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12... Bh6
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Black sets up a tactical shot. |
 
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13. Qc2
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White finds the better square for the queen. |
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13... g4
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Still driving forward with the attack. |
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14. hxg4
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White sacrifices cover to stay the attack. |
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14... hxg4 15. Nd2 Bg7
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The idea is simply to attack the d5 pawn while protecting the h8 rook while attacking the h1 rook. The pawn can not be taken until the g3 bishop has departed, but the move does apply pressure at 2 points on the board. |
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16. O-O-O
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White solves the rook protection by 0-0-0, but overlooks a problem. |
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16... Nd4
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Nd4! which drives the queen back away from the action. |
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17. Qb1 Qc7
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Qc7! Pinning the knight with the idea of pressing an attack using the b pawn and a8 rook, while exerting some pressure on the e5 pawn. |
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18. Rde1
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White gives the king an escape from the attack, but Bd3-d2 is better allowing the knight to escape the attack by the b pawn. |
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18... b4
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The knight will be captured because of the pin. |
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19. Nc4
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Too late to block. |
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19... bxc3
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Black has a material gain and also some strong positional strengths, but white also has some positional strengths which can be found by looking at the g3 bishop, the c4 knight, and the 2 rooks. Black needs to limit the white pieces mobility while white needs to gain mobility and enhance protection of the king. The positional evaluation is -\+ |
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20. bxc3 Rb8
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Rb8! Further limiting the scope of the white queen. |
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21. Qa1 Nb5
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Freeing the knight from the attack while keeping a loaded rook ready. |
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22. f3
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White tries to achieve any black move, f3xg4, g5xg4, Bd3-g6+ with a small attack. |
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22... gxf3
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Keeping the d3 bishop as bad as possible by not giving up the f5 square. |
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23. gxf3 Qc6
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With the tactical idea of f3-f4, Qc6-f3 skewer of both bishops. |
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24. Rhf1
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White applies a solution, but drops control of the h file. |
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24... Rh3
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Rh3! building pressure. Black can not cover both the pawn and the bishop. |
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25. Rfg1
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White protects the more valuable piece. |
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