13. Pawns can only capture in a diagonal way as shown in Fig. 6 & 7. When a Pawn (white or black) places itself in front of any friendly or enemy piece, it cannot move forward or capture such piece. The Pawn cannot move to the red "X" as shown in the graphics below since it is an illegal move. White Pawn moves and can capture the black Pawn Black Pawn moves and can capture the white Pawn
14. When any Pawn white or black reaches an 8th rank square (white piece) or 1st rank square (black piece), it can be promoted to any desired piece of their same color other than King or Pawn (Fig. 8). This is done by removing the Pawn from the board and placing the wanted piece on the reached square. The Queen is chosen as a natural and logic move for it's the most powerful Chess piece. White and black players can promote to any higher piece
40. Oftentimes your opponent will not allow himself to be forked or skewered so easily! Thus you must set up the position so that you can deliver the fork or skewer
41. How? Use forcing moves , such as checks and captures to force your opponent into a fork/skewer situation