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I begin my annotation on move #31. Please go forward to move #30 and begin. Al |
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1. d4
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I begin my annotation for the endgame on move 31. Please go forward to move #30 to reach the starting position, and then move forward. Al |

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1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e4 Qa5 7. exd5 cxd5 8. Bd2 Bb4 9. cxd5 Nxd5 10. Nxd5 exd5 11. a3 Bxd2+ 12. Qxd2 Qxd2+ 13. Kxd2 O-O 14. Bd3 Nf6 15. Rhe1 Bg4 16. Re7 Bxf3 17. gxf3 Rab8 18. Rc1 Rfe8 19. Re3 g6 20. Rc7 Kf8 21. Bb5 Rec8 22. Ree7 Rxc7 23. Rxc7 Nh5 24. Ke3 g5 25. Bd7 a5 26. b4 axb4 27. axb4 Nf4 28. b5 Ra8 29. Rc8+ Rxc8 30. Bxc8 b6
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Observations:
1. Material is even.
2. Both kings are shut off from the Queenside.
3. The white king cannot penetrate the kingside.
4. d5 will require protection by Black.
5. The bishop cannot protect d4, the king will be required.
Black's plan:
1. Restrain the bishop.
2. Penetrate the position with the knight, using the king to protect e5.
3. Attack on the kingside, holding the White king near d3/e3 by threat to d4, so that he cannot restrain the penetration of the black king. |

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31. Bf5
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Centralizing the bishop, a good idea. |

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31... h5
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Beginning the assault. The bishop is prevented from attacking h5 and d5 by the f7 pawn. If attacked later, the h5 pawn is mobile. |

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32. Bd7 Ke7
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Freeing the knight from the defense of d5. |

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33. Bc8 Ng2+ 34. Kd2
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Missing the point. The King apparently moves to avoid a perceived draw by repetition. |

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34... Nh4
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The knight threatens both Nxf3 and f5, which would restrain the bishop. |

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35. Ke2 Kf6
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The King moves to penetrate. |

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36. Bd7 Nf5
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Offering the exchange, attacking d4, and preparing for the King's incursion. |

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37. Kd3
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The bishop is all white has. He cannot exchange allowing the Black king in a position to seize f4. Once the black king gets to f4, the kingside will fall. |

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37... Nd6 38. Kd2
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Attacking b5 and keeping the bishop from e8 and f5. The bishop is now reduced to protection of b5. |

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38... h4
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White nears zugzwang. Black must find a way to advance his king. |

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39. Ke3
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Holding d4 and keeping the Black king from f4, the key square in the position. |

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39... Ke7
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Beginning the isolation of the bishop, to enable the kings' advance. |

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40. Bc6 Nf5+
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With this check, Black begins to reposition the knight. The knight is an offensive weapon, the bishop has been reduced, almost, to a defensive piece. A bishop is an attacking piece and does not have the defensive powers of the knight. |

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41. Kd3
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Holding d4. |

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41... Ke6
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With d7 controlled, the king advances. |

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42. Kc3
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The only square from which white can continue to hold d4. |

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42... Ne7
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Black Frees f5 for the king! |

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43. Be8
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There is nothing else for white, but now the king will penetrate the White kingside. |

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