- Source: 2005 in chess
- Remis (catur)
- Garry Kasparov
- Pertahanan Sisilia
- Chelsie Monica Ignesias Sihite
- Judit Polgár
- Anak ajaib catur
- Wang Hao (pecatur)
- Alexandra Kosteniuk
- Pembukaan Benko
- R Praggnanandhaa
- FIDE World Chess Championship 2005
- 2005 in chess
- Chess World Cup 2005
- World Chess Championship
- Corus Chess Tournament 2005
- List of World Chess Championships
- R Praggnanandhaa
- Chess960
- World Chess Championship 2007
- Comparison of top chess players throughout history
Deaths
January 2 – Arnold Denker (b 1914), 90, American Grandmaster.
January 3 – László Vadász (b 1948), 56, Hungarian Grandmaster.
March 14 – Simon Webb (b 1949), 55, British International Master, International Correspondence Chess Grandmaster, and chess writer.
April 9 – Dragoljub Minić (b 1937), 68, Yugoslavian/Croatian Grandmaster.
April 22 – Leonid Shamkovich (b 1923), 81, Russian/American Grandmaster.
June 1 – Vladimir Savon (b 1940), 64, Soviet/Ukrainian Grandmaster, USSR Champion 1971.
November 3 – Hrvoje Bartolović (b 1932), 73, Croatian Grandmaster of Chess Composition and International Judge of Chess Compositions.
November 12 – Dragutin Sahovic (b 1940), 65, Serbian Grandmaster.
November 17 – Igor Vasilyevich Ivanov (b 1947), 58, Russian/Canadian Grandmaster.
December 15 – Enrico Paoli (b 1908), 97, Italian Grandmaster, established the Reggio Emilia chess tournament.
December – Béla Berger (b 1931), 74, Hungary/Australia.