Theodoros Sideris vs Georgios Nikolaou
Theodoros Sideris (1870) · FM Georgios Nikolaou (2149)
Theodoros Sideris and Georgios Nikolaou have played 14 recorded games against each other, the first in Sep 2012 and the most recent in Aug 2026. Sideris leads 1 wins to 9 - trailing overall, with 4 draws (71% of the games were decisive). Their most common battleground is the Sicilian: Alapin (3 games). The average game between them lasted 48 moves.
Results by color
| Split | Games | Sideris | Draws | Nikolaou |
|---|---|---|---|---|
| Sideris with White | 5 | 0 | 1 | 4 |
| Nikolaou with White | 9 | 1 | 3 | 5 |
Results by time format
| Format | Games | Sideris | Draws | Nikolaou |
|---|---|---|---|---|
| Classical | 14 | 1 | 4 | 9 |
Openings in their games
| ECO | Opening | Games | Sideris | Draws | Nikolaou |
|---|---|---|---|---|---|
| B22 | Sicilian: Alapin | 3 | 0 | 1 | 2 |
| A39 | English Opening | 1 | 0 | 0 | 1 |
| A46 | Indian Defense | 1 | 0 | 0 | 1 |
| B21 | Sicilian: Smith-Morra Gambit | 1 | 0 | 0 | 1 |
| B50 | Sicilian | 1 | 0 | 0 | 1 |
| D02 | Indian Defense | 1 | 1 | 0 | 0 |
| D12 | Slav Defense | 1 | 0 | 1 | 0 |
| E16 | Queen's Indian Defense | 1 | 0 | 1 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Aug 2026 | Georgios Nikolaou | Theodoros Sideris | 1-0 | English Opening | 16th 'Papanastasio' Open Tournament 2026 | A Group |
| Sep 2023 | Georgios Nikolaou | Theodoros Sideris | 1/2-1/2 | Queen's Indian Defense | Athens Papanastasio Open 13th |
| Sep 2019 | Theodoros Sideris | Georgios Nikolaou | 0-1 | Sicilian | 1st Aspropyrgos Open A |
| Feb 2018 | Theodoros Sideris | Georgios Nikolaou | 0-1 | Sicilian: Smith-Morra Gambit | 14th Athens Siaperas Memorial |
| Dec 2017 | Georgios Nikolaou | Theodoros Sideris | 1-0 | English Opening | Ambelokipi Open 166th |
| Mar 2017 | Theodoros Sideris | Georgios Nikolaou | 0-1 | Sicilian: Alapin | 163rd Ambelokipi Open |
| Feb 2017 | Georgios Nikolaou | Theodoros Sideris | 0-1 | Indian Defense | 13th Athens Siaperas Memorial |
| Mar 2016 | Georgios Nikolaou | Theodoros Sideris | 1-0 | Indian Defense | Ambelokipi Open 158th |
| Jan 2016 | Theodoros Sideris | Georgios Nikolaou | 1/2-1/2 | Sicilian: Alapin | 157th Ambelokipi Open |
| Nov 2015 | Georgios Nikolaou | Theodoros Sideris | 1/2-1/2 | Slav Defense | 155th Ambelokipi Open |
| Mar 2015 | Theodoros Sideris | Georgios Nikolaou | 0-1 | Sicilian: Alapin | Athens Georgiou Memorial 1st |
| Jul 2014 | Georgios Nikolaou | Theodoros Sideris | 1/2-1/2 | Réti Opening: Symmetrical Defense | Ambelokipi Open 146th |
| Jan 2014 | Georgios Nikolaou | Theodoros Sideris | 1-0 | Queen's Pawn Game | 141st Ambelokipi Open |
| Sep 2012 | Georgios Nikolaou | Theodoros Sideris | 1-0 | Indian Defense | Ambelokipi Open 127th |
Interactive board, all 14 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Theodoros Sideris and Georgios Nikolaou?
In 14 recorded games, Theodoros Sideris has 1 wins, Georgios Nikolaou has 9 wins, and they have drawn 4 times.
How many times have Theodoros Sideris and Georgios Nikolaou played each other?
Our database records 14 games between them, from Sep 2012 to Aug 2026.
What openings do Theodoros Sideris and Georgios Nikolaou play against each other?
The most common opening in their games is the Sicilian: Alapin (3 games), followed by the English Opening (1). The full opening breakdown and every game are on this page.