Balance Out Your Chess (Part I: Opening and Endgame)

All great players are not always known for being good at all parts of the game, but they are. Mikhail Tal is known for his amazing imaginative attacking/sacrificial games, but was also very adept at the endgame. Anatoly Karpov was very well known as the great positional player and endgame extraordinare, but when the position called for it, he was able to attack with the best of them.

If you don't believe me, take a look at these games:

Below are puzzles in different areas of chess. Good luck!

Opening (for Black after 1. e4 e5)

Endgame Puzzles

Unfortunately, ex-World Champion Smyslov saw this tactic and played cxb6 knowing that he was playing a Queen sacrifice. See if you can play the same moves that justified his Queen sac.