Henri Koskinen vs Janne Mertanen
FM Henri Koskinen (2076) · FM Janne Mertanen (2293)
Henri Koskinen and Janne Mertanen have played 11 recorded games against each other, the first in Jan 1996 and the most recent in Oct 2024. Koskinen leads 4 wins to 2, with 5 draws (55% of the games were decisive). Their most common battleground is the Alekhine Defense (2 games). The average game between them lasted 34 moves.
Results by color
| Split | Games | Koskinen | Draws | Mertanen |
|---|---|---|---|---|
| Koskinen with White | 5 | 3 | 2 | 0 |
| Mertanen with White | 6 | 1 | 3 | 2 |
Results by time format
| Format | Games | Koskinen | Draws | Mertanen |
|---|---|---|---|---|
| Classical | 11 | 4 | 5 | 2 |
Openings in their games
| ECO | Opening | Games | Koskinen | Draws | Mertanen |
|---|---|---|---|---|---|
| B02 | Alekhine Defense | 2 | 2 | 0 | 0 |
| A11 | Réti Opening | 1 | 0 | 1 | 0 |
| A13 | English Opening | 1 | 0 | 1 | 0 |
| A28 | English Opening: Reverse Sicilian | 1 | 1 | 0 | 0 |
| A42 | Rat Defense | 1 | 1 | 0 | 0 |
| A48 | Indian Defense | 1 | 0 | 1 | 0 |
| B07 | King's Pawn Game | 1 | 0 | 0 | 1 |
| D00 | Queen's Pawn Game | 1 | 0 | 1 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Oct 2024 | Janne Mertanen | Henri Koskinen | 1/2-1/2 | English Opening | TCh-FIN 2024-25 |
| Feb 2017 | Janne Mertanen | Henri Koskinen | 1/2-1/2 | Réti Opening | chT-FIN 1617 |
| Feb 2013 | Janne Mertanen | Henri Koskinen | 1-0 | Slav Defense | chT-FIN 1213 |
| Nov 2011 | Janne Mertanen | Henri Koskinen | 1-0 | King's Pawn Game | chT-FIN 1112 |
| Oct 2010 | Henri Koskinen | Janne Mertanen | 1/2-1/2 | Réti Opening | 26th EU-Cup |
| Mar 2009 | Henri Koskinen | Janne Mertanen | 1/2-1/2 | Indian Defense | chT-FIN 0809 |
| Jan 2000 | Janne Mertanen | Henri Koskinen | 0-1 | Rat Defense | chT-FIN 9900 |
| Jan 1998 | Henri Koskinen | Janne Mertanen | 1-0 | English Opening: Reverse Sicilian | chT-FIN 9899 |
| Jan 1997 | Henri Koskinen | Janne Mertanen | 1-0 | Alekhine Defense | chT-FIN 9798 |
| Jan 1996 | Janne Mertanen | Henri Koskinen | 1/2-1/2 | Queen's Pawn Game | Helsinki We Ilves Open |
| Jan 1996 | Henri Koskinen | Janne Mertanen | 1-0 | Alekhine Defense | chT-FIN 9596 |
Interactive board, all 11 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Henri Koskinen and Janne Mertanen?
In 11 recorded games, Henri Koskinen has 4 wins, Janne Mertanen has 2 wins, and they have drawn 5 times.
How many times have Henri Koskinen and Janne Mertanen played each other?
Our database records 11 games between them, from Jan 1996 to Oct 2024.
What openings do Henri Koskinen and Janne Mertanen play against each other?
The most common opening in their games is the Alekhine Defense (2 games), followed by the Réti Opening (1). The full opening breakdown and every game are on this page.