“…In [12], the authors presented a four degree-of-freedom chess-playing robotic manipulator based on a computer vision chess recognition system, whereas in [13,14], a Baxter robot was used to play chess in unconstrained environments by dynamically responding to changes. Other recent examples are the manipulator for Chinese chess presented in [15], the didactic robotic arm for playing chess using an artificial vision system described in [16], and the Chinese chess robotic system for the elderly using convolutional neural networks shown in [17]. Moreover, in [18], the implementation of collaborative robots for a chess-playing system that was designed to play against a human player or another robot was experimentally evaluated.…”