駒独 Solution

Answer: KBBQ RN

The title 駒独 is a reference to Sudoku (数独), but 駒 is the term for a (game) piece whereas 数 refers to digits. This hints that the numbers written in the given Sudoku-like puzzle refer to pieces from some game.

The first step is to realize that these are chess pieces, and the number represents the piece's point value (infinity represents King, and 0 represents an empty space).

The second step is to uncover the logic for piece placement:

• Chess pieces of the same type must be placed so they are not attacking each other (like in the 8 queens puzzle, hinted by "92 answers" in the flavor text)
• Each subgrid contains one of each type of piece (also hinted by the title 駒独)

The complete piece placement is underspecified, but the circled pieces are unambiguous. Although bishops and knights cannot be distinguished initially, by looking for diagonals that pass through two 3s in a single subgrid, we know that both a bishop and a knight exist on this diagonal, hence any other 3s on the diagonal must be knights.

One possible piece placement is:

Going clockwise, the 8 circled spots contain:

• King, Bishop, Bishop, Queen → KBBQ ("What do we want?")
• (empty cell or pawn), Rook, Knight → RN ("When do we want it?")