Want to play chess online? Big mistake! 
Big mistake because on the internet can not play chess. It can not play chess with a human opponent, if you want to play against the computer it's no problem (but do not have the same charm). 
And it's simple why he can no longer play: it is very easy to cheat.

There are probably a lot of simulators Chessmaster chess, but is best known. Install it, go online to play chess with someone and put it to analyze your moves. In a second and offers the most suitable scheme.And so, without knowing all chess, you can beat online, and the great master.

The trouble is that there is a solution against this way of cheating. So, no longer can play chess online. 
Or play but always sit and wonder "that plays good chess or cheat?".