Carlsen vs Nakamura ½ - ½
Magnus Carlsen's opening move against Hikaru Nakamura in the fourth round of London Classic was d4 and it was going to be Slav Defense with a surprise (in form of 6. Nh4) for Nakamura.
"Hikaru Nakamura was the most impressive performer today. He did more than hold Magnus Carlsen to a draw, he was pressing with Black."
Below is the whole game game played by Carlsen and Nakamura: