Innovations such as 13.O-O-O spread around the world at lightning speed today thanks to modern media, but at the time two more prominent players still fell victim to it.
Maus' win against Hübner caused a sensation in German chess circles, but it took a while for the novelty to reach the wider chess world. This sluggish flow of information brought Stefan Kindermann an easy win a week later in the fourth round of the Dortmund Grandmaster Tournament against Russian grandmaster Lev Psakhis.
YOUR EASY ACCESS TO OPENING THEORY: Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product.
YOUR EASY ACCESS TO OPENING THEORY
Be well prepared with the new Opening Encyclopaedia 2026! Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product and is the ideal start for your opening training. Many new articles enrich the current theory with new or revisited ideas. The Encyclopaedia can help you learn openings quickly and give you a head start on your next opponent. Each article contains explanations and annotated games illustrating typical plans to deepen your understanding.

Stefan Kindermann: GM, successful coach and ChessBase author | Photo: Stefan Kindermann
A further month later, on 13 April 1989, Chandler's discovery claimed another victim - Wolfgang Uhlmann, one of the greatest French Defence experts of all time.
Nowadays, in the internet age, such successes are scarcely possible anymore. Engines already warn of possible dangers during opening preparation, and spectacular novelties have a short shelf life. But opening preparation remains important, even if one has to look for new ways to surprise one's opponents.
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