Make sure to use your king! When all else is equal, the side with the more active king will get the upper hand. If you're unsure how to evaluate a knight endgame, try to see which king is closer to the center or queenside -- the closer king will be able to contribute to the action first.
If you are reading this instead of viewing a chess puzzle or game, then you must enable JavaScript on this website.
[Event "rated untimed match"]
[Site "?"]
[Date "1974.??.??"]
[Round "?"]
[White "Gaprindashvili, Nona"]
[Black "Vorocsy"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "7r/4R1Qp/p4p2/4p2k/P3P3/4q1PP/6PK/5r2 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ Here the Women's World Champion did not find the right move. So don't feel
bad if you cannot find it. } 1. Rxe5+ fxe5 2. g4+ Kh4 3. Qe7+ Qg5 4. g3# 1-0