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13... Bf5
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Black disengages the pin on f6 and reinforces the control of e4. |
2 comments
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14. Qf4
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White aims to prevent any nasty tactical surprises arising after ...g5 with the possibility of a discovery attack on the Queen. Black really wants to play ...g5 but White has that square covered four times at the moment. |
1 comment
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14... Qc8
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Very strong move, reinforcing the powerful bishop at f5 and making ...g5 a possibility since the pawn on g6 is no longer tied to the defense of f5. |
3 comments
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15. b4
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White begins it's own attack on the queenside, the question is whose attack will be faster. |
3 comments
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15... g5
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Both sides are fighting for initiative. |
1 comment
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16. Qg3
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The pawn cannot be captured: 16.hxg5? fxg5! 17.Nxg5 (or 17.Qxg5) 17...Bxc3+ with an advantage for Black. Now with the text move, the g5 pawn is pinned. |
1 comment
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16... Nb3
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The black knight and bishop are working in tandem, making the white Rook at d1 quite vulnerable (for instance, Black may play ...Bc2 and the Rook has no escape squares) |
1 comment
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17. c5
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Clearing the d-file for an assault directly on the uncastled black King. White is prepared to sacrifice a pawn for initiative and a central attack. |
1 comment
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17... dxc5
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Black takes the offered pawn, isolating the white d-pawn but also helping it advance further since the d6-square is now free. Now White continues to reinforce that square before actually pushing the pawn. |

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18. Nb5
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The knight is ideally placed, with the dual function of threatening Nc7+ as well as reinforcing d6 and d4. |
4 comments
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18... O-O
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Black finally castles, but with the white Queen at g3 it is a question of just how safe the black King really is. For the moment, Black at least frees the g5-pawn from the pin, although it is only to White's benefit to have it gone from the g-file. |
1 comment
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19. d6
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Threatens both c7 and e7. White's initiative has grown substantially, with the multiple threats hanging over Black's head. dxe7, bxc5 and hxg5 are all being threatened on the very next move! |

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19... cxb4
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Black chooses to deal with the threat of White's b4-becoming a much more powerful threat on c5, and in the process isolates White's pawn at a3. |

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20. dxe7
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Attacks Black's rook at f8, adds a promote threat at e7, and creates a passed pawn on e7. |

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20... Re8 21. hxg5
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The attack on the black King is in full swing. White consolidates by clearing the h-file for the Rook, isolates Black's pawn at h7 and Black's pawn at f6 and prepares a full-on assault on the g-file. |
1 comment
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21... fxg5 22. Bxg5
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Protects White's pawn at e7, creates a passed pawn on f2, and isolates Black's pawn at h7. |

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22... Qc5
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22...Qe6+ 23.Be2 was another possibility. |

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23. Be2
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Creates a very valuable square for the white King to run to (f1) in the event of ...Qc3+. |
1 comment
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23... bxa3
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Creates passed pawns on a7, b7, and a3. Black wins a pawn. |
1 comment
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24. Nd6
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Forks Black's rook at e8, Black's pawn at b7 and Black's bishop at f5. |

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