All just my personal opinion
Comparing recordings with the following artists: Casals/Horszowski (1939), Fournier/Schnabel (1948), Fournier/Gulda (1959), Fournier/Kempff (1965), Harrell/Ashkenazy (1987), Isserlis/Levin (2012), Maisky/Argerich (1991), Perényi/Schiff (2004),
Queyras/Melnikov (2013), Rostropovich/Richter (1962), Wispelwey/Komen (1991), Wispelwey/Lazić (2004)
Comparing recordings with the following artists: Casals/Schulhof (1930), Fournier/Schnabel (1947), Fournier/Gulda (1959), Fournier/Kempff (1965), Harrell/Ashkenazy (1987), Isserlis/Levin (2012), Maisky/Argerich (1993), Perényi/Schiff (2004),
Queyras/Melnikov (2013), Rostropovich/Richter (1961), Wispelwey/Komen (1991), Wispelwey/Lazić (2004)
Rachmaninoff: Piano Concerto No.3, op.30 — comparing recordings with the following artists: Rachmaninoff/Ormandy (1940), Ashkenazy/Previn (1972), Argerich/Chailly (1982), Kocsis/de Waart (1983), Wang/Dudamel (2013)
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: 12 Etudes op.25 — Ashkenazy, Pollini, Sokolov, Avdeeva; Chopin: Sonata No.2 in B♭ minor, op.35 — Argerich, Askenase, Avdeeva, Pollini; Chopin: 24 Préludes, op.28 — Askenase, Pollini, Barenboim, Argerich, Sokolov, Avdeeva
Schumann: Novelletten, op.21 — Richter; Myaskovsky: Cello Sonata Nr.1 in D, op.12 — Mørk/Thibaudet; Rachmaninoff: Vocalise from the 14 Songs, op.34 — Isserlis/Hough; Rachmaninoff: Cello Sonata in G minor, op.19 — Mørk/Thibaudet, Isserlis/Hough; Franck: Violin or Cello Sonata in A — Spivakov/Bezrodnyi, Perlman/Argerich, Isserlis/Hough