Format
KD
Kosir, Dejan
🇸🇮FIDE 14610272· Male· Slovenia· Born in 1978
Follow Dejan KosirTrack his monthly FIDE ratings, games, tournaments and more.
Dejan Kosir, a 48-year-old player, is rated 1844 — his current career high. He plays occasionally (4 games in the last 12 months) and took a 20-month break between Mar 2024 and Dec 2025. Recent appearance: II. clanska liga vzhod 2025.
Current rating
1844
Standard
Rpd1804·Blz1873
All-time high
1844
at best
Dec 2025 · age 47
Dec 2025 · age 47
Activity
2
games / yr avg.
4 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#63,091
#63,091 · players worldwide · of 216,808
Career timeline
9 entries2026
32nd 45-50 player nationally
at age 48 · rated 1844
May 2026
2025
All-time peak 1844
at age 47
Dec 2025
2024
Best 12-month gain (+142 Elo)
1673 → 1815
Mar 2024
Crossed 1800
at age 46
Mar 2024
Inactive for 20 months
paused at 1815 → returned at 1844
Mar 2024
2022
27th 40-45 player nationally
at age 44 · rated 1672
Apr 2022
Standard rating history
Last 12 months — activity & highlights
Evolution
+29
1815 → 1844
Tournaments
1
4 games
Score
2.5/ 462.5%
2W1D1L
Top 2 wins
Top 1 loss
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Sep 2025 | 2.5/4 | #39 | 1947 | +29.2 |
Rankings
/
Slovenia
#368
out of 1,431 players
Europe
#46,109
in continent
World
#63,091
out of 400,000+
National ranking
Europe & World
Europe
World
Slovenia
| 1 | 🇸🇮Follow Vladimir FedoseevTrack their monthly FIDE ratings, games, tournaments and more. | 2,700 |
| 2 | 🇸🇮Follow Anton DemchenkoTrack their monthly FIDE ratings, games, tournaments and more. | 2,611 |
| 3 | 🇸🇮Follow Jan SubeljTrack their monthly FIDE ratings, games, tournaments and more. | 2,555 |
| 3 | 🇸🇮Follow Jure SkoberneTrack their monthly FIDE ratings, games, tournaments and more. | 2,555 |
| 5 | 🇸🇮Follow Matej SebenikTrack their monthly FIDE ratings, games, tournaments and more. | 2,498 |
| 6 | 🇸🇮Follow Matic LavrencicTrack their monthly FIDE ratings, games, tournaments and more. | 2,486 |
| 7 | 🇸🇮Follow Pierre BarbotTrack their monthly FIDE ratings, games, tournaments and more. | 2,474 |
| 8 | 🇸🇮Follow Boris MarkojaTrack their monthly FIDE ratings, games, tournaments and more. | 2,469 |
| 9 | 🇸🇮Follow Jure ZorkoTrack their monthly FIDE ratings, games, tournaments and more. | 2,436 |
| 10 | 🇸🇮Follow Domen TisajTrack their monthly FIDE ratings, games, tournaments and more. | 2,419 |
| ... | ||
| 368 | 1,844 | |
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 |
| ... | ||
| 46109 | 1,844 | |
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 |
| ... | ||
| 63091 | 1,844 | |