Otherwise known as the Tartakower Variation, the opening begins with the simple 1.e4 c6 2.d4 d5 3.f3 The idea is to open the f-file to bring pressure on Black's kingside quickly. The opening is often characteristic of sacrifices and other fireworks. Here are some puzzles. White to move and win.
More puzzles from the Fantasy Variation can be found at wtharvey.com/b21.html