Winning Simplification

Here is a game from the 2008 US Senior Open, IM Kaufman - IM Foygel with full annotations and commentary:

In this game we saw black play some slow opening moves which allowed white to take a lead in development. Then white was able to find the key move 13. Qd5 simplifying into a winning endgame with the better pieces and a safer king which made all the difference.