Prepare against Jakub Janeczko
Poland · World #7,683 classical · FIDE ID 21871655
When preparing against Jakub Janeczko, expect 1.e4 in 92% of White games. Against 1.e4 the reply is 1...c5 (73% of games); against 1.d4, 1...Nf6 (73%). Lowest win rate among frequent openings: Sicilian: Najdorf as Black, 13.3% over 15 games.
Our database contains 573 games by Jakub Janeczko, covering May 2016 to Sep 2026. Below you'll find Jakub Janeczko's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jakub Janeczko 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 | 2,212 | 2,325 | Jan 2025 |
| Rapid | 2,216 | 2,216 | Sep 2026 |
| Blitz | 2,251 | 2,268 | Jun 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 573 | 188 | 174 | 211 | 32.8% |
| As White | 288 | 101 | 90 | 97 | 35.1% |
| As Black | 285 | 87 | 84 | 114 | 30.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jakub Janeczko's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jakub Janeczko's side.
First moves as White (288 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 265 | 92.0% | 51.5% |
| Nf3 | 16 | 5.6% | 34.4% |
| d4 | 6 | 2.1% | 66.7% |
| c4 | 1 | 0.3% | 0.0% |
Main lines as White
- 1.e4 — 92% of White games, 51.5% score
- …c5 (45% of these games) — Janeczko usually continues Nf3 (46.6% score)
- …e5 (20% of these games) — Janeczko usually continues Nf3 (47.6% score)
- …c6 (16% of these games) — Janeczko usually continues d4 (57.4% score)
- 1.Nf3 — 6% of White games, 34.4% score
- …d5 (38% of these games) — Janeczko usually continues e3 (25.0% score)
- …Nf6 (31% of these games) — Janeczko usually continues g3 (50.0% score)
- …c5 (13% of these games) — Janeczko usually continues e4 (0.0% score)
As Black against 1.e4 (144 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 105 | 72.9% | 44.8% |
| Nf6 | 32 | 22.2% | 50.0% |
| g6 | 4 | 2.8% | 50.0% |
| d6 | 1 | 0.7% | 100.0% |
| c6 | 1 | 0.7% | 0.0% |
As Black against 1.d4 (84 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 61 | 72.6% | 50.0% |
| c5 | 13 | 15.5% | 38.5% |
| g6 | 6 | 7.1% | 50.0% |
| d5 | 3 | 3.6% | 33.3% |
| e6 | 1 | 1.2% | 50.0% |
Jakub Janeczko's chess games
All 573 games by Jakub Janeczko in the Chess.ceo database (May 2016 - 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: 188 wins, 174 draws, 211 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 76 | 31/20/25 | 40.8% |
| C47 | Four Knights Game | 16 | 6/4/6 | 37.5% |
| B90 | Sicilian: Najdorf | 12 | 3/5/4 | 25.0% |
| B12 | Caro-Kann: Advance Variation | 11 | 2/3/6 | 18.2% |
| B12 | Caro-Kann: Fantasy Variation | 8 | 5/2/1 | 62.5% |
| B07 | Pirc Defense | 7 | 3/0/4 | 42.9% |
| A05 | Réti Opening | 7 | 1/2/4 | 14.3% |
| B23 | Sicilian: Closed | 7 | 4/2/1 | 57.1% |
| B06 | Modern Defense | 7 | 1/1/5 | 14.3% |
| B11 | Caro-Kann: Two Knights Variation | 6 | 2/2/2 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B03 | Alekhine Defense | 32 | 13/6/13 | 40.6% |
| A57 | Benoni Defense | 31 | 9/8/14 | 29.0% |
| B32 | Sicilian | 30 | 11/12/7 | 36.7% |
| B45 | Sicilian: Four Knights | 18 | 3/2/13 | 16.7% |
| A21 | Modern Defense | 17 | 6/2/9 | 35.3% |
| B30 | Sicilian: Rossolimo | 17 | 5/5/7 | 29.4% |
| B90 | Sicilian: Najdorf | 15 | 2/6/7 | 13.3% |
| A31 | English Opening | 13 | 2/6/5 | 15.4% |
| A43 | Indian Defense | 10 | 3/5/2 | 30.0% |
| B38 | English Opening: Symmetrical | 9 | 3/4/2 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2024 | Sanan Sjugirov | 2,644 | Titled Tue Late | C00 |
| Feb 2025 | Kacper Piorun | 2,577 | Titled Tue Early | C00 |
| Jul 2025 | Bartosz Socko | 2,574 | Jana Maciei Mem | C00 |
| Jul 2025 | Bartlomiej Heberla | 2,517 | Najdorf Mem Open A | B12 |
| Mar 2024 | Philipp Schlosser | 2,511 | Karlsruhe Grenke Open | B42 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 89 | 40.5 | 2,245 |
| ch-POL U20 | 2023 | 44 | 21 | 2,023 |
| Warsaw Maciei Memorial | 2023 | 20 | 7.5 | 2,102 |
| ch-POL U16 | 2023 | 17 | 10 | 2,086 |
| POL-chT 1st League | 2024 | 14 | 7 | 2,197 |
| 207th Warsaw YMCA Autumn C | 2018 | 13 | 6.5 | 1,479 |
| ch-EU Blitz | 2022 | 11 | 2.5 | 2,216 |
| Jana Maciei Mem | 2025 | 11 | 7 | 2,543 |
Interactive opening tree from all 573 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jakub Janeczko's chess games?
573 games by Jakub Janeczko, from May 2016 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 Jakub Janeczko has played.
What does Jakub Janeczko play on the first move as White?
Across 288 games with White in our database, Jakub Janeczko opens with 1.e4 (92% of games), 1.Nf3 (6% of games), 1.d4 (2% of games). Against 1.e4 as Black, Jakub Janeczko answers 1...c5 (73% of games), 1...Nf6 (22% of games), 1...g6 (3% of games). Against 1.d4: 1...Nf6 (73% of games), 1...c5 (15% of games), 1...g6 (7% of games).
What openings does Jakub Janeczko play as White?
As White, Jakub Janeczko's most-played openings in our database are: Sicilian (76 games, 40.8% win rate); Four Knights Game (16 games, 37.5% win rate); Sicilian: Najdorf (12 games, 25.0% win rate). The full breakdown of 288 games with White is in the table above.
What openings does Jakub Janeczko play as Black?
As Black, Jakub Janeczko most often plays: Alekhine Defense (32 games, 40.6% win rate); Benoni Defense (31 games, 29.0% win rate); Sicilian (30 games, 36.7% win rate). See the table above for the top ten Black openings across 285 games.
What is Jakub Janeczko's FIDE rating?
Jakub Janeczko is currently rated 2,212 in classical chess, 2,216 in rapid and 2,251 in blitz. Peak classical rating: 2,325 (Jan 2025).
How many games has Jakub Janeczko played?
Our database contains 573 games by Jakub Janeczko, covering May 2016 to Sep 2026. Overall record: 188 wins, 174 draws, 211 losses (32.8% win rate).
How do I prepare against Jakub Janeczko?
573 games by Jakub Janeczko 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.