Alekhine v/s Bogoljubov
Channel: IndiaVoice
Date: 2013-09-06

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Alexander Alekhine was the fourth World Chess Champion and often considered one of the greatest chess players of all time. By the age of twenty-two, he was already among the strongest chess players in the world. You can compare him with what is magnus carlsen today. At the time of this game future world champion was among the top 5 players in the world. He was 21 at the time of this game. His rival and 3 years older Efim Bogolyubov was a Russian chess grandmaster who won numerous events and played two matches with Alexander Alekhine for the world championship title.The Bogo-Indian Defence characterized by  1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ is named after Bogolyubov. Chess metrics has Bogoljubow at no.1 in the world in January 1927 rating list (http://chessmetrics.com/cm/CM2/SingleMonth.asp?Params=192701SSSSS3S000000192701111000000000000010100) at the age of 38.This game was played in year 1913 or 1914 as year cited is different in various sources. chessgames.com says it was year 1914. Game was played in St. Petersburg on the banks of Neva River in Russia. If the game is played in year 1914 than city was known at that time as Petrograd.

Back in year-2004 when engine technology was not that advanced and Houdini was not ruling the chess world somebody with handle "uglybird" on chessgames.com kibitzing (http://www.chessgames.com/perl/chessgame?gid=1030596) commented that after 15. .. Bg4! black has good game in all variations. May be that is true for
human analysis but recent advancements in chess engines suggested that white was still better after that move and at the depth of 23/63 moves houdini 1.5a free version still gave +1.75 for white after 18. .. Rd6. Stockfish 4 Opensource Engine analyzed position further and gave Alekhine almost +2.9 or 3 pawns ahead of Bogo in this position.

Basically due to queen v/s knight ending in all variations Alekhne resigned after just 27 moves.