White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Glur, Erwin
|
|
Zweifel, Richard
|
|
B20
|
1995
|
1-0
| 29 |
|
|
|
Portmann, Daniel
|
|
Zweifel, Richard
|
|
B50
|
1995
|
1-0
| 53 |
|
|
|
Gyger, Marcel
|
|
Zweifel, Richard
|
|
B23
|
1996
|
1-0
| 33 |
|
|
|
Karthik, Venkataraman
|
2475
|
Zweifel, Richard
|
2117
|
A16
|
2017
|
1-0
| 54 |
|
|
|
Sunilduth Lyna, Naraya...
|
2575
|
Zweifel, Richard
|
2187
|
B82
|
2018
|
1-0
| 40 |
|
|
|