A visual grid appears with one piece missing. Your job is to identify which of four options logically completes the pattern. Grids grow more complex as you progress through 12 rounds.
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No time limit per question — but total time is scored.
Five mate-in-1 positions. Find the checkmate. Speed and accuracy both scored.
Four things. Three share a hidden connection. Find the one that doesn't belong.
Solve equations where each colour has a hidden value.
Objects on a scale. Logic clues tell you their weights. Which side is heavier?