If black captures the hanging pawn, that is known as the Open Variation of the Ruy Lopez. I didn't want to get too deep into theory with this video as it was on

If black captures the hanging pawn, that is known as the Open Variation of the Ruy Lopez. I didn't want to get too deep into theory with this video as it was only supposed to outline opening ideas. White regains the pawn back due to his pressure on the e-file. You can read more about the variation here: http://en.wikipedia.org/wiki/Ruy_Lopez#Open_Defence:_4.Ba4_Nf6_5.0-0_Nxe4 http://en.wikipedia.org/wiki/Ruy_Lopez#Open_Defence:_4.Ba4_N...