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11. a3
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White needs to be developing his pieces, and this doesn't help with that. |
1 comment
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11... Re8
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While black brings another piece towards the center. Take stock here, after 11 moves. Black controls more space, is up a pawn, and after a move like Bg4 or Be6, will have completed development. White is almost as developed, but it's a lot more difficult for his Bc1 to join the fray. |
1 comment
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12. b4
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?? A very bad move. During the game, vhhsawb asked me about where he went wrong and I pointed to this as the losing move. Whenever a pawn or piece is moved, I like to check how this effects the rest of the board. Here, moving the pawn from b2 to b4 turns the knight, which was protecting e4 and attacking d5, into a horribly pinned piece. Only the queen protects it, and now black has a good shot... |
1 comment
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12... dxe4
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Now, white cannot recapture, as the pin on the knight is too strong, so he's got to move the Bd3 to either e2 or c4. |

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13. Bxe4
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? But white doesn't see that Bxe4 is impossible. Now white loses a piece. |
1 comment
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13... Nxe4
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If white recaptures, black is free to play Bxa1. |

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14. Nxe4
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There was no good option here -- moving the queen allows either Nxc3 or Bxc3, and either way white is down a piece with black's pieces swarming the queenside. This way, black's pieces are awkwardly positioned, but white is down a full rook! |

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14... Bxa1
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And now black is up a rook. |

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15. Qxd8
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Exchanging queens only brings black closer to a won endgame. |

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15... Rxd8
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...so I'm more than happy to oblige. Now, white can threaten to win some material back with Bg5, which puts a double threat on the Rd8 and the Ba1. |

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16. Bg5
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! White's best chance. But I find the right counterstroke... |

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16... Rd4
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Rd4 threatens the knight, removes the threat on the rook, and prevents white from winning any material back. Note how this is better than f6, which loses a pawn. |

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17. Rxa1
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Allowing the exchange of pieces is all in black's favor here. |

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17... Rxe4
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And with two rooks and a bishop against one and a bishop, the end is near. |

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18. h3
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Allowing the rook to move off the back rank. |

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18... f6
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And this bumps the bishop out of black's territory. |

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19. Bd2
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Maybe Be3 was slightly better. |

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19... Bf5
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Preparing to load up on the c2 pawn. |

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20. Re1
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When you're down material, exchanging pieces is frowned upon -- the goal should be to exchange pawns but to keep as many of your own pieces on the board as possible. |

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20... Rxe1+
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Of course, when you're up material, it's hard to resist an exchange like that. |

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