PolyGlot & WB2UCI Adapter question.

Hello,I am Glad to get to this forum
I had a doubt in my mind if using UCI engine under Winboard using a polyglot or using a Winboard engine in UCI only GUI make the original engine lose its strength or it has no effet on engine strength??
I ask this because I am planning to run a tournament & wish all engine to be at their respective bests.
Thanks
Domo

I had a doubt in my mind if using UCI engine under Winboard using a polyglot or using a Winboard engine in UCI only GUI make the original engine lose its strength or it has no effet on engine strength??
I ask this because I am planning to run a tournament & wish all engine to be at their respective bests.
Thanks
Domo