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1. f4
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Bird Opening System |

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1... d5
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Safe opening for black |

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2. e3
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Opens the diagonal for Bishop at f1 |

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2... Nf6
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Continues black development |

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3. Nc3
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Transposes to Dunst Opening |

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3... Bg4
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Upsets white development by forcing Be2 or Nf3 to defend the Queen |

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4. Nf3
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Dunst Opening and Pinning the knight to Queen |

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4... e6
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Supports d5 |

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5. h4
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Be2 would been better, would released knight from pin. |

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5... Bd6
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Clears way for castling and attacks f4. |

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6. Bd3
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allows the short castle and attacks h7. |

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6... Nc6
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Develops the knight and attacks e5 and d4 |

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7. O-O
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White moves king to safety |

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7... Nh5
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Blocks white pawn at h4 |

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8. a4
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white seems to be trying to create space on Queen side |

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8... O-O
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Black moves king to safety |

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9. b3
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Opening up on Queenside but whites as 3 blackward pawns |

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9... d4
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Black uses a lever move d4 to attack white pawn chain and creating isolated pawn at f4. Slighty better is Ng3 |

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10. exd4
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Hangs pawn at f4. Better is Ne4 |

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10... Bxf4
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Computer analysis calls Bxf4 a serious miscue by black and better is Nxd4 whichs leads to Qe1 and Nxf3 which forks King and Queen and easily resolved by Rxf3. I was playing for attack on h2. |

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