pinwheel
uncommon shogi opening with the rook on the bottom rank 9 enabling it to switch between a Ranging Rook and Static Rook attack
en-GB/ˈpɪnwiːl/
en-US/ˈpɪnˌil/
uncommon shogi opening with the rook on the bottom rank 9 enabling it to switch between a Ranging Rook and Static Rook attack