Why is performance so "runny"!?

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nthompson

I have played thousands of tactics puzzles on this and another site and am baffled by the "runniness" of my performance.  Is it me that has bad days and good or is it the software delivering me strings of tough and easy puzzles. 

Nick

capt_hook

Duplicate post: http://www.chess.com/forum/view/general/chess-playing-psychologists-sought

Laughing