It’s Canon vs Nikon lenses used as chess pieces. The black are Nikons and the white lenses are Canons. The pawns look to be 70-200mm 2.8 zooms which list for around $2,300 a piece. The two rooks look to be 300mm f2.8 telephoto lenses. The knights must be 400mm f2.8 lenses. The bishops look to be 500mm f4 teles. The queen must be a 600mm f4 and the king must be a 800mm f5.6. At current market prices, each side rings in at around $100,000. That’s one expensive chess set!