Format
ST
Sebastijan, Tonko
🇭🇷FIDE 14599775· Male· Croatia· Born in 2011
Follow Tonko SebastijanTrack his monthly FIDE ratings, games, tournaments and more.
Tonko Sebastijan, a 15-year-old Croatian player, is rated 1621 — just 24 short of his peak of 1645 (Jan 2026, age 15). He has held steady between 1600 and 1650 for 15 months. 16 rated games in the past year (≈14/year long-term). Recent standard appearances include S: Pojedinacno kadetsko prvenstvo Dubrovacko-neretvanske zupanije za 2026. godinu - Open U16, S: 3. OTVORENI MEDJUNARODNI SAHOVSKI TURNIR DUBROVNIK ADVENT 2025, and S: Standard Ljeto 2025 Dubrovnik. Also played 6 rapid (including R: 16. medjunarodni rapid turnir Open Dubrovnik 2026) and 7 blitz events (including B: Brzopotezni turnir Dan pobjede i domovinske zahvalnosti, Dan hrvatskih branitelja Dubrovnik 2025) recently.
At junior level, he reached #62 and #44 nationally in U16 and U14.
Current rating
1621
Standard
Rpd1799·Blz1684
All-time high
1645
−24 pts below
Jan 2026 · age 15
Jan 2026 · age 15
Activity
15
games / yr avg. · ≈1/mo
14 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#139,001
#139,001 · players worldwide · of 218,279
Career timeline
8 entries2026
62nd Croatian U16 player
at age 15 · rated 1645
Jan 2026
All-time peak 1645
at age 15 · −24 from today
Jan 2026
2025
44th Croatian U14 player
at age 14 · rated 1606
Apr 2025
Crossed 1600
at age 14
Apr 2025
Best 12-month gain (+366 Elo)
1184 → 1550
Jan 2025
2024
Crossed 1500
at age 13
Mar 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
+11
1610 → 1621
Tournaments
3
19 games
Score
9.5/ 1950.0%
7W5D7L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 2/3 | #4 | 1744 | -23.2 |
Open Swiss | Dec 2025 | 3/6 | #65 | 1844 | +23.6 |
Swiss | Jun 2025 | 4.5/5 | #5 | 2032 | +10.4 |
Worst Elo result: S: Pojedinacno kadetsko prvenstvo Dubrovacko-neretvanske zupanije za 2026. godinu - Open U16 (-23.2 Elo, finished #4).
Most-Played Opponents
vsDominik Koncarevic
🇭🇷CRO
+10 −0 =1
11 games·last met Feb 2026
View head-to-head →
vsMatej Perak
🇭🇷CRO·1755
+3 −5 =2
10 games·last met Apr 2026
View head-to-head →
vsAna Perak
🇭🇷CRO
+9 −0 =0
9 games·last met Nov 2025
View head-to-head →
vsLuka Vojvoda
🇭🇷CRO·1736
+0 −2 =6
8 games·last met May 2026
View head-to-head →
vsAnte Gulin
🇭🇷CRO·1725
+2 −5 =1
8 games·last met Dec 2025
View head-to-head →
Rankings
/
Croatia
#1,951
out of 2,918 players
Europe
#94,016
in continent
World
#138,993
out of 400,000+
National ranking
Europe & World
Europe
World
Croatia
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| ... | ||
| 1951 | 1,621 | |
Europe
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| 94016 | 1,621 | |
World
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| 138993 | 1,621 | |