Missed tactical opportunities...

04.09.2009 – ... in games on the very highest level truly are a rare occurrence. Yet sometimes... Okay, this is what happened: 36.Nxf6+ Rxf6 37.Rxf6 Qxf6 38.gxf4 gxf4 39.Qe2 and soon after the peace pipe was smoked. How would you judge this sequence?
A) the moves were correct, so the draw was the logical result.
B) Black missed a forced win on the way.
C) using a little trick, White could have obtained a clearly better endgame.
The solution is here, but first ponder over it with a larger version of the diagram

source - chess base