Prepare against Jan Komarow-Dereniowski
Poland · World #79,119 classical · FIDE ID 91127092
When preparing against Jan Komarow-Dereniowski, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...c5 (91% of games); against 1.d4, 1...Nf6 (83%).
Our database contains 36 games by Jan Komarow-Dereniowski, covering Mar 2024 to Nov 2026. Below you'll find Jan Komarow-Dereniowski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Komarow-Dereniowski 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 | 1,795 | 1,795 | Nov 2026 |
| Rapid | 1,842 | 1,842 | Nov 2026 |
| Blitz | 1,663 | 1,707 | Aug 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 36 | 10 | 10 | 16 | 27.8% |
| As White | 17 | 1 | 7 | 9 | 5.9% |
| As Black | 19 | 9 | 3 | 7 | 47.4% |
FIDE rated record
From FIDE's official rated-game ledger (2009-2026): 431 rated games against 353 different opponents, across 54 events in 1 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 | 157 | 57 | 36 | 64 | 36.3% | 1,680 | 1,638 | 10 |
| Rapid | 172 | 79 | 27 | 66 | 45.9% | 1,640 | 1,640 | 12 |
| Blitz | 102 | 47 | 9 | 46 | 46.1% | 1,676 | 1,655 | 5 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 224 | 61 | 33 | 130 | 27.2% |
| Against lower-rated | 146 | 85 | 31 | 30 | 58.2% |
Wins over titled players: 1 vs CM · 1 vs WFM.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 92 | 35 | 23 | 34 | 1,725 | 1,725 |
| 2025 | 184 | 86 | 26 | 72 | 1,681 | 1,697 |
| 2024 | 144 | 55 | 22 | 67 | 1,612 | 1,520 |
| 2023 | 9 | 6 | 0 | 3 | 1,053 | 1,053 |
| 2009 | 2 | 1 | 1 | 0 | 1,704 | 1,704 |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Komarow-Dereniowski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Komarow-Dereniowski's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 17 | 100.0% | 26.5% |
Main lines as White
- 1.e4 — 100% of White games, 26.5% score
- …c5 (47% of these games) — Komarow-Dereniowski usually continues Nf3 (16.7% score)
- …e6 (24% of these games) — Komarow-Dereniowski usually continues d4 (25.0% score)
- …e5 (12% of these games) — Komarow-Dereniowski usually continues Nf3 (75.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 10 | 90.9% | 60.0% |
| d6 | 1 | 9.1% | 100.0% |
As Black against 1.d4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 83.3% | 50.0% |
| d5 | 1 | 16.7% | 100.0% |
Jan Komarow-Dereniowski's chess games
All 36 games by Jan Komarow-Dereniowski in the Chess.ceo database (Mar 2024 - 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, 10 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 3 | 0/0/3 | 0.0% |
| B20 | Sicilian: Snyder Variation | 2 | 0/0/2 | 0.0% |
| C18 | French: Winawer Variation | 2 | 0/1/1 | 0.0% |
| C42 | Petrov's Defense | 1 | 1/0/0 | 100.0% |
| B07 | Pirc Defense | 1 | 0/1/0 | 0.0% |
| B27 | Sicilian: Hyperaccelerated Dragon | 1 | 0/1/0 | 0.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/0/1 | 0.0% |
| B12 | Caro-Kann: Fantasy Variation | 1 | 0/0/1 | 0.0% |
| B48 | Sicilian: Taimanov | 1 | 0/1/0 | 0.0% |
| C13 | French: Classical Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 5 | 2/2/1 | 40.0% |
| A57 | Benoni Defense | 3 | 1/0/2 | 33.3% |
| A15 | English Opening | 2 | 0/0/2 | 0.0% |
| B76 | Sicilian: Dragon | 2 | 1/0/1 | 50.0% |
| A48 | Indian Defense | 1 | 1/0/0 | 100.0% |
| B09 | Pirc Defense | 1 | 1/0/0 | 100.0% |
| B31 | Sicilian: Rossolimo | 1 | 1/0/0 | 100.0% |
| D10 | Slav Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Karol Kozak | 1,866 | Rubinstein Chess Festival 2026 - Open B | B32 |
| Aug 2026 | Martin Roebke | 1,863 | Adolf Anderssen Chess Festival 2026 - OPEN B | C42 |
| Aug 2026 | Agnieszka Kotkowska | 1,840 | Adolf Anderssen Chess Festival 2026 - OPEN B | B76 |
| Feb 2026 | Wojciech Pelczarski | 1,834 | XIII Puchar Dolnośląskiego Związku Szchowego | A57 |
| May 2026 | Tymoteusz Lachacz | 1,805 | Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 1-10 | B31 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 1-10 | 2026 | 9 | 4 | 1,756 |
| Adolf Anderssen Chess Festival 2026 - OPEN B | 2026 | 9 | 3.5 | 1,761 |
| XIII Puchar Dolnośląskiego Związku Szchowego | 2026 | 6 | 3 | 1,716 |
| Rubinstein Chess Festival 2026 - Open B | 2026 | 6 | 2 | 1,736 |
| Rubinstein Chess Festival 2025 - Open D | 2025 | 5 | 2.5 | 1,528 |
| ch-POL Rapid 2025 | 2025 | 1 | 0 | 1,691 |
Interactive opening tree from all 36 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Komarow-Dereniowski's chess games?
36 games by Jan Komarow-Dereniowski, from Mar 2024 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 Jan Komarow-Dereniowski has played.
What does Jan Komarow-Dereniowski play on the first move as White?
Across 17 games with White in our database, Jan Komarow-Dereniowski opens with 1.e4 (100% of games). Against 1.e4 as Black, Jan Komarow-Dereniowski answers 1...c5 (91% of games), 1...d6 (9% of games). Against 1.d4: 1...Nf6 (83% of games), 1...d5 (17% of games).
What openings does Jan Komarow-Dereniowski play as White?
As White, Jan Komarow-Dereniowski's most-played openings in our database are: Sicilian (3 games, 0.0% win rate); Sicilian: Snyder Variation (2 games, 0.0% win rate); French: Winawer Variation (2 games, 0.0% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Jan Komarow-Dereniowski play as Black?
As Black, Jan Komarow-Dereniowski most often plays: Sicilian (5 games, 40.0% win rate); Benoni Defense (3 games, 33.3% win rate); English Opening (2 games, 0.0% win rate). See the table above for the top ten Black openings across 19 games.
What is Jan Komarow-Dereniowski's FIDE rating?
Jan Komarow-Dereniowski is currently rated 1,795 in classical chess, 1,842 in rapid and 1,663 in blitz. Peak classical rating: 1,795 (Nov 2026).
How many games has Jan Komarow-Dereniowski played?
Our database contains 36 games by Jan Komarow-Dereniowski, covering Mar 2024 to Nov 2026. Overall record: 10 wins, 10 draws, 16 losses (27.8% win rate).
How do I prepare against Jan Komarow-Dereniowski?
36 games by Jan Komarow-Dereniowski 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.