Ключевые слова: abstract, alpha, backdrop, background, black, blank, board, cage, check, checker, checkerboard, checkerboard pattern, checkered, chess, chessboard, competition, computer graphic, design, digital, empty, game, geometric, graphic, gray, grey, grid, halftone, illustration, isolated, modern, monochrome, ornament, pattern, repeat, repeatable, seamless, seamless pattern, shape, simple, square, swatch, swatches, textile, texture, tile, transparency, transparent, wallpaper, white,