Notable Games
- 1921.09.09 Gruenfeld, Ernst vsEuwe, Max 1-0 Slav Defense: Quiet Variation, Schallopp Defense 41 moves Budapest Invitation Masters Budapest 1921. A Slav-Defence win over future World Champion Max Euwe, a passed h-pawn promoting (39.h8=Q).
- 1921.09.15 Gruenfeld, Ernst vsBogoljubov, Efim 1-0 Old Indian Defense: Tartakower-Indian 30 moves Budapest Invitation Masters Budapest 1921. A win over Efim Bogoljubov — a future two-time World Championship challenger — breaking through with the passed pawns (25.dxc7, 30.f6).
- 1922.10.07 Gruenfeld, Ernst vsSaemisch, Friedrich 1-0 Indian Defense: Knights Variation 32 moves DSV in der CSR-ch01 Meisterklasse 1922. A win over the theoretician Friedrich Sämisch, the queen infiltrating to 32.Qd8+.
- 1922.11.16 Gruenfeld, Ernst vsMaroczy, Geza 1-0 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 32 moves Wiener Kongress Masters Vienna 1922. A win over the veteran Géza Maróczy, the knight landing on d6 (32.Nd6) to win material.
- 1922.11.18 Alekhine, Alexander vsGruenfeld, Ernst 0-1 Grünfeld Defense: Stockholm Variation 55 moves Wiener Kongress Masters Vienna 1922. An early victory with the Grünfeld Defence — the opening that bears his name — with which he beats future World Champion Alexander Alekhine. Alekhine was impressed enough to try it himself later in the same tournament.
- 1922.11.29 Gruenfeld, Ernst vsBogoljubov, Efim 1-0 Blumenfeld Countergambit: Duz-Khotimirsky Variation 19 moves Wiener Kongress Masters Vienna 1922. A 19-move miniature that mates Efim Bogoljubov on the board — 15.Bc6+, the knight tour to c6 and 19.Rd8#.
- 1923.05.18 Gruenfeld, Ernst vsTartakower, Saviely 1-0 Queen's Gambit Declined: Albin Countergambit, Tartakower Defense 29 moves Karlsbad-03 International Masters Karlsbad 1923. A 29-move win over Savielly Tartakower finished by mate — 28.Rxf6 and 29.Qe5#.
- 1925.05.10 Gruenfeld, Ernst vsTarrasch, Siegbert 1-0 Slav Defense 51 moves Baden-Baden International Baden-Baden 1925. A win over Siegbert Tarrasch, the two bishops delivering the blow (50.Qf8+, 51.Bf6+).
- 1925.11.26 Gruenfeld, Ernst vsReti, Richard 1-0 Queen's Indian Accelerated 41 moves Moscow International-01 Moscow 1925. A win over his fellow hypermodern Richard Réti in a Queen's Indian, ground out in the endgame.
- 1926.03.20 Gruenfeld, Ernst vsNimzowitsch, Aron 1-0 Queen's Indian Defense: Fianchetto Variation 72 moves Semmering Panhans Semmering 1926. A 72-move endgame win over Aron Nimzowitsch, a passed h-pawn finally deciding (72.h6).
- 1926.03.28 Gruenfeld, Ernst vsYates, Frederick Dewhurst 1-0 King's Indian Defense: Fianchetto Variation, Carlsbad Variation 74 moves Semmering Panhans Semmering 1926. A long technical win over the English master Frederick Yates.
- 1927.07.19 Gruenfeld, Ernst vsEuwe, Max 1-0 Bogo-Indian Defense: Nimzowitsch Variation 54 moves Olympiad-01 London Olympiad 1927. A second win over future World Champion Max Euwe, a passed h-pawn deciding the endgame.
- 1928.10.03 Gruenfeld, Ernst vsKostic, Boris 1-0 Bogo-Indian Defense: Nimzowitsch Variation 83 moves Berliner SV Meisterturnier Berlin 1928. An 83-move endgame marathon won against Borislav Kostić.
- 1929.08.20 Gruenfeld, Ernst vsMarshall, Frank James 1-0 Queen's Indian Defense: Fianchetto Variation 52 moves Karlsbad-04 International Masters Karlsbad 1929. A win over the American attacker Frank Marshall, a passed b-pawn queening (51.b8=Q).
- 1929.12 Gruenfeld, Ernst vsSpielmann, Rudolf 1-0 English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense 49 moves Wien Trebitsch Memorial-14 Vienna (Trebitsch Memorial) 1929. A win over the great attacker Rudolf Spielmann, converted in a rook ending.
- 1922.04.23 Wolf, Heinrich vsGruenfeld, Ernst 0-1 Alekhine Defense: Exchange Variation 50 moves Bad Pistyan Breyer Memorial-A Piestany 1922 — a 50-move win with Black against Heinrich Wolf. Selected in Savielly Tartakower and Julius du Mont, 500 Master Games of Chess, game 335 (PDF page 228).