Math Duel Challenge vs Chess Codex

This game which includes the most effective mathematical methods of mental arithmetic.You can find math games, quiz and tests to improve your skills, measure your progress and stay on track with your goals. Take on the challenge and test your brain and mathematic abilities. The game is also suitable for children,school kids, teaching in the form of the game allows you to develop an abstract and logical thinking - this is a very effective way to develop logical thinking in the form of a puzzle game. We hope that you find it useful to improve your children’s knowledge and that it serve as a support for their studies. Now , this game have multiplayer game mode. You can play with friend via internet . Duel with friend or parent can play with their kid. Test your mind, skill speed and exercise your brain once a day- play and have fun- Let's go

Chess Codex is a calm, beautiful place to get sharper at chess. 20000+ hand graded puzzles take you from your very first checkmate to tactics that will test a club player. Every puzzle is a real position with one best move to find. Spot the fork, land the pin, set up the mate. Play offline, anywhere. No account, no sign up, no clutter. Chess Codex is part of Penrose Park Puzzles, a family of premium puzzle games.