| Vienna 1921 (1) |
Austrian Chess Association Congress - Master Tournament |
4 | / | 11 |
| | | |
| Vienna 1921 (2) |
Gambit Tournament |
1 | / | 4 |
| | | |
| Linz 1921 |
Linz Chess Congress |
5.5 | / | 9 |
| | | |
| Vienna 1921 (5) |
Austrian Chess Association Congress - Hauptturnier C |
8 | / | 11 |
| | | |
| Innsbruck 1922 (1) |
Bavarian Chess Federation Congress - Masters Tournament |
1.5 | / | 5 |
| | | |
| Vienna 1922 (6) |
Austrian Chess Association Congress - Group 4 |
7 | / | 7 |
| | | |
| Vienna 1922 (7) |
Austrian Chess Association Congress - Siegergruppe |
6 | / | 7 |
| | | |
| Brno 1923 (1) |
Brno - Vienna Schlechter Club Match |
| | | | | | |
|
Muller, Ha. - Pokorny, A. |
0.5 - 0.5 |
| | | |
| Vienna 1923 (1) |
Brno - Vienna Schlechter Club Match |
| | | | | | |
|
Muller, Ha. - Haida, A.K. |
0.5 - 0.5 |
| | | |
| Budapest 1923 (1) |
Buda Chess Club Tournament |
4 | / | 8 |
| | | |
| Gyor 1924 (1) |
Hungarian Chess Federation Congress - Master Tournament |
8.5 | / | 15 |
| | | |
| Vienna 1925 (1) |
Austrian Chess Federation Tournament |
2 | / | 5 |
| | | |
| Zurich 1925 |
29th Swiss Chess Association Championship |
3 | / | 11 |
| | | |
| Debrecen 1925 (3) |
Debrecen Siegergruppe B |
5.5 | / | 7 |
| | | |
|
Muller, Ha. - Honlinger, B. |
1 - 0 |
| | | |
| Gyor 1925 (1) |
Hungary - Austria Match |
| | | | | | |
|
Muller, Ha. - Sterk, K. |
0.5 - 0.5 |
| | | |
| Hyeres 1926 |
Hyères Tournament |
5 | / | 9 |
| | | |
| Vienna 1926 (1) |
10th Trebitsch Memorial Tournament |
4.5 | / | 11 |
| | | |
| Bardejov 1926 |
Bardejov Tournament |
6.5 | / | 13 |
| | | |
| Trencianske Teplice 1926 (1) |
Trencianske Teplice International Tournament |
3.5 | / | 9 |
| | | |
| Vienna 1927 (1) |
Wiener Schachfreunde - Meisterturnier |
10.5 | / | 13 |
| | | |
| Vienna 1927 (2) |
11th Trebitsch Memorial Tournament |
7 | / | 11 |
| | | |
| Kecskemet 1927 (1) |
Kecskemet Tournament - Preliminary Section A |
2.5 | / | 9 |
| | | |
| Vienna 1928 (1) |
Sportklub Hakoah Tournament |
6.5 | / | 13 |
| | | |
| Vienna 1928 (3) |
12th Trebitsch Memorial Tournament |
3 | / | 10 |
| | | |
| The Hague 1928 (2) |
2nd Olympiad |
9.5 | / | 16 |
| | | |
| Vienna 1930 (1) |
13th Trebitsch Memorial Tournament |
11 | / | 16 |
| | | |
| Vienna 1930 (2) |
Budapest - Vienna Team Match |
| | | | | | |
|
Muller, Ha. - Erdey, A. |
1 - 0 |
| | | |
| Hamburg 1930 (2) |
3rd Olympiad |
9 | / | 16 |
| | | |
| Munich 1930 (1) |
Vienna - Munich Match |
| | | | | | |
|
Muller, Ha. - Duhrssen, R. |
1 - 0 |
| | | |
| Vienna 1930 (3) |
Vienna Tournament |
4.5 | / | 7 |
| | | |
| Vienna 1931 |
