Shellshocked: Lee Sedol reviews the match after losing the Google DeepMind Challenge series 4-1

Perhaps not since Neil Armstrong set foot on the moon has one person been so vested with the responsibility of representing all of humanity. But inste(...)

South Korean professional Go player Lee Sedol reviews the board after his fourth match against Google’s artificial intelligence programme AlphaGo in Seoul, South Korea. Photograph: Google via Getty Images

South Korean Lee Sedol has won his first match against a computer programme developed by a Google subsidiary in the ancient board game Go, denying a c(...)

South Korean professional Go player Lee Sedol  after putting his first stone against Google’s artificial intelligence programme, AlphaGo, during the third Google DeepMind Challenge Match in Seoul, South Korea. Photograph: Google via Getty Images

Google’s artificial intelligence (AI) programme on Saturday took a 3-0 lead in a five-match series against one of the world’s top players of the compl(...)

 After the 2013 treble Pep Guardiola’s challenge was no longer to take Bayern to the next level, but to maintain the standards set by his suddenly illustrious predecessor. Photograph: Michaela Rehle/Reuters.

Many neutrals find Chelsea a hard club to like, but one night in May 2012, they were briefly Germany’s second-favourite team. Chelsea were playing Bay(...)

President of St Louis Chess Club Rex Sinquefield (left) and Republican congressman Blaine Luetkemeyer at a special event held at United States Capitol Building in 2013 in Washington, DC. Photograph: Ilya S Savenok/Getty Images

Rex Sinquefield was once a passenger on the same international flight as the notoriously irascible grandmaster Bobby Fischer. For a chess nut, this pr(...)

Russian opposition activists carry portraits of activists and placards reading ‘Freedom to prisoners of 06 May 2012’ during a rally in support of freedom of the press in downtown Moscow today. Photograph: Sergei Ilnitsky/EPA

About 5,000 Russians, some waving Ukrainian flags, rallied in central Moscow today to protest at what they say is a government crackdown on ind(...)

Garry Kasparov, considered the best chess player of all time, at the Clarence Hotel, Dublin, yesterday. Photograph: Brenda Fitzsimons / The Irish Times

“I’ve been warning for many years that one day Vladimir Putin would show his colours,” says Garry Kasparov, who was, until his(...)

Defendants facing trial over clashes with the police during an anti-Putin protest last year, gesture inside a glass-walled cage before a court hearing in Moscow yesterday. Photograph: Sergei Karpukhin/Reuters

Twelve Russians have gone on trial for their alleged part in clashes during a protest against President Vladimir Putin, in what critics call further p(...)