Whether you'd like to increase your mental health or just relax after a stressful holiday visit, there aren't many games more classic than chess. Over at tips and tricks blog MakeUseOf, they have rounded up a variety of ways you can both play and sharpen your chess game. The screenshot above is from FlashChessIII, a beautifully rendered flash-based and free for download chess game. If you're concerned that all the playing in the world won't make you any better, they have a variety of resources listed for helping you not just play but increase your grasp of the game. My favourite was Chess Problems, a site which generates "puzzles" based on chess board setups ranging from simple to extremely complicated. After some practice at Chess Problems you won't find yourself often staring down a chess board without a clue what your next move will be.