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21. Rb1
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Anticipating the opening of the b-file. |
 
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21... Qd6
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Black activates his last piece with an eye towards invading at a3. |
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22. Qc2
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White activates his final piece as well. Both sides have completed their development. 2 sets of minor pieces have been exchanged. Black's edge in space allows his remaining pieces to be increase their activity more easily. |
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22... Reb8
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Their is no penetration squares along the e-file, so black doubles along the b-file in preperation for activity there. Notice that white cannot match this activity due to his lack of space. |
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23. Rb2
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White is attempting to double as well. |
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23... cxb3
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The time has come to strike. |
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24. Rxb3
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24. axb3 is better, but black plays b5-b4 in any case. |
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24... b4
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The final break at last. |
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25. c4
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Relatively best would've been 25. Re-b1. Now, white loses material. |
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25... Nxd4
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Forking the rook and queen. |
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26. Qd1
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White is lost. |
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26... Nxb3
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Establishing a winnning material superiority. |
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27. axb3 Qc5
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The rest is consolidation and then prosecuting the victory. |
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28. cxd5 Qxd5 29. Qa1
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Crossing one's fingers and hoping, but their is a tactical problem. |
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29... Qxd2
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Black can ignore the discovered check and wins another piece. |
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30. Nf3+
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Discovered check is a powerful tactic, but it does not work in this instance. |
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30... Qc3
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This may have been what white missed. |
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31. Qxc3+
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The game is hopeless for white at this point. |
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31... bxc3 32. Nd4 Bxb3 33. Rc1 Bc4
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Exploiting the back rank threat. |
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34. h3
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If 34. Rxc3 Rb1 leads to mate. |
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(2033)