THIS IS A CHESS SOFTWARE DOWNLOAD VERSION. YOU WILL RECEIVE A LINK BY EMAIL WITH DOWNLOAD AND SERIAL KEY INSTRUCTIONS WITHIN 1 BUSINESS DAY OF PURCHASE. This training course contains 77000 mate in one exercises taken from practical games with many pieces on the board. An excellent follow-up to CD Elementary Checkmates I. The huge number of exercises also makes this course an excellent tool for speed training even for stronger players. It is intended for players with USCF rating of 500 or higher. Even if you only study and solve 10% of the exercises you will learn a huge number of mating patterns and probably never miss a mate in one again! You get plenty of feedback and opportunity to track your progress. Study the training material and test your knowledge Review your rating history Keep track of the progress of multiple users. Compete against your friends and family members Practice by playing against a chess program Note: Disclaimer: Once downloaded this item may only be returned in exhange for same item. Please contact the developer with any support issues.