Format
AJ
Acheampong Jedidiah Nana Osei
🇬🇭FIDE 12602680· Male· Ghana· Born in 2014
Follow Acheampong Jedidiah Nana OseiTrack his monthly FIDE ratings, games, tournaments and more.
Acheampong Jedidiah Nana Osei, a 12-year-old player, is rated 1564. He has held steady between 1550 and 1600 for 14 months. 20 rated games in the past year (≈12/year long-term). Recent standard appearances include 2025 National Phase One, 5th WACA Quarterly Classics, and 2025 Solarays Classical Tournament. Also played 1 blitz event (including 5th WACA Blitz) recently. His peak of 1670 was reached at age 11 (Feb 2025, #24 nationally at the time).
At junior level, he reached #1 and #2 nationally in U12 and U10.
Current rating
1564
Standard
Rpd1555·Blz1560
All-time high
1670
−106 pts below
Feb 2025 · age 11
Feb 2025 · age 11
Activity
13
games / yr avg. · ≈1/mo
20 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#160,005
#160,005 · players worldwide · of 216,808
Career timeline
9 entries2025
1st U12 player nationally
at age 11 · rated 1670
Feb 2025
Best 12-month gain (+324 Elo)
1346 → 1670
Feb 2025
All-time peak 1670
at age 11 · −106 from today
Feb 2025
Peak national rank: #24
at age 11 · rated 1628
Jan 2025
2024
Crossed 1600
at age 10
Mar 2024
Crossed 1500
at age 10
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Evolution
-11
1575 → 1564
Tournaments
5
34 games
Score
16.5/ 3448.5%
11W11D12L
Top 3 wins
Top 3 losses
1.[L]vsYator Mugo Waikwa1,446·2025 African Schools Individual Chess Championship - Under 11 Open·R7·-26.3
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Dec 2025 | 3.5/6 | #24 | 1772 | +7.6 |
Swiss | Nov 2025 | 1/2 | #26 | 1803 | -17.2 |
Swiss | Aug 2025 | 2.5/5 | #15 | 1708 | -1.6 |
Swiss | Aug 2025 | 3/5 | #19 | 1816 | +26.8 |
Open Swiss | May 2025 | 6.5/2 | #28 | 2260 | -33.2 |
Worst Elo result: 2025 African Schools Individual Chess Championship - Under 11 Open (-33.2 Elo, finished #28).
Rankings
/
Ghana
#45
out of 59 players
Africa
#6,666
in continent
World
#159,987
out of 400,000+
National ranking
Europe & World
Europe
World
Ghana
| 1 | 🇬🇭Follow Kwabena Adu-PokuTrack their monthly FIDE ratings, games, tournaments and more. | 1,965 |
| 2 | 🇬🇭Follow Amoako Philip Selikem YaoTrack their monthly FIDE ratings, games, tournaments and more. | 1,958 |
| 3 | 🇬🇭Follow Bernard AnhwereTrack their monthly FIDE ratings, games, tournaments and more. | 1,950 |
| 4 | 🇬🇭Follow John Kojo HasfordTrack their monthly FIDE ratings, games, tournaments and more. | 1,947 |
| 5 | 🇬🇭Follow Cephas Clinton FomevorTrack their monthly FIDE ratings, games, tournaments and more. | 1,923 |
| 6 | 🇬🇭Follow Akpa PrinceTrack their monthly FIDE ratings, games, tournaments and more. | 1,881 |
| 7 | 🇬🇭Follow Francis Eric AnquandahTrack their monthly FIDE ratings, games, tournaments and more. | 1,873 |
| 8 | 🇬🇭Follow Philip Elikem AmekuTrack their monthly FIDE ratings, games, tournaments and more. | 1,868 |
| 9 | 🇬🇭Follow David Kofi AduamahTrack their monthly FIDE ratings, games, tournaments and more. | 1,857 |
| 10 | 🇬🇭Follow Waris Clinton Abdul-raheemTrack their monthly FIDE ratings, games, tournaments and more. | 1,849 |
| ... | ||
| 45 | 1,564 | |
Africa
| 1 | 🇪🇬Follow Bassem AminTrack their monthly FIDE ratings, games, tournaments and more. | 2,627 |
| 2 | 🇪🇬Follow Ahmed AdlyTrack their monthly FIDE ratings, games, tournaments and more. | 2,580 |
| 3 | 🇲🇦Follow Hicham HamdouchiTrack their monthly FIDE ratings, games, tournaments and more. | 2,502 |
| 4 | 🇩🇿Follow Bilel BellahceneTrack their monthly FIDE ratings, games, tournaments and more. | 2,493 |
| 5 | 🇪🇬Follow Adham FawzyTrack their monthly FIDE ratings, games, tournaments and more. | 2,467 |
| 6 | 🇩🇿Follow Adlane ArabTrack their monthly FIDE ratings, games, tournaments and more. | 2,453 |
| 7 | 🇪🇬Follow Samy ShokerTrack their monthly FIDE ratings, games, tournaments and more. | 2,442 |
| 8 | 🇲🇬Follow Fy Antenaina RakotomaharoTrack their monthly FIDE ratings, games, tournaments and more. | 2,441 |
| 9 | 🇹🇳Follow Kamel NjiliTrack their monthly FIDE ratings, games, tournaments and more. | 2,414 |
| 10 | 🇪🇬Follow Ibrahim Hasan LabibTrack their monthly FIDE ratings, games, tournaments and more. | 2,412 |
| ... | ||
| 6666 | 1,564 | |
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 |
| ... | ||
| 159987 | 1,564 | |