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Crack the secret color code in as few guesses as possible. After each guess, you get feedback: correct color and position, or just correct color. A classic code-breaking game.
Logic skills transfer to business.
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Guess the secret 4-color code. After each guess, black pegs mean correct color in correct position, white pegs mean correct color in wrong position. Use deduction to narrow down the code within 10 attempts.
An optimal first guess uses 4 different colors. Use information from pegs to systematically eliminate possibilities. The Swaszek strategy guarantees a solution within 5 guesses.
Brooker, H. et al. (2019). "The relationship between the frequency of number‐puzzle use and baseline cognitive function in a large online sample." Int J Geriatr Psychiatry, 34(7), 932-940.