German chess grasp and author who’s known as an excellent strategist and problemist. During Globe Battle I, he fought in eastern front side, where he was captured by Russians, and used as a prisoner of battle. He released two books on chess, in 1926 and 1928, which are still found in research today. His dad was an Austrian Armed service Officer. He has already established a great effect on the modern video game like Savielly Tartakower.