Format
TK
Tomazin Kosorok, Tadej
🇸🇮FIDE 14656183· Male· Slovenia· Born in 2013
Follow Tadej Tomazin KosorokTrack his monthly FIDE ratings, games, tournaments and more.
Tadej Tomazin Kosorok, a 13-year-old player, is rated 1737 — his current career high. He is climbing fast, having gained +99 Elo over the past 12 months. 52 rated games in the past year (≈22/year long-term). Recent standard appearances include Bled Chess Festival 2026, Mladinsko drzavno prvenstvo 2026 O14, and Hit open A 2026. Also played 4 rapid (including Mladinsko drzavno prvenstvo v pospesenem sahu 2026 O14) and 1 blitz events (including Ekipno drzavno prvenstvo v hitropoteznem sahu do 16 let) recently.
At junior level, he reached #12 and #4 nationally in U14 and U12.
Current rating
1737
Standard
Rpd1706·Blz1704
All-time high
1737
at best
Jun 2026 · age 13
Jun 2026 · age 13
Activity
22
games / yr avg. · ≈2/mo
44 past 12 mo · ≈4/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#97,069
#97,069 · players worldwide · of 218,279
Career timeline
9 entries2026
12th U14 player nationally
at age 13 · rated 1737
Jun 2026
All-time peak 1737
at age 13
Jun 2026
Best 12-month gain (+123 Elo)
1585 → 1708
Apr 2026
2025
Re-crossed 1600
at age 12
Jun 2025
2024
4th U12 player nationally
at age 11 · rated 1725
Jun 2024
Crossed 1600
at age 11
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
+99
1638 → 1737
Tournaments
7
47 games
Score
19.5/ 4741.5%
12W15D20L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 4/8 | #82 | 1883 | +29.6 |
Open Swiss | Mar 2026 | 4/9 | #41 | 1864 | +99.2 |
Swiss | Feb 2026 | 4/7 | #18 | 1688 | -55.2 |
Open Swiss | Jan 2026 | 2.5/8 | #58 | 1659 | -8.4 |
Swiss | Sep 2025 | 0/1 | #100 | 1162 | -4.4 |
Open Swiss | Sep 2025 | 3/4 | #32 | 1918 | +62.4 |
Open Swiss | Jul 2025 | 2/7 | #42 | 1609 | -24.4 |
Most-Played Opponents
vsBenjamin Usaj
🇸🇮SLO·1640
+6 −1 =7
14 games·last met Feb 2026
View head-to-head →
vsJakob Kovacic
🇸🇮SLO·1733
+4 −8 =1
13 games·last met Feb 2025
View head-to-head →
vsDavid KrsticCM
🇸🇮SLO·2163
+1 −4 =4
9 games·last met Feb 2026
View head-to-head →
vsMatic Levacic
🇸🇮SLO·1825
+1 −4 =4
9 games·last met Apr 2025
View head-to-head →
vsFilip Hrzenjak
🇸🇮SLO
+7 −0 =0
7 games·last met Jun 2025
View head-to-head →
Rankings
/
Slovenia
#492
out of 1,457 players
Europe
#69,046
in continent
World
#97,067
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. | 2,565 |
| 4 | 🇸🇮Follow Jure SkoberneTrack their monthly FIDE ratings, games, tournaments and more. | 2,555 |
| 5 | 🇸🇮Follow Matic LavrencicTrack their monthly FIDE ratings, games, tournaments and more. | 2,495 |
| 6 | 🇸🇮Follow Matej SebenikTrack their monthly FIDE ratings, games, tournaments and more. | 2,483 |
| 7 | 🇸🇮Follow Pierre BarbotTrack their monthly FIDE ratings, games, tournaments and more. | 2,472 |
| 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 |
| ... | ||
| 492 | 1,737 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 7 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,721 |
| 9 | 🇦🇿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. | 2,713 |
| ... | ||
| 69046 | 1,737 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸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. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 97067 | 1,737 | |