Please answer the following question: Information: - Eugene Delmar ( born September 12 , 1841 , New York -- died February 22 , 1909 , New York ) , was one of the leading United States chess masters of 19th century and the four - time New York State champion in 1890 , 1891 , 1895 and 1897 . He won a match against Robert Henry Barnes with only a single draw ( +7 -- 0 = 1 ) . - A chessboard is the type of checkerboard used in the classic board game chess, and consists of 64 squares (eight rows and eight columns) and 32 pieces. The squares are arranged in two alternating colors (light and dark). Wooden boards may use naturally light and dark brown woods, while plastic and vinyl boards often use brown or green for the dark squares and shades such as buff or cream for the light squares. Materials vary widely; while wooden boards are generally used in high-level games; vinyl, plastic, and cardboard are common for low-level and informal play. Decorative glass and marble boards are available but rarely accepted for games rated by national or international chess federations. Each square on the board has a name from a1 to h8. - Chess is a two-player strategy board game played on a chessboard, a checkered gameboard with 64squares arranged in an eight-by-eight grid. Chess is played by millions of people worldwide, both amateurs and professionals. - A board game is a tabletop game that involves counters or moved or placed on a pre-marked surface or "board", according to a set of rules. Some games are based on pure strategy, but many contain an element of chance; and some are purely chance, with no element of skill. - Robert Henry Barnes (2 October 1849 1916) was a BritishNew Zealand chess player. What is the relationship between 'eugene delmar' and 'chess player'?
A:
occupation