Jackson Whipps Showalter (February 5, 1859 in Minerva, Kentucky – February 5, 1935 in Lexington, Kentucky) was a five-time U.S. Chess Champion: 1890, 1892, 1892–1894, 1895–96 and 1906–1909.
Jackson Whipps Showalter (February 5, 1859 in Minerva, Kentucky – February 5, 1935 in Lexington, Kentucky) was a five-time U.S. Chess Champion: 1890, 1892, 1892–1894, 1895–96 and 1906–1909.