Some random info:
- 5 dan Romanian GO player
- very good friend with Catalin Taranu and Cristian Pop -- we are from the same town
- lived 7 years in Yokohama
- currently living in UK
- did some research on the complexity of GO and games in general
Robson Reduction Tsumego: Black just captured in the marked ko at U26. Can White live with the lower group?