Format
ZK
Zachos, Konstantinos
🇬🇷FIDE 42174147· Male· Greece· Born in 2014
Follow Konstantinos ZachosTrack his monthly FIDE ratings, games, tournaments and more.
Konstantinos Zachos, a 12-year-old Greek player, is rated 1758 — his current career high. He is on a breakout run, having gained +238 Elo over the past 12 months. 45 rated games in the past year (≈33/year long-term). Recent standard appearances include 2026 National Youth Champiosnhips Finals - open U12, 2026 youth championships of Crete Finals - open U12, and 2026 youth championships of Herakleion Crete - open U12. Also played 5 rapid events (including Christmas Rapid Heraklion 2025) recently.
At junior level, he reached #9 and #12 nationally in U12 and U10.
Current rating
1758
Standard
Rpd1664·Blz1569
All-time high
1758
at best
May 2026 · age 12
May 2026 · age 12
Activity
32
games / yr avg. · ≈3/mo
45 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#89,860
#89,860 · players worldwide · of 218,279
Career timeline
8 entries2026
9th Greek U12 player
at age 12 · rated 1758
May 2026
Best 12-month gain (+240 Elo)
1518 → 1758
May 2026
All-time peak 1758
at age 12
May 2026
2025
Crossed 1600
at age 11
Jul 2025
2024
12th Greek U10 player
at age 10 · rated 1561
Jul 2024
Crossed 1500
at age 10
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
+150
1608 → 1758
Tournaments
7
50 games
Score
37.5/ 5075.0%
33W9D8L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 6/9 | #8 | 1757 | +11.6 |
Swiss | Jan 2026 | 4.5/4 | #1 | 2265 | +16.8 |
Swiss | Jan 2026 | 5/1 | #1 | 2266 | +11.6 |
Open Swiss | Jan 2026 | 5.5/7 | #7 | 1849 | +8.8 |
Swiss | Oct 2025 | 5.5/7 | #2 | 1761 | +26.4 |
Open Swiss | Aug 2025 | 5.5/8 | #18 | 1918 | +69.6 |
Open Swiss | Jun 2025 | 5.5/4 | #5 | 2348 | +24.4 |
Hot streak: 7 tournaments without losing Elo.
Rankings
/
Greece
#1,088
out of 3,681 players
Europe
#64,354
in continent
World
#89,858
out of 400,000+
National ranking
Europe & World
Europe
World
Greece
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| ... | ||
| 1088 | 1,758 | |
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 |
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| 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 |
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| ... | ||
| 64354 | 1,758 | |
World
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| 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 |
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| ... | ||
| 89858 | 1,758 | |