DragonKing: Watanabe won it with 71 moves. The variation after the final move is as YuryShpilev points out. N-5c+ would be a magical sacrifice.
I've dealt with it in my blog at http://shogi-excitinggame.blogspot.com/
(dölj) Håll rent och snyggt bland dina Meddelanden genom att Arkivera viktiga meddelanden och regelbundet använda "Radera Alla Meddelanden" i din Brevlåda. (pauloaguia) (Visa alla tips)