Here's a very neat little tactical shot.
Black has just played 21.... Qxh4.
White to play and get an advantage.
Answers as usual can be shown by highlighting between the brackets
[The famous Knight moves strikes again.
22. Nxg7+ Kf7
23. Qxe7+! Kxe7
24. Nxf5+ Kd7
25. Nxh4 and White is a minor piece up and winning.]