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I agree ur being to hard on urself mate. If u want to refine ur skills u would have to find a master who can coach and mentor u, someone who can examine ur games and ur style and weaknesses and strength with u all of that. Nearly all the really good masters and grandmaster did it that way. I think in person for u would be better then trying to help u online personally but i could be wrong. Dont ask me over the board ur probably better then me hahaha....
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