Friso Nijboer vs Harmen Jonkman
GM Friso Nijboer (2441) · GM Harmen Jonkman (2289)
Friso Nijboer and Harmen Jonkman have played 10 recorded games against each other, the first in Jan 1994 and the most recent in Oct 2005. Nijboer leads 9 wins to 1, with 0 draws (100% of the games were decisive). Their most common battleground is the Ruy Lopez: Berlin Defense (4 games). The average game between them lasted 45 moves.
Results by color
| Split | Games | Nijboer | Draws | Jonkman |
|---|---|---|---|---|
| Nijboer with White | 8 | 7 | 0 | 1 |
| Jonkman with White | 2 | 2 | 0 | 0 |
Results by time format
| Format | Games | Nijboer | Draws | Jonkman |
|---|---|---|---|---|
| Classical | 9 | 8 | 0 | 1 |
| Blitz | 1 | 1 | 0 | 0 |
Openings in their games
| ECO | Opening | Games | Nijboer | Draws | Jonkman |
|---|---|---|---|---|---|
| C67 | Ruy Lopez: Berlin Defense | 4 | 3 | 0 | 1 |
| B30 | Sicilian: Rossolimo | 1 | 1 | 0 | 0 |
| C49 | Four Knights Game: Spanish Variation | 1 | 1 | 0 | 0 |
| B08 | Pirc Defense | 1 | 1 | 0 | 0 |
| C75 | Ruy Lopez: Steinitz Defense Deferred | 1 | 1 | 0 | 0 |
| C90 | Ruy Lopez: Closed | 1 | 1 | 0 | 0 |
| C63 | Ruy Lopez: Schliemann | 1 | 1 | 0 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Oct 2005 | Friso Nijboer | Harmen Jonkman | 1-0 | Ruy Lopez: Berlin Defense | Hoogeveen Essent Open |
| May 2005 | Harmen Jonkman | Friso Nijboer | 0-1 | Pirc Defense | chT-NED 0405 playoff |
| Mar 2004 | Friso Nijboer | Harmen Jonkman | 1-0 | Ruy Lopez: Closed | Windesheim Open A |
| Jan 2003 | Friso Nijboer | Harmen Jonkman | 1-0 | Ruy Lopez: Berlin Defense | Corus B |
| Dec 2002 | Harmen Jonkman | Friso Nijboer | 0-1 | Sicilian: Rossolimo | Groningen Harmonie |
| Jun 2002 | Friso Nijboer | Harmen Jonkman | 0-1 | Ruy Lopez: Berlin Defense | ch-NED 57 |
| Jan 2002 | Friso Nijboer | Harmen Jonkman | 1-0 | Ruy Lopez: Berlin Defense | Corus B |
| Mar 2001 | Friso Nijboer | Harmen Jonkman | 1-0 | Ruy Lopez: Steinitz Defense Deferred | Zwolle KPMG Open |
| Jan 1998 | Friso Nijboer | Harmen Jonkman | 1-0 | Four Knights Game: Spanish Variation | Dieren Open |
| Jan 1994 | Friso Nijboer | Harmen Jonkman | 1-0 | Ruy Lopez: Schliemann | Hoogovens-B |
Interactive board, all 10 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Friso Nijboer and Harmen Jonkman?
In 10 recorded games, Friso Nijboer has 9 wins, Harmen Jonkman has 1 wins, and they have drawn 0 times.
How many times have Friso Nijboer and Harmen Jonkman played each other?
Our database records 10 games between them, from Jan 1994 to Oct 2005.
What openings do Friso Nijboer and Harmen Jonkman play against each other?
The most common opening in their games is the Ruy Lopez: Berlin Defense (4 games), followed by the Sicilian: Rossolimo (1). The full opening breakdown and every game are on this page.