Prepare against Costin-Valeriu Cozianu
FM · Romania · World #3,022 classical · FIDE ID 1200810
Our database contains 174 games by Costin-Valeriu Cozianu, covering Apr 2003 to Jul 2026. Below you'll find Costin-Valeriu Cozianu's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Costin-Valeriu Cozianu 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 | 2,337 | 2,446 | Jan 2011 |
| Rapid | 2,312 | 2,328 | May 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 174 | 52 | 82 | 40 | 29.9% |
| As White | 83 | 32 | 36 | 15 | 38.6% |
| As Black | 91 | 20 | 46 | 25 | 22.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Costin-Valeriu Cozianu's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Costin-Valeriu Cozianu's side.
First moves as White (83 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 60 | 72.3% | 63.3% |
| d4 | 12 | 14.5% | 54.2% |
| c4 | 6 | 7.2% | 50.0% |
| Nf3 | 4 | 4.8% | 50.0% |
| e3 | 1 | 1.2% | 50.0% |
Main lines as White
- 1.e4 — 72% of White games, 63.3% score
- …c5 (47% of these games) — Cozianu usually continues Nf3 (68.5% score)
- …e6 (22% of these games) — Cozianu usually continues d4 (46.2% score)
- …e5 (18% of these games) — Cozianu usually continues Nf3 (59.1% score)
- 1.d4 — 14% of White games, 54.2% score
- …Nf6 (58% of these games) — Cozianu usually continues c4 (62.5% score)
- …f5 (17% of these games) — Cozianu usually continues c4 (0.0% score)
- …d5 (17% of these games) — Cozianu usually continues c4 (50.0% score)
As Black against 1.e4 (40 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 34 | 85.0% | 50.0% |
| c5 | 5 | 12.5% | 60.0% |
| c6 | 1 | 2.5% | 50.0% |
As Black against 1.d4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 15 | 53.6% | 50.0% |
| f5 | 6 | 21.4% | 50.0% |
| Nf6 | 5 | 17.9% | 40.0% |
| e6 | 1 | 3.6% | 50.0% |
| c5 | 1 | 3.6% | 0.0% |
Costin-Valeriu Cozianu's chess games
All 174 games by Costin-Valeriu Cozianu in the Chess.ceo database (Apr 2003 - Jul 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: 52 wins, 82 draws, 40 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C02 | French: Advance Variation | 9 | 4/1/4 | 44.4% |
| B52 | Sicilian: Moscow Variation | 8 | 4/3/1 | 50.0% |
| B20 | Sicilian | 6 | 2/3/1 | 33.3% |
| E01 | Catalan | 6 | 4/1/1 | 66.7% |
| B07 | Modern Defense | 5 | 3/2/0 | 60.0% |
| B31 | Sicilian: Rossolimo | 4 | 2/0/2 | 50.0% |
| B81 | Sicilian: Scheveningen | 4 | 3/1/0 | 75.0% |
| A21 | English Opening: Reverse Sicilian | 3 | 0/2/1 | 0.0% |
| A11 | Réti Opening | 3 | 0/3/0 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A80 | Dutch Defense | 7 | 1/5/1 | 14.3% |
| C77 | Ruy Lopez: Morphy Defense | 7 | 1/3/3 | 14.3% |
| A06 | Slav Defense | 7 | 1/4/2 | 14.3% |
| C80 | Ruy Lopez: Open | 6 | 1/5/0 | 16.7% |
| D31 | Semi-Slav Defense | 5 | 2/2/1 | 40.0% |
| C84 | Ruy Lopez: Closed | 4 | 0/2/2 | 0.0% |
| C45 | Scotch Game | 4 | 2/2/0 | 50.0% |
| C54 | Italian Game: Classical Variation | 4 | 0/3/1 | 0.0% |
| A21 | English Opening: Reverse Sicilian | 3 | 0/1/2 | 0.0% |
| D30 | Queen's Gambit Declined | 3 | 0/2/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2010 | Joel Benjamin | 2,556 | USA tt | B13 |
| Nov 2010 | Rogelio Barcenilla | 2,518 | USA Titled Tue qf | E66 |
| Jan 1997 | George-Gabriel Grigore | 2,465 | chT-ROM | E32 |
| May 2010 | Slava Mikhailuk | 2,436 | Washington Open | B31 |
| Sep 2010 | Marcel Martinez | 2,431 | USA tt | C88 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Washington State | 2016 | 33 | 19.5 | 2,302 |
| chT-ROM | 2024 | 32 | 17.5 | 2,439 |
| USA tt | 2015 | 29 | 8 | 2,262 |
| ch-ROM | 1994 | 13 | 4 | 2,291 |
| Washington Open | 2015 | 11 | 8.5 | 2,418 |
| ch-ROM U20 | 1993 | 11 | 6 | 2,316 |
| Redmond PNWCC | 2023 | 10 | 6 | 2,353 |
| ch-ROU 2026 | 2026 | 9 | 5 | 2,299 |
Interactive opening tree from all 174 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Costin-Valeriu Cozianu's chess games?
174 games by Costin-Valeriu Cozianu, from Apr 2003 to Jul 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 Costin-Valeriu Cozianu has played.
What does Costin-Valeriu Cozianu play on the first move as White?
Across 83 games with White in our database, Costin-Valeriu Cozianu opens with 1.e4 (72% of games), 1.d4 (14% of games), 1.c4 (7% of games). Against 1.e4 as Black, Costin-Valeriu Cozianu answers 1...e5 (85% of games), 1...c5 (13% of games), 1...c6 (3% of games). Against 1.d4: 1...d5 (54% of games), 1...f5 (21% of games), 1...Nf6 (18% of games).
What openings does Costin-Valeriu Cozianu play as White?
As White, Costin-Valeriu Cozianu's most-played openings in our database are: French: Advance Variation (9 games, 44.4% win rate); Sicilian: Moscow Variation (8 games, 50.0% win rate); Sicilian (6 games, 33.3% win rate). The full breakdown of 83 games with White is in the table above.
What openings does Costin-Valeriu Cozianu play as Black?
As Black, Costin-Valeriu Cozianu most often plays: Dutch Defense (7 games, 14.3% win rate); Ruy Lopez: Morphy Defense (7 games, 14.3% win rate); Slav Defense (7 games, 14.3% win rate). See the table above for the top ten Black openings across 91 games.
What is Costin-Valeriu Cozianu's FIDE rating?
Costin-Valeriu Cozianu is currently rated 2,337 in classical chess, 2,312 in rapid. Peak classical rating: 2,446 (Jan 2011).
How many games has Costin-Valeriu Cozianu played?
Our database contains 174 games by Costin-Valeriu Cozianu, covering Apr 2003 to Jul 2026. Overall record: 52 wins, 82 draws, 40 losses (29.9% win rate).
How do I prepare against Costin-Valeriu Cozianu?
174 games by Costin-Valeriu Cozianu 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.