Format
LC
Lerma Castillo, Juan
🇲🇽FIDE 29602157· Male· Mexico· Born in 2011
Follow Juan Lerma CastilloTrack his monthly FIDE ratings, games, tournaments and more.
Juan Lerma Castillo, a 15-year-old Mexican player, is rated 1984 — just 1 short of his peak of 1985 (Apr 2026, age 15) and ranked 6th among Mexican players under 16. He is on a breakout run, having gained +126 Elo over the past 12 months. 52 rated games in the past year (≈43/year long-term). Recent standard appearances include Olimpiada Nacional 2026. Region IV. Sub 16 Var, Torneo North American Junior Chess Championship U20 Abs, and XIII Torneo Internacional y Nacional de Ajedrez Copa Revolucion 2025 1a Fuerza. Also played 3 rapid (including Olimpiada Nacional 2025. Sub 16 Mixto. Rapido 15) and 5 blitz events (including XIII Torneo Internacional y Nacional Copa Revolucion, Blitz Abierta) recently.
At junior level, he reached #5, #6 and #5 nationally in U16, U14 and U12.
Current rating
1984
Standard
Rpd1905·Blz1876
All-time high
1985
−1 pts below
Apr 2026 · age 15
Apr 2026 · age 15
Activity
47
games / yr avg. · ≈4/mo
52 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#6
#6 · Mexican players under 16 · of 254
Career timeline
9 entries2026
5th Mexican U16 player
at age 15 · rated 1985
Apr 2026
All-time peak 1985
at age 15 · −1 from today
Apr 2026
2025
6th Mexican U14 player
at age 14 · rated 1933
Aug 2025
Re-crossed 1800
at age 14
Mar 2025
2024
100 career games
at age 13
Dec 2024
Best 12-month gain (+247 Elo)
1571 → 1818
Oct 2024
Standard rating history
Activity & highlights
Best result
Campeonato Nacional Infantil y Juvenil Queretaro 2025 Sub 15 Absperf 2415 (+497) · 5/5 · #3
Top opponent
XIV Torneo Internacional y Nacional Abierto de Ajedrez de la Ciudad de Mexico. Hidalgo · Sep 2025 · +12.5 Elo
Evolution
+106
1878 → 1984
Tournaments
6
50 games
Score
25.5/ 5051.0%
25W13D12L
Top 3 wins
2.[W]vsMatias Martinez FloresFM2,134·XIII Torneo Internacional y Nacional de Ajedrez Copa Revolucion 2025 1a Fuerza·R9·+29.9
3.[W]vsMatias Martinez FloresFM2,088·Torneo North American Junior Chess Championship U20 Abs·R2·+26.7
Top 3 losses
1.[L]vsCristian Jeron Lagunes Mendez1,782·Olimpiada Nacional Estatal Estado de Mexico 13-16 Varonil·R5·-29.7
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Mar 2026 | 3.5/5 | #1 | 2031 | +18.4 |
Open Swiss | Dec 2025 | 4.5/9 | #18 | 1996 | +20.0 |
Open Swiss | Nov 2025 | 4.5/8 | #21 | 2007 | +28.4 |
Open Swiss | Sep 2025 | 4/9 | #25 | 1955 | -2.4 |
Swiss | Aug 2025 | 5/5 | #3 | 2415 | -12.8 |
Swiss | Jul 2025 | 4/6 | #5 | 2051 | +56.4 |
Hot streak: 3 tournaments without losing Elo.
Most-Played Opponents
vsLevi Kalani Alexander Fogo EsquivelFM
🇲🇽MEX·2180
+1 −8 =0
9 games·last met Dec 2025
View head-to-head →
vsCristian Jeron Lagunes Mendez
🇲🇽MEX·1841
+1 −5 =1
7 games·last met Feb 2026
View head-to-head →
vsMatias Martinez FloresFM
🇲🇽MEX·2011
+3 −3 =1
7 games·last met Dec 2025
View head-to-head →
vsOliver Armin Alvarez Ochoa
🇲🇽MEX·1677
+2 −2 =3
7 games·last met Nov 2024
View head-to-head →
vsKarla Akemi Telles Fukushima
🇲🇽MEX·1942
+3 −2 =0
5 games·last met Dec 2025
View head-to-head →
Rankings
/
Mexico
#218
out of 3,007 players
Americas
#3,188
in continent
World
#30,116
out of 400,000+
National ranking
Europe & World
Europe
World
Mexico
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| ... | ||
| 218 | 1,984 | |
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 |
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| 10 | 🇺🇸Follow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,653 |
| ... | ||
| 3188 | 1,984 | |
World
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| 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 |
| ... | ||
| 30116 | 1,984 | |