Greatest Olympiad Underdogs - The Underdog

by Arne Kaehler
10/1/2026 – In this Olympiad special of The Underdog, Robert Ris presents seven remarkable upsets from both the Women’s and Open sections, chosen not only for the rating differences but also for the instructive chess behind them. The examples range from spectacular attacking ideas and sudden tactical reversals to missed winning chances and difficult endgames, showing how quickly a game can turn even when the stronger player appears to be completely in control. One particularly dramatic example sees Arjun Erigaisi lose after dominating much of his game, while another features a rating difference of almost 600 points and a winning material advantage that disappears after a major tactical oversight.
Mastering these tactical motifs is essential to deepen your understanding of the game and become a better player. After all, you neither want to overlook the given chances by your opponent, nor blunder yourself!

The Underdog!

with IM Robert Ris

We all love stories where a vastly underrated player surprises everyone by beating a much stronger player. Fortunately, we are all human.

But how do these things happen? What are the moves that lead to success? And what can we learn from these examples for the times when we face a stronger opponent?

Dutch IM Robert Ris presents us with real-life examples of such encounters from the past month. Together with his co-host Arne Kaehler, they look at the tactics and strategies that led to the upset.

Robert Ris has authored plenty of FritzTrainers for ChessBase — these are his newest, and perfect for every "Underdog"

Mastering these tactical motifs is essential to deepen your understanding of the game and become a better player. After all, you neither want to overlook the given chances by your opponent, nor blunder yourself!

Mastering these tactical motifs is essential to deepen your understanding of the game and become a better player. After all, you neither want to overlook the given chances by your opponent, nor blunder yourself!

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Topics: Robert Ris, Underdog
Arne Kaehler, a creative mind who is passionate about board games in general, was born in Hamburg and learned to play chess at a young age. By teaching chess to youth teams and creating chess-related videos on YouTube, Arne was able to expand this passion and has even created an online course for anyone who wants to learn how to play chess. Arne writes for the English and German news sites, but focuses mainly on content for the ChessBase media channels.
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