International Grandmaster Karsten Müller is recognized as one of the world’s top endgame experts. He is the author of many books on endgames and chess tactics. He is the author of ...ver maisInternational Grandmaster Karsten Müller is recognized as one of the world’s top endgame experts. He is the author of many books on endgames and chess tactics. He is the author of over a dozen chess books published by Russell Enterprises.ver menos