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”The batter swinging his bat was best off if he was most like the warrior wielding his sword"

What does the 'off' imply here?
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"be best off": Here it means that the player will do better if his swing is like that of a swordsman's.

It is a collocation like "be worse off" = be the poorer for something.
Comments  
Feebs11"be best off":   Here it means that the player will do better if his swing is like that of a swordsman's.

Then what is the difference between that sentence and these below?
・”The batter swinging his bat was better if he was most like the warrior wielding his sword"
・”The batter swinging his bat was better off if he was most like the warrior wielding his sword"
・”The batter swinging his bat was best if he was most like the warrior wielding his sword"