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Numbers, triangles, squares and circles printed on stones in a Go diagram.
Also known as: Go diagram symbols, Stone markers, Go move numbers
A printed Go diagram marks stones with numbers to give the order of play, and with triangles, squares, circles and crosses to point at stones the commentary discusses. The convention that catches readers out is what happens when a stone is captured and another played on the same point: the diagram cannot show two stones at one intersection, so the move is noted in text beneath instead. Marker shapes are a publishing convention rather than a rule, and books state their own key.
Breaks down where a stone is captured and another is played on the same point, because a diagram cannot show two stones at one intersection. Such moves are described in text beneath the diagram instead, which is why some sequences appear to skip numbers.
Filled and hollow discs placed on the intersections of a ruled grid, some carrying a small numeral and others a triangle, square or cross printed inside them.
Both belong to the printed record of a Go game.