Prepare against Jan Masek
Czechia · World #62,910 classical · FIDE ID 318515
When preparing against Jan Masek, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...Nf6 (80%).
Our database contains 111 games by Jan Masek, covering Oct 2003 to Sep 2026. Below you'll find Jan Masek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Masek 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 | 1,845 | 2,071 | Jul 2004 |
| Rapid | 1,944 | 1,996 | Mar 2012 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 111 | 45 | 22 | 44 | 40.5% |
| As White | 51 | 20 | 11 | 20 | 39.2% |
| As Black | 60 | 25 | 11 | 24 | 41.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Masek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Masek's side.
First moves as White (51 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 51 | 100.0% | 50.0% |
Main lines as White
- 1.e4 — 100% of White games, 50.0% score
- …c5 (35% of these games) — Masek usually continues Bc4 (58.3% score)
- …e5 (18% of these games) — Masek usually continues Nf3 (66.7% score)
- …e6 (18% of these games) — Masek usually continues d4 (44.4% score)
As Black against 1.e4 (29 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 29 | 100.0% | 46.6% |
As Black against 1.d4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 12 | 80.0% | 62.5% |
| f5 | 3 | 20.0% | 16.7% |
Jan Masek's chess games
All 111 games by Jan Masek in the Chess.ceo database (Oct 2003 - 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: 45 wins, 22 draws, 44 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 12 | 6/2/4 | 50.0% |
| C06 | French: Tarrasch Variation | 7 | 2/1/4 | 28.6% |
| B23 | Sicilian: Closed | 6 | 3/0/3 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 3 | 1/1/1 | 33.3% |
| B01 | Scandinavian Defense: Modern Variation | 3 | 0/1/2 | 0.0% |
| B00 | Nimzowitsch Defense: Scandinavian Variation | 2 | 0/1/1 | 0.0% |
| B07 | Philidor | 2 | 0/1/1 | 0.0% |
| C42 | Petrov's Defense | 2 | 2/0/0 | 100.0% |
| B07 | Pirc Defense | 2 | 1/0/1 | 50.0% |
| C02 | French: Advance Variation | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C89 | Ruy Lopez: Closed | 9 | 3/2/4 | 33.3% |
| A57 | Benoni Defense | 8 | 2/2/4 | 25.0% |
| A22 | English Opening: Reverse Sicilian | 7 | 3/1/3 | 42.9% |
| C50 | Italian Game | 5 | 2/0/3 | 40.0% |
| C45 | Scotch Game | 5 | 2/1/2 | 40.0% |
| A31 | English Opening | 4 | 3/0/1 | 75.0% |
| A04 | Dutch Defense | 4 | 0/1/3 | 0.0% |
| C29 | Vienna Game | 3 | 0/1/2 | 0.0% |
| A84 | English Opening: Dutch Defense | 2 | 2/0/0 | 100.0% |
| C63 | Ruy Lopez: Schliemann | 2 | 2/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2014 | Josef Novotny | 2,130 | chT2D-CZE 1314 | C01 |
| Aug 2011 | Roman Svarc | 2,125 | 23rd Jirasek Memorial Open | A22 |
| Aug 2011 | Frantisek Hinz | 2,015 | 23rd Jirasek Memorial Open | B21 |
| Aug 2011 | Jaroslav Zboril | 1,989 | 23rd Jirasek Memorial Open | D00 |
| Aug 2013 | Anton Ostrochovsky | 1,984 | Senica Open 5th | B50 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT2D-CZE 1314 | 2014 | 10 | 2.5 | 1,929 |
| 23rd Klatovy Open B | 2017 | 9 | 7.5 | 2,012 |
| 23rd Jirasek Memorial Open | 2011 | 9 | 5.5 | 2,136 |
| Open Klatovy 2026 | Open B | 2026 | 9 | 6 | 1,844 |
| 29th Klatovy Open B | 2023 | 9 | 6.5 | 1,760 |
| 24th Klatovy Open B | 2018 | 9 | 6 | 1,854 |
| Jirasek Memorial Open 24th | 2012 | 9 | 4 | 1,927 |
| Senica Open 5th | 2013 | 9 | 4.5 | 1,842 |
Interactive opening tree from all 111 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Masek's chess games?
111 games by Jan Masek, from Oct 2003 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 Jan Masek has played.
What does Jan Masek play on the first move as White?
Across 51 games with White in our database, Jan Masek opens with 1.e4 (100% of games). Against 1.e4 as Black, Jan Masek answers 1...e5 (100% of games). Against 1.d4: 1...Nf6 (80% of games), 1...f5 (20% of games).
What openings does Jan Masek play as White?
As White, Jan Masek's most-played openings in our database are: Sicilian (12 games, 50.0% win rate); French: Tarrasch Variation (7 games, 28.6% win rate); Sicilian: Closed (6 games, 50.0% win rate). The full breakdown of 51 games with White is in the table above.
What openings does Jan Masek play as Black?
As Black, Jan Masek most often plays: Ruy Lopez: Closed (9 games, 33.3% win rate); Benoni Defense (8 games, 25.0% win rate); English Opening: Reverse Sicilian (7 games, 42.9% win rate). See the table above for the top ten Black openings across 60 games.
What is Jan Masek's FIDE rating?
Jan Masek is currently rated 1,845 in classical chess, 1,944 in rapid. Peak classical rating: 2,071 (Jul 2004).
How many games has Jan Masek played?
Our database contains 111 games by Jan Masek, covering Oct 2003 to Sep 2026. Overall record: 45 wins, 22 draws, 44 losses (40.5% win rate).
How do I prepare against Jan Masek?
111 games by Jan Masek 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.