Judit Polgar Beats Garry Kasparov, 2002
In September 2002, at the Russia vs. Rest of the World rapid match in Moscow, Judit Polgar defeated Garry Kasparov, then the world's reigning No. 1 rated player, becoming the first woman in chess history to beat the top-ranked player in the world in serious competitive play. Kasparov had, in the past, been widely reported to have made dismissive remarks about women's chess. Polgar later called the win one of the most significant moments of her career.
A rivalry that already had history
Polgar and Kasparov's relationship carried real weight before this game, including the fallout from their 1994 Linares touch-move dispute (see our full account of that controversy), and years of Kasparov being widely reported as skeptical, at times openly dismissive, about whether women could compete at the very top level of the game.
The game itself
Playing in the "Russia vs. Rest of the World" exhibition, structured as individual rapid games between elite pairings, Polgar took the white pieces against Kasparov in a Ruy Lopez, reaching a Berlin Defence structure, the same rock-solid opening family that would later define an entire era of elite chess. She converted a real, earned advantage rather than benefiting from any Kasparov blunder or short draw.
Why this specific result carried so much weight
This was not simply Polgar's best-ever result, it was a direct, public answer to a specific, long-running argument about whether women could compete with the very best male players alive, delivered against the single player whose skepticism on that exact question was most publicly known. Polgar did not need to say anything afterward; the scoreline did the talking.
What Polgar said about it
Polgar later described the win as one of the most remarkable moments of her career, a notable statement from a player whose résumé already included wins over most of the world's elite and a peak ranking inside the world top 10 overall, regardless of gender categories.
The legacy of a single game
Individual results rarely settle broad arguments permanently, but this one came about as close as a single chess game can. Polgar spent her career being measured against the best players in the world rather than the best female players, and this win, against the specific player who had most publicly doubted that framing, remains the single clearest data point in her favour.