Prepare against Vasileios Koudounis
GRC · World #6,902 classical · FIDE ID 25855409
Our database contains 88 games by Vasileios Koudounis, covering Jan 2017 to Aug 2026. Below you'll find Vasileios Koudounis's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Vasileios Koudounis before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,227 | 2,227 | Aug 2026 |
| Rapid | 2,084 | 2,084 | Aug 2026 |
| Blitz | 2,064 | 2,064 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 88 | 21 | 23 | 44 | 23.9% |
| As White | 44 | 13 | 12 | 19 | 29.5% |
| As Black | 44 | 8 | 11 | 25 | 18.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Vasileios Koudounis's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Vasileios Koudounis's side.
First moves as White (44 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 42 | 95.5% | 44.0% |
| Nf3 | 2 | 4.5% | 25.0% |
Main lines as White
- 1.d4 — 95% of White games, 44.0% score
- …Nf6 (76% of these games) — Koudounis usually continues c4 (38.3% score)
- …d5 (21% of these games) — Koudounis usually continues c4 (66.7% score)
- …e6 (2% of these games) — Koudounis usually continues c4 (100.0% score)
- 1.Nf3 — 5% of White games, 25.0% score
- …Nf6 (50% of these games) — Koudounis usually continues e3 (50.0% score)
- …d5 (50% of these games) — Koudounis usually continues g3 (0.0% score)
As Black against 1.e4 (23 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 12 | 52.2% | 25.0% |
| c5 | 11 | 47.8% | 22.7% |
As Black against 1.d4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 10 | 83.3% | 35.0% |
| Nf6 | 2 | 16.7% | 100.0% |
Vasileios Koudounis's chess games
All 88 games by Vasileios Koudounis in the Chess.ceo database (Jan 2017 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 21 wins, 23 draws, 44 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A50 | Indian Defense | 10 | 2/1/7 | 20.0% |
| E46 | Nimzo-Indian: Rubinstein System | 5 | 1/3/1 | 20.0% |
| E04 | Catalan | 4 | 3/1/0 | 75.0% |
| D85 | Grünfeld Defense | 4 | 2/1/1 | 50.0% |
| E61 | King's Indian Defense | 4 | 2/0/2 | 50.0% |
| D10 | Slav Defense | 4 | 1/2/1 | 25.0% |
| A43 | Benoni Defense | 3 | 1/0/2 | 33.3% |
| D32 | Queen's Gambit Declined | 3 | 0/2/1 | 0.0% |
| E94 | King's Indian Defense: Orthodox Variation | 2 | 0/0/2 | 0.0% |
| A05 | Réti Opening | 2 | 0/1/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B48 | Sicilian: Taimanov | 7 | 1/1/5 | 14.3% |
| C10 | French: Classical Variation | 5 | 0/1/4 | 0.0% |
| D02 | Réti Opening | 4 | 0/2/2 | 0.0% |
| D35 | Indian Defense | 4 | 3/1/0 | 75.0% |
| A13 | English Opening | 4 | 0/2/2 | 0.0% |
| E04 | Catalan | 3 | 1/1/1 | 33.3% |
| C02 | French: Advance Variation | 3 | 1/0/2 | 33.3% |
| C10 | French Defense | 3 | 1/1/1 | 33.3% |
| B40 | Sicilian | 3 | 0/0/3 | 0.0% |
| D30 | Slav Defense | 2 | 0/0/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2022 | Vojtech Zwardon | 2,503 | 15th Paleochora Open | E04 |
| Oct 2025 | Thibault Dudognon | 2,344 | 40th ECC Open | D94 |
| Aug 2022 | Antonios Kalogridis | 2,280 | 49th chT-GRE | D85 |
| Jul 2022 | Seshadri Srija | 2,208 | 15th Paracin Open A | E90 |
| Jul 2026 | Kalodoukas,Odysseas | 2,203 | 53rd TCh-GRE 2026 | D35 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Belgrade Serbia Open | 2024 | 9 | 4.5 | 2,176 |
| ch-GRE U16 | 2019 | 9 | 4 | 1,888 |
| 49th chT-GRE | 2022 | 7 | 5.5 | 2,273 |
| 53rd TCh-GRE 2026 | 2026 | 6 | 2.5 | 2,191 |
| 15th Paracin Open A | 2022 | 5 | 2 | 2,140 |
| GRE CupT final 41st | 2023 | 5 | 1.5 | 2,187 |
| 32nd Krakow Open B | 2022 | 5 | 1 | 1,758 |
| 48th chT2-GRE | 2021 | 4 | 1 | 2,122 |
Interactive opening tree from all 88 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Vasileios Koudounis's chess games?
88 games by Vasileios Koudounis, from Jan 2017 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Vasileios Koudounis has played.
What does Vasileios Koudounis play on the first move as White?
Across 44 games with White in our database, Vasileios Koudounis opens with 1.d4 (95% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Vasileios Koudounis answers 1...e6 (52% of games), 1...c5 (48% of games). Against 1.d4: 1...d5 (83% of games), 1...Nf6 (17% of games).
What openings does Vasileios Koudounis play as White?
As White, Vasileios Koudounis's most-played openings in our database are: Indian Defense (10 games, 20.0% win rate); Nimzo-Indian: Rubinstein System (5 games, 20.0% win rate); Catalan (4 games, 75.0% win rate). The full breakdown of 44 games with White is in the table above.
What openings does Vasileios Koudounis play as Black?
As Black, Vasileios Koudounis most often plays: Sicilian: Taimanov (7 games, 14.3% win rate); French: Classical Variation (5 games, 0.0% win rate); Réti Opening (4 games, 0.0% win rate). See the table above for the top ten Black openings across 44 games.
What is Vasileios Koudounis's FIDE rating?
Vasileios Koudounis is currently rated 2,227 in classical chess, 2,084 in rapid and 2,064 in blitz. Peak classical rating: 2,227 (Aug 2026).
How many games has Vasileios Koudounis played?
Our database contains 88 games by Vasileios Koudounis, covering Jan 2017 to Aug 2026. Overall record: 21 wins, 23 draws, 44 losses (23.9% win rate).
How do I prepare against Vasileios Koudounis?
88 games by Vasileios Koudounis reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.