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* [http://jrobichess.blogspot.com/2007/12/pawn-centres-i-open-centre.html JROBICHESS CHESS BLOG: Pawn Centres I: Open Centre]
* [http://jrobichess.blogspot.com/2008/01/pawn-centres-ii-closed-centre.html JROBICHESS CHESS BLOG: Pawn Centres II: Closed Centre]
=References=
<references />
'''[[Pawn Structure|Up one Level]]'''
[[Category:Hans Kmoch]]