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Calculation vs. Evaluation

Mar 12, 2016, 6:40 PM 22

Although they go hand-in-hand, it's been my experience that in a typical OTB game, often the result is decided by somebody underestimating or overestimating a certain line.  Both sides saw the variation, but the resulting position was a little bit unclear and one side correctly determined it favoured themselves.  If that makes sense...


Here's the kind of position I'm talking about.  Is Bxg3 a good move? 



I'll let you guys argue about it for a few hours before I post the answer!

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