Prepare against Jan Kokoszczynski
FM · Poland · World #5,642 classical · FIDE ID 1174460
When preparing against Jan Kokoszczynski, expect 1.d4 in 41% of White games. Against 1.e4 the reply is 1...c5 (31% of games); against 1.d4, 1...Nf6 (54%). Lowest win rate among frequent openings: Catalan as Black, 24.0% over 25 games.
Our database contains 1,635 games by Jan Kokoszczynski, covering Mar 2011 to Sep 2026. Below you'll find Jan Kokoszczynski's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Kokoszczynski 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 | 2,257 | 2,329 | Sep 2024 |
| Rapid | 2,283 | 2,332 | Apr 2026 |
| Blitz | 2,350 | 2,350 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,635 | 699 | 324 | 611 | 42.8% |
| As White | 811 | 358 | 175 | 278 | 44.1% |
| As Black | 824 | 341 | 149 | 333 | 41.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Kokoszczynski's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Kokoszczynski's side.
First moves as White (811 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 336 | 41.4% | 54.3% |
| e4 | 264 | 32.6% | 52.3% |
| Nf3 | 135 | 16.6% | 64.1% |
| c4 | 72 | 8.9% | 50.7% |
| c3 | 2 | 0.2% | 100.0% |
| d3 | 1 | 0.1% | 0.0% |
Main lines as White
- 1.d4 — 41% of White games, 54.3% score
- …Nf6 (60% of these games) — Kokoszczynski usually continues c4 (55.6% score)
- …d5 (25% of these games) — Kokoszczynski usually continues c4 (65.9% score)
- …e6 (5% of these games) — Kokoszczynski usually continues c4 (37.5% score)
- 1.e4 — 33% of White games, 52.3% score
- …c5 (41% of these games) — Kokoszczynski usually continues Nf3 (49.5% score)
- …e5 (18% of these games) — Kokoszczynski usually continues Nf3 (53.1% score)
- …c6 (12% of these games) — Kokoszczynski usually continues d4 (55.4% score)
As Black against 1.e4 (379 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 118 | 31.1% | 54.2% |
| e5 | 109 | 28.8% | 51.4% |
| c6 | 83 | 21.9% | 57.2% |
| e6 | 53 | 14.0% | 56.6% |
| g6 | 9 | 2.4% | 77.8% |
| d6 | 6 | 1.6% | 91.7% |
As Black against 1.d4 (290 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 157 | 54.1% | 49.0% |
| d5 | 100 | 34.5% | 48.5% |
| f5 | 16 | 5.5% | 31.3% |
| g6 | 13 | 4.5% | 57.7% |
| e6 | 2 | 0.7% | 0.0% |
| c5 | 1 | 0.3% | 50.0% |
Jan Kokoszczynski's chess games
All 1,635 games by Jan Kokoszczynski in the Chess.ceo database (Mar 2011 - Sep 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: 699 wins, 324 draws, 611 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D35 | Indian Defense | 85 | 39/19/27 | 45.9% |
| A06 | Réti Opening | 55 | 32/8/15 | 58.2% |
| B53 | Sicilian | 45 | 13/14/18 | 28.9% |
| B06 | Modern Defense | 37 | 14/8/15 | 37.8% |
| A13 | English Opening | 31 | 14/7/10 | 45.2% |
| D02 | Queen's Pawn Game | 24 | 13/3/8 | 54.2% |
| D02 | London System | 24 | 12/2/10 | 50.0% |
| E04 | Catalan | 20 | 7/4/9 | 35.0% |
| A43 | Benoni Defense | 20 | 7/3/10 | 35.0% |
| B13 | Caro-Kann: Exchange Variation | 20 | 8/3/9 | 40.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B50 | Sicilian | 33 | 13/4/16 | 39.4% |
| A07 | Réti Opening | 31 | 9/5/17 | 29.0% |
| A46 | Indian Defense | 30 | 15/4/11 | 50.0% |
| D45 | Slav Defense | 26 | 11/5/10 | 42.3% |
| E04 | Catalan | 25 | 6/10/9 | 24.0% |
| B12 | Caro-Kann: Advance Variation | 25 | 10/3/12 | 40.0% |
| B06 | Modern Defense | 24 | 12/4/8 | 50.0% |
| D02 | Queen's Pawn Game | 23 | 10/3/10 | 43.5% |
| D31 | Queen's Gambit Declined | 22 | 9/4/9 | 40.9% |
| B92 | Sicilian: Najdorf | 22 | 15/2/5 | 68.2% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2024 | Daniil Dubov | 2,693 | Titled Tue Late | B72 |
| Dec 2023 | Bogdan-Daniel Deac | 2,690 | Titled Tue Early | B13 |
| Sep 2024 | Sam Shankland | 2,677 | Titled Tue Late | E60 |
| Jun 2024 | Igor Kovalenko | 2,674 | Titled Tue Late | B01 |
| Jun 2024 | Alexei Shirov | 2,660 | Titled Tue Late | C59 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 827 | 422 | 2,306 |
| POL-chT 2nd League | 2022 | 43 | 28 | 2,199 |
| POL-chT 1st League | 2024 | 39 | 17.5 | 2,243 |
| Ustron Open A | 2022 | 27 | 14 | 2,298 |
| ch-POL U20 | 2022 | 27 | 15.5 | 2,217 |
| POL-chT U19 2nd League | 2015 | 22 | 11 | 1,719 |
| Warsaw Maciei Memorial | 2023 | 22 | 11.5 | 2,187 |
| ch-POL blitz | 2022 | 20 | 9.5 | 2,191 |
Interactive opening tree from all 1,635 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Kokoszczynski's chess games?
1,635 games by Jan Kokoszczynski, from Mar 2011 to Sep 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 Kokoszczynski has played.
What does Jan Kokoszczynski play on the first move as White?
Across 811 games with White in our database, Jan Kokoszczynski opens with 1.d4 (41% of games), 1.e4 (33% of games), 1.Nf3 (17% of games). Against 1.e4 as Black, Jan Kokoszczynski answers 1...c5 (31% of games), 1...e5 (29% of games), 1...c6 (22% of games). Against 1.d4: 1...Nf6 (54% of games), 1...d5 (34% of games), 1...f5 (6% of games).
What openings does Jan Kokoszczynski play as White?
As White, Jan Kokoszczynski's most-played openings in our database are: Indian Defense (85 games, 45.9% win rate); Réti Opening (55 games, 58.2% win rate); Sicilian (45 games, 28.9% win rate). The full breakdown of 811 games with White is in the table above.
What openings does Jan Kokoszczynski play as Black?
As Black, Jan Kokoszczynski most often plays: Sicilian (33 games, 39.4% win rate); Réti Opening (31 games, 29.0% win rate); Indian Defense (30 games, 50.0% win rate). See the table above for the top ten Black openings across 824 games.
What is Jan Kokoszczynski's FIDE rating?
Jan Kokoszczynski is currently rated 2,257 in classical chess, 2,283 in rapid and 2,350 in blitz. Peak classical rating: 2,329 (Sep 2024).
How many games has Jan Kokoszczynski played?
Our database contains 1,635 games by Jan Kokoszczynski, covering Mar 2011 to Sep 2026. Overall record: 699 wins, 324 draws, 611 losses (42.8% win rate).
How do I prepare against Jan Kokoszczynski?
1,635 games by Jan Kokoszczynski 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.