Format
Ribeiro, Matheus Mendes Domingues
FM🇧🇷FIDE 324226923· Male· Brazil· Born in 2005
Follow Matheus Mendes Domingues RibeiroTrack his monthly FIDE ratings, games, tournaments and more.
Matheus Mendes Domingues Ribeiro, a 21-year-old Brazilian FIDE Master, is rated 2331 — just 8 short of his peak of 2339 (Oct 2025, age 20) and ranked 23rd among Brazilian players, and in the top 1% worldwide. He is on a steady climb with +29 Elo over the past 12 months. 134 rated games in the past year (≈68/year long-term). Recent standard appearances include V Rio Chess Open 2026 STD, II Rio Chess Masters 2026, and La Proa de Fiesta - ITT. Also played 3 rapid (including 9o Torneio Internacional de Xadrez SESC Caioba Rapido) and 6 blitz events (including 9o Torneio Internacional de Xadrez SESC Caioba BLZ) recently. He reached Brazilian #21 in Jan 2025.
Awarded FM in 2025 (age 20) and CM in 2021 (age 16). At junior level, he reached #2, #1, #1, #2 and #1 nationally in U20, U18, U16, U14 and U12.
Current rating
2331
Standard
Rpd2271·Blz2286
All-time high
2339
−8 pts below
Oct 2025 · age 20
Oct 2025 · age 20
Activity
119
games / yr avg. · ≈10/mo
119 past 12 mo · ≈10/mo
classical only
Very active
classical only
Very active
Signature stat
#23
#23 · Brazilian players · of 3,069
Career timeline
22 entries2026
Re-crossed 2300
at age 21
Apr 2026
2025
2nd Brazilian U20 player
at age 20 · rated 2339
Oct 2025
All-time peak 2339
at age 20 · −16 from today
Oct 2025
Re-crossed 2300
at age 20
Sep 2025
Re-crossed 2300
at age 20
Jul 2025
500 career games
at age 20
Apr 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
Activity & highlights
Evolution
+25
2306 → 2331
Tournaments
15
120 games
Score
85/ 12070.8%
68W34D18L
Top 3 wins
Top 3 losses
2.[L]vsWillians Fernando Trindade2,058·I Aberto do Brasil Memorial Stergios Grigorios Tsiloufas·R3·-15.9
Last 12 months — tournaments
14 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | Jun 2026 | 5.5/9 | #4 | 2386 | +14.0 |
Swiss | May 2026 | 5/5 | #1 | 2611 | +8.0 |
Open Swiss | Apr 2026 | 8/9 | #3 | 2396 | +21.8 |
Swiss | Apr 2026 | 3.5/9 | #20 | 2267 | -12.2 |
Round-Robin | Mar 2026 | 6/9 | #2 | 2363 | +17.0 |
Open Swiss | Feb 2026 | 5/5 | #6 | 2632 | -9.8 |
Open Swiss | Jan 2026 | 7.5/10 | #14 | 2317 | +8.0 |
Open Swiss | Dec 2025 | 6.5/9 | #3 | 2116 | -16.6 |
Open Swiss | Dec 2025 | 7/11 | #25 | 2272 | -2.2 |
Open Swiss | Nov 2025 | 4.5/5 | #2 | 2274 | +4.8 |
Worst Elo result: XX CAMPEONATO SUDAMERICANO DE AJEDREZ SUB-20 ABSOLUTO GUAYAQUIL-ECUADOR (-27.0 Elo, finished #22).
Most-Played Opponents
vsKaua Marques SilvaFM
🇧🇷BRA·2343
+1 −7 =7
15 games·last met Apr 2026
View head-to-head →
vsPedro Ferreira LageCM
🇧🇷BRA·2166
+4 −1 =10
15 games·last met Jan 2026
View head-to-head →
vsDiego Rafael Di BerardinoIM
🇧🇷BRA·2465
+1 −8 =2
11 games·last met Mar 2025
View head-to-head →
vsNathan Felipe FilgueirasIM
🇧🇷BRA·2410
+1 −2 =7
10 games·last met Apr 2026
View head-to-head →
vsRenato R. QuintilianoGM
🇧🇷BRA·2491
+1 −6 =3
10 games·last met Jan 2026
View head-to-head →
Rankings
/
Brazil
#23
out of 6,523 players
Americas
#363
in continent
World
#3,165
out of 400,000+
National ranking
Europe & World
Europe
World
Brazil
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| 23 | 2,331 | |
Americas
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| 363 | 2,331 | |
World
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| 3165 | 2,331 | |