Nice project!
As it was not clear from the description, there's a one-time payment (4.29€) to get more than 7 puzzles in a day.
Lichess also offers a good alternative to this, although their offline support is limited.
As it was not clear from the description, there's a one-time payment (4.29€) to get more than 7 puzzles in a day.
Lichess also offers a good alternative to this, although their offline support is limited.
You are limited to 50 puzzles when off the network, and when you reconnect, the next 50 (or the delta between how many you played and 50) are redownloaded.
Maybe he's really good at chess?
(Unlike my former co-worker who would monopolize the one men's room stall for two hours at a stretch doing chess puzzles on his phone, and I'd have to go to the IT building. Gross.)