Prepare against Jacek Stefan Kotkowski
Norway · World #105,162 classical · FIDE ID 1542150
Our database contains 30 games by Jacek Stefan Kotkowski, covering Oct 2017 to Aug 2026. Below you'll find Jacek Stefan Kotkowski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jacek Stefan Kotkowski 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 | 1,714 | 1,771 | Aug 2024 |
| Rapid | 1,679 | 1,729 | Sep 2025 |
| Blitz | 1,821 | 1,822 | Jan 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 13 | 7 | 10 | 43.3% |
| As White | 15 | 7 | 2 | 6 | 46.7% |
| As Black | 15 | 6 | 5 | 4 | 40.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jacek Stefan Kotkowski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jacek Stefan Kotkowski's side.
First moves as White (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 13 | 86.7% | 53.8% |
| d4 | 1 | 6.7% | 50.0% |
| b3 | 1 | 6.7% | 50.0% |
Main lines as White
- 1.e4 — 87% of White games, 53.8% score
- …c5 (38% of these games) — Kotkowski usually continues Nf3 (40.0% score)
- …e6 (23% of these games) — Kotkowski usually continues d4 (33.3% score)
- …e5 (15% of these games) — Kotkowski usually continues Nf3 (100.0% score)
- 1.d4 — 7% of White games, 50.0% score
- …d5 (100% of these games) — Kotkowski usually continues Nf3 (50.0% score)
As Black against 1.e4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 6 | 100.0% | 33.3% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 100.0% | 71.4% |
Jacek Stefan Kotkowski's chess games
All 30 games by Jacek Stefan Kotkowski in the Chess.ceo database (Oct 2017 - 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: 13 wins, 7 draws, 10 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 4 | 1/0/3 | 25.0% |
| C00 | French Defense | 3 | 1/0/2 | 33.3% |
| A82 | King's Pawn Game | 1 | 1/0/0 | 100.0% |
| B06 | Modern Defense | 1 | 0/0/1 | 0.0% |
| A13 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| C41 | Philidor | 1 | 1/0/0 | 100.0% |
| C44 | Scotch Game | 1 | 1/0/0 | 100.0% |
| B11 | Caro-Kann: Two Knights Variation | 1 | 1/0/0 | 100.0% |
| B90 | Sicilian: Najdorf | 1 | 1/0/0 | 100.0% |
| D05 | Indian Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B87 | Sicilian: Najdorf | 3 | 0/1/2 | 0.0% |
| E32 | Nimzo-Indian: Classical Variation | 2 | 1/1/0 | 50.0% |
| A45 | Reversed Chigorin | 2 | 1/0/1 | 50.0% |
| E24 | Nimzo-Indian: Sämisch Variation | 1 | 0/1/0 | 0.0% |
| B40 | Sicilian | 1 | 0/1/0 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/1/0 | 0.0% |
| B21 | Sicilian: Grand Prix Attack | 1 | 1/0/0 | 100.0% |
| E01 | Catalan | 1 | 1/0/0 | 100.0% |
| B21 | Sicilian: Smith-Morra Gambit | 1 | 0/0/1 | 0.0% |
| A32 | English Opening | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Mateusz Kobryn | 1,849 | Adolf Anderssen Chess Festival 2026 - Rapid | A82 |
| Aug 2026 | Michal Cwiertnia | 1,838 | Adolf Anderssen Chess Festival 2026 - Rapid | A45 |
| Jan 2023 | Urs Egli | 1,808 | Wroclaw Anderssen Memorial Open B | A07 |
| Aug 2024 | Aleksander Kedzierski | 1,676 | Wroclaw Open C | E01 |
| Aug 2024 | Jakub Zeglinski | 1,623 | Wroclaw Open C | B32 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Wroclaw Anderssen Memorial Open B | 2023 | 9 | 4.5 | 1,554 |
| Adolf Anderssen Chess Festival 2026 - Rapid | 2026 | 9 | 6.5 | 1,914 |
| Adolf Anderssen Chess Festival 2026 - OPEN C | 2026 | 7 | 2.5 | 1,422 |
| Wroclaw Open C | 2024 | 5 | 3 | 1,716 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jacek Stefan Kotkowski's chess games?
30 games by Jacek Stefan Kotkowski, from Oct 2017 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 Jacek Stefan Kotkowski has played.
What does Jacek Stefan Kotkowski play on the first move as White?
Across 15 games with White in our database, Jacek Stefan Kotkowski opens with 1.e4 (87% of games), 1.d4 (7% of games), 1.b3 (7% of games). Against 1.e4 as Black, Jacek Stefan Kotkowski answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Jacek Stefan Kotkowski play as White?
As White, Jacek Stefan Kotkowski's most-played openings in our database are: Sicilian (4 games, 25.0% win rate); French Defense (3 games, 33.3% win rate); King's Pawn Game (1 games, 100.0% win rate). The full breakdown of 15 games with White is in the table above.
What openings does Jacek Stefan Kotkowski play as Black?
As Black, Jacek Stefan Kotkowski most often plays: Sicilian: Najdorf (3 games, 0.0% win rate); Nimzo-Indian: Classical Variation (2 games, 50.0% win rate); Reversed Chigorin (2 games, 50.0% win rate). See the table above for the top ten Black openings across 15 games.
What is Jacek Stefan Kotkowski's FIDE rating?
Jacek Stefan Kotkowski is currently rated 1,714 in classical chess, 1,679 in rapid and 1,821 in blitz. Peak classical rating: 1,771 (Aug 2024).
How many games has Jacek Stefan Kotkowski played?
Our database contains 30 games by Jacek Stefan Kotkowski, covering Oct 2017 to Aug 2026. Overall record: 13 wins, 7 draws, 10 losses (43.3% win rate).
How do I prepare against Jacek Stefan Kotkowski?
30 games by Jacek Stefan Kotkowski 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.