developer_board App for Developer: Chess King
Descover All App for Developer: Chess King

More than 2500 exercises for mating in 3 or 4 moves!

Mega endgame course with more than 600 lessons and...

Mate in 1 (Chess Puzzles)
2500 chess exercises to train mate in 1 move. Easy?...

Manual of Chess Combinations
Based on a textbook by a renowned chess trainer Sergey...