Can you crack this very tough endgame study?

Here it is for you. It is White to play and win, composed by Kalyagin and Mitrofanov in Galitzky MT Severocesky Denik 1993:

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Would you like to improve your endgame play, so that you can convert advantages into...

What are the best openings to play with White, when you are a beginner?

In truth, the openings are not the most important thing for players starting out, as the games are going to generally be decided by exploiting and avoiding blunders, and basic tactics. 

However, there are certainly...