Ключевые слова: background, battle, battlefield, black, blur, board, business, challenge, chess, chessboard, choice, competition, concept, copy space, decision, defense, education, enemy, field, fight, figure, game, horizontal, horse, idea, intelligence, king, knight, leader, leadership, leisure, move, object, pawn, pieces, plan, planning, play, queen, sport, squares, strategic, strategy, success, tactic, team, think, tournament, white, wooden,