Format
MT
Matthaiou, Theodoros
🇬🇷FIDE 42137438· Male· Greece· Born in 2011
Follow Theodoros MatthaiouTrack his monthly FIDE ratings, games, tournaments and more.
Theodoros Matthaiou, a 15-year-old Greek player, is rated 1731. He is climbing fast, having gained +168 Elo over the past 12 months. 104 rated games in the past year (≈66/year long-term). Recent standard appearances include 2026 National Youth Champiosnhips Finals - open U16, 3rd International Open Katerini chess 2026 - B, and 9th International Chess Open Tournament Vardaris 2026 A. Also played 14 rapid (including 3rd Elite Over 1800 Rapid Tournament 2026, by GAS Cholargou) and 11 blitz events (including 19th Grand Prix by SO Chalandriou - Blitz) recently. His peak of 1842 was reached at age 15 (Apr 2026).
At junior level, he reached #38 and #38 nationally in U16 and U14.
Current rating
1731
Standard
Rpd1771·Blz1738
All-time high
1842
−111 pts below
Apr 2026 · age 15
Apr 2026 · age 15
Activity
64
games / yr avg. · ≈5/mo
99 past 12 mo · ≈8/mo
classical only
Active
classical only
Active
Signature stat
#99,142
#99,142 · players worldwide · of 218,279
Career timeline
9 entries2026
38th Greek U16 player
at age 15 · rated 1842
Apr 2026
Crossed 1800
at age 15
Apr 2026
All-time peak 1842
at age 15 · −111 from today
Apr 2026
2025
38th Greek U14 player
at age 14 · rated 1719
Dec 2025
100 career games
at age 14
Dec 2025
Re-crossed 1600
at age 14
Oct 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
+172
1559 → 1731
Tournaments
16
107 games
Score
56/ 10752.3%
48W19D40L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 4/9 | #32 | 1611 | -100.0 |
Swiss | Mar 2026 | 6/7 | #2 | 1911 | +55.0 |
Open Swiss | Mar 2026 | 4/5 | #38 | 1961 | -12.0 |
Open Swiss | Feb 2026 | 1.5/7 | #158 | 1761 | +6.8 |
Open Swiss | Jan 2026 | 5/7 | #13 | 1872 | +57.4 |
Open Swiss | Jan 2026 | 3.5/6 | #16 | 1875 | +42.7 |
Swiss | Jan 2026 | 3/9 | #36 | 1680 | -24.8 |
Swiss | Dec 2025 | 3.5/5 | #24 | 1838 | -8.8 |
Most-Played Opponents
Rankings
/
Greece
#1,206
out of 3,681 players
Europe
#70,359
in continent
World
#99,140
out of 400,000+
National ranking
Europe & World
Europe
World
Greece
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Europe
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World
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