Born
17 September 2000, Athens, Greece.
Nikolas Theodorou is a Greek grandmaster, 2022 Olympiad individual silver medallist, Saint Louis University standout and 2025 breakout tournament winner. Use the replay lab, diagram cards and study adviser to explore wins over Fabiano Caruana, Levon Aronian, Teimour Radjabov, Arjun Erigaisi, Leinier Dominguez and his UzChess Cup Challengers run.
Born
17 September 2000, Athens, Greece.
Country
Greece.
Title
Grandmaster in 2021.
Olympiad medal
Individual silver on board two at Chennai 2022.
Peak rating
2656 in November 2025.
World ranking
No. 98 in June 2026, with a peak of No. 60.
Theodorou’s best page hook is not only “Greek grandmaster”; it is the mix of team medals, elite scalps and recent tournament momentum.
Greek national-team strength
His unbeaten +6 =3 -0 board-two score at the 2022 Olympiad gives the profile a clear national-team anchor.
Elite opponent evidence
The replay lab includes wins over Caruana, Aronian, Radjabov, Arjun and Dominguez, so the page is built around games rather than biography alone.
Saint Louis pathway
Theodorou studied Physics and Mathematics at Saint Louis University, then completed a Biostatistics and Health Analytics master’s degree.
2025 breakout run
UzChess Cup Challengers, Biel Challengers and Top 100 entry make him a modern rising-player study target.
Choose a game, then open the viewer to study the full score from move one.
Pick the kind of Theodorou game you want to study and jump straight to a named replay route.
The Direct Attack Route
Focus plan: Start with Radjabov, then compare Dominguez and Arjun.
These teaser positions show the key moment before you open the full replay.
Radjabov miniature
Model moment: Nikolas Theodorou vs Teimour Radjabov, 24th European Teams 2023.11.17 (1-0)
A short elite win where the final knight jump keeps the black king under decisive pressure.
Example sequence: After 37 ply: final move Nf8+
Caruana counterattack
Model moment: Fabiano Caruana vs Nikolas Theodorou, US Masters 2024.11.30 (0-1)
Black turns an English Opening struggle into a queen-led attack against the exposed white king.
Example sequence: After 98 ply: final move Qc1+
Aronian Olympiad win
Model moment: Levon Aronian vs Nikolas Theodorou, 44th Olympiad 2022.08.07 (0-1)
The Olympiad silver-medal storyline gets a concrete example with a dynamic King’s Indian-style finish.
Example sequence: After 66 ply: final move Qb2
Dominguez London attack
Model moment: Nikolas Theodorou vs Dominguez Perez, Leinier, London Chess Classic Super Rapidplay 2025.12.07 (1-0)
A London System setup becomes a direct kingside attack in rapidplay conditions.
Example sequence: After 77 ply: final move Qf6
Arjun pressure point
Model moment: Nikolas Theodorou vs Erigaisi Arjun, Sharjah Masters 2024.05.15 (1-0)
White’s rook lift and queen pressure make the kingside difficult for Black to hold.
Example sequence: After 55 ply: final move Qg6
Vakhidov promotion finish
Model moment: Nikolas Theodorou vs J Vakhidov, UzChess Cup Challengers 2025.06.24 (1-0)
The passed f-pawn reaches the promotion square after a forcing attack against the black king.
Example sequence: After 67 ply: final move f8=Q+
Use these opening cards after a replay when you want to turn the player profile into a practical study path.
<dt><a href="/nikolas-theodorou.asp">Theodorou, Nikolas</a></dt>
<dd>Study for: Greek grandmaster, 2022 Olympiad individual silver medallist, Saint Louis University standout, 2025 UzChess Cup Challengers and Biel Challengers winner, and rising FIDE Top 100 player.</dd>
Use these answers as routes into the replay lab, diagram cards, adviser and opening links.
Nikolas Theodorou is a Greek grandmaster born on 17 September 2000 in Athens. He won an individual silver medal for Greece on board two at the 2022 Chennai Olympiad and later entered the FIDE Top 100. Open the Theodorou at a glance cards to connect the biography with the replay lab.
Nikolas Theodorou is important because he combines Greek national-team success, elite university chess, and 2025 breakout tournament wins. His Olympiad score of +6 =3 -0 and later Top 100 entry make him more than a one-result player. Start with the Olympiad and breakout cards to see the career pattern.
Nikolas Theodorou became a grandmaster in 2021. He had already earned the International Master title in 2016 and developed through Greek chess, Saint Louis University, and international tournaments. Use the timeline cards before choosing a replay game.
The supplied profile gives Nikolas Theodorou a peak rating of 2656 in November 2025. That same month is also listed as his peak world ranking point, at No. 60. Use the rating and ranking cards to place the replay games in context.
The supplied profile gives Nikolas Theodorou a FIDE rating of 2634 in June 2026. It also lists him as world No. 98 at that time, keeping him inside the Top 100. Use the at-a-glance cards for the current profile snapshot.
Nikolas Theodorou scored +6 =3 -0 on board two for Greece at the 2022 Chennai Olympiad and won individual silver. The supplied replay set includes his win over Levon Aronian from that Olympiad. Load the Aronian replay to study the board-two medal route.
Yes, Nikolas Theodorou beat Fabiano Caruana with Black at the 2024 US Masters. The game features an English Opening structure where Black turns kingside pressure and queen activity into a decisive attack. Load the Caruana replay to follow the conversion.
