Cool App
I recently bought Improve Your Chess Tactics via this App and Im pretty happy with this purchase. In old days I had to work with a book and a chessboard (because i believe just visualising a combination is not enough, you need to see pieces moving to bolster your tactical memory). With the help of this App I dont need a chessbook, a piece of paper to record the solutions and a chessboard to check how well Ive done. Id like more tactical exercise workbooks, because I think its one of the most useful ways to use this App. And also integration with a chess engine will be an excellent addition.
Atti43 about
ePlusChess Books, v1.5