Format
PJ
Pereira, Jefferson Luis de S.
🇧🇷FIDE 2139626· Male· Brazil· Born in 1988
Follow Jefferson Luis de S. PereiraTrack his monthly FIDE ratings, games, tournaments and more.
Jefferson Luis de S. Pereira, a 38-year-old Brazilian player, is rated 1977. He is progressing steadily with +45 Elo over the past 12 months. 28 rated games in the past year (≈5/year long-term). Recent standard appearances include Campeonato Maranhense de Xadrez Absoluto Trofeu GM Rafael Leitao, Aberto do Brasil Princesa do Sertao Maranhense Trofeu MN Nicolau Duailibe Leitao, and III Campeonato Brasileiro Uniao De Xadrez Das Forcas Armadas e de Seguranca Publica 2025. Also played 2 rapid (including Campeonato Maranhense De Xadrez Rapido 2025) and 2 blitz events (including Campeonato Maranhense de Xadrez Blitz 2025) recently. He had 2 career breaks: 26 months (2013–2015) and 99 months (2016–2024). His peak of 2028 was reached at age 23 (Nov 2011).
Current rating
1977
Standard
Rpd1989·Blz2013
All-time high
2028
−51 pts below
Nov 2011 · age 23
Nov 2011 · age 23
Activity
13
games / yr avg. · ≈1/mo
28 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#31,310
#31,310 · players worldwide · of 218,279
Career timeline
10 entries2026
46th Brazilian 35-40 player
at age 38 · rated 1977
Jun 2026
Best 12-month gain (+45 Elo)
1932 → 1977
Jan 2026
2016
Inactive for 99 months
paused at 1926 → returned at 1932
Feb 2016
2015
K-factor lowered to 20
at age 27
Nov 2015
2013
Inactive for 26 months
paused at 1950 → returned at 1921
Aug 2013
2011
Crossed 2000
at age 23
Nov 2011
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Best result
Aberto do Brasil Princesa do Sertao Maranhense Trofeu MN Nicolau Duailibe Leitaoperf 2170 (+193) · 4/5 · #11
Top opponent
Evolution
+40
1937 → 1977
Tournaments
4
26 games
Score
16/ 2661.5%
12W8D6L
Top 3 wins
Top 3 losses
1.[L]vsKlebert R Machado Goncalves Junior1,813·III Campeonato Brasileiro Uniao De Xadrez Das Forcas Armadas e de Seguranca Publica 2025·R4·-13.2
2.[L]vsRobson Nunes Rodrigues Jr1,818·III Campeonato Brasileiro Uniao De Xadrez Das Forcas Armadas e de Seguranca Publica 2025·R2·-13.1
3.[L]vsJoao Moreira Pinto Filho1,909·Campeonato Maranhense de Xadrez Absoluto Trofeu GM Rafael Leitao·R8·-11.9
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | Dec 2025 | 5.5/9 | #2 | 2079 | +36.6 |
Open Swiss | Nov 2025 | 4/5 | #11 | 2170 | +10.0 |
Open Swiss | Aug 2025 | 3.5/4 | #13 | 2162 | -22.8 |
Open Swiss | Jul 2025 | 3/5 | #9 | 2069 | +15.6 |
Worst Elo result: III Campeonato Brasileiro Uniao De Xadrez Das Forcas Armadas e de Seguranca Publica 2025 (-22.8 Elo, finished #13).
Rankings
/
Brazil
#366
out of 6,523 players
Americas
#3,307
in continent
World
#31,309
out of 400,000+
National ranking
Europe & World
Europe
World
Brazil
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| 10 | 🇧🇷Follow Lucas Do Valle CardosoTrack their monthly FIDE ratings, games, tournaments and more. | 2,407 |
| ... | ||
| 366 | 1,977 | |
Americas
| 1 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 1 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
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| ... | ||
| 3307 | 1,977 | |
World
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| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
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| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 31309 | 1,977 | |