Three-Dimensional Chess is a variant of the traditional game of chess that adds an extra layer of complexity by incorporating multiple levels of play. Typically played on a set of three boards stacked vertically, players can move their pieces not only horizontally and vertically but also between the different levels. This creates a more intricate battlefield and requires players to think in three dimensions. The game retains the basic rules of chess, including the movement of pieces like the king, queen, and bishop, but introduces new strategies and tactics. Players must consider threats and opportunities from above and below, making it a challenging and engaging experience for enthusiasts of both chess and strategic games.