Ключевые слова: 3d, act, advance, assault, attack, black, business, challenge, checker, checkers, checkmate, chess, choosing, color, colored, combat, competition, competitors, concept, convenience, decision, design, horse, intelligence, items, jump, king, mind, move, movement, object, piece, pieces, planning, play, power, queen, red, risk, selecting, square, strategy, study, success, table, three dimensional scenes, tower, white, winning,