Format
ZK
Zazuliak, Kostiantyn
🇪🇸FIDE 523028467· Male· Spain· Born in 2010
Follow Kostiantyn ZazuliakTrack his monthly FIDE ratings, games, tournaments and more.
Kostiantyn Zazuliak, a 16-year-old Spanish player, is rated 2030 — his current career high and sitting in the top 5% of players worldwide under 16. He is climbing fast, having gained +134 Elo over the past 12 months. 35 rated games in the past year (≈31/year long-term). Recent standard appearances include Cto por Equipos de Aragon Preferente I 2026 Rondas 7-9, Cto por Equipos de Aragon Division de Honor 2026 Rondas 7-10, and Cto por Equipos de Aragon Division de Honor 2026 Rondas 6. Also played 1 rapid event (including XVI Memorial Santiago Tejero) recently.
At junior level, he reached #71 and #64 nationally in U16 and U14.
Current rating
2030
Standard
Rpd1908·Blz—
All-time high
2030
at best
Apr 2026 · age 16
Apr 2026 · age 16
Activity
30
games / yr avg. · ≈3/mo
35 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
Top 5%
#1,017 · players worldwide under 16 · of 20,363
Career timeline
7 entries2026
71st Spanish U16 player
at age 16 · rated 2030
Apr 2026
Best 12-month gain (+152 Elo)
1878 → 2030
Apr 2026
Crossed 2000
at age 16
Apr 2026
All-time peak 2030
at age 16
Apr 2026
2024
64th Spanish U14 player
at age 14 · rated 1872
May 2024
Crossed 1800
at age 14
May 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
+134
1896 → 2030
Tournaments
9
35 games
Score
21.5/ 3561.4%
19W5D11L
Top 3 wins
1.[W]vsAlvaro Lacruz Algarate2,095·Cto por Equipos de Aragon Division de Honor 2026 Rondas 6·R6·+23.7
3.[W]vsRuben Gutierrez Mingueza2,005·Cto por Equipos de Aragon Preferente I 2026 Rondas 3-5·R3·+20.7
Top 3 losses
3.[L]vsJorge Munoz Valles2,076·Cto por Equipos de Aragon Division de Honor 2026 Rondas 7-10·R9·-17.4
Last 12 months — tournaments
9 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Mar 2026 | 2/2 | #3 | 2646 | +23.2 |
Open Swiss | Mar 2026 | 0/1 | #92 | 1276 | -14.8 |
Open Swiss | Feb 2026 | 1/1 | #14 | 2895 | +30.0 |
Open Swiss | Feb 2026 | 3/3 | #2 | 2756 | +68.0 |
Open Swiss | Jan 2026 | 1/1 | #1 | 2699 | +18.8 |
Open Swiss | Jan 2026 | 0/1 | #25 | 1245 | -13.2 |
Open Swiss | Sep 2025 | 5/9 | #36 | 1867 | -26.4 |
Open Swiss | Jul 2025 | 5/10 | #168 | 1981 | +34.4 |
Open Swiss | Jun 2025 | 4.5/7 | #22 | 1923 | +13.2 |
Rankings
/
Spain
#1,862
out of 20,300 players
Europe
#17,117
in continent
World
#23,245
out of 400,000+
National ranking
Europe & World
Europe
World
Spain
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| ... | ||
| 1862 | 2,030 | |
Europe
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| ... | ||
| 17117 | 2,030 | |
World
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| ... | ||
| 23245 | 2,030 | |