The revenge check

At first Black's last move seems to be just a last desparate check followed by resigning. However, things are much more complicated. Is Kg5 or Kh5 the right retreat?
Solution
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1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.h3 Nd7 5.Bd3 a6 6.0-0 e5 7.dxe5 dxe5 8.Qe2 Ngf6 9.a4 0-0 10.Rd1 Nh5 11.Bc4 Nf4 12.Bxf4 exf4 13.e5 Qe8 14.Re1 Nb6 15.Nc3 Be6 16.Bxe6 fxe6 17.a5 Nd7 18.Qc4 c6 19.Re4 Rf5 20.Rae1 Qf7 21.Na4 g5 22.Nb6 Re8 23.Qd4 Nxb6 24.Qxb6 Qe7 25.Rd1 h5 26.Red4 Rf7 27.Rd8 Rxd8 28.Qxd8+ Qxd8 29.Rxd8+ Rf8 30.Rd7 g4 31.hxg4 hxg4 32.Nh2 Bxe5 33.Nxg4 Bxb2 34.Rxb7 Bd4 35.Rc7 Rb8 36.Rxc6 Rb1+ 37.Kh2 Rb2 38.f3 Kf7 39.Rc4 Be3 40.Rc7+ Kg6 41.Ne5+ Kf6 42.Ng4+ Kf5 43.Rc3 Bd4 44.Rc4 e5 45.Rc6 Ra2 46.Nh6+ Kg5 47.Nf7+ Kf5 48.c3 Bf2 49.Nd6+ Ke6 50.Ne4+ Kd5 51.Rxa6 Be3 52.Rd6+ Kc4 53.a6 Ra1 54.Kh3 Rh1+ 55.Kg4 Rg1 56.Kf5 Rxg2 57.Kxe5 Ra2 58.Rc6+ Kd3 59.c4 Ra5+ 60.Kf6 Ke2 61.Ng5 Bd4+ 62.Kg6 Kd3 63.Kh5 Ra4 64.Ne6 Be3 65.Nd8 Ke2 66.Kg4 Ra1 67.Ne6 Rg1+ 68.Kf5 Kxf3 69.c5 Ra1 70.Rb6 Ra5 71.Rb3 Kf2 72.a7 Rxa7 73.c6 Ra5+ 74.Kg4 Ra4 75.Rb2+ Ke1 76.c7 Rc4 77.Kf3 Rc3 78.Rb3 Rxb3 79.c8Q Bd2+ 80.Kg4 Rg3+ 81.Kh4 Rc3 82.Qa6 f3 83.Nd4 Kf2 84.Qa2 Rd3 85.Qc4 Re3 86.Qc2 Kg2 87.Qxd2+ f2 88.Nf5 Re4+ 89.Kg5? 89.Kh5! Kf3 89...Kg1 90.Qg5+ Kh1 91.Ng3+ Kh2 92.Nf1+ 92.Nxe4? f1Q= 92...Kh1 93.Qg3+- 89...Kh1 90.Qxf2 Rh4+ 91.Qxh4++- 89...Re5 90.Qg5+ Kh2 91.Qg3+ Kh1 92.Qxf2+- 89...Re8 90.Qg5+ Kh1 91.Kg4 f1Q 91...Re4+ 92.Kg3 f1Q 93.Qh5++- 92.Ng3++- 89...Re1 90.Nh4+ Kg1 91.Nf3+ Kf1 92.Kg4+- 90.Qd3+ Kf4 91.Qg3+ Kxf5 92.Qxf2++- 89...Re5! 90.Kg4 Rxf5! 91.Kxf5 Kg1? 91...Kh1! 92.Kg4 92.Qe2 Kg1 93.Qe3 Kh1 94.Qh3+ Kg1 95.Qg3+ Kh1= 92...f1Q 93.Kg3 Qg1+ 94.Kh3 Qf1+= 92.Kg4 Kh1 93.Qd1+ Kg2 93...Kh2 94.Qe2 94.Kf3?? f1Q+ 95.Qxf1 94...Kg2 95.Kf4 Kh1 96.Kg3+- 94.Qe2 Kg1 95.Kg3 95.Kg3 f1Q 95...f1N+ 96.Kh3+- 96.Qh2# 1–0
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Sukandar,I | 2415 | Ali,M | 2401 | 1–0 |
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