Prepare against Jaroslav Lener
Czechia · World #72,593 classical · FIDE ID 330035
When preparing against Jaroslav Lener, expect 1.Nf3 in 94% of White games. Against 1.e4 the reply is 1...c5 (83% of games); against 1.d4, 1...Nf6 (94%). Lowest win rate among frequent openings: Réti Opening as White, 44.0% over 25 games.
Our database contains 173 games by Jaroslav Lener, covering Aug 2014 to Aug 2026. Below you'll find Jaroslav Lener's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jaroslav Lener 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 | 1,812 | 2,132 | Apr 2015 |
| Rapid | 1,813 | 1,813 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 173 | 64 | 64 | 45 | 37.0% |
| As White | 86 | 30 | 40 | 16 | 34.9% |
| As Black | 87 | 34 | 24 | 29 | 39.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jaroslav Lener's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jaroslav Lener's side.
First moves as White (86 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 81 | 94.2% | 59.3% |
| d4 | 4 | 4.7% | 37.5% |
| c4 | 1 | 1.2% | 50.0% |
Main lines as White
- 1.Nf3 — 94% of White games, 59.3% score
- …Nf6 (47% of these games) — Lener usually continues d4 (67.9% score)
- …d5 (22% of these games) — Lener usually continues d4 (55.0% score)
- …g6 (10% of these games) — Lener usually continues g3 (50.0% score)
- 1.d4 — 5% of White games, 37.5% score
- …d5 (50% of these games) — Lener usually continues Bf4 (50.0% score)
- …f5 (25% of these games) — Lener usually continues Nc3 (50.0% score)
- …Nf6 (25% of these games) — Lener usually continues c4 (0.0% score)
As Black against 1.e4 (59 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 49 | 83.1% | 50.0% |
| b6 | 6 | 10.2% | 66.7% |
| e5 | 3 | 5.1% | 100.0% |
| e6 | 1 | 1.7% | 0.0% |
As Black against 1.d4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 15 | 93.8% | 56.7% |
| d5 | 1 | 6.3% | 100.0% |
Jaroslav Lener's chess games
All 173 games by Jaroslav Lener in the Chess.ceo database (Aug 2014 - 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: 64 wins, 64 draws, 45 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Réti Opening | 25 | 11/11/3 | 44.0% |
| A38 | English Opening | 12 | 0/8/4 | 0.0% |
| D03 | Torre Attack | 8 | 4/4/0 | 50.0% |
| B06 | Modern Defense | 7 | 4/1/2 | 57.1% |
| D00 | Queen's Pawn Game | 7 | 2/4/1 | 28.6% |
| E94 | King's Indian Defense: Orthodox Variation | 4 | 2/1/1 | 50.0% |
| A30 | English Opening: Symmetrical | 4 | 2/1/1 | 50.0% |
| A16 | Réti Opening: Symmetrical Defense | 3 | 1/2/0 | 33.3% |
| A46 | Indian Defense | 3 | 0/1/2 | 0.0% |
| A28 | English Opening: Reverse Sicilian | 2 | 1/1/0 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 26 | 12/9/5 | 46.2% |
| A53 | Indian Defense | 9 | 4/4/1 | 44.4% |
| B23 | Sicilian: Closed | 8 | 1/3/4 | 12.5% |
| B00 | Owen Defense | 6 | 4/0/2 | 66.7% |
| B21 | Sicilian: Smith-Morra Gambit | 4 | 1/0/3 | 25.0% |
| A31 | Sicilian: Accelerated Dragon | 3 | 1/1/1 | 33.3% |
| B22 | Sicilian: Alapin | 3 | 2/0/1 | 66.7% |
| A22 | English Opening: Reverse Sicilian | 3 | 1/0/2 | 33.3% |
| A39 | English Opening | 2 | 0/2/0 | 0.0% |
| A02 | Bird's opening | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2005 | Pavol Sedlacek | 2,208 | Klatovy Open B | A53 |
| Jan 1997 | Hana Kubikova | 2,190 | Plzen KB Open C U18 | D90 |
| Jul 2014 | Jakub Routner | 2,158 | Klatovy Open | A26 |
| Jan 1997 | Frantisek Adamek | 2,050 | Plzen KB Open C U18 | A80 |
| Jan 1997 | Radoslav1 Dolezal | 2,045 | Klatovy Open B | A00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Klatovy Open B | 2013 | 81 | 49 | 1,832 |
| Klatovy Open | 2014 | 9 | 4.5 | 2,132 |
| 23rd Klatovy Open B | 2017 | 9 | 5 | 1,744 |
| 9th Plzen Open C | 2003 | 9 | 5.5 | 1,810 |
| Plzen Open D U18 | 1999 | 9 | 4.5 | – |
| Klatovy Open A | 2000 | 9 | 4 | 1,946 |
| 24th Klatovy Open B | 2018 | 9 | 5.5 | 1,694 |
| 2nd Teplice Open | 2007 | 9 | 4 | 2,026 |
Interactive opening tree from all 173 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jaroslav Lener's chess games?
173 games by Jaroslav Lener, from Aug 2014 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 Jaroslav Lener has played.
What does Jaroslav Lener play on the first move as White?
Across 86 games with White in our database, Jaroslav Lener opens with 1.Nf3 (94% of games), 1.d4 (5% of games), 1.c4 (1% of games). Against 1.e4 as Black, Jaroslav Lener answers 1...c5 (83% of games), 1...b6 (10% of games), 1...e5 (5% of games). Against 1.d4: 1...Nf6 (94% of games), 1...d5 (6% of games).
What openings does Jaroslav Lener play as White?
As White, Jaroslav Lener's most-played openings in our database are: Réti Opening (25 games, 44.0% win rate); English Opening (12 games, 0.0% win rate); Torre Attack (8 games, 50.0% win rate). The full breakdown of 86 games with White is in the table above.
What openings does Jaroslav Lener play as Black?
As Black, Jaroslav Lener most often plays: Sicilian (26 games, 46.2% win rate); Indian Defense (9 games, 44.4% win rate); Sicilian: Closed (8 games, 12.5% win rate). See the table above for the top ten Black openings across 87 games.
What is Jaroslav Lener's FIDE rating?
Jaroslav Lener is currently rated 1,812 in classical chess, 1,813 in rapid. Peak classical rating: 2,132 (Apr 2015).
How many games has Jaroslav Lener played?
Our database contains 173 games by Jaroslav Lener, covering Aug 2014 to Aug 2026. Overall record: 64 wins, 64 draws, 45 losses (37.0% win rate).
How do I prepare against Jaroslav Lener?
173 games by Jaroslav Lener 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.