c1 a very powerful piece the octopus N Muminova vs Bich Ngoc Pham, 2012  (B18) Caro-Kann, Classical, 58 moves, 1-0 Plus Schlechter vs K Havasi, 1918  (C66) Ruy Lopez, 19 moves, 1-0 P A David vs Vachier-Lagrave, 2014  (A15) English, 27 moves, 0-1 C C Holt vs L Milman, 2011  (E32) Nimzo-Indian, Classical, 29 moves, 1-0 4 games