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22. Nc6
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A forked attack by the Knight theatening both Rook & pawn (with check from a7!) |

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22... Bxc6
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Black takes the Knight removing the threat it posed, and preserving the possibility of aligning Rooks for a back row check. |

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23. dxc6
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White retakes with the pawn. Although well advanced the pawn is blocked and it lacks support, so does not pose a significant threat. |

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23... Rhe8
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Black aligns Rooks threatening a back row check which would win the White Queen |

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24. Rf1
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White sees the danger and defends the back row with the Rook |

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24... Qd4+
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Black Q forks K & Q forcing the exchange. The idea is to create a passed pawn which White cannot prevent from being promoted |

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25. Qxd4 cxd4
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The Queen exchange favours Black because because of the passed pawn but also because Black has a material advantage |

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26. f4 Re5e2
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Black advances the rook avoiding the threat from the f-pawn and now attacks the a-pawn |

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27. h4
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White's intention here is not clear. Advance of the a-pawn could have prevented its loss. |

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27... Rxa2
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Rxp intending to bring the other rook to e2 creating a check-mating attack following removal of the g-pawn. |

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28. Rf2
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White prevents the intended rook advance, but again the exchange suits Black in these circumstances. |

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28... Rxf2 29. Kxf2
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The White king retakes the rook, but the passed pawn now has a clear path to promotion since the king cannot cross the e-file. |

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29... d3
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White resigns at this point, recognising that mate will be inevitable within a few moves. |

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