US Championship 2015, round 5

The following position arose after an edge of your seat game with sacrifices, blunders, come backs and time pressure; both players went for the win and one (black) got rewarded when white went for the natural hiding of its King after being attacked for most of the game.

[Event "U.S. Championship 2015"][Site "Saint Louis"][Date "2015.04.05"][Round "5"][White "Holt, Conrad"][Black "Troff, Kayden W"][Result "0-1"][SetUp "1"][FEN "2r2k2/3R1P1p/1q4p1/8/8/1B2n1P1/P2Q2KP/8 w - - 1 43"][ECO "D83"]43. Kh3 $4 {GM Friedel "this loses in an amazing fashion"} (43. Kf3 {GM Friedel suggests this instead, but how many would play it in reality?}) 43... g5 $1 {all is now nicely lined up for black} 44. Rd6 (44. Qd6+ Qxd6 45. Rxd6 g4+ 46. Kh4 Nf5+ {0-1}) 44... g4+ 45. Kh4 Nf5+ 46. Kg5 Qxd6 {black is up a rook.} 47. Qb2 Nd4 48. Kxg4 Rc5 {"This is the end" Jim Morrison}