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45... e5
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for now all i can do is free up some space and get my king active |

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46. Bxc3 Nc5+ 47. Ke2 exf4 48. Bxf6 Kxf6
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Here, White should just take my f-pawn and he can probably draw since I will have to contian his passed pawn, but watch how he loses by getting impatient and trying to rush things. |

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49. Na5
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?? this is a blunder, and his next move is even worse. Passed pawns are not that strong in minor piece endgames, and you shouldn't rush to advance them. Advancing a passed pawn in a minor piece endgame may only win a piece, and a piece is only equal to about 2 pawns in endgames like this, pawns are valuable, and White is neglecting his pawns |

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49... fxe3
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Here White should probably take the pawn and maybe draw if he's lucky, but White thought his only chance to draw was to rush the passed pawn and win my knight quickly, but that brings his knight far away from the action, while i can make progress with my pawns |

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50. b6 f4 51. b7 Nd7
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rather than taking immediately, this makes white waste another move |

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52. Nc6 g5 53. b8=Q Nxb8 54. Nxb8
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A minor piece can usually hold a draw against a three-pawn majority, but here the knight is far from the action and my pawns are already advanced, so I don't think he can hold a draw |

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54... h4
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White can't make progress with his king since it's stuck sotpping my passed e-pawn, while I have enough time to create another passed pawn with g4-h3, and the king won't be able to stop both of them, the only question is, can White's knight stop the pawns, or am I unstoppable even if the knight was closer? |

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55. Nd7+ Kf5 56. Nc5
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If the knight was a light-squared bishop, then maybe White could draw by shifting the bishop along the a8-h1 diagonal, but the knight is slow and can be kicked around, so I don't think White has a chance here. |

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56... g4 57. Nd3 h3
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Now all of my pawns will be passed after White trades, and his pieces aren't in a position to stop them |

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58. gxh3 gxh3 59. Kf3 h2 60. Kg2 f3+
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White took on h2 here, but actually his best chance is to take on f3 and then take the e-pawn after I promote, which goes into the endgame of queen vs. knight, which is an easy win to a skilled player, but can be tricky if you don't know the technique. Hoping that I can't win queen vs. knight is just about all White can hope for now. |

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61. Kxh2 Ke4 62. Nc5+ Kd5
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My king needs to attack the knight from a non-checkable square in order to make progress |

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63. Nd3 Kd4 64. Ne1
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After Nf4, I play e2 and White cannot stop promotion |

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64... f2 65. Nf3+ Ke4 66. Kg2
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This is the only move that doesn't allow immediate loss, and my pawns cannot promote safely, so I think there is only one winning line here, but I could be wrong. |

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66... f1=Q+ 67. Kxf1 Kxf3
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Now I have the opposition, and I win. If it was my turn to move in this position, then White can hold a draw by shifting his king on e2 and e1, and then moving two squares above me whenever my king goes to the same rank as the pawn, and e2 Ke1 is also a draw since leaving the pawn defended is stalemate, but since it's White's turn here, he can't hold a draw since I have the opposition, and I can force promotion |

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68. Ke1 e2
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White resigned, an exciting ending to a boring opening |

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