Format
TL
Theilacker, Lucas de Mira
🇧🇷FIDE 44719736· Male· Brazil· Born in 2007
Follow Lucas de Mira TheilackerTrack his monthly FIDE ratings, games, tournaments and more.
Lucas de Mira Theilacker, a 19-year-old Brazilian player, is rated 1662 — just 21 short of his peak of 1683 (Mar 2025, age 18). He plays occasionally (5 games in the last 12 months). Recent appearance: FENAJ 2025 - Brasileiro Infanto-Juvenil STD - Sub 18 Absoluto. Also played 3 rapid (including FENAJ 2025 - Brasileiro Infanto-Juvenil RPD - Sub 18 Absoluto) and 4 blitz events (including FENAJ 2025 Brasileiro Infantil BLZ sub 18 Abs) recently.
At junior level, he reached #75 and #55 nationally in U18 and U16.
Current rating
1662
Standard
Rpd1673·Blz1712
All-time high
1683
−21 pts below
Mar 2025 · age 18
Mar 2025 · age 18
Activity
10
games / yr avg. · ≈1/mo
5 past 12 mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#123,335
#123,335 · players worldwide · of 216,808
Career timeline
9 entries2026
K-factor lowered to 20
at age 19
Jan 2026
2025
All-time peak 1683
at age 18 · −21 from today
Mar 2025
Best 12-month gain (+159 Elo)
1516 → 1675
Feb 2025
2024
Crossed 1600
at age 17
Mar 2024
75th Brazilian U18 player
at age 17 · rated 1552
Jan 2024
2023
55th Brazilian U16 player
at age 16 · rated 1552
Feb 2023
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
+2
1660 → 1662
Tournaments
1
6 games
Score
2.5/ 641.7%
1W3D2L
Top 1 win
1.[W]vsFelipe Gabriel Dos Santos1,561·FENAJ 2025 - Brasileiro Infanto-Juvenil STD - Sub 18 Absoluto·R5·+14.5
Top 2 losses
1.[L]vsJose Eros Lira De Andrade1,724·FENAJ 2025 - Brasileiro Infanto-Juvenil STD - Sub 18 Absoluto·R3·-16.4
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2025 | 2.5/5 | #20 | 1686 | -20.4 |
Worst Elo result: FENAJ 2025 - Brasileiro Infanto-Juvenil STD - Sub 18 Absoluto (-20.4 Elo, finished #20).
Rankings
/
Brazil
#2,034
out of 6,387 players
Americas
#15,010
in continent
World
#123,330
out of 400,000+
National ranking
Europe & World
Europe
World
Brazil
| 1 | 🇧🇷Follow Rafael LeitaoTrack their monthly FIDE ratings, games, tournaments and more. | 2,588 |
| 2 | 🇧🇷Follow Luis Paulo SupiTrack their monthly FIDE ratings, games, tournaments and more. | 2,581 |
| 3 | 🇧🇷Follow Alexandr FierTrack their monthly FIDE ratings, games, tournaments and more. | 2,578 |
| 4 | 🇧🇷Follow Giovanni VescoviTrack their monthly FIDE ratings, games, tournaments and more. | 2,549 |
| 5 | 🇧🇷Follow Krikor Sevag MekhitarianTrack their monthly FIDE ratings, games, tournaments and more. | 2,544 |
| 6 | 🇧🇷Follow Andre DiamantTrack their monthly FIDE ratings, games, tournaments and more. | 2,499 |
| 7 | 🇧🇷Follow Renato R. QuintilianoTrack their monthly FIDE ratings, games, tournaments and more. | 2,491 |
| 8 | 🇧🇷Follow Yago De Moura SantiagoTrack their monthly FIDE ratings, games, tournaments and more. | 2,479 |
| 9 | 🇧🇷Follow Diego Rafael Di BerardinoTrack their monthly FIDE ratings, games, tournaments and more. | 2,465 |
| 10 | 🇧🇷Follow Nathan Felipe FilgueirasTrack their monthly FIDE ratings, games, tournaments and more. | 2,410 |
| ... | ||
| 2034 | 1,662 | |
Americas
| 1 | 🇺🇸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. | 2,788 |
| 3 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 4 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 5 | 🇺🇸Follow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 6 | 🇺🇸Follow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more. | 2,724 |
| 7 | 🇺🇸Follow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more. | 2,718 |
| 8 | 🇺🇸Follow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more. | 2,696 |
| 9 | 🇺🇸Follow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more. | 2,656 |
| 10 | 🇺🇸Follow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,653 |
| ... | ||
| 15010 | 1,662 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 10 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 123330 | 1,662 | |