14th Trebitsch Memorial Tournament |
6.5 | / | 13 |
| | | |
| Prague 1931 (6) |
12th Czech Chess Association Congress - Section A, International |
10 | / | 13 |
| | | |
| Budapest 1932 (1) |
10th Hungarian National Tournament |
8.5 | / | 17 |
| | | |
| Gyor 1932 |
Gyor Tournament |
5.5 | / | 9 |
| | | |
| Vienna 1932 |
15th Trebitsch Memorial Tournament |
6 | / | 11 |
| | | |
| Budapest 1933 (2) |
11th Hungarian National Tournament - Major Section |
7.5 | / | 14 |
| | | |
| Folkestone 1933 (2) |
5th Olympiad |
9 | / | 13 |
| | | |
| Klosterneuberg 1933 |
Klosterneuberg Tournament |
8.5 | / | 11 |
| | | |
| Ebensee 1933 (1) |
Ebensee Tournament - Preliminary Section |
6.5 | / | 8 |
| | | |
| Ebensee 1933 (2) |
Ebensee Tournament - Final Section A |
2 | / | 3 |
| | | |
| Vienna 1933 (2) |
16th Trebitsch Memorial Tournament |
10.5 | / | 15 |
| | | |
| Klosterneuberg 1934 |
Klosterneuberg Tournament |
8 | / | 10 |
| | | |
| Linz 1934 |
Linz Tournament |
10 | / | 13 |
| | | |
| Vienna 1935 (1) |
17th Trebitsch Memorial Tournament |
10 | / | 15 |
| | | |
| Vienna 1935 (2) |
Bratislava - Vienna Match |
| | | | | | |
|
Muller, Ha. - Ramharter, J. |
0.5 - 0.5 |
| | | |
| Tata 1935 (1) |
13th Hungarian National Tournament - Major |
8.5 | / | 17 |
| | | |
| Warsaw 1935 (2) |
6th Olympiad |
9 | / | 16 |
| | | |
| Vienna 1935 (3) |
18th Trebitsch Memorial Tournament |
6.5 | / | 11 |
| | | |
| Basel 1935 |
Basel Tournament |
5 | / | 10 |
| | | |
| Munich 1936 |
Unofficial Olympiad |
12 | / | 18 |
| | | |
| Vienna 1937 (1) |
Döry Memorial Tournament and Vienna Championship |
5.5 | / | 14 |
| | | |
| Vienna 1938 (1) |
20th Trebitsch Memorial Tournament |
6.5 | / | 11 |
| | | |
| Bremen 1938 |
Germany - Scandinavia Match |
| | | | | | |
|
Muller, Ha. - Hage, P. |
1 - 1 |
| | | |
| Aachen 1938 |
1st Reichschach Tournament |
9.5 | / | 13 |
| | | |
| Vienna 1938 (2) |
Vienna Championship |
9.5 | / | 11 |
| | | |
| Vienna 1939 (1) |
Vienna Championship |
10 | / | 12 |
| | | |
| Stuttgart 1939 (4) |
Deutsches Schachverein-Vienna - Münchener Schachklub Match |
| | | | | | |
|
Muller, Ha. - Kohler, A. |
0.5 - 0.5 |
| | | |
| Stuttgart 1939 (7) |
Hamburger Schachklub - Deutsches Schachverein-Vienna Match |
| | | | | | |
|
Muller, Ha. - Heinicke, H.T. |
1 - 0 |
| | | |
| Stuttgart 1939 (9) |
Berliner Schachgesellschaft - Deutsches Schachverein-Vienna Match |
| | | | | | |
|
Muller, Ha. - Richter, K. (2) |
1 - 0 |
| | | |
| Stuttgart 1939 (11) |
Deutsches Schachverein-Vienna - Mannheimer Schachklub Match |
| | | | | | |
|
Muller, Ha. - Bogoljubow, E.D. |
1 - 0 |
| | | |
| Stuttgart 1