Werner Keym, is a teacher (of French and Latin) and a musician who has organised more than 300 concerts in his town. In 2010, he ran as an independent candidate for Mayor of Meisenheim and won in a landslide. He held that position until 2014, when at 72 he retired to devote more time to his family — he has five grandchildren — and to his hobbies, foremost of which is problem chess.
12/28/2025 – These days it is not easy to challenge anyone with problems or studies. Loading the PGN and clicking Start will usually get you the solution in seconds. So we are trying to provide you with "computer resistant" puzzles in this year's Christmas Puzzle Week. Today the subject is taking back a move in a given position and looking for a move to fulfil the condition. As in this 100-year-old problem by Thomas Dawson: it requires you to take back one move and then mate the opponent in two. Can you think how?
12/26/2025 – Take a look at this position, in which White should mate in two. Looks very easy, and hundreds of readers of the newspaper in which it appeared submitted a solution. But it was not correct. In our Christmas Puzzle week the consummate expert of unusual chess problems, Werner Keym, asks you to look carefully at the position and find a genuine way for White to mate Black in two moves. There are two other problems to solve.
London System PowerBase 2026 is a database and contains in all 11 285 games from Mega 2026 and the Correspondence Database 2026, of which 282 are annotated.
The London System Powerbook 2026 is based on more than 410 000 games or game fragments from different opening moves and ECO codes; what they all have in common is that White plays d4 and Bf4 but does not play c4.
In this course, Grandmaster Elisabeth Pähtz presents the London System, a structured and ambitious approach based on the immediate Bf4, leading to rich and dynamic positions.
Opening videos: Open Spanish (Sipke Ernst) and Classical Sicilian (Nico Zwirs). Endgame Special by Igor Stohl: ‘Short or long side’ – where should the defending king be placed in rook endgames? ‘Lucky bag’ with 35 master analyses.
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.
London System PowerBase 2026 is a database and contains in all 11 285 games from Mega 2026 and the Correspondence Database 2026, of which 282 are annotated.
The London System Powerbook 2026 is based on more than 410 000 games or game fragments from different opening moves and ECO codes; what they all have in common is that White plays d4 and Bf4 but does not play c4.
In this course, Grandmaster Elisabeth Pähtz presents the London System, a structured and ambitious approach based on the immediate Bf4, leading to rich and dynamic positions.
Opening videos: Open Spanish (Sipke Ernst) and Classical Sicilian (Nico Zwirs). Endgame Special by Igor Stohl: ‘Short or long side’ – where should the defending king be placed in rook endgames? ‘Lucky bag’ with 35 master analyses.
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.
€169.90
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