In this clever and swoonworthy new novel from the New York Times and Sunday Times bestselling author of The Love Hypothesis, life''s moving pieces bring rival chess players together in a match for the heart. Mallory Greenleaf is done with chess. Every move counts nowadays; after the sport led to the destruction of her family four years earlier, Mallory''s focus is on her mom, her sisters, and the dead-end job that keeps the lights on. That is, until she begrudgingly agrees to play in one last charity tournament and inadvertently wipes the board with notorious ''Kingkiller'' Nolan Sawyer: current world champion and reigning Bad Boy of chess. Nolan''s loss to an unknown.