Prepare against Andreea-Marioara Cosman
WIM · Romania · World #9,319 classical · FIDE ID 1217968
When preparing against Andreea-Marioara Cosman, expect 1.d4 in 89% of White games. Against 1.e4 the reply is 1...c5 (97% of games); against 1.d4, 1...Nf6 (95%). Lowest win rate among frequent openings: English Opening: Symmetrical as Black, 15.8% over 19 games.
Our database contains 645 games by Andreea-Marioara Cosman, covering Jan 2009 to Sep 2026. Below you'll find Andreea-Marioara Cosman's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Andreea-Marioara Cosman 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 | 2,181 | 2,199 | Nov 2022 |
| Rapid | 2,133 | 2,201 | Jul 2026 |
| Blitz | 2,150 | 2,166 | Apr 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 645 | 241 | 197 | 207 | 37.4% |
| As White | 317 | 130 | 94 | 93 | 41.0% |
| As Black | 328 | 111 | 103 | 114 | 33.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Andreea-Marioara Cosman's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Andreea-Marioara Cosman's side.
First moves as White (317 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 281 | 88.6% | 55.7% |
| Nf3 | 19 | 6.0% | 55.3% |
| e4 | 10 | 3.2% | 70.0% |
| c4 | 7 | 2.2% | 42.9% |
Main lines as White
- 1.d4 — 89% of White games, 55.7% score
- …Nf6 (49% of these games) — Cosman usually continues c4 (51.1% score)
- …d5 (32% of these games) — Cosman usually continues c4 (66.1% score)
- …d6 (6% of these games) — Cosman usually continues c4 (50.0% score)
- 1.Nf3 — 6% of White games, 55.3% score
- …Nf6 (42% of these games) — Cosman usually continues b3 (50.0% score)
- …d5 (21% of these games) — Cosman usually continues b3 (50.0% score)
- …c5 (16% of these games) — Cosman usually continues c4 (50.0% score)
As Black against 1.e4 (192 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 187 | 97.4% | 54.8% |
| e6 | 3 | 1.6% | 50.0% |
| c6 | 1 | 0.5% | 100.0% |
| d6 | 1 | 0.5% | 0.0% |
As Black against 1.d4 (93 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 88 | 94.6% | 44.9% |
| d5 | 3 | 3.2% | 0.0% |
| c5 | 2 | 2.2% | 100.0% |
Andreea-Marioara Cosman's chess games
All 645 games by Andreea-Marioara Cosman in the Chess.ceo database (Jan 2009 - Sep 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: 241 wins, 197 draws, 207 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E46 | Nimzo-Indian: Rubinstein System | 43 | 9/17/17 | 20.9% |
| D35 | Indian Defense | 36 | 15/10/11 | 41.7% |
| D10 | Slav Defense | 28 | 13/10/5 | 46.4% |
| E81 | King's Indian: Sämisch | 20 | 11/2/7 | 55.0% |
| D31 | Queen's Gambit Declined | 20 | 11/7/2 | 55.0% |
| A58 | Benoni Defense | 16 | 8/1/7 | 50.0% |
| D27 | Queen's Gambit Accepted | 16 | 9/6/1 | 56.3% |
| E61 | King's Indian Defense | 13 | 8/1/4 | 61.5% |
| A81 | Dutch Defense | 12 | 5/4/3 | 41.7% |
| E97 | King's Indian Defense: Orthodox Variation | 11 | 5/2/4 | 45.5% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B50 | Sicilian | 63 | 27/21/15 | 42.9% |
| B90 | Sicilian: Najdorf | 62 | 25/21/16 | 40.3% |
| A70 | Benoni Defense | 51 | 19/9/23 | 37.3% |
| B22 | Sicilian: Alapin | 25 | 4/12/9 | 16.0% |
| B36 | English Opening: Symmetrical | 19 | 3/10/6 | 15.8% |
| B23 | Sicilian: Closed | 17 | 9/3/5 | 52.9% |
| B52 | Sicilian: Moscow Variation | 14 | 5/6/3 | 35.7% |
| B36 | Indian Defense | 12 | 1/6/5 | 8.3% |
| A38 | English Opening | 7 | 0/1/6 | 0.0% |
| A49 | King's Indian Defense: Fianchetto Variation | 6 | 1/2/3 | 16.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2020 | David Gavrilescu | 2,455 | 3rd Satu Mare Foisor Blitz | D38 |
| May 2018 | Irina Bulmaga | 2,415 | ch-ROM w | B52 |
| Dec 2023 | Ekaterina Atalik | 2,405 | chT-ROM Rapid w | A35 |
| Sep 2018 | Tuvshintugs Batchimeg | 2,367 | Olympiad Women-43 | A84 |
| Aug 2026 | Lara Schulze | 2,345 | 11th Menchik Mem 2026 | B53 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-ROM w | 2024 | 118 | 61.5 | 2,025 |
| chT-ROM w | 2024 | 63 | 36 | 2,138 |
| ch-ROM U18 Girls | 2015 | 18 | 13.5 | 1,919 |
| Djerba Online w | 2020 | 17 | 9 | 1,874 |
| ch-ROM U20 Girls | 2017 | 14 | 9 | 2,036 |
| 1st FIDE World Uni Rapid-B | 2021 | 12 | 7.5 | 2,063 |
| 21st ch-EU w | 2021 | 11 | 5 | 2,098 |
| 19th ch-EU w | 2018 | 11 | 4.5 | 2,102 |
Frequent opponents
Head-to-head records: Corina-Isabela Peptan (12 games) · Mihaela Sandu (11 games) · Elena-Luminita Cosma (10 games)
Interactive opening tree from all 645 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Andreea-Marioara Cosman's chess games?
645 games by Andreea-Marioara Cosman, from Jan 2009 to Sep 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 Andreea-Marioara Cosman has played.
What does Andreea-Marioara Cosman play on the first move as White?
Across 317 games with White in our database, Andreea-Marioara Cosman opens with 1.d4 (89% of games), 1.Nf3 (6% of games), 1.e4 (3% of games). Against 1.e4 as Black, Andreea-Marioara Cosman answers 1...c5 (97% of games), 1...e6 (2% of games), 1...c6 (1% of games). Against 1.d4: 1...Nf6 (95% of games), 1...d5 (3% of games), 1...c5 (2% of games).
What openings does Andreea-Marioara Cosman play as White?
As White, Andreea-Marioara Cosman's most-played openings in our database are: Nimzo-Indian: Rubinstein System (43 games, 20.9% win rate); Indian Defense (36 games, 41.7% win rate); Slav Defense (28 games, 46.4% win rate). The full breakdown of 317 games with White is in the table above.
What openings does Andreea-Marioara Cosman play as Black?
As Black, Andreea-Marioara Cosman most often plays: Sicilian (63 games, 42.9% win rate); Sicilian: Najdorf (62 games, 40.3% win rate); Benoni Defense (51 games, 37.3% win rate). See the table above for the top ten Black openings across 328 games.
What is Andreea-Marioara Cosman's FIDE rating?
Andreea-Marioara Cosman is currently rated 2,181 in classical chess, 2,133 in rapid and 2,150 in blitz. Peak classical rating: 2,199 (Nov 2022).
How many games has Andreea-Marioara Cosman played?
Our database contains 645 games by Andreea-Marioara Cosman, covering Jan 2009 to Sep 2026. Overall record: 241 wins, 197 draws, 207 losses (37.4% win rate).
How do I prepare against Andreea-Marioara Cosman?
645 games by Andreea-Marioara Cosman 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.