climbomaniac
Niki
Basel
Gyémánt tag
Climber, Mathematician, adrenalin junkie and lover of all things intellectually beautiful
Klubok
The Killer Derivatives
2 328 Tag
Team Schweiz-Suisse-Svizzera
3 177 Tag
ChessDojo
5 297 Tag
Ginger GM Fan Club
2 049 Tag
Queen's Indian Defense
421 Tag