Chess King is an excellent product for chess fanatics of all levels. Powerful , easy to navigate, with a huge, superbly maintained database, this is by far the best value chess software available.. Equally important is the amazing support from the Chess King team who are always ready to quickly assist, whatever the query. , Fast delivery, smooth downloads, great graphics , this is software to die for! I have been an active Amazon customer for many years and this is the first time I have been motivated to post a testimonial for any product. This is how highly I rate this product, buy with confidence.