May 10 – Milan Vukcevich (1937–2003), 66, Yugoslav/American International Master, Grandmaster of Chess Composition, and scientist.
2003 | 2003 in music | chess | 2003 invasion of Iraq | Chess | 2003 ATP Tour | 2003 Pan American Games | 2003 Rugby World Cup | World Chess Championship | Chess Records | United States Chess Federation | Communications Act 2003 | 2003 in film | Ontario general election, 2003 | 2003 World Series of Poker | 2003 World Championships in Athletics | 2003 in television | Chess Olympiad | 2003 in baseball | U.S. Chess Championship | Quebec general election, 2003 | 2003 Cricket World Cup | Party Monster (2003 film) | Internet Chess Club | Chess (musical) | 2003 NFL season | Peter Pan (2003 film) | New South Wales state election, 2003 | American Chess Congress | 2003 WTA Tour |