All just my personal opinion
Concert review: private piano recital by Hando Nahkur, 2016-11-13 — John Adams (*1949): China Gates (1977); Ferruccio Busoni: 2 Transcriptions of Chorale-Preludes by Bach (BWV 639, BWV 659); Franz Liszt: Transcription of Schumann’s “Widmung”, S.566; Erkki-Sven Tüür (*1959): Piano Sonata (1985); Franz Liszt: “Bénédiction de Dieu dans la solitude”, S.173; Franz Liszt: Concert Paraphrase on “Rigoletto”, S.434
Oxana Shevchenko in a private piano recital, 2016-01-16 — Chopin: “Polonaise-Fantaisie” in A♭ major, op.61; Ravel: La valse; Medtner, “Sonata-Idyl” in G major, op.56; Rachmaninoff, Paraphrases after Mendelssohn and Tchaikovsky; Stravinsky: Trois mouvements de Pétrouchka
Piano recital by Stephen Kovacevich in Baden / Switzerland, 2015-09-18, featuring Alban Berg’s Piano Sonata in B minor, op.1, and Franz Schubert’s last two Piano Sonatas, the Sonata in A major (D.959), and the Sonata in B♭ major (D.960)
… 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” …
Chopin: Piano Concerto in E minor, op.11 — comparing recordings with the following artists: Argerich/Abbado (1967), Askenase/Otterloo (1960), Avdeeva/Wit (2010), Avdeeva/Brüggen (2012), Rubinstein/Barbirolli (1937), Rubinstein/Wallenstein (1953), Rubinstein/Skrowaczewski (1961)
Chopin: Piano Concerto F minor, op.21 — comparing recordings with the following artists: Askenase/Ludwig (1963), Avdeeva/Brüggen (2012), Haskil/Markevich (1960), Rubinstein/Barbirolli (1931), Rubinstein/Steinberg (1946), Rubinstein/Wallenstein (1958), Rubinstein/Ormandy (1968)