Format
CJ
Cosman, Jackson Robert
🇨🇷FIDE 6570542· Male· Costa Rica· Born in 2012
Follow Jackson Robert CosmanTrack his monthly FIDE ratings, games, tournaments and more.
Jackson Robert Cosman, a 14-year-old player, is rated 1610 — just 1 short of his peak of 1611 (Mar 2026, age 14). He is currently in the 1600–1650 range. 13 rated games in the past year. Recent appearances: Campeonato Nacional Categorias Menores Pares 2026 U14 Absoluto and XLVI Metropolitano Torneo Internacional 2025 U14. Also played 3 blitz events (including XLVI Metropolitano Torneo Internacional 2025 Blitz) recently.
At junior level, he reached #14 nationally in U14.
Current rating
1610
Standard
Rpd—·Blz1701
All-time high
1611
−1 pts below
Mar 2026 · age 14
Mar 2026 · age 14
Activity
12
games / yr avg. · ≈1/mo
13 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#142,583
#142,583 · players worldwide · of 216,808
Career timeline
6 entries2026
All-time peak 1611
at age 14 · −1 from today
Mar 2026
14th U14 player nationally
at age 14 · rated 1610
Feb 2026
Crossed 1600
at age 14
Feb 2026
Crossed 1500
at age 14
Feb 2026
Crossed 1400
at age 14
Feb 2026
First FIDE rating
1610 · at age 14
Feb 2026
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
—
Tournaments
2
16 games
Score
10.5/ 1665.6%
10W1D5L
Top 3 wins
Top 3 losses
1.[L]vsPablo Andres Rodriguez Solis1,511·Campeonato Nacional Categorias Menores Pares 2026 U14 Absoluto·R6·-25.6
2.[L]vsAnalia Andrea Badillo Guerrero1,560·XLVI Metropolitano Torneo Internacional 2025 U14·R8·-22.9
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Feb 2026 | 4.5/4 | #12 | 2404 | +8.0 |
Open Swiss | Dec 2025 | 6/7 | #5 | 1584 | 0.0 |
Rankings
/
Costa Rica
#234
out of 695 players
Americas
#17,620
in continent
World
#142,573
out of 400,000+
National ranking
Europe & World
Europe
World
Costa Rica
| 1 | 🇨🇷Follow Bernal Gonzalez AcostaTrack their monthly FIDE ratings, games, tournaments and more. | 2,453 |
| 2 | 🇨🇷Follow Sebastian MihajlovTrack their monthly FIDE ratings, games, tournaments and more. | 2,372 |
| 3 | 🇨🇷Follow Emmanuel Jimenez GarciaTrack their monthly FIDE ratings, games, tournaments and more. | 2,349 |
| 4 | 🇨🇷Follow Sergio Minero PinedaTrack their monthly FIDE ratings, games, tournaments and more. | 2,330 |
| 5 | 🇨🇷Follow Leonardo Valdes RomeroTrack their monthly FIDE ratings, games, tournaments and more. | 2,326 |
| 6 | 🇨🇷Follow Alfonso Jose Alfaro RojasTrack their monthly FIDE ratings, games, tournaments and more. | 2,316 |
| 7 | 🇨🇷Follow Sergio Duran VegaTrack their monthly FIDE ratings, games, tournaments and more. | 2,283 |
| 8 | 🇨🇷Follow Alexis Murillo TsijliTrack their monthly FIDE ratings, games, tournaments and more. | 2,263 |
| 9 | 🇨🇷Follow David Alejandro Cabezas SolanoTrack their monthly FIDE ratings, games, tournaments and more. | 2,252 |
| 10 | 🇨🇷Follow Sebastian Angulo PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,182 |
| ... | ||
| 234 | 1,610 | |
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 |
| ... | ||
| 17620 | 1,610 | |
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 |
| ... | ||
| 142573 | 1,610 | |