The "zwischenmate"

Black to move. Can you find a continuation that leads to victory for Black?
Solution
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1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.e3 Bf5 7.Qf3 Bg6 8.Bxf6 Qxf6 9.Qxf6 gxf6 10.Rd1 Nd7 11.Bd3 Bd6 12.Nge2 h5 13.h4 Nb6 14.b3 a5 15.a4 Rg8 16.0-0 Kf8 17.f3 Rd8 18.Kf2 Kg7 19.Ng3 Nc8 20.Nce2 Kh6 21.Rfe1 Ne7 22.Nf4 Rde8 23.Nge2 Rg7 24.Rg1 Reg8 25.Bxg6 fxg6 26.g4 hxg4 27.fxg4 Kh7 28.Ne6 Rf7 29.Rdf1 Re8 30.Kg2 Kg8 31.Rf3 Nc8 32.N6f4 Kg7 33.Rgf1 Rfe7 34.Kf2 Bb4 35.h5 Bd2 36.Nxg6 Rxe3 37.Ng3 Nd6 38.Rd1 Be1+ 39.Kg2 Rxf3 40.Kxf3 Bxg3 41.Kxg3 Ne4+ 42.Kg2 Kh6 43.Rf1 Kg5 44.Kh3 Nd6 45.Nh4 Re3+ 46.Rf3 Re1 47.Nf5 Ne4 48.Ng7 Re2 49.Ne6+ Kh6 50.Nf4 Re1 51.Ne6 b6 52.Kg2 Re2+ 53.Kf1 Rb2 54.Kg1 Rc2 55.Rd3 Rb2 56.Rf3 Rc2 57.Rd3 Re2 58.Rf3 Ra2 59.Rd3 Kh7 60.Rf3 Kh6 61.Rd3 f5 62.gxf5 Kxh5 63.Rf3 Kg4 64.Rf4+ Kg3 65.Kf1 Ng5 66.Nxg5 Kxf4 67.f6 Kg3 68.Nh3 Ra1+? 68...Kf3! 69.Ng1+ 69.Kg1 Ra1+ 70.Kh2 Rf1 71.f7 Kg4-+ 69.Ng5+ Ke3 70.f7 Rf2+ 71.Ke1 c5 72.dxc5 bxc5 73.Ne6 Rxf7 74.Nxc5 d4-+ 69.f7?! Ra1# 69...Ke3 70.Nh3 Rh2 71.f7 Rxh3 72.f8Q Rf3+ 73.Qxf3+ Kxf3-+ 68...Kxh3? 69.f7 Rb2 69...Ra1+ 70.Kf2 Ra2+ 71.Ke3+- 70.f8Q Rxb3 71.Qh6+ Kg3 72.Qxc6+- 69.Ke2 Ra2+ 69...Kxh3? 70.f7+- 69...Kg2? 70.Nf4+ Kg3 71.f7+- 70.Ke1 70.Ke3? Rb2 71.Nf4 71.f7 Rxb3+ 72.Ke2 Rf3-+ 71...Rxb3+ 72.Nd3 Rb1 73.f7 Rf1 74.Ne5 b5-+ 70...Ra1+ 71.Ke2 Ra2+ 72.Ke1 Ra1+ 73.Ke2 ½–½
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Kristiansen,J | 2411 | Grabarczyk,M | 2430 | ½–½ |
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Karsten Müller in ChessBase Magazine
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