All just my personal opinion
Piano Recital by Konstantin Scherbakov at Zurich Tonhalle, 2015-12-12 — Beethoven: Piano Sonata in C♯ minor, op.27/2, “Moonlight” / Variations with Fugue in E♭ major, op.35, “Eroica”; Liszt: Transcription of L.v.Beethoven’s Symphony No.3 in E♭ major, op.55, “Eroica”
… while for the past two decades the artist is mostly pictured with an earnest, maybe “Beehovenian” / titanic, somewhat closed facial expression, in the concert (which he presented with a mostly relaxed, yet controlled body language) his face hinted at a wealth of emotions — and his playing struck me as a prime example of the “big Russian Piano School” …
Beethoven: Piano Sonatas — summary for comparisons of recordings, involving the following artists: Wilhelm Backhaus, Paul Badura-Skoda, Daniel Barenboim, Ronald Brautigam, Edwin Fischer, Emil Gilels, Friedrich Gulda, Clara Haskil, Jos van Immerseel, Julius Katchen, Wilhelm Kempff, Igor Levit, Mikhail Pletnev, Maurizio Pollini, Svjatoslav Richter, Arthur Rubinstein, András Schiff, Artur Schnabel, Mélodie Zhao
Beethoven, “Eroica”-Variations op.35, Comparing recordings with the following artists: Artur Schnabel (1938), Glenn Gould (1970), Svjatoslav Richter (1970), Emil Gilels (1980), Konstantin Scherbakov (1984), Alfred Brendel (1985), Olli Mustonen (1993), Ronald Brautigam (2010)