Play, learn and have fun with the most advanced free online chess game. Improve your skills with various AI opponents or challenge your friends in multiplayer! Download · Chess Puzzles · Leaderboards · Learn Chess. 98 SE OSR2 OSR1 95 NT4 NT DOS 6 Tricks Secrets Tips Tweaks Hacks Fixes Updates Upgrades games chess. flashCHESS ||| 3D + 2D. flashCHESS III is a free online chess game that allows you to practice chess against the computer. To play, you need to have Adobe Flash Player 9 and to have.