Prepare against Jan Siles
Czechia · World #33,533 classical · FIDE ID 23715405
When preparing against Jan Siles, expect 1.d4 in 64% of White games. Against 1.e4 the reply is 1...c5 (88% of games); against 1.d4, 1...d5 (93%).
Our database contains 79 games by Jan Siles, covering Oct 2017 to Sep 2026. Below you'll find Jan Siles's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Siles 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 | 1,967 | 2,073 | Oct 2024 |
| Rapid | 1,902 | 1,902 | Sep 2026 |
| Blitz | 1,982 | 1,982 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 79 | 31 | 15 | 33 | 39.2% |
| As White | 42 | 19 | 5 | 18 | 45.2% |
| As Black | 37 | 12 | 10 | 15 | 32.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Siles's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Siles's side.
First moves as White (42 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 27 | 64.3% | 46.3% |
| e4 | 11 | 26.2% | 68.2% |
| f4 | 3 | 7.1% | 50.0% |
| Nf3 | 1 | 2.4% | 0.0% |
Main lines as White
- 1.d4 — 64% of White games, 46.3% score
- …Nf6 (48% of these games) — Siles usually continues Nf3 (50.0% score)
- …d5 (37% of these games) — Siles usually continues c4 (25.0% score)
- …d6 (4% of these games) — Siles usually continues Nf3 (0.0% score)
- 1.e4 — 26% of White games, 68.2% score
- …c5 (36% of these games) — Siles usually continues Nf3 (25.0% score)
- …e5 (27% of these games) — Siles usually continues Nf3 (66.7% score)
- …c6 (18% of these games) — Siles usually continues d4 (50.0% score)
As Black against 1.e4 (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 15 | 88.2% | 50.0% |
| d5 | 1 | 5.9% | 0.0% |
| g6 | 1 | 5.9% | 50.0% |
As Black against 1.d4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 14 | 93.3% | 50.0% |
| Nf6 | 1 | 6.7% | 0.0% |
Jan Siles's chess games
All 79 games by Jan Siles in the Chess.ceo database (Oct 2017 - 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: 31 wins, 15 draws, 33 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D00 | Queen's Pawn Game: Chigorin Variation | 5 | 3/1/1 | 60.0% |
| A02 | Bird's opening | 3 | 1/1/1 | 33.3% |
| A45 | Trompowsky Attack | 3 | 3/0/0 | 100.0% |
| A41 | Indian Defense | 3 | 1/0/2 | 33.3% |
| B12 | Caro-Kann: Fantasy Variation | 2 | 1/0/1 | 50.0% |
| D80 | Grünfeld Defense | 2 | 1/1/0 | 50.0% |
| D12 | Slav Defense | 2 | 1/0/1 | 50.0% |
| C50 | Italian Game | 2 | 1/0/1 | 50.0% |
| D02 | London System | 2 | 0/1/1 | 0.0% |
| A36 | Sicilian | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D36 | Queen's Gambit Declined | 5 | 2/1/2 | 40.0% |
| B22 | Sicilian | 5 | 1/0/4 | 20.0% |
| B35 | Sicilian: Accelerated Dragon | 5 | 3/2/0 | 60.0% |
| D05 | Indian Defense | 3 | 1/1/1 | 33.3% |
| B27 | Sicilian: Hyperaccelerated Dragon | 3 | 1/1/1 | 33.3% |
| D08 | Albin Countergambit | 2 | 0/1/1 | 0.0% |
| D02 | London System | 2 | 1/1/0 | 50.0% |
| A07 | Réti Opening | 2 | 0/1/1 | 0.0% |
| A85 | Semi-Slav Defense | 1 | 1/0/0 | 100.0% |
| B73 | Sicilian: Closed | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2025 | Matous Hlavina | 2,245 | chT-CZE 1 Liga Zapad | B27 |
| Aug 2022 | Rudolf Jun | 2,165 | 20th Ricany Open | A36 |
| Sep 2022 | Sebastian Placer | 2,090 | 20th Ricany Open | C00 |
| May 2023 | Tomas Bezdek | 2,076 | ch-CZE Amateur | D50 |
| Oct 2022 | Pavel Fencl | 2,029 | chT-Mid Bohemia Region 2223 | D33 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CZE U14 | 2022 | 17 | 10 | 1,727 |
| ch-EU Union U10 | 2019 | 9 | 5 | 1,301 |
| Ricany Open | 2023 | 9 | 4.5 | 1,789 |
| 20th Ricany Open | 2022 | 9 | 6.5 | 2,175 |
| Ricany Open A 2026 | 2026 | 9 | 4.5 | 1,952 |
| chT-Mid Bohemia Region 2223 | 2023 | 6 | 2 | 1,879 |
| ch-CZE Amateur | 2023 | 6 | 1.5 | 1,846 |
| ch-EU U16 | 2024 | 3 | 0 | 1,825 |
Interactive opening tree from all 79 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Siles's chess games?
79 games by Jan Siles, from Oct 2017 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 Siles has played.
What does Jan Siles play on the first move as White?
Across 42 games with White in our database, Jan Siles opens with 1.d4 (64% of games), 1.e4 (26% of games), 1.f4 (7% of games). Against 1.e4 as Black, Jan Siles answers 1...c5 (88% of games), 1...d5 (6% of games), 1...g6 (6% of games). Against 1.d4: 1...d5 (93% of games), 1...Nf6 (7% of games).
What openings does Jan Siles play as White?
As White, Jan Siles's most-played openings in our database are: Queen's Pawn Game: Chigorin Variation (5 games, 60.0% win rate); Bird's opening (3 games, 33.3% win rate); Trompowsky Attack (3 games, 100.0% win rate). The full breakdown of 42 games with White is in the table above.
What openings does Jan Siles play as Black?
As Black, Jan Siles most often plays: Queen's Gambit Declined (5 games, 40.0% win rate); Sicilian (5 games, 20.0% win rate); Sicilian: Accelerated Dragon (5 games, 60.0% win rate). See the table above for the top ten Black openings across 37 games.
What is Jan Siles's FIDE rating?
Jan Siles is currently rated 1,967 in classical chess, 1,902 in rapid and 1,982 in blitz. Peak classical rating: 2,073 (Oct 2024).
How many games has Jan Siles played?
Our database contains 79 games by Jan Siles, covering Oct 2017 to Sep 2026. Overall record: 31 wins, 15 draws, 33 losses (39.2% win rate).
How do I prepare against Jan Siles?
79 games by Jan Siles 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.