The Solitaire Chess Game by ThinkFun offers 80 single player challenges for players aged 8 years and above. This brain fitness game features a classic chess theme in black color, made of durable plastic material. Tournament Chess compliant, it is a great option for individuals looking to improve their chess skills and have a fun alone-playing experience. Designed in 2018, this game is perfect for both young and older players looking to enhance their strategic thinking abilities.