Foldable chessboard box

A foldable chessboard box, comprising a first body and a second body, wherein the first body and the second body are hinged through a connecting portion so that the first body is capable of being opened or buckled relative to the second body;

• wherein the first body is provided with a first surface and a second surface opposite to the first surface, and the second body is provided with a third surface and a fourth surface opposite to the third surface, wherein the end surface of the connecting portion is higher than the second surface and the fourth surface;
• wherein both the second surface and the fourth surface are provided with a receiving slot for accommodating chess pieces, and both the first surface and the third surface are provided with a chessboard pattern;
• wherein the second surface is provided with at least one first installation slot, and the fourth surface is provided with at least one second installation slot relative to the first installation slot;
• wherein each first installation slot is fixedly provided with a first supporting portion comprising a first positioning slot and a first supporting foot protruding from the second surface, and each second installation slot is fixedly provided with a second supporting portion comprising a second positioning slot and a second supporting foot protruding from the fourth surface, wherein the end surface of the first supporting foot and the end surface of the second supporting foot are flush and both higher than the connecting portion;
• and wherein the first supporting foot is inserted into the second positioning slot and the second supporting foot is inserted into the first positioning slot to make the second surface and the fourth surface fit when the first body is buckled with the second body.