Wunder, Niklas vs Koellner, Ruben Gideon
Head-to-head score
0Wunder, Niklas
0Draws
1Koellner, Ruben Gideon
1 game between them
Broadcast games
Only games that went out on a public broadcast. Organisers broadcast the top boards, so this list is smaller than the player's full record.
| Event | Date | White | Black | Result | Watch narration |
|---|---|---|---|---|---|
| Oberbank Challenger Open 2026Round 2 | IM Koellner, Ruben Gideon | Wunder, Niklas | Koellner, Ruben Gideon won |