The octogenarian puzzle master

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 for Mayor of Meisenheim and won in a landslide. Now in retirement he devotes his time to the family — he has six grandchildren — and to his hobbies. The foremost of them is problem chess, where he is the is one of the most creative problemists we know. Today he turns 80, and we celebrate with samples of his work. Prepare for an hour of fun.