd1459·Blz—

All-time high

1514

−33 pts below
Mar 2025 · age 14

Activity

4

games / yr avg.

3 past 12 mo
classical only
Occasional

Signature stat

#191,762

#191,762 · players worldwide · of 216,808

Career timeline

7 entries
2026
53rd Portuguese U16 player
at age 15 · rated 1508
Jan 2026
2025
29th Portuguese U14 player
at age 14 · rated 1514
Mar 2025
Crossed 1500
at age 14
Mar 2025
Crossed 1400
at age 14
Mar 2025
Crossed 1200
at age 14
Mar 2025
All-time peak 1514
at age 14 · −33 from today
Mar 2025

Standard rating history

Last 12 months — activity & highlights

Evolution
-29
1510 → 1481
Tournaments
3
5 games
Score
0/ 50.0%
0W1D4L
Top wins
No noteworthy wins (no Elo gained on any game).

Last 12 months — tournaments

3 events
EventDateScoreRankPerfΔ Elo
CN 3. divisao 2025-26 r. 5-6
Team
Mar 20260/1#229910-8.8
CN 3. divisao 2025-26 r. 4
Team
Feb 20260/1#67891-10.4
CN 3. divisao 2025-26 r. 3
Team
Jan 20260/1#92997-6.4

Rankings

/
Portugal
#1,056
out of 1,729 players
Europe
#119,397
in continent
World
#191,677
out of 400,000+

National ranking

Europe & World

Europe
World
Portugal
1
🇵🇹Ferreira, Jorge ViterboFollow Jorge Viterbo FerreiraTrack their monthly FIDE ratings, games, tournaments and more.
2,525
2
🇵🇹Sousa, Andre VenturaFollow Andre Ventura SousaTrack their monthly FIDE ratings, games, tournaments and more.
2,449
3
🇵🇹Pereira, RubenFollow Ruben PereiraTrack their monthly FIDE ratings, games, tournaments and more.
2,446
4
🇵🇹Martins, David Pires TavaresFollow David Pires Tavares MartinsTrack their monthly FIDE ratings, games, tournaments and more.
2,436
5
🇵🇹Damaso, RuiFollow Rui DamasoTrack their monthly FIDE ratings, games, tournaments and more.
2,417
6
🇵🇹Martins, Bruno Andre LeiteFollow Bruno Andre Leite MartinsTrack their monthly FIDE ratings, games, tournaments and more.
2,408
7
🇵🇹Veiga, Jose Francisco R P NevesFollow Jose Francisco R P Neves VeigaTrack their monthly FIDE ratings, games, tournaments and more.
2,403
8
🇵🇹Galego, LuisFollow Luis GalegoTrack their monthly FIDE ratings, games, tournaments and more.
2,400
9
🇵🇹Barria, JoseFollow Jose BarriaTrack their monthly FIDE ratings, games, tournaments and more.
2,380
10
🇵🇹Vitor, AntonioFollow Antonio VitorTrack their monthly FIDE ratings, games, tournaments and more.
2,362
...
1056🇵🇹Marques, Guilherme Costa1,481
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
3
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,735
7
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,717
8
🇦🇿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.
2,708
...
119397🇵🇹Marques, Guilherme Costa1,481
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
191677🇵🇹Marques, Guilherme Costa1,481