Format
MM
Medero Mino, Leon
CM🇦🇷FIDE 20027290· Male· Argentina· Born in 2015
Follow Leon Medero MinoTrack his monthly FIDE ratings, games, tournaments and more.
Leon Medero Mino, a 11-year-old Argentine Candidate Master, is rated 2008 and sitting in the top 1% of players worldwide under 12. He is rising rapidly, having gained +165 Elo over the past 12 months. 100 rated games in the past year (≈89/year long-term). Recent standard appearances include 55 Abierto Ciudad de Mar del Plata, 1er IRT SUB-2400 Ismael Beto Menna in memoriam, and I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE. Also played 3 blitz events (including Brazil Chess Series - Foz do Iguacu 2025 - Super Blitz) recently. His peak of 2048 was reached at age 11 (Apr 2026).
Awarded CM in 2026 (age 11). At junior level, he reached World #95 in U12, World #45 in U10 and #1 nationally in U8.
Current rating
2008
Standard
Rpd1694·Blz1810
All-time high
2048
−40 pts below
Apr 2026 · age 11
Apr 2026 · age 11
Activity
87
games / yr avg. · ≈7/mo
100 past 12 mo · ≈8/mo
classical only
Very active
classical only
Very active
Signature stat
Top 1%
#164 · players worldwide under 12 · of 14,529
Career timeline
12 entries2026
95th U12 player worldwide
at age 11 · rated 2048
Apr 2026
All-time peak 2048
at age 11 · −40 from today
Apr 2026
CM title awardedCM
at age 11
Jan 2026
Crossed 2000
at age 11
Jan 2026
2025
45th U10 player worldwide
at age 10 · rated 1870
Jan 2025
2024
Re-crossed 1800
at age 9
Oct 2024
Standard rating history
Activity & highlights
Best result
VII Abierto Internacional de Villa Constitucion "Copa ArcelorMittal"perf 2116 (+179) · 4.5/7 · #46
Top opponent
Evolution
+108
1900 → 2008
Tournaments
12
92 games
Score
53/ 9257.6%
38W30D24L
Top 3 wins
1.[W]vsCristian SanhuezaFM2,250·ITT IV OPEN CIUDAD DE BUENOS AIRES COPA RUIBAL 2026 CLUB ARGENTINO·R7·+32.0
Top 3 losses
2.[L]vsFrancisco Jose Morales Perez1,842·I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE·R1·-28.6
Last 12 months — tournaments
12 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 4.5/9 | #101 | 2063 | +18.0 |
Swiss | May 2026 | 4/6 | #7 | 1854 | -32.0 |
Open Swiss | Mar 2026 | 5/9 | #52 | 1937 | -26.4 |
Swiss | Mar 2026 | 5.5/7 | #2 | 2112 | +46.0 |
Open Swiss | Jan 2026 | 5.5/9 | #28 | 2009 | -1.2 |
Open Swiss | Dec 2025 | 3/6 | #7 | 2062 | +27.2 |
Open Swiss | Dec 2025 | 4/6 | #29 | 1950 | +2.0 |
Open Swiss | Nov 2025 | 4.5/9 | #45 | 1996 | +26.0 |
Open Swiss | Oct 2025 | 4/6 | #54 | 2083 | +4.4 |
Open Swiss | Sep 2025 | 4/7 | #19 | 1937 | +5.6 |
Most-Played Opponents
vsPablo Horacio Ruiz
🇦🇷ARG·1788
+2 −3 =2
7 games·last met Apr 2024
View head-to-head →
vsHildo Rodrigo Medero
🇦🇷ARG·1452
+5 −0 =0
5 games·last met Mar 2026
View head-to-head →
vsRaul Antonio Vecchio
🇦🇷ARG·1849
+2 −1 =2
5 games·last met Dec 2025
View head-to-head →
vsMelian Cabrera
🇦🇷ARG·1781
+2 −2 =1
5 games·last met Apr 2024
View head-to-head →
Rankings
/
Argentina
#333
out of 3,298 players
Americas
#2,739
in continent
World
#26,276
out of 400,000+
National ranking
Europe & World
Europe
World
Argentina
| 1 | 🇦🇷Follow Diego FloresTrack their monthly FIDE ratings, games, tournaments and more. | 2,582 |
| 2 | 🇦🇷Follow Ruben FelgaerTrack their monthly FIDE ratings, games, tournaments and more. | 2,556 |
| 3 | 🇦🇷Follow Fernando PeraltaTrack their monthly FIDE ratings, games, tournaments and more. | 2,552 |
| 4 | 🇦🇷Follow Tomas SosaTrack their monthly FIDE ratings, games, tournaments and more. | 2,546 |
| 4 | 🇦🇷Follow Sandro MarecoTrack their monthly FIDE ratings, games, tournaments and more. | 2,546 |
| 6 | 🇦🇷Follow Federico Perez PonsaTrack their monthly FIDE ratings, games, tournaments and more. | 2,541 |
| 7 | 🇦🇷Follow Faustino OroTrack their monthly FIDE ratings, games, tournaments and more. | 2,537 |
| 8 | 🇦🇷Follow Pablo ZarnickiTrack their monthly FIDE ratings, games, tournaments and more. | 2,508 |
| 9 | 🇦🇷Follow Vitalii KiselevTrack their monthly FIDE ratings, games, tournaments and more. | 2,507 |
| 10 | 🇦🇷Follow Andres Carlos ObregonTrack their monthly FIDE ratings, games, tournaments and more. | 2,506 |
| ... | ||
| 333 | 2,008 | |
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 |
| 3 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 4 | 🇺🇸Follow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,742 |
| 5 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 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. | 2,696 |
| 7 | 🇺🇸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 |
| ... | ||
| 2739 | 2,008 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸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. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 26276 | 2,008 | |