Format
DL
De la Sierra Mendibil, Aitor
🇪🇸FIDE 94721297· Male· Spain· Born in 2008
Follow Aitor De la Sierra MendibilTrack his monthly FIDE ratings, games, tournaments and more.
Aitor De La Sierra Mendibil, a 18-year-old Spanish player, is rated 1834 — his current career high. He is progressing steadily with +61 Elo over the past 12 months. 23 rated games in the past year (≈19/year long-term). Recent standard appearances include Campeonto de Euskadi Juvenil S18 2026, Campeonato de Euskadi por Equipos Primera-26 Rondas 9, and Campeonato de Euskadi por Equipos Primera-26 Rondas 5-7.
Current rating
1834
Standard
Rpd—·Blz—
All-time high
1834
at best
May 2026 · age 18
May 2026 · age 18
Activity
18
games / yr avg. · ≈2/mo
23 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#65,972
#65,972 · players worldwide · of 216,808
Career timeline
5 entries2026
All-time peak 1834
at age 18
May 2026
2025
Crossed 1800
at age 17
Nov 2025
2024
Best 12-month gain (+292 Elo)
1438 → 1730
Nov 2024
Crossed 1600
at age 16
Mar 2024
First FIDE rating
1438 · at age 16
Jan 2024
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
+61
1773 → 1834
Tournaments
9
25 games
Score
14.5/ 2558.0%
12W7D6L
Top 3 wins
2.[W]vsJaime Barranco Yanez1,710·Campeonato Segunda de Euskadi - Zonal de Bizkaia 2025 Rondas 4-6·R4·+14.3
Top 3 losses
1.[L]vsMiguel Angel Ibanez Baz1,747·Campeonato Segunda de Euskadi - Zonal de Bizkaia 2025 Rondas 4-6·R5·-23.7
Last 12 months — tournaments
9 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 4/7 | #9 | 1838 | +6.8 |
Round-Robin | Mar 2026 | 0/1 | #32 | 1326 | -6.0 |
Round-Robin | Feb 2026 | 0.5/2 | #50 | 1847 | +4.0 |
Round-Robin | Jan 2026 | 1/1 | #11 | 2739 | +27.2 |
Round-Robin | Jan 2026 | 0/1 | #47 | 957 | -22.8 |
Worst Elo result: Campeonato de Euskadi por Equipos Primera-26 Rondas 1-3 (-22.8 Elo, finished #47).
Rankings
/
Spain
#6,072
out of 20,270 players
Europe
#48,112
in continent
World
#65,972
out of 400,000+
National ranking
Europe & World
Europe
World
Spain
| 1 | 🇪🇸Follow David Anton GuijarroTrack their monthly FIDE ratings, games, tournaments and more. | 2,657 |
| 2 | 🇪🇸Follow Francisco Vallejo PonsTrack their monthly FIDE ratings, games, tournaments and more. | 2,644 |
| 2 | 🇪🇸Follow Maksim ChigaevTrack their monthly FIDE ratings, games, tournaments and more. | 2,644 |
| 4 | 🇪🇸Follow Jaime Santos LatasaTrack their monthly FIDE ratings, games, tournaments and more. | 2,615 |
| 5 | 🇪🇸Follow Miguel Santos RuizTrack their monthly FIDE ratings, games, tournaments and more. | 2,604 |
| 6 | 🇪🇸Follow Alexei ShirovTrack their monthly FIDE ratings, games, tournaments and more. | 2,597 |
| 7 | 🇪🇸Follow Ivan Salgado LopezTrack their monthly FIDE ratings, games, tournaments and more. | 2,591 |
| 8 | 🇪🇸Follow Eduardo Iturrizaga BonelliTrack their monthly FIDE ratings, games, tournaments and more. | 2,589 |
| 9 | 🇪🇸Follow Miguel Illescas CordobaTrack their monthly FIDE ratings, games, tournaments and more. | 2,587 |
| 10 | 🇪🇸Follow Daniil YuffaTrack their monthly FIDE ratings, games, tournaments and more. | 2,586 |
| ... | ||
| 6072 | 1,834 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 3 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
| 7 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 8 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,708 |
| ... | ||
| 48112 | 1,834 | |
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 |
| ... | ||
| 65972 | 1,834 | |