There is no "best" variation. Every variation of the Sicilian is fun for both sides. For black I prefer Taimanov and Najdorf variations, and with white I usually play lots of different stuff in the open sicilians.
Best Variation of Sicillian
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As Black I play the Sicilian Najdorf/Scheveningen style (6...a6, 7...e6) because it is the variation that most seriously challenges White for the initiative (the attack).As White I play the English Attack (6.Be3, 7.f3 or 7.Qd2) because it gives White the most plans attack against Black's chosen defensive formation.
What's the bestvariation of the Siccilian plz give reason also.