Ключевые слова: background, battle, begin, black, board, boat, brown, call, challenge, chess, chess clock, chess piece, chessboard, choice, clock, competition, competitive, concept, conflict, control, copy space, fight, figure, game, hobby, intelligence, king, leadership, leisure, match, movement, object, opening, pawn, piece, play, playing, position, setup, soldier, sport, strategic, strategy, success, table, time, vintage, vs, white, wrestling,