Chess Applied to Personal Development is an innovative educational and training approach that combines the strategic power of chess with personal growth, emotional regulation, and cognitive development. Chess originated in India more than 1,500 years ago as the ancient game Chaturanga and later expanded through Persia, the Arab world, and Europe until becoming one of the most respected intellectual disciplines worldwide. Beyond competition, chess strengthens memory, concentration, perceptual and fluid reasoning, working memory, planning, and decision-making abilities. In older adults, chess helps maintain cognitive functioning and may contribute to the prevention of Alzheimer’s disease and cognitive decline. In adolescents and young adults, chess promotes strategic thinking, helping them evaluate risks, foresee consequences, and make healthier life decisions. Chess has also been integrated as an evaluation and psychotherapeutic tool because it reveals personality traits, emotional resp