Jakub Kosakowski vs Bogdan-Daniel Deac
GM Jakub Kosakowski (2543) · GM Bogdan-Daniel Deac (2651)
Jakub Kosakowski and Bogdan-Daniel Deac have played 10 recorded games against each other, the first in Jan 2022 and the most recent in Feb 2026. Kosakowski leads 1 wins to 8 - trailing overall, with 1 draws (90% of the games were decisive). Their most common battleground is the Nimzo-Indian: Rubinstein System (2 games). The average game between them lasted 50 moves.
Results by color
| Split | Games | Kosakowski | Draws | Deac |
|---|---|---|---|---|
| Kosakowski with White | 3 | 1 | 0 | 2 |
| Deac with White | 7 | 0 | 1 | 6 |
Results by time format
| Format | Games | Kosakowski | Draws | Deac |
|---|---|---|---|---|
| Blitz | 10 | 1 | 1 | 8 |
Openings in their games
| ECO | Opening | Games | Kosakowski | Draws | Deac |
|---|---|---|---|---|---|
| E49 | Nimzo-Indian: Rubinstein System | 2 | 0 | 1 | 1 |
| A20 | English Opening: Reverse Sicilian | 1 | 0 | 0 | 1 |
| B12 | Caro-Kann: Advance Variation | 1 | 0 | 0 | 1 |
| C45 | Scotch Game | 1 | 1 | 0 | 0 |
| D39 | Queen's Gambit Declined: Ragozin Defense | 1 | 0 | 0 | 1 |
| E04 | Catalan | 1 | 0 | 0 | 1 |
| E11 | Catalan | 1 | 0 | 0 | 1 |
| A13 | Réti Opening | 1 | 0 | 0 | 1 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Feb 2026 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | Nimzo-Indian: Rubinstein System | Titled Tue |
| Jun 2025 | Bogdan-Daniel Deac | Jakub Kosakowski | 1/2-1/2 | Nimzo-Indian: Rubinstein System | Titled Tue Early |
| Feb 2025 | Jakub Kosakowski | Bogdan-Daniel Deac | 1-0 | Scotch Game | Titled Tue Early |
| Jan 2025 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | Queen's Gambit Declined: Ragozin Defense | Titled Tue Early |
| Mar 2024 | Jakub Kosakowski | Bogdan-Daniel Deac | 0-1 | Catalan | Titled Tue Late |
| Feb 2024 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | King's Indian Defense: Orthodox Variation | Titled Tue Late |
| Feb 2023 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | English Opening: Reverse Sicilian | Titled Tue Late |
| Dec 2022 | Jakub Kosakowski | Bogdan-Daniel Deac | 0-1 | Caro-Kann: Advance Variation | ch-EU Blitz |
| Dec 2022 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | Réti Opening | ch-EU Blitz |
| Jan 2022 | Bogdan-Daniel Deac | Jakub Kosakowski | 1-0 | Catalan | Titled Tue |
Interactive board, all 10 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Jakub Kosakowski and Bogdan-Daniel Deac?
In 10 recorded games, Jakub Kosakowski has 1 wins, Bogdan-Daniel Deac has 8 wins, and they have drawn 1 times.
How many times have Jakub Kosakowski and Bogdan-Daniel Deac played each other?
Our database records 10 games between them, from Jan 2022 to Feb 2026.
What openings do Jakub Kosakowski and Bogdan-Daniel Deac play against each other?
The most common opening in their games is the Nimzo-Indian: Rubinstein System (2 games), followed by the English Opening: Reverse Sicilian (1). The full opening breakdown and every game are on this page.