Mate in four from Amateur-Andresen, Christiania, 1914.
Black to play.
nice
I solved it in 20 seconds!!! I would never find it in real game!! Isn't it weird?!!
P.S. Thanks for very good puzzle.
How and when?
Every move white makes is forced.
Mate in four from Amateur-Andresen, Christiania, 1914.
Black to play.