Yes, Nikolas Theodorou beat Teimour Radjabov in a 2023 European Team Championship game. The game is a short Petroff-style tactical miniature ending with a forcing knight move. Use the Radjabov miniature diagram before opening the full replay.
Yes, Nikolas Theodorou beat Levon Aronian with Black at the 2022 Chennai Olympiad. The game fits his individual silver-medal storyline and shows dynamic King’s Indian-style attacking play. Load the Aronian Olympiad replay to see the central breakthrough.
Yes, Nikolas Theodorou beat Arjun Erigaisi at the 2024 Sharjah Masters. The game shows a Queen’s Gambit structure where White’s e-pawn advance and rook lift create a direct attack. Use the Arjun diagram to track the pressure on g6.
Yes, Nikolas Theodorou beat Leinier Dominguez at the 2025 London Chess Classic Super Rapidplay. The game uses a London System setup and ends with a kingside mating pattern. Load the Dominguez replay to connect the London structure with the attack.
Start with Nikolas Theodorou’s win over Teimour Radjabov. It is short, tactical, and gives the page its clearest quick-study miniature. Use the Radjabov miniature diagram and then open the replay selector.
The Radjabov, Aronian, Arjun, and Vakhidov games are the clearest attacking examples. Each game uses forcing moves rather than slow manoeuvring, with direct pressure on the king or promotion square. Start with the Diagram Lab to compare the tactical finishes.
The Caruana game best shows Theodorou’s defensive resilience turning into counterplay. Black absorbs pressure in an English Opening structure and then uses queen activity, rook pressure, and passed threats to win. Load the Caruana replay for the best defence-to-attack route.
The Aronian game best shows Theodorou’s Olympiad strength. It was played during the 2022 Chennai Olympiad where he scored an unbeaten board-two silver-medal result. Use the Aronian Olympiad replay to study the medal-performance example.
The UzChess Cup Challengers games best show Theodorou’s 2025 breakout. The supplied set includes wins over Suyarov, Sivuk, Madaminov, Vakhidov, and Ma Qun from that winning campaign. Use the UzChess replay group for the tournament arc.
The replay set leans heavily toward Queen’s Gambit structures, King’s Indian structures, English Opening positions, and London System ideas. Those openings match Theodorou’s practical blend of classical central play and dynamic kingside chances. Use the opening-route cards after one replay.
The Queen’s Gambit route fits several Theodorou games, including Abasov, Arjun, Madaminov, and Vakhidov. The structures often lead to central tension, piece activity, and timely kingside attacks. Use the Queen’s Gambit card after the Arjun or Vakhidov replay.
The King’s Indian Defence route fits the Aronian, Chandran, and Gumularz games. These examples show Black using pawn storms, central breaks, and king pressure. Use the King’s Indian Defence card after the Aronian replay.
The English Opening route fits the Caruana and Abramovic games. The positions show how flank openings can still become sharp when the centre opens and kingside weaknesses appear. Use the English Opening card after the Caruana replay.
The London System route fits the Dominguez rapidplay win and several Bf4 structure games. The page shows that London-style development can still lead to direct attacks rather than quiet equality. Use the London System card after the Dominguez replay.
Club players can learn how to turn familiar opening structures into active attacking plans. The Radjabov miniature, Arjun win, and Dominguez London game all show clear forcing ideas. Use the Study Adviser to pick the right first replay.
Advanced players can study how Theodorou links preparation, structure, and dynamic conversion against elite opponents. The Caruana, Aronian, Arjun, and UzChess games show high-level decision-making across different pawn structures. Use the replay selector’s elite-opponent and breakout groups.
The fastest study route is Radjabov, Arjun, and Dominguez. Those three games give a miniature, an elite tactical win, and a rapidplay London attack. Use the Study Adviser’s quick attack option to load that path.
The deepest study route is Caruana, Aronian, and the UzChess Cup group. That sequence covers elite defence, Olympiad attacking play, and a full breakout tournament arc. Use the Study Adviser’s deep preparation option to start with Caruana.
Theodorou’s Physics, Mathematics, and Biostatistics background reinforces his analytical-player image. The supplied profile connects him to Saint Louis University, collegiate chess success, and advanced academic study. Use the education card to frame the replay lab as structured calculation practice.
This page should focus on both Greek chess and global results. The Olympiad silver medal gives the Greek national-team hook, while wins over Caruana, Aronian, Radjabov, Arjun, and Dominguez give international authority. Use the career cards to balance both angles.
Theodorou should not be reduced to only a tactical player. The replay set includes direct attacks, but it also shows structural understanding in English, Queen’s Gambit, King’s Indian, and London positions. Use the Diagram Lab to compare attack, defence, and conversion examples.
The Radjabov game is special because it is a short win against a 2745-rated elite grandmaster. The forcing sequence shows how quickly a Petroff-style position can become tactically dangerous. Use the Radjabov miniature diagram to inspect the final knight move.
After one replay, follow the opening card that matches the game you chose. Queen’s Gambit fits Arjun and Vakhidov, King’s Indian fits Aronian, English fits Caruana, and London fits Dominguez. Use the opening-route cards to turn the player profile into a practical study plan.
Use Theodorou’s games to study attacking calculation, elite-opponent conversion, Greek Olympiad chess and practical opening structures.
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