Chess Trap : Guioco Piano 4. O-O

This is a trap in Guioco Piano Opening where white plays 4. O-O instead of 4. c3 You can also play it move by move at the following link 4. O-O

Chess Trap : Guioco Piano - 8. ...Bxc3

This trap can possibly be applied when black takes the knight with his Bishop in the eighth move...(See diagram below)