This book contains 100 chess puzzles and their solutions, all of which are either fork, pin, or skewer tactics. The puzzles are intended for players of intermediate level.<br/><ul><br/> <li>If you attack two of the opponent&#39;s pieces at the same time by using one piece, this is called a fork.</li><br/> <li>When a defensive piece is stuck in a pin, it can&#39;t move without exposing a more valuable defending piece on the opposite side to assault.</li><br/> <li>A skewer is an attack upon two pieces in a line and is similar to a pin.</li><br/></ul>