Prepare against Piotr Jaroszewski
Poland · World #85,939 classical · FIDE ID 21810249
When preparing against Piotr Jaroszewski, expect 1.e4 in 59% of White games. Against 1.e4 the reply is 1...e5 (67% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 30 games by Piotr Jaroszewski, covering Sep 2018 to Nov 2026. Below you'll find Piotr Jaroszewski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Piotr Jaroszewski 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 | 1,773 | 1,775 | Aug 2025 |
| Rapid | 1,618 | 1,654 | Aug 2024 |
| Blitz | 1,642 | 1,652 | Aug 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 10 | 9 | 11 | 33.3% |
| As White | 17 | 8 | 4 | 5 | 47.1% |
| As Black | 13 | 2 | 5 | 6 | 15.4% |
FIDE rated record
From FIDE's official rated-game ledger (2013-2026): 431 rated games against 377 different opponents, across 50 events in 3 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 219 | 79 | 52 | 88 | 36.1% | 1,535 | 1,494 | 13 |
| Rapid | 71 | 27 | 12 | 32 | 38.0% | 1,549 | 1,443 | 8 |
| Blitz | 141 | 53 | 22 | 66 | 37.6% | 1,559 | 1,454 | 6 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 190 | 39 | 46 | 105 | 20.5% |
| Against lower-rated | 105 | 59 | 23 | 23 | 56.2% |
Wins over titled players: 3 vs CM · 1 vs WCM.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 27 | 8 | 4 | 15 | 1,810 | 1,706 |
| 2025 | 40 | 17 | 7 | 16 | 1,744 | 1,711 |
| 2024 | 95 | 44 | 20 | 31 | 1,618 | 1,643 |
| 2023 | 103 | 32 | 26 | 45 | 1,526 | 1,453 |
| 2022 | 72 | 29 | 17 | 26 | 1,416 | 1,363 |
| 2021 | 8 | 1 | 4 | 3 | 1,182 | 1,082 |
| 2019 | 6 | 4 | 0 | 2 | 1,248 | 848 |
| 2018 | 23 | 6 | 2 | 15 | 1,381 | 1,114 |
| 2016 | 14 | 4 | 1 | 9 | 1,147 | 867 |
| 2015 | 17 | 7 | 2 | 8 | 1,304 | 904 |
| 2014 | 17 | 5 | 2 | 10 | 1,517 | 1,184 |
| 2013 | 9 | 2 | 1 | 6 | – | – |
Where Piotr Jaroszewski has played
Poland (46) · Czechia (2) · Slovakia (2)
Move-by-move preparation stats
Straight from the preparation tree built over all of Piotr Jaroszewski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Piotr Jaroszewski's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 10 | 58.8% | 75.0% |
| g3 | 6 | 35.3% | 33.3% |
| c4 | 1 | 5.9% | 50.0% |
Main lines as White
- 1.e4 — 59% of White games, 75.0% score
- …c5 (60% of these games) — Jaroszewski usually continues Nf3 (75.0% score)
- …e5 (30% of these games) — Jaroszewski usually continues Nf3 (66.7% score)
- …c6 (10% of these games) — Jaroszewski usually continues d4 (100.0% score)
- 1.g3 — 35% of White games, 33.3% score
- …d5 (67% of these games) — Jaroszewski usually continues Nf3 (50.0% score)
- …Nf6 (33% of these games) — Jaroszewski usually continues Nf3 (0.0% score)
As Black against 1.e4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 4 | 66.7% | 12.5% |
| c5 | 1 | 16.7% | 0.0% |
| Nc6 | 1 | 16.7% | 0.0% |
As Black against 1.d4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 100.0% | 62.5% |
Piotr Jaroszewski's chess games
All 30 games by Piotr Jaroszewski in the Chess.ceo database (Sep 2018 - Nov 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: 10 wins, 9 draws, 11 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Réti Opening | 4 | 2/0/2 | 50.0% |
| B33 | Sicilian | 2 | 1/1/0 | 50.0% |
| E62 | King's Indian Defense: Fianchetto Variation | 2 | 0/0/2 | 0.0% |
| B70 | Sicilian: Dragon | 1 | 0/1/0 | 0.0% |
| D35 | English Opening | 1 | 0/1/0 | 0.0% |
| B92 | Sicilian: Najdorf | 1 | 1/0/0 | 100.0% |
| C55 | Italian Game | 1 | 1/0/0 | 100.0% |
| C54 | Italian Game: Giuoco Pianissimo | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E12 | Queen's Indian Defense | 2 | 0/2/0 | 0.0% |
| A35 | English Opening | 1 | 1/0/0 | 100.0% |
| B37 | English Opening: Symmetrical | 1 | 0/1/0 | 0.0% |
| C50 | Italian Game: Giuoco Pianissimo | 1 | 0/0/1 | 0.0% |
| E20 | Nimzo-Indian: Kmoch Variation | 1 | 1/0/0 | 100.0% |
| B01 | Nimzowitsch Defense: Scandinavian Variation | 1 | 0/0/1 | 0.0% |
| D78 | Réti Opening | 1 | 0/0/1 | 0.0% |
| C28 | Bishop's Opening | 1 | 0/0/1 | 0.0% |
| C45 | Scotch Game | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Arkadiusz Hladki | 1,979 | Rubinstein Chess Festival 2026 - Open B | A35 |
| Aug 2026 | Jakub Lewczuk | 1,914 | Rubinstein Chess Festival 2026 - Open B | D02 |
| Aug 2026 | Weronika Bukala | 1,890 | Rubinstein Chess Festival 2026 - Open C | A08 |
| Jul 2023 | Jan Mrkvik | 1,791 | Piestany Slovakia Open B | E20 |
| Jul 2023 | Jozef Benci | 1,783 | Piestany Slovakia Open B | B92 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Piestany Slovakia Open B | 2023 | 9 | 4 | 1,681 |
| Rubinstein Chess Festival 2026 - Open C | 2026 | 8 | 4 | 1,773 |
| Rubinstein Chess Festival 2025 - Open D | 2025 | 7 | 4 | 1,690 |
| Rubinstein Chess Festival 2026 - Open B | 2026 | 6 | 2.5 | 1,831 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Piotr Jaroszewski's chess games?
30 games by Piotr Jaroszewski, from Sep 2018 to Nov 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 Piotr Jaroszewski has played.
What does Piotr Jaroszewski play on the first move as White?
Across 17 games with White in our database, Piotr Jaroszewski opens with 1.e4 (59% of games), 1.g3 (35% of games), 1.c4 (6% of games). Against 1.e4 as Black, Piotr Jaroszewski answers 1...e5 (67% of games), 1...c5 (17% of games), 1...Nc6 (17% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Piotr Jaroszewski play as White?
As White, Piotr Jaroszewski's most-played openings in our database are: Réti Opening (4 games, 50.0% win rate); Sicilian (2 games, 50.0% win rate); King's Indian Defense: Fianchetto Variation (2 games, 0.0% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Piotr Jaroszewski play as Black?
As Black, Piotr Jaroszewski most often plays: Queen's Indian Defense (2 games, 0.0% win rate); English Opening (1 games, 100.0% win rate); English Opening: Symmetrical (1 games, 0.0% win rate). See the table above for the top ten Black openings across 13 games.
What is Piotr Jaroszewski's FIDE rating?
Piotr Jaroszewski is currently rated 1,773 in classical chess, 1,618 in rapid and 1,642 in blitz. Peak classical rating: 1,775 (Aug 2025).
How many games has Piotr Jaroszewski played?
Our database contains 30 games by Piotr Jaroszewski, covering Sep 2018 to Nov 2026. Overall record: 10 wins, 9 draws, 11 losses (33.3% win rate).
How do I prepare against Piotr Jaroszewski?
30 games by Piotr Jaroszewski 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.