Best viewed in Full Size Image! Black Knight moves back. Ruy Lopez or Spanish Opening, see https://en.wikipedia.org/wiki/Ruy_Lopez with the Berlin Defense, see https://en.wikipedia.org/wiki/Ruy_Lopez#Berlin_Defence, sometimes called 'The Berlin Wall'. Fifth Move - Black The displayed moves are marked '>>'. 1 white E2-E4 Classic opening with the white Kings Pawn >> black E7-E5 Classic answer with the black Kings Pawn -> Chess in the Park: First Move 2 white N G1-F3 White Queens Knight attacks Black Pawn >> black N B8-C6 Black Queens Knight moves to defend Black Pawn -> Chess in the Park: Second Move 3 >> white B F1-B5 White Kings Bishop running ('Läufer' in German!) into attack position on Black Knight >> black N G8-F6 Black Kings Knight comes out to attack White Pawn 4 white K E1-G1 0-0 Castling >> black N F6xE4 White Pawn is captured by Black Knight 5 >> white D2-D4 Another White Pawn moves and attacks the Black Pawn >> black N E4-D6 Black Knight draws back 6 >> white B B5xC6 White Bishop captures Black Knight, Black Pawn is not longer covered