Harmen Jonkman vs Dennis De Vreugt
GM Harmen Jonkman (2289) · GM Dennis De Vreugt (2430)
Harmen Jonkman and Dennis De Vreugt have played 10 recorded games against each other, the first in Jan 1995 and the most recent in Jan 2003. Jonkman leads 5 wins to 2, with 3 draws (70% of the games were decisive). Their most common battleground is the Sicilian: Alapin (4 games). The average game between them lasted 44 moves.
Results by color
| Split | Games | Jonkman | Draws | Vreugt |
|---|---|---|---|---|
| Jonkman with White | 9 | 5 | 2 | 2 |
| Vreugt with White | 1 | 0 | 1 | 0 |
Results by time format
| Format | Games | Jonkman | Draws | Vreugt |
|---|---|---|---|---|
| Classical | 10 | 5 | 3 | 2 |
Openings in their games
| ECO | Opening | Games | Jonkman | Draws | Vreugt |
|---|---|---|---|---|---|
| B22 | Sicilian: Alapin | 4 | 3 | 0 | 1 |
| C48 | Four Knights Game: Spanish Variation | 2 | 1 | 1 | 0 |
| B01 | Scandinavian Defense: Main Line | 1 | 1 | 0 | 0 |
| C26 | Four Knights Game: Glek System | 1 | 0 | 0 | 1 |
| C33 | King's Gambit | 1 | 0 | 1 | 0 |
| C67 | Ruy Lopez: Berlin Defense | 1 | 0 | 1 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Jan 2003 | Harmen Jonkman | Dennis De Vreugt | 0-1 | Four Knights Game: Glek System | Corus B |
| Apr 2002 | Dennis De Vreugt | Harmen Jonkman | 1/2-1/2 | Ruy Lopez: Berlin Defense | 8th Cutro Open |
| Dec 2001 | Harmen Jonkman | Dennis De Vreugt | 1/2-1/2 | Four Knights Game: Spanish Variation | Lvov Cup of Galychina |
| Aug 2001 | Harmen Jonkman | Dennis De Vreugt | 1-0 | Four Knights Game: Spanish Variation | Lost Boys Open |
| Mar 2000 | Harmen Jonkman | Dennis De Vreugt | 1-0 | Scandinavian Defense: Main Line | Tel Aviv int |
| Oct 1999 | Harmen Jonkman | Dennis De Vreugt | 1/2-1/2 | King's Gambit | Oberliga NRW 9900 I |
| Jan 1998 | Harmen Jonkman | Dennis De Vreugt | 1-0 | Sicilian: Alapin | Dieren Open |
| Jan 1997 | Harmen Jonkman | Dennis De Vreugt | 0-1 | Sicilian: Alapin | Leeuwarden Open |
| Jan 1995 | Harmen Jonkman | Dennis De Vreugt | 1-0 | Sicilian: Alapin | Soest Open |
| Jan 1995 | Harmen Jonkman | Dennis De Vreugt | 1-0 | Sicilian: Alapin | Sonnevanck-B |
Interactive board, all 10 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Harmen Jonkman and Dennis De Vreugt?
In 10 recorded games, Harmen Jonkman has 5 wins, Dennis De Vreugt has 2 wins, and they have drawn 3 times.
How many times have Harmen Jonkman and Dennis De Vreugt played each other?
Our database records 10 games between them, from Jan 1995 to Jan 2003.
What openings do Harmen Jonkman and Dennis De Vreugt play against each other?
The most common opening in their games is the Sicilian: Alapin (4 games), followed by the Four Knights Game: Spanish Variation (2). The full opening breakdown and every game are on this page.