Prepare against Petr Mares
Czechia · World #52,191 classical · FIDE ID 333638
When preparing against Petr Mares, expect 1.Nf3 in 75% of White games. Against 1.e4 the reply is 1...g6 (85% of games); against 1.d4, 1...Nf6 (63%). Lowest win rate among frequent openings: Modern Defense as Black, 18.8% over 16 games.
Our database contains 43 games by Petr Mares, covering Oct 2007 to Jul 2026. Below you'll find Petr Mares's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Petr Mares 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 | 1,884 | 2,122 | Apr 2009 |
| Rapid | 1,977 | 1,988 | May 2012 |
| Blitz | 1,924 | 2,003 | Mar 2012 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 43 | 7 | 20 | 16 | 16.3% |
| As White | 20 | 3 | 10 | 7 | 15.0% |
| As Black | 23 | 4 | 10 | 9 | 17.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Petr Mares's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Petr Mares's side.
First moves as White (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 15 | 75.0% | 36.7% |
| e4 | 5 | 25.0% | 50.0% |
Main lines as White
- 1.Nf3 — 75% of White games, 36.7% score
- …d5 (53% of these games) — Mares usually continues g3 (37.5% score)
- …Nf6 (40% of these games) — Mares usually continues g3 (33.3% score)
- …d6 (7% of these games) — Mares usually continues g3 (50.0% score)
- 1.e4 — 25% of White games, 50.0% score
- …c5 (60% of these games) — Mares usually continues Nc3 (25.0% score)
- …c6 (20% of these games) — Mares usually continues d3 (50.0% score)
- …d5 (20% of these games) — Mares usually continues d3 (50.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| g6 | 11 | 84.6% | 40.9% |
| d6 | 2 | 15.4% | 0.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 62.5% | 40.0% |
| g6 | 3 | 37.5% | 33.3% |
Petr Mares's chess games
All 43 games by Petr Mares in the Chess.ceo database (Oct 2007 - 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: 7 wins, 20 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A07 | Réti Opening | 9 | 2/3/4 | 22.2% |
| A07 | King's Indian Attack | 3 | 0/2/1 | 0.0% |
| B25 | Sicilian: Closed | 2 | 0/1/1 | 0.0% |
| A05 | Réti Opening: Symmetrical Defense | 2 | 0/1/1 | 0.0% |
| B10 | Caro-Kann | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense | 1 | 0/1/0 | 0.0% |
| B20 | Sicilian | 1 | 1/0/0 | 100.0% |
| A29 | English Opening: Reverse Sicilian | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A42 | Modern Defense | 16 | 3/8/5 | 18.8% |
| E92 | King's Indian Defense: Orthodox Variation | 2 | 0/2/0 | 0.0% |
| E80 | King's Indian: Sämisch | 1 | 0/0/1 | 0.0% |
| E68 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| C41 | Philidor | 1 | 0/0/1 | 0.0% |
| B09 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| A48 | Torre Attack | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2010 | Milos Milostny | 2,060 | chT2D-CZE 1011 | A07 |
| Nov 2014 | Martin Kaisler | 2,041 | chT-CZE 2D 1415 | A42 |
| Feb 2013 | Martin Petraz | 2,007 | chT2D-CZE 1213 | A21 |
| Jan 2013 | Jan Novotny | 1,959 | chT2D-CZE 1213 | E68 |
| Dec 2011 | Lukas Sikora | 1,947 | chT2D-CZE 1112 | B20 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT2D-CZE 1213 | 2013 | 10 | 4.5 | 2,034 |
| chT2D-CZE 1011 | 2011 | 9 | 3.5 | 2,018 |
| chT-Pardubice Region 2223 | 2023 | 6 | 1.5 | 1,772 |
| chT2D-CZE 1112 | 2012 | 6 | 2.5 | 1,946 |
| chT-CZE 2D 1415 | 2015 | 5 | 2.5 | 2,082 |
| chT2D-CZE 1314 | 2014 | 4 | 2.5 | 2,051 |
| chT-CZE 2D 1617 | 2017 | 2 | 0 | 1,631 |
| chT2D-CZE 2122 | 2021 | 1 | 0 | 1,625 |
Interactive opening tree from all 43 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Petr Mares's chess games?
43 games by Petr Mares, from Oct 2007 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 Petr Mares has played.
What does Petr Mares play on the first move as White?
Across 20 games with White in our database, Petr Mares opens with 1.Nf3 (75% of games), 1.e4 (25% of games). Against 1.e4 as Black, Petr Mares answers 1...g6 (85% of games), 1...d6 (15% of games). Against 1.d4: 1...Nf6 (63% of games), 1...g6 (38% of games).
What openings does Petr Mares play as White?
As White, Petr Mares's most-played openings in our database are: Réti Opening (9 games, 22.2% win rate); King's Indian Attack (3 games, 0.0% win rate); Sicilian: Closed (2 games, 0.0% win rate). The full breakdown of 20 games with White is in the table above.
What openings does Petr Mares play as Black?
As Black, Petr Mares most often plays: Modern Defense (16 games, 18.8% win rate); King's Indian Defense: Orthodox Variation (2 games, 0.0% win rate); King's Indian: Sämisch (1 games, 0.0% win rate). See the table above for the top ten Black openings across 23 games.
What is Petr Mares's FIDE rating?
Petr Mares is currently rated 1,884 in classical chess, 1,977 in rapid and 1,924 in blitz. Peak classical rating: 2,122 (Apr 2009).
How many games has Petr Mares played?
Our database contains 43 games by Petr Mares, covering Oct 2007 to Jul 2026. Overall record: 7 wins, 20 draws, 16 losses (16.3% win rate).
How do I prepare against Petr Mares?
43 games by Petr Mares 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.