Always seek a forcing moves!
Principles of chess: These don't have to be in any order. Just principles to remember.
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maximal activity (pieces in opponents side without being captured)
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material (to take is mistake, an even exchange) Try to win points (but be watching for traps)
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Always seek to attack/most forcing moves (checks, captures, other attacks)
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No Attacks? Then increase activity of your worse piece and/or decrease activity of opponents best piece