Our puzzles (1) reply to wrong moves, (2) accept alternative solutions, and (3) play multiple defenses.

Anyone can create and publish such puzzles using our chess puzzle editor. It's free for amateur noncommercial use, including posting puzzles to Facebook.

Chess for Kids - Free Online Course

a website for kids learning to play chess, which uses our online chess publishing tools

Chess at Apronus.com is free for non-commercial use only.