Second key · The Maple Stripped of Its Red

What the solver found: an exact audit of the classical manuals

15 moves

The Maple Stripped of Its Red (枫经红摧) — Lin Youru: collected compositions (林幼如作品集, 20th c.), no. 15 The book opens Pfxe9+ and mates in 8. So does Pdxe9+: the key is not unique. The mainline is the book’s solution; a branch, where there is one, is what the solver found. Record fr…