Prepare against Jeno Kosa
Serbia · World #26,700 classical · FIDE ID 909742
When preparing against Jeno Kosa, expect 1.d4 in 64% of White games. Against 1.e4 the reply is 1...c6 (45% of games); against 1.d4, 1...Nf6 (96%). Lowest win rate among frequent openings: Catalan as White, 44.4% over 18 games.
Our database contains 173 games by Jeno Kosa, covering Apr 2003 to Jul 2026. Below you'll find Jeno Kosa's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jeno Kosa 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 | 2,006 | 2,155 | Apr 2008 |
| Rapid | 1,985 | 2,104 | Mar 2015 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 173 | 65 | 70 | 38 | 37.6% |
| As White | 90 | 28 | 45 | 17 | 31.1% |
| As Black | 83 | 37 | 25 | 21 | 44.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jeno Kosa's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jeno Kosa's side.
First moves as White (90 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 58 | 64.4% | 56.0% |
| e4 | 26 | 28.9% | 55.8% |
| Nf3 | 5 | 5.6% | 50.0% |
| c4 | 1 | 1.1% | 100.0% |
Main lines as White
- 1.d4 — 64% of White games, 56.0% score
- …Nf6 (55% of these games) — Kosa usually continues c4 (63.9% score)
- …d5 (31% of these games) — Kosa usually continues c4 (54.2% score)
- …f5 (7% of these games) — Kosa usually continues Nf3 (75.0% score)
- 1.e4 — 29% of White games, 55.8% score
- …c5 (38% of these games) — Kosa usually continues Nc3 (62.5% score)
- …e5 (23% of these games) — Kosa usually continues Nf3 (58.3% score)
- …c6 (12% of these games) — Kosa usually continues Nc3 (75.0% score)
As Black against 1.e4 (44 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 20 | 45.5% | 55.0% |
| c5 | 17 | 38.6% | 70.6% |
| e5 | 4 | 9.1% | 25.0% |
| d6 | 2 | 4.5% | 0.0% |
| d5 | 1 | 2.3% | 100.0% |
As Black against 1.d4 (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 25 | 96.2% | 62.0% |
| c6 | 1 | 3.8% | 0.0% |
Jeno Kosa's chess games
All 173 games by Jeno Kosa 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: 65 wins, 70 draws, 38 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E09 | Catalan | 18 | 8/9/1 | 44.4% |
| E61 | Indian Defense | 9 | 1/6/2 | 11.1% |
| D78 | Queen's Pawn Game | 6 | 4/1/1 | 66.7% |
| D13 | Slav Defense | 5 | 2/0/3 | 40.0% |
| B23 | Sicilian: Closed | 4 | 2/1/1 | 50.0% |
| A80 | Dutch Defense | 4 | 1/3/0 | 25.0% |
| A34 | Sicilian | 3 | 0/3/0 | 0.0% |
| E61 | King's Indian Defense | 3 | 1/1/1 | 33.3% |
| B22 | Sicilian: Alapin | 3 | 1/2/0 | 33.3% |
| B11 | Caro-Kann: Two Knights Variation | 2 | 1/1/0 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D94 | Grünfeld Defense | 9 | 5/3/1 | 55.6% |
| B27 | Sicilian: Hyperaccelerated Dragon | 7 | 3/2/2 | 42.9% |
| B10 | Caro-Kann | 6 | 3/2/1 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 5 | 1/2/2 | 20.0% |
| A35 | Sicilian: Accelerated Dragon | 4 | 3/0/1 | 75.0% |
| B13 | Caro-Kann: Exchange Variation | 4 | 3/1/0 | 75.0% |
| B19 | Caro-Kann: Classical | 4 | 1/0/3 | 25.0% |
| D61 | Nimzo-Indian: Classical Variation | 3 | 1/1/1 | 33.3% |
| C90 | Ruy Lopez: Closed | 3 | 0/2/1 | 0.0% |
| B33 | Sicilian: Sveshnikov | 3 | 3/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2008 | Bela Meszaros | 2,306 | ch-Subotica | E32 |
| Mar 2020 | Attila N Nagy | 2,242 | ch-Subotica Open | D79 |
| Mar 2014 | Istvan Pajzer | 2,157 | ch-Subotica | D93 |
| Dec 2012 | Jozsef Halasi | 2,146 | ch-Backa Topola | E69 |
| Jul 2010 | Faruk Osmanovic | 2,140 | 14th Senta Open A | B19 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Subotica | 2014 | 39 | 24 | 2,176 |
| ch-Backa Topola | 2012 | 27 | 17 | 2,075 |
| ch-Subotica Open | 2020 | 26 | 16.5 | 2,140 |
| 42nd Harkany Tenkes Cup | 2018 | 9 | 3.5 | 1,886 |
| 14th Senta Open A | 2010 | 9 | 4.5 | 2,177 |
| ch-Subotica City | 2019 | 9 | 5 | 2,046 |
| 13th Senta Open A | 2009 | 9 | 3.5 | 2,070 |
| chT2-HUN Asztalos 1819 | 2019 | 9 | 5 | 1,998 |
Interactive opening tree from all 173 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jeno Kosa's chess games?
173 games by Jeno Kosa, 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 Jeno Kosa has played.
What does Jeno Kosa play on the first move as White?
Across 90 games with White in our database, Jeno Kosa opens with 1.d4 (64% of games), 1.e4 (29% of games), 1.Nf3 (6% of games). Against 1.e4 as Black, Jeno Kosa answers 1...c6 (45% of games), 1...c5 (39% of games), 1...e5 (9% of games). Against 1.d4: 1...Nf6 (96% of games), 1...c6 (4% of games).
What openings does Jeno Kosa play as White?
As White, Jeno Kosa's most-played openings in our database are: Catalan (18 games, 44.4% win rate); Indian Defense (9 games, 11.1% win rate); Queen's Pawn Game (6 games, 66.7% win rate). The full breakdown of 90 games with White is in the table above.
What openings does Jeno Kosa play as Black?
As Black, Jeno Kosa most often plays: Grünfeld Defense (9 games, 55.6% win rate); Sicilian: Hyperaccelerated Dragon (7 games, 42.9% win rate); Caro-Kann (6 games, 50.0% win rate). See the table above for the top ten Black openings across 83 games.
What is Jeno Kosa's FIDE rating?
Jeno Kosa is currently rated 2,006 in classical chess, 1,985 in rapid. Peak classical rating: 2,155 (Apr 2008).
How many games has Jeno Kosa played?
Our database contains 173 games by Jeno Kosa, covering Apr 2003 to Jul 2026. Overall record: 65 wins, 70 draws, 38 losses (37.6% win rate).
How do I prepare against Jeno Kosa?
173 games by Jeno Kosa 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.