How you can develope your Chess skills. Advice for beginners.

For a beginner, study pins, forks, discovered attacks and skewers. Then you will be able to avoid, and to play them, against your opponent. Because if you lose two pieces the game is already over.

Join a club, there will be people of your skill level, and that is the only way to fully understand the game.

The rules of Chess
http://en.wikipedia.org/wiki/Rules_of_chess
Castling of King and Rook
http://en.wikipedia.org/wiki/Castling
Promotion of pawn on reaching 8th rank
http://en.wikipedia.org/wiki/Promotion_%28chess%29
En Passant – When one pawn takes another which has moved two squares
http://en.wikipedia.org/wiki/En_passant

Tactics
http://en.wikipedia.org/wiki/Chess_tactics
pin
http://en.wikipedia.org/wiki/Pin_%28chess%29
fork
http://en.wikipedia.org/wiki/Fork_%28chess%29
discovered attack
http://en.wikipedia.org/wiki/Discovered_attack
skewer
http://en.wikipedia.org/wiki/Skewer_%28chess%29

edit: If your piece or king is being attacked there are these three things to think about, move away from the attacker, block the attack by interposing a lesser value piece, or capture / take the attacker. Sometimes although rare, it is possible to counter attack.

NOTE: I "iRudyard" did not write this. I just thought it was worth a repost for you all to read.