rook

But on the 55th move, Ding committed a fatal blunder – moving his rook into a position to be taken.

Now, it seems the poison wasn't consumed by rodents - but by rooks and crows.

Rxd3, and White’s pawns will prove sitting ducks in a shooting gallery for Black’s rook.

The bishops rip the pawn cover from the Black king, and the White queen and rook take it from there.

Nd5!!, putting a knight en prise with a rook already hanging in order to run down the Black king.