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 2022 — just 26 short of his peak of 2048 (Apr 2026, age 11) and sitting in the top 1% of players worldwide under 12. He is rising rapidly, having gained +179 Elo over the past 12 months. 85 rated games in the past year (≈86/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.
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
2022
Standard
Rpd1694·Blz1810
All-time high
2048
−26 pts below
Apr 2026 · age 11
Apr 2026 · age 11
Activity
85
games / yr avg. · ≈7/mo
85 past 12 mo · ≈7/mo
classical only
Very active
classical only
Very active
Signature stat
Top 1%
#140 · players worldwide under 12 · of 14,096
Career timeline
12 entries2026
95th U12 player worldwide
at age 11 · rated 2048
Apr 2026
All-time peak 2048
at age 11 · −26 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
+179
1843 → 2022
Tournaments
10
83 games
Score
44.5/ 8353.6%
35W27D21L
Top 3 wins
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
10 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
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 |
Swiss | Aug 2025 | 4.5/7 | #46 | 2116 | +22.4 |
Open Swiss | Jul 2025 | 4.5/8 | #72 | 2045 | +14.8 |
Most-Played Opponents
vsPablo Horacio Ruiz
🇦🇷ARG·1772
+2 −3 =2
7 games·last met Apr 2024
View head-to-head →
vsHildo Rodrigo Medero
🇦🇷ARG·1454
+5 −0 =0
5 games·last met Mar 2026
View head-to-head →
vsRaul Antonio Vecchio
🇦🇷ARG·1837
+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
#290
out of 3,279 players
Americas
#2,515
in continent
World
#24,270
out of 400,000+
National ranking
Europe & World
Europe
World
Argentina
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| ... | ||
| 290 | 2,022 | |
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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| ... | ||
| 2515 | 2,022 | |
World
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| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
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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 |
| ... | ||
| 24270 | 2,022 | |