chequered pattern / background with swirling effect

art artistic assymetric assymetry background black blackwhite checkered chequered chequred chess chessboard deform deformation deformed distorted distortion effect eps eps10 geometry grayscale greyscale hypnotic illusion irregular malformed minimal monochrome optical pattern rotated rotation spiral spire swirl tiles twist uncolored unusual vector visual vortex warp weird whirl whirlpool white