Prepare against Jacek Bielczyk
IM · Poland · World #7,955 classical · FIDE ID 1100530
When preparing against Jacek Bielczyk, expect 1.e4 in 98% of White games. Against 1.e4 the reply is 1...c5 (91% of games); against 1.d4, 1...Nf6 (85%). Lowest win rate among frequent openings: Modern Defense as Black, 14.7% over 34 games.
Our database contains 999 games by Jacek Bielczyk, covering Apr 2003 to Oct 2026. Below you'll find Jacek Bielczyk's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jacek Bielczyk 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 | 2,206 | 2,357 | Oct 2005 |
| Rapid | 2,220 | 2,279 | Dec 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 999 | 254 | 562 | 183 | 25.4% |
| As White | 507 | 163 | 289 | 55 | 32.1% |
| As Black | 492 | 91 | 273 | 128 | 18.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jacek Bielczyk's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jacek Bielczyk's side.
First moves as White (507 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 496 | 97.8% | 60.8% |
| Nf3 | 4 | 0.8% | 50.0% |
| d4 | 3 | 0.6% | 50.0% |
| c4 | 3 | 0.6% | 66.7% |
| g3 | 1 | 0.2% | 50.0% |
Main lines as White
- 1.e4 — 98% of White games, 60.8% score
- …c5 (44% of these games) — Bielczyk usually continues Nf3 (58.3% score)
- …e5 (18% of these games) — Bielczyk usually continues Nf3 (63.2% score)
- …e6 (14% of these games) — Bielczyk usually continues d4 (61.5% score)
- 1.Nf3 — 1% of White games, 50.0% score
- …Nf6 (50% of these games) — Bielczyk usually continues c4 (50.0% score)
- …g6 (25% of these games) — Bielczyk usually continues e4 (50.0% score)
- …d5 (25% of these games) — Bielczyk usually continues c4 (50.0% score)
As Black against 1.e4 (236 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 215 | 91.1% | 45.8% |
| e5 | 7 | 3.0% | 50.0% |
| e6 | 6 | 2.5% | 41.7% |
| d6 | 3 | 1.3% | 33.3% |
| d5 | 2 | 0.8% | 50.0% |
| c6 | 1 | 0.4% | 50.0% |
As Black against 1.d4 (141 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 120 | 85.1% | 51.2% |
| g6 | 12 | 8.5% | 37.5% |
| d6 | 7 | 5.0% | 28.6% |
| d5 | 2 | 1.4% | 25.0% |
Jacek Bielczyk's chess games
All 999 games by Jacek Bielczyk in the Chess.ceo database (Apr 2003 - Oct 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: 254 wins, 562 draws, 183 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 87 | 20/55/12 | 23.0% |
| B93 | Sicilian: Najdorf | 42 | 14/23/5 | 33.3% |
| C11 | French Defense | 32 | 9/19/4 | 28.1% |
| B04 | Alekhine Defense | 28 | 16/11/1 | 57.1% |
| C15 | French: Winawer Variation | 26 | 8/15/3 | 30.8% |
| B80 | Sicilian: Scheveningen | 23 | 4/16/3 | 17.4% |
| C84 | Ruy Lopez: Morphy Defense | 21 | 5/13/3 | 23.8% |
| B06 | Modern Defense | 20 | 5/12/3 | 25.0% |
| B08 | Pirc Defense | 17 | 6/8/3 | 35.3% |
| C91 | Ruy Lopez: Closed | 16 | 5/11/0 | 31.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B67 | Sicilian | 135 | 27/65/43 | 20.0% |
| A53 | Indian Defense | 96 | 22/54/20 | 22.9% |
| A42 | Modern Defense | 34 | 5/19/10 | 14.7% |
| B31 | Sicilian: Rossolimo | 24 | 4/13/7 | 16.7% |
| B26 | Sicilian: Closed | 18 | 7/9/2 | 38.9% |
| A05 | Réti Opening | 16 | 3/10/3 | 18.8% |
| B22 | Sicilian: Alapin | 16 | 4/9/3 | 25.0% |
| A25 | English Opening: Reverse Sicilian | 14 | 3/8/3 | 21.4% |
| E94 | King's Indian Defense: Orthodox Variation | 13 | 1/12/0 | 7.7% |
| A13 | English Opening | 13 | 1/7/5 | 7.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1990 | Attila Groszpeter | 2,545 | 8th Berliner Sommer | B93 |
| Aug 1979 | Gennadij Timoscenko | 2,530 | Rubinstein Memorial 17th | B80 |
| Sep 1995 | Aloyzas Kveinys | 2,515 | chT-POL 51st | B06 |
| Jan 1976 | Juraj Nikolac | 2,485 | Lublin | E70 |
| Jan 1994 | Roland Berzinsh | 2,475 | Hlohovec Open | C84 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| POL-chT 2nd League | 2023 | 37 | 18 | 2,105 |
| Porabka | 1987 | 26 | 14 | 2,405 |
| Poznan | 1983 | 21 | 13 | 2,456 |
| Hlohovec Open | 1994 | 19 | 11.5 | 2,423 |
| Werfen Open A | 1994 | 18 | 12.5 | 2,394 |
| EU-ch U21 fin-B | 1973 | 18 | 11.5 | – |
| Schwarzach Open A | 2002 | 18 | 10 | 2,367 |
| ch-POL35 | 1978 | 17 | 9 | 2,417 |
Interactive opening tree from all 999 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jacek Bielczyk's chess games?
999 games by Jacek Bielczyk, from Apr 2003 to Oct 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 Bielczyk has played.
What does Jacek Bielczyk play on the first move as White?
Across 507 games with White in our database, Jacek Bielczyk opens with 1.e4 (98% of games), 1.Nf3 (1% of games), 1.d4 (1% of games). Against 1.e4 as Black, Jacek Bielczyk answers 1...c5 (91% of games), 1...e5 (3% of games), 1...e6 (3% of games). Against 1.d4: 1...Nf6 (85% of games), 1...g6 (9% of games), 1...d6 (5% of games).
What openings does Jacek Bielczyk play as White?
As White, Jacek Bielczyk's most-played openings in our database are: Sicilian (87 games, 23.0% win rate); Sicilian: Najdorf (42 games, 33.3% win rate); French Defense (32 games, 28.1% win rate). The full breakdown of 507 games with White is in the table above.
What openings does Jacek Bielczyk play as Black?
As Black, Jacek Bielczyk most often plays: Sicilian (135 games, 20.0% win rate); Indian Defense (96 games, 22.9% win rate); Modern Defense (34 games, 14.7% win rate). See the table above for the top ten Black openings across 492 games.
What is Jacek Bielczyk's FIDE rating?
Jacek Bielczyk is currently rated 2,206 in classical chess, 2,220 in rapid. Peak classical rating: 2,357 (Oct 2005).
How many games has Jacek Bielczyk played?
Our database contains 999 games by Jacek Bielczyk, covering Apr 2003 to Oct 2026. Overall record: 254 wins, 562 draws, 183 losses (25.4% win rate).
How do I prepare against Jacek Bielczyk?
999 games by Jacek Bielczyk 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.