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Sideris, Theodoros

🇬🇷

FIDEFIDE 4203704· Male· Greece· Born in 1965

Follow Theodoros SiderisTrack his monthly FIDE ratings, games, tournaments and more.

Theodoros Sideris, a 61-year-old Greek player, is rated 1940. He is on a steady climb with +56 Elo over the past 12 months. 127 rated games in the past year (≈102/year long-term). Recent standard appearances include 2026 Team Championship of ESSNA - C Category, 195th Open SO Ampelokipon Jan 2026, and 21st Siaperas Triantafyllos Open 2026. Also played 2 rapid (including 2025 Attica Rapid Championship Theodoros Papatheodorou) and 1 blitz events (including 2025 Attica Team Blitz Championship) recently. His peak of 2115 was reached at age 40 (Jan 2005).

Current rating

1940

Standard

Rpd1874·Blz1823

All-time high

2115

−175 pts below
Jan 2005 · age 40

Activity

137

games / yr avg. · ≈11/mo

127 past 12 mo · ≈11/mo
classical only
Very active

Signature stat

#38,775

#38,775 · players worldwide · of 216,808

Career timeline

29 entries
2026
25th Greek 60-65 player
at age 61 · rated 1940
May 2026
2025
27th Greek 55-60 player
at age 60 · rated 1927
Sep 2025
2,500 career games
at age 60
Jul 2025
2023
Best 12-month gain (+166 Elo)
1643 → 1809
Feb 2023
2018
26th Greek 50-55 player
at age 53 · rated 2052
May 2018
6-month rising streak
+139 Elo
May 2018

Standard rating history

Last 12 months — activity & highlights

Best result
2026 Team Championship of ESSNA - C Category
perf 2681 (+741) · 8/8 · #2
Top opponent
vs Nikolaos Zavrakidis 2,043
15th Papanastasio Open A · Aug 2025 · +3.2 Elo
Best comeback
2026 Team Championship of ESSNA - C Category
finished #2 (seeded #26 of 200)
Evolution
+26
1914 → 1940
Tournaments
15
99 games
Score
62.5/ 9963.1%
53W19D27L

Last 12 months — tournaments

top 10 of 15
EventDateScoreRankPerfΔ Elo
2026 Team Championship of ESSNA - C Category
Open Swiss
Jan 20268/8#22681+58.6
195th Open SO Ampelokipon Jan 2026
Open Swiss
Jan 20263.5/6#111855-2.4
21st Siaperas Triantafyllos Open 2026
Open Swiss
Jan 20265/7#71855-2.2
New Year's Eve 2026 SE Herakliou
Open Swiss
Jan 20263/5#151863+1.2
Festive open Chess Square Nov 2025
Swiss
Nov 20255.5/7#31941+13.4
Worst Elo result: 27th Open Irakleiou Attikis - Athens Challenge 2025 A (-53.0 Elo, finished #59).

Rankings

/
Greece
#479
out of 3,641 players
Europe
#28,641
in continent
World
#38,775
out of 400,000+

National ranking

Europe & World

Europe
World
Greece
1
🇬🇷Theodorou, NikolasFollow Nikolas TheodorouTrack their monthly FIDE ratings, games, tournaments and more.
2,635
2
🇬🇷Papaioannou, IoannisFollow Ioannis PapaioannouTrack their monthly FIDE ratings, games, tournaments and more.
2,611
3
🇬🇷Pavlidis, AntoniosFollow Antonios PavlidisTrack their monthly FIDE ratings, games, tournaments and more.
2,573
4
🇬🇷Kourkoulos-Arditis, StamatisFollow Stamatis Kourkoulos-ArditisTrack their monthly FIDE ratings, games, tournaments and more.
2,570
5
🇬🇷Banikas, HristosFollow Hristos BanikasTrack their monthly FIDE ratings, games, tournaments and more.
2,545
6
🇬🇷Alexakis, DimitrisFollow Dimitris AlexakisTrack their monthly FIDE ratings, games, tournaments and more.
2,538
7
🇬🇷Mastrovasilis, DimitriosFollow Dimitrios MastrovasilisTrack their monthly FIDE ratings, games, tournaments and more.
2,527
8
🇬🇷Halkias, SteliosFollow Stelios HalkiasTrack their monthly FIDE ratings, games, tournaments and more.
2,505
9
🇬🇷Patrelakis, EvaggelosFollow Evaggelos PatrelakisTrack their monthly FIDE ratings, games, tournaments and more.
2,483
9
🇬🇷Vlachos, AnatoleFollow Anatole VlachosTrack their monthly FIDE ratings, games, tournaments and more.
2,483
...
479🇬🇷Sideris, Theodoros1,940
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
3
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,735
7
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,717
8
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,708
...
28641🇬🇷Sideris, Theodoros1,940
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
38775🇬🇷Sideris, Theodoros1,940