Focus your visualization on one quarter of the board at a time. Breaking down the chessboard into sections makes it easier to build a complete mental image. Perfect for beginners starting their blindfold journey.
Pro tip: Start by mastering one quadrant before moving to the next.
The board is split into four 4x4 zones (a-d/1-4, e-h/1-4, a-d/5-8, e-h/5-8) and you work inside one of them at a time. Sixty-four squares is more than working memory holds as a flat list, which is why beginners who try to learn the whole grid at once end up confident on the edges and vague in the middle. Sixteen squares fits comfortably, and four solid quadrants stitch together into a board that has no blind spots.
The zone that matters most is the kingside quadrant e-h/1-4 and its mirror e-h/5-8, because that is where most attacks land and where a hazy mental map costs you games. Work one quadrant until it is effortless before adding the next, and resist jumping around: the point is to overlearn a small region, not to sample all four. This drill sits naturally after coordinate training and before the piece-path exercises like knight movement, which assume you can already place a square without hunting for it. For where it fits in the wider progression, see the chess visualization guide.