This is the 18277th most frequent Russian word.
шахматы
Chess.
Here, "шахматы" refers to the game of chess in general, denoting the activity or interest in playing it.
Я увлекаюсь играть в шахматы.
I enjoy playing chess.
"Шахматы" here is part of the phrase "доска для шахмат," which refers to the chessboard, illustrating the physical equipment used for playing chess.
На доске для шахмат есть 64 клетки.
The chessboard has 64 squares.
In this sentence, "шахматы" indicates the specific field or domain in which a championship status has been achieved.