Christopher wrote:

But Abramsverse Chekov is not only four years older, he's also a Wesley Crusher-esque prodigy, whereas Chekov Prime never really seemed all that exceptional in the brains department.
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The writers did toy with the idea of Chekov being a student of Spock, but that idea was never clearly realized on screen. I'm not sure it's fair to say the character wasn't that smart, though. Outside of the excessive nationalism and occasional naivete of youth he seemed to be as capable as anyone else on the bridge.