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Today in History: Deep Blue defeats Kasparov, revolutionizing chess history

5/11/2025

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Summary

Story summary

On May 11, 1997, IBM's Deep Blue made history by defeating reigning world chess champion Garry Kasparov in a six-game match, winning 3½–2½. This marked the first time a computer triumphed over a world champion under tournament conditions, signifying a pivotal moment in artificial intelligence and chess history.

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Story summary

On May 11, 1997, IBM's Deep Blue made history by defeating reigning world chess champion Garry Kasparov in a six-game match, winning 3½–2½. This marked the first time a computer triumphed over a world champion under tournament conditions, signifying a pivotal moment in artificial intelligence and chess history.