|
White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Koppen, Willem
|
|
Svabic, T
|
|
A81
|
1995
|
0-1
| 35 |
|
|
|
Koppen, Willem
|
|
Bucher, Michael
|
|
A80
|
1997
|
0-1
| 35 |
|
|
|
Mazzoni, Renzo
|
|
Koppen, Willem
|
|
B22
|
2001
|
1-0
| 46 |
|
|
|
Wyss, Jonas
|
2089
|
Koppen, Willem
|
|
B01
|
2006
|
1-0
| 36 |
|
|
|
Schnyder, Josef
|
|
Koppen, Willem
|
1561
|
A96
|
2009
|
1-0
| 37 |
|
|
|
Hauser, Pius
|
1642
|
Koppen, Willem
|
1561
|
B01
|
2009
|
1-0
| 44 |
|
|
|
|
|