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This is a quiz based on very hard puzzles taken from master games, not from composed problems. Because of the difficulty and complexity of the puzzles, you score points just for getting the first move right. You do not have to see all the way to the end. At the end of the quizzes, you are rated based on how many you got right.
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🇺🇸 Ship from USA · On Agora since 2026
$18.95