Blumenthal Oskar (13.03.1852 – 23.04.1917) German player and chess problemist who published more than 860 problems. The author of the famous Schachminiaturen with 360 short problems in 1902 and 1903. [Event "Deutsches Wochenschach"] [Site "?"] [Date "1914.??.??"] [Round "?"] [White "Oskar Blumenthal"] [Black "Mate in 4 moves"] [Result "*"] [SetUp "1"] [FEN "B7/8/8/8/5K1p/6Bk/7N/8 w - - 0 1"] [PlyCount "7"] 1. Bf2 $1 Kxh2 2. Kg4 h3 3. Kf3 Kh1 4. Kg3# * You must activate JavaScript to enhance chess game visualization.