Prepare against Marek Niedzwiecki
Poland · World #143,767 classical · FIDE ID 1140744
When preparing against Marek Niedzwiecki, expect 1.e4 in 71% of White games. Against 1.e4 the reply is 1...e5 (78% of games); against 1.d4, 1...Nf6 (40%).
Our database contains 37 games by Marek Niedzwiecki, covering Mar 2016 to Jul 2026. Below you'll find Marek Niedzwiecki's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marek Niedzwiecki 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 | 1,610 | 1,742 | Feb 2017 |
| Rapid | 1,797 | 1,835 | Jun 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 37 | 14 | 3 | 20 | 37.8% |
| As White | 17 | 6 | 1 | 10 | 35.3% |
| As Black | 20 | 8 | 2 | 10 | 40.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Marek Niedzwiecki's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marek Niedzwiecki's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 12 | 70.6% | 37.5% |
| c4 | 5 | 29.4% | 40.0% |
Main lines as White
- 1.e4 — 71% of White games, 37.5% score
- …e5 (25% of these games) — Niedzwiecki usually continues Nf3 (66.7% score)
- …c5 (25% of these games) — Niedzwiecki usually continues Nf3 (25.0% score)
- …e6 (25% of these games) — Niedzwiecki usually continues d3 (0.0% score)
- 1.c4 — 29% of White games, 40.0% score
- …Nf6 (60% of these games) — Niedzwiecki usually continues Nc3 (0.0% score)
- …e6 (20% of these games) — Niedzwiecki usually continues Nc3 (100.0% score)
- …c5 (20% of these games) — Niedzwiecki usually continues Nc3 (100.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 7 | 77.8% | 71.4% |
| c5 | 1 | 11.1% | 50.0% |
| d6 | 1 | 11.1% | 0.0% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 40.0% | 37.5% |
| d5 | 4 | 40.0% | 25.0% |
| c5 | 1 | 10.0% | 100.0% |
| g6 | 1 | 10.0% | 0.0% |
Marek Niedzwiecki's chess games
All 37 games by Marek Niedzwiecki in the Chess.ceo database (Mar 2016 - Jul 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: 14 wins, 3 draws, 20 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C00 | King's Indian Attack | 2 | 0/0/2 | 0.0% |
| B28 | Sicilian | 2 | 0/1/1 | 0.0% |
| C65 | Ruy Lopez: Berlin Defense | 2 | 1/0/1 | 50.0% |
| C01 | French: Exchange Variation | 1 | 1/0/0 | 100.0% |
| E61 | King's Indian Defense | 1 | 0/0/1 | 0.0% |
| E91 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| B00 | King's Pawn Game | 1 | 1/0/0 | 100.0% |
| B06 | Modern Defense | 1 | 0/0/1 | 0.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 1 | 1/0/0 | 100.0% |
| C78 | Ruy Lopez: Morphy Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D15 | Slav Defense | 3 | 1/0/2 | 33.3% |
| D00 | London System | 2 | 0/0/2 | 0.0% |
| E01 | Catalan | 1 | 0/0/1 | 0.0% |
| A46 | Indian Defense | 1 | 0/0/1 | 0.0% |
| C50 | Italian Game | 1 | 1/0/0 | 100.0% |
| C53 | Italian Game: Classical Variation | 1 | 1/0/0 | 100.0% |
| E81 | King's Indian: Sämisch | 1 | 1/0/0 | 100.0% |
| A44 | Benoni Defense | 1 | 1/0/0 | 100.0% |
| B07 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| A45 | Queen's Pawn Game | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2016 | Krzysztof Sokolowski | 1,940 | chT-Mazowiec Open 1516 | E81 |
| Oct 2024 | M Kuc | 1,684 | 294th YMCA Autumn C | C44 |
| Nov 2024 | Franciszek Klask | 1,672 | 294th YMCA Autumn C | A44 |
| Dec 2024 | Janusz Wiktorowski | 1,648 | 294th YMCA Autumn C | C78 |
| Oct 2024 | Lukasz Ossolinski | 1,612 | 294th YMCA Autumn C | B00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 294th YMCA Autumn C | 2024 | 13 | 7 | 1,666 |
| chT-Mazowiec Open 1617 | 2017 | 10 | 5 | 1,504 |
| chT-Mazowiec Open 1516 | 2016 | 9 | 3.5 | 1,794 |
| chT-Mazowiec 1718 | 2018 | 5 | 0 | 1,691 |
Interactive opening tree from all 37 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marek Niedzwiecki's chess games?
37 games by Marek Niedzwiecki, from Mar 2016 to Jul 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 Marek Niedzwiecki has played.
What does Marek Niedzwiecki play on the first move as White?
Across 17 games with White in our database, Marek Niedzwiecki opens with 1.e4 (71% of games), 1.c4 (29% of games). Against 1.e4 as Black, Marek Niedzwiecki answers 1...e5 (78% of games), 1...c5 (11% of games), 1...d6 (11% of games). Against 1.d4: 1...Nf6 (40% of games), 1...d5 (40% of games), 1...c5 (10% of games).
What openings does Marek Niedzwiecki play as White?
As White, Marek Niedzwiecki's most-played openings in our database are: King's Indian Attack (2 games, 0.0% win rate); Sicilian (2 games, 0.0% win rate); Ruy Lopez: Berlin Defense (2 games, 50.0% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Marek Niedzwiecki play as Black?
As Black, Marek Niedzwiecki most often plays: Slav Defense (3 games, 33.3% win rate); London System (2 games, 0.0% win rate); Catalan (1 games, 0.0% win rate). See the table above for the top ten Black openings across 20 games.
What is Marek Niedzwiecki's FIDE rating?
Marek Niedzwiecki is currently rated 1,610 in classical chess, 1,797 in rapid. Peak classical rating: 1,742 (Feb 2017).
How many games has Marek Niedzwiecki played?
Our database contains 37 games by Marek Niedzwiecki, covering Mar 2016 to Jul 2026. Overall record: 14 wins, 3 draws, 20 losses (37.8% win rate).
How do I prepare against Marek Niedzwiecki?
37 games by Marek Niedzwiecki 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.