Tactics galore

I am posting this game because it is by far the most intense and tactics-rich game that I have had the pleasure to play online. The tactics should be of interest to all sub-1800 players like myself. I have certainly learnt a lot from this game and I thank my opponent, haokaiyang, for it:)) I hope you will find it instructive too. (You will find the variations and explanations in the MOVE LIST.