Ключевые слова: battle, bishop, black, brown, challenge, checkmate, chessboard, compete, competition, competitor, concept, conflict, decision, design, enjoy, fun, game, grand, grandmaster, hobby, intelligence, intelligent, king, knight, leadership, leisure, master, mental, move, object, opponent, pattern, pawn, planning, play, player, queen, skill, sport, strategic, strategy, succeed, success, table, think, tournament, toys, victory, white, win,