Gokyo Seimyo Volume 3 Problem 52

White to move  

Original comment: "This shape occured in a game between the Ryukyuan Yara no Satonoshi (屋良里之子) and Aihara Kaseki (相原可碩)."

• Attempts?
• Solution

For further info on the game referred to above, read Appreciating Famous Games page 50 entitled "Satonoshi's Second Game".

The game is also on gobase.org if you have access.
Black: Yara no Satonoshi (15 years old at the time)
White: Aihara Kaseki (13 years old at the time)
Date: 1710-12-09
Place: Japan
Result: W+2