100 Great Chess Upsets of 2013: Don't look now, they might be gaining on you
Here is a collection of 100 chess puzzles from games played in 2013, where David beats Goliath - ELO ratings differ by 200 to 600 points or more and grandmasters sometimes lose to unrated players. The player at the bottom of the board moves first and wins. Solutions and diagrams are found at the end of the pamphlet.