Prepare against Petr Mach
Czechia · World #92,309 classical · FIDE ID 391344
Our database contains 30 games by Petr Mach, covering Oct 2015 to Aug 2026. Below you'll find Petr Mach's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Petr Mach 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 | 1,751 | 1,795 | Jun 2025 |
| Rapid | 1,768 | 1,768 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 8 | 11 | 11 | 26.7% |
| As White | 14 | 4 | 5 | 5 | 28.6% |
| As Black | 16 | 4 | 6 | 6 | 25.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Petr Mach's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Petr Mach's side.
First moves as White (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 6 | 42.9% | 75.0% |
| Nf3 | 4 | 28.6% | 0.0% |
| d4 | 3 | 21.4% | 50.0% |
| c4 | 1 | 7.1% | 50.0% |
Main lines as White
- 1.e4 — 43% of White games, 75.0% score
- …e5 (33% of these games) — Mach usually continues Nf3 (50.0% score)
- …e6 (33% of these games) — Mach usually continues d4 (75.0% score)
- …c5 (17% of these games) — Mach usually continues Nf3 (100.0% score)
- 1.Nf3 — 29% of White games, 0.0% score
- …Nf6 (25% of these games) — Mach usually continues g3 (0.0% score)
- …d6 (25% of these games) — Mach usually continues d4 (0.0% score)
- …Nc6 (25% of these games) — Mach usually continues d4 (0.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 3 | 33.3% | 50.0% |
| e5 | 3 | 33.3% | 33.3% |
| c5 | 3 | 33.3% | 66.7% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 2 | 66.7% | 25.0% |
| Nf6 | 1 | 33.3% | 100.0% |
Petr Mach's chess games
All 30 games by Petr Mach in the Chess.ceo database (Oct 2015 - 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: 8 wins, 11 draws, 11 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A04 | Réti Opening | 2 | 0/0/2 | 0.0% |
| C01 | French: Exchange Variation | 2 | 1/1/0 | 50.0% |
| A46 | Indian Defense | 1 | 0/1/0 | 0.0% |
| E97 | King's Indian Defense: Orthodox Variation | 1 | 0/1/0 | 0.0% |
| B00 | King's Pawn Game | 1 | 1/0/0 | 100.0% |
| D02 | London System | 1 | 0/1/0 | 0.0% |
| E51 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
| C60 | Ruy Lopez | 1 | 1/0/0 | 100.0% |
| C67 | Ruy Lopez: Berlin Defense | 1 | 0/0/1 | 0.0% |
| A05 | English Opening | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 3 | 0/1/2 | 0.0% |
| C00 | King's Indian Attack | 2 | 0/2/0 | 0.0% |
| C42 | Petrov's Defense | 2 | 0/0/2 | 0.0% |
| A08 | Réti Opening | 2 | 0/0/2 | 0.0% |
| B45 | Sicilian: Four Knights | 2 | 1/1/0 | 50.0% |
| C00 | French Defense | 1 | 0/1/0 | 0.0% |
| B22 | Sicilian: Alapin | 1 | 0/1/0 | 0.0% |
| C20 | King's Pawn Game: MacLeod Attack | 1 | 1/0/0 | 100.0% |
| A56 | Benoni Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2018 | Pavel Nemecek | 1,886 | 14th Prague Golden Open | C01 |
| Aug 2026 | Ralf Hantusch | 1,850 | Adolf Anderssen Chess Festival 2026 - Senior OPEN | ? |
| Aug 2026 | Jan Kalveus | 1,809 | Adolf Anderssen Chess Festival 2026 - Senior OPEN | B00 |
| Jul 2018 | Zdenek Vit | 1,707 | 14th Prague Golden Open | B46 |
| Jan 2022 | Jiri Trefilik | 1,525 | 20th Prague Open B | C60 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 14th Prague Golden Open | 2018 | 9 | 4.5 | 1,802 |
| Adolf Anderssen Chess Festival 2026 - Senior OPEN | 2026 | 8 | 3 | 1,901 |
| 13th Prague Golden Open | 2017 | 8 | 3.5 | 1,730 |
| Prague Open B 19th | 2020 | 3 | 0.5 | 1,682 |
| 20th Prague Open B | 2022 | 2 | 2 | 1,882 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Petr Mach's chess games?
30 games by Petr Mach, from Oct 2015 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 Petr Mach has played.
What does Petr Mach play on the first move as White?
Across 14 games with White in our database, Petr Mach opens with 1.e4 (43% of games), 1.Nf3 (29% of games), 1.d4 (21% of games). Against 1.e4 as Black, Petr Mach answers 1...e6 (33% of games), 1...e5 (33% of games), 1...c5 (33% of games). Against 1.d4: 1...d5 (67% of games), 1...Nf6 (33% of games).
What openings does Petr Mach play as White?
As White, Petr Mach's most-played openings in our database are: Réti Opening (2 games, 0.0% win rate); French: Exchange Variation (2 games, 50.0% win rate); Indian Defense (1 games, 0.0% win rate). The full breakdown of 14 games with White is in the table above.
What openings does Petr Mach play as Black?
As Black, Petr Mach most often plays: Slav Defense (3 games, 0.0% win rate); King's Indian Attack (2 games, 0.0% win rate); Petrov's Defense (2 games, 0.0% win rate). See the table above for the top ten Black openings across 16 games.
What is Petr Mach's FIDE rating?
Petr Mach is currently rated 1,751 in classical chess, 1,768 in rapid. Peak classical rating: 1,795 (Jun 2025).
How many games has Petr Mach played?
Our database contains 30 games by Petr Mach, covering Oct 2015 to Aug 2026. Overall record: 8 wins, 11 draws, 11 losses (26.7% win rate).
How do I prepare against Petr Mach?
30 games by Petr Mach 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.