Deep Blue Defeats Kasparov
Deep Blue vs Kasparov Rematch, Game 6, New York
IBM's supercomputer Deep Blue defeats world champion Garry Kasparov in the decisive game of their 1997 rematch — the first time a machine won a match against a reigning world champion.
Deep Blue vs Kasparov, Game 6 (1997) — the game that changed chess and AI history. Kasparov resigned after 19 moves.
📖 The Story
The 1997 Deep Blue rematch was the most watched chess event of the 20th century. Kasparov had won the 1996 match, but IBM upgraded their machine dramatically. In Game 6, under immense psychological pressure, Kasparov played poorly and resigned after just 19 moves — his shortest loss ever. The event was broadcast worldwide and marked a turning point in how humanity perceived artificial intelligence. IBM disbanded Deep Blue shortly after, never granting Kasparov the rematch he demanded.
⚡ Key Moment — Move 19
Kasparov resigns after 19 moves — his shortest loss ever. The combination of Deep Blue's precise play and Kasparov's psychological collapse produced a moment that changed chess history.
🎯 Tactical Themes
❓ Frequently Asked Questions
Did Deep Blue cheat against Kasparov?
IBM denied any cheating. Kasparov alleged a particularly strong move in Game 2 (Rd1!?) couldn't be computer-generated. An IBM programmer later revealed it was caused by a bug, not planning.
What happened to Deep Blue after 1997?
IBM dismantled Deep Blue immediately after the match and refused all rematch requests. Many chess historians consider this suspicious.
What was the score of the 1997 Deep Blue vs Kasparov match?
Deep Blue won 3.5–2.5 across six games. Kasparov won game 1, lost games 2 and 6, and the other three were draws.
Do you make similar mistakes in your own games?
Scan your Lichess or Chess.com games and see exactly which tactical patterns you miss — powered by Stockfish 18, free.