Эта позиция 50 лет считалась проигранной. Отказанная игра Каулена.

A detailed analysis of positions arising in the Kaulen's declined opening. Clarification of the analyses by grandmasters Monya Norel (Moldova) and Maxim Fedorov (Russia, Nizhny Novgorod). A discussion of technical ideas suitable for Russian and Brazilian draughts. This video is recommended for draughts players of at least the first level, as well as for coaches.