Prepare against Maria Kosma
GRC · World #54,966 classical · FIDE ID 25879855
Our database contains 115 games by Maria Kosma, covering Dec 2018 to Aug 2026. Below you'll find Maria Kosma's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Maria Kosma 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 | 1,874 | 1,910 | Sep 2025 |
| Rapid | 1,892 | 1,943 | Dec 2025 |
| Blitz | 1,857 | 1,930 | Oct 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 115 | 54 | 25 | 36 | 47.0% |
| As White | 58 | 32 | 12 | 14 | 55.2% |
| As Black | 57 | 22 | 13 | 22 | 38.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Maria Kosma's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Maria Kosma's side.
First moves as White (58 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 43 | 74.1% | 68.6% |
| d4 | 15 | 25.9% | 56.7% |
Main lines as White
- 1.e4 — 74% of White games, 68.6% score
- …c5 (40% of these games) — Kosma usually continues Nf3 (86.7% score)
- …e5 (35% of these games) — Kosma usually continues Nf3 (53.8% score)
- …e6 (12% of these games) — Kosma usually continues d4 (60.0% score)
- 1.d4 — 26% of White games, 56.7% score
- …d5 (53% of these games) — Kosma usually continues c4 (62.5% score)
- …Nf6 (40% of these games) — Kosma usually continues c4 (41.7% score)
- …g6 (7% of these games) — Kosma usually continues c4 (100.0% score)
As Black against 1.e4 (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 24 | 96.0% | 68.8% |
| e5 | 1 | 4.0% | 50.0% |
As Black against 1.d4 (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 16 | 66.7% | 25.0% |
| d5 | 8 | 33.3% | 68.8% |
Maria Kosma's chess games
All 115 games by Maria Kosma in the Chess.ceo database (Dec 2018 - 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: 54 wins, 25 draws, 36 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B44 | Sicilian | 7 | 6/1/0 | 85.7% |
| D35 | Queen's Gambit Declined | 4 | 2/0/2 | 50.0% |
| C77 | Ruy Lopez: Morphy Defense | 4 | 2/1/1 | 50.0% |
| C95 | Ruy Lopez: Closed | 3 | 2/0/1 | 66.7% |
| E40 | Nimzo-Indian: Rubinstein System | 3 | 0/0/3 | 0.0% |
| C80 | Ruy Lopez: Open | 2 | 1/1/0 | 50.0% |
| C00 | French Defense | 2 | 1/1/0 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 2/0/0 | 100.0% |
| C02 | French: Advance Variation | 2 | 1/0/1 | 50.0% |
| E70 | King's Indian Defense | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 9 | 6/1/2 | 66.7% |
| E05 | Catalan | 7 | 2/1/4 | 28.6% |
| B23 | Sicilian: Closed | 5 | 3/0/2 | 60.0% |
| B50 | Sicilian | 4 | 2/1/1 | 50.0% |
| B51 | Sicilian: Moscow Variation | 4 | 3/1/0 | 75.0% |
| E40 | Nimzo-Indian: Rubinstein System | 4 | 1/1/2 | 25.0% |
| D02 | Queen's Pawn Game | 2 | 2/0/0 | 100.0% |
| B10 | Colle System | 2 | 0/0/2 | 0.0% |
| E34 | Nimzo-Indian: Classical Variation | 2 | 1/0/1 | 50.0% |
| A14 | English Opening: Neo-Catalan | 2 | 0/0/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2025 | Inga Khurtsilava | 2,214 | 25th ch-EUR Indiv w | B27 |
| Apr 2025 | Simona Bochnickova | 2,167 | 25th ch-EUR Indiv w | C80 |
| Jul 2025 | Evgenia Valeria Platsaki | 1,932 | 52nd chT-GRE | B30 |
| Jun 2025 | Georgia Christodoulou | 1,894 | 52nd chT-GRE | D02 |
| Jul 2026 | Danai Petkaki | 1,876 | Greek Youth U20 Individual Championships 2026 | Girls | B90 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-GRE U20 Girls | 2023 | 13 | 7.5 | 1,564 |
| 25th ch-EUR Indiv w | 2025 | 11 | 3.5 | 1,984 |
| Wch U16 Girls | 2023 | 10 | 4.5 | 1,610 |
| ch-GRE U16 Girls | 2023 | 9 | 7.5 | 1,724 |
| 1st ch-GRE Online Rapid w | 2021 | 8 | 6 | 1,411 |
| Greek Youth U20 Individual Championships 2026 | Girls | 2026 | 7 | 5 | 1,977 |
| ch-EU Amateur Online 1400/1700 | 2021 | 7 | 2 | 1,388 |
| 49th chT-GRE | 2022 | 7 | 6 | 1,638 |
Interactive opening tree from all 115 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Maria Kosma's chess games?
115 games by Maria Kosma, from Dec 2018 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 Maria Kosma has played.
What does Maria Kosma play on the first move as White?
Across 58 games with White in our database, Maria Kosma opens with 1.e4 (74% of games), 1.d4 (26% of games). Against 1.e4 as Black, Maria Kosma answers 1...c5 (96% of games), 1...e5 (4% of games). Against 1.d4: 1...Nf6 (67% of games), 1...d5 (33% of games).
What openings does Maria Kosma play as White?
As White, Maria Kosma's most-played openings in our database are: Sicilian (7 games, 85.7% win rate); Queen's Gambit Declined (4 games, 50.0% win rate); Ruy Lopez: Morphy Defense (4 games, 50.0% win rate). The full breakdown of 58 games with White is in the table above.
What openings does Maria Kosma play as Black?
As Black, Maria Kosma most often plays: Sicilian: Najdorf (9 games, 66.7% win rate); Catalan (7 games, 28.6% win rate); Sicilian: Closed (5 games, 60.0% win rate). See the table above for the top ten Black openings across 57 games.
What is Maria Kosma's FIDE rating?
Maria Kosma is currently rated 1,874 in classical chess, 1,892 in rapid and 1,857 in blitz. Peak classical rating: 1,910 (Sep 2025).
How many games has Maria Kosma played?
Our database contains 115 games by Maria Kosma, covering Dec 2018 to Aug 2026. Overall record: 54 wins, 25 draws, 36 losses (47.0% win rate).
How do I prepare against Maria Kosma?
115 games by Maria Kosma 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.