Ralf-Johannes Koch
Full name
Ralf-Johannes Koch
Born
1960
(age 66)
Place of birth
Federation
Germany
Bio
Games
| Players | Result | Moves | Year |
|---|---|---|---|
|
Ralf-Johannes Koch
Derek Gaede
|
0-1 | 37 | 2018 |
|
Ralf-Johannes Koch
Wesal Moshtael
|
0-1 | 88 | 2014 |