Prepare against Jiri Prenosil
Czechia · World #18,489 classical · FIDE ID 339660
When preparing against Jiri Prenosil, expect 1.Nf3 in 55% of White games. Against 1.e4 the reply is 1...e5 (60% of games); against 1.d4, 1...Nf6 (67%).
Our database contains 51 games by Jiri Prenosil, covering Jul 2009 to Jul 2026. Below you'll find Jiri Prenosil's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jiri Prenosil 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 | 2,070 | 2,116 | Apr 2014 |
| Rapid | 2,058 | 2,063 | Feb 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 51 | 16 | 18 | 17 | 31.4% |
| As White | 22 | 9 | 8 | 5 | 40.9% |
| As Black | 29 | 7 | 10 | 12 | 24.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jiri Prenosil's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jiri Prenosil's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 12 | 54.5% | 54.2% |
| e4 | 10 | 45.5% | 65.0% |
Main lines as White
- 1.Nf3 — 55% of White games, 54.2% score
- …Nf6 (50% of these games) — Prenosil usually continues g3 (70.0% score)
- …d5 (25% of these games) — Prenosil usually continues c4 (50.0% score)
- …g6 (17% of these games) — Prenosil usually continues g3 (25.0% score)
- 1.e4 — 45% of White games, 65.0% score
- …e5 (40% of these games) — Prenosil usually continues Nf3 (66.7% score)
- …c5 (20% of these games) — Prenosil usually continues c4 (25.0% score)
- …e6 (20% of these games) — Prenosil usually continues d3 (100.0% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 9 | 60.0% | 38.9% |
| g6 | 4 | 26.7% | 62.5% |
| c5 | 1 | 6.7% | 0.0% |
| e6 | 1 | 6.7% | 0.0% |
As Black against 1.d4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 66.7% | 25.0% |
| d6 | 2 | 22.2% | 75.0% |
| f5 | 1 | 11.1% | 100.0% |
Jiri Prenosil's chess games
All 51 games by Jiri Prenosil in the Chess.ceo database (Jul 2009 - 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: 16 wins, 18 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A09 | Réti Opening | 4 | 2/2/0 | 50.0% |
| C47 | Four Knights Game: Scotch Variation | 2 | 2/0/0 | 100.0% |
| A07 | King's Indian Attack | 2 | 1/1/0 | 50.0% |
| A33 | Sicilian | 2 | 0/1/1 | 0.0% |
| B10 | Caro-Kann | 2 | 0/2/0 | 0.0% |
| A37 | Modern Defense | 1 | 0/0/1 | 0.0% |
| E68 | Old Indian | 1 | 1/0/0 | 100.0% |
| A26 | Réti Opening: Symmetrical Defense | 1 | 0/1/0 | 0.0% |
| D31 | Semi-Slav Defense | 1 | 0/0/1 | 0.0% |
| D11 | Slav Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B06 | Modern Defense | 5 | 3/1/1 | 60.0% |
| C42 | Petrov's Defense | 4 | 1/2/1 | 25.0% |
| A04 | Dutch Defense | 3 | 2/1/0 | 66.7% |
| C47 | Four Knights Game: Scotch Variation | 3 | 1/1/1 | 33.3% |
| A16 | English Opening | 2 | 0/0/2 | 0.0% |
| E91 | King's Indian Defense: Orthodox Variation | 1 | 0/1/0 | 0.0% |
| E38 | Nimzo-Indian: Classical Variation | 1 | 0/0/1 | 0.0% |
| A80 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| A47 | Queen's Indian Defense | 1 | 0/1/0 | 0.0% |
| A41 | Rat Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1998 | Miroslav Skola | 2,240 | Ostrava Open | C04 |
| Jan 1997 | Ladislav Lukes | 2,185 | Znojmo Open A | A09 |
| Dec 2008 | Simon Macharacek | 2,179 | chT2E-CZE 0809 | C47 |
| Oct 2008 | Pavel Dubina | 2,157 | chT2E-CZE 0809 | A34 |
| Mar 2009 | Karel Kratochvil | 2,108 | chT2E-CZE 0809 | A42 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT2E-CZE 0809 | 2009 | 11 | 5.5 | 2,123 |
| chT2E-CZE 2223 | 2023 | 11 | 3 | 1,868 |
| Ostrava Open | 1998 | 10 | 3.5 | 2,045 |
| chT-CZE 2F 1718 | 2018 | 10 | 7.5 | 2,180 |
| Znojmo Open A | 1997 | 9 | 5.5 | 2,105 |
Interactive opening tree from all 51 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jiri Prenosil's chess games?
51 games by Jiri Prenosil, from Jul 2009 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 Jiri Prenosil has played.
What does Jiri Prenosil play on the first move as White?
Across 22 games with White in our database, Jiri Prenosil opens with 1.Nf3 (55% of games), 1.e4 (45% of games). Against 1.e4 as Black, Jiri Prenosil answers 1...e5 (60% of games), 1...g6 (27% of games), 1...c5 (7% of games). Against 1.d4: 1...Nf6 (67% of games), 1...d6 (22% of games), 1...f5 (11% of games).
What openings does Jiri Prenosil play as White?
As White, Jiri Prenosil's most-played openings in our database are: Réti Opening (4 games, 50.0% win rate); Four Knights Game: Scotch Variation (2 games, 100.0% win rate); King's Indian Attack (2 games, 50.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Jiri Prenosil play as Black?
As Black, Jiri Prenosil most often plays: Modern Defense (5 games, 60.0% win rate); Petrov's Defense (4 games, 25.0% win rate); Dutch Defense (3 games, 66.7% win rate). See the table above for the top ten Black openings across 29 games.
What is Jiri Prenosil's FIDE rating?
Jiri Prenosil is currently rated 2,070 in classical chess, 2,058 in rapid. Peak classical rating: 2,116 (Apr 2014).
How many games has Jiri Prenosil played?
Our database contains 51 games by Jiri Prenosil, covering Jul 2009 to Jul 2026. Overall record: 16 wins, 18 draws, 17 losses (31.4% win rate).
How do I prepare against Jiri Prenosil?
51 games by Jiri Prenosil 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.