Marcin Sieciechowicz vs Maciej Klekowski
IM Marcin Sieciechowicz (2391) · GM Maciej Klekowski (2470)
Marcin Sieciechowicz and Maciej Klekowski have played 10 recorded games against each other, the first in Jan 2003 and the most recent in Aug 2025. Sieciechowicz leads 3 wins to 5 - trailing overall, with 2 draws (80% of the games were decisive). Their most common battleground is the Nimzo-Indian: Rubinstein System (2 games). The average game between them lasted 41 moves.
Results by color
| Split | Games | Sieciechowicz | Draws | Klekowski |
|---|---|---|---|---|
| Sieciechowicz with White | 4 | 1 | 1 | 2 |
| Klekowski with White | 6 | 2 | 1 | 3 |
Results by time format
| Format | Games | Sieciechowicz | Draws | Klekowski |
|---|---|---|---|---|
| Classical | 7 | 3 | 2 | 2 |
| Blitz | 2 | 0 | 0 | 2 |
| Rapid | 1 | 0 | 0 | 1 |
Openings in their games
| ECO | Opening | Games | Sieciechowicz | Draws | Klekowski |
|---|---|---|---|---|---|
| E46 | Nimzo-Indian: Rubinstein System | 2 | 0 | 0 | 2 |
| A12 | English Opening | 1 | 0 | 0 | 1 |
| B23 | Sicilian: Closed | 1 | 1 | 0 | 0 |
| B39 | Sicilian: Accelerated Dragon | 1 | 0 | 1 | 0 |
| A11 | English Opening | 1 | 1 | 0 | 0 |
| D46 | Slav Defense | 1 | 0 | 0 | 1 |
| D58 | Queen's Gambit Declined | 1 | 1 | 0 | 0 |
| E36 | Nimzo-Indian: Classical Variation | 1 | 0 | 1 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Aug 2025 | Maciej Klekowski | Marcin Sieciechowicz | 1-0 | English Opening | Adolf Anderssen Mem |
| Sep 2022 | Marcin Sieciechowicz | Maciej Klekowski | 1/2-1/2 | Nimzo-Indian: Classical Variation | POL-chT 1st League |
| Jul 2021 | Marcin Sieciechowicz | Maciej Klekowski | 0-1 | Nimzo-Indian: Rubinstein System | Katowice POL-HUN 9th |
| Dec 2017 | Maciej Klekowski | Marcin Sieciechowicz | 1-0 | Torre Attack | 36th Bialystok Zamenhof Memorial |
| Dec 2017 | Maciej Klekowski | Marcin Sieciechowicz | 1-0 | Slav Defense | ch-EU blitz |
| Dec 2017 | Marcin Sieciechowicz | Maciej Klekowski | 0-1 | Nimzo-Indian: Rubinstein System | ch-EU blitz |
| Mar 2010 | Maciej Klekowski | Marcin Sieciechowicz | 0-1 | Sicilian: Closed | ch-POL U18 |
| Apr 2008 | Maciej Klekowski | Marcin Sieciechowicz | 0-1 | English Opening | ch-POL U16 |
| Mar 2007 | Marcin Sieciechowicz | Maciej Klekowski | 1-0 | Queen's Gambit Declined | ch-POL U16 |
| Jan 2003 | Maciej Klekowski | Marcin Sieciechowicz | 1/2-1/2 | Sicilian: Accelerated Dragon | ch-POL U12 |
Interactive board, all 10 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Marcin Sieciechowicz and Maciej Klekowski?
In 10 recorded games, Marcin Sieciechowicz has 3 wins, Maciej Klekowski has 5 wins, and they have drawn 2 times.
How many times have Marcin Sieciechowicz and Maciej Klekowski played each other?
Our database records 10 games between them, from Jan 2003 to Aug 2025.
What openings do Marcin Sieciechowicz and Maciej Klekowski play against each other?
The most common opening in their games is the Nimzo-Indian: Rubinstein System (2 games), followed by the English Opening (1). The full opening breakdown and every game are on this page.