size = 5 knights = 5 Q R B B B B K Q K R K K R Q Q R K B R B B Q B size = 6 knights = 9 R K B B Q B B R Q K B Q K K R K K R K Q B K R Q B K Q B B R B size = 7 knights = 15 R Q K B B B B K K Q K R B K K R Q B K R Q K B Q R K K B K Q K R K B K B B R K Q B size = 8 knights = 21 K R Q B B K B B K K Q K R B B Q K R K K B K R K K Q Q K K K R B K K R K Q B B K Q K R K B R K B B Q B size = 9 knights = 29 K B K B K R K Q B R K K Q K K B B R Q K K B Q K R K K B B K K K Q R B B K Q K K R B R K Q K B B K K K R K Q K Q K R K B K B B size = 10 knights = 37 K B B B K Q B R K B K K K R K Q B K Q K K R K K B K R K K K Q B R K K K Q K B B K Q K R K K B Q K K K K R B K Q K K R K B K R K Q K R K B Q K B B B B size = 11 knights = 47 K B K R K B K Q B B B Q K K K R K K K B K Q K R K B K R K K K Q B B Q K K R K K B K K Q K K R B R K K K K Q B B K Q K R K K K B K K K Q K R B R K K K K K Q K B B Q K B K R K B B size = 12 knights = 57 R K B K Q B B B B B B B K K R K K Q K Q K K R K K K K B R K K Q K K B B K Q K K R K K K K K K K R K Q K R K K K Q K K K Q K K K R K K B B K K Q K K R B K Q K K K K R K K K R K K Q B K B B R B B B Q K B K B size = 13 knights = 69 K B B B B B K B Q K R B K K K Q K R K K B K Q K R K K K K B R K K K K K Q K B K K Q K R K K K Q K K K K K R K B B R K K Q K B B K K Q R K K K K K K K K R K Q K B K Q K K K K K R B R K K K Q K K K B K K R K K K K Q K K Q B R K B B B B B B size = 14 knights = 81 K R K B Q B B B B B B B B B K K K R K Q K K K B Q K K K R K K K B K K K Q R K K K K K K K K K R K Q B K K K Q K K R K K K Q K K K K K R Q K K R K K K K K K K K K K R K Q K B R K K Q K K K K K K K R K K K Q B K R K K K Q K B K K Q K R K K K K K B B B B B B B B B Q K R B size = 15 knights = 94 K B K Q B K R B B K B B B B K K R K Q K K K K R K K K K K Q K K B K Q K K K K K R B B K K K K K R K K Q K Q K K K R K K K B K K K K K K R Q B B K K Q R K K K B B K R K K K Q K K B K Q K K K K K R K K K K R K K K K Q K B B K R K Q K K K K B K K K K Q K K K R K R K K K K K Q K B Q B B K B B R K B K B K B size = 16 knights = 109 R B K B K Q K K B B B B B B K K K K K R K Q K K B K Q K K K K K R K K B K K R K K K K K Q K R K K K Q K K K B K Q K K R K K K K B K K K K K R K Q B B R K Q K K K K K B B K K R K K K K Q K B B K K K Q K R K K B Q K K K K K K K R B K K K Q K K K K K R K K K R K K K K Q B K Q K R K K K K K K B K K K K R K Q K K K K B B B B B K Q K K B K R B B size = 17 knights = 124 K Q K B B K B K B K R B B K B B K K K Q K K K K R K B B K K R K K Q K K B B K K K K K R K K Q K K K K K Q K K K R K K K K K K R Q K K K B B K R K K K K K K Q B K Q K K K K K K K R B R K K K Q K K K B R K K K K K K K K Q B K K K K R K Q K B B K K Q K R K K K K K K K K K R K K Q K K K Q K K R K K K K K K B B R K Q K K K K K B B K Q K K K K R K K B K K K B B K B K B K B B Q K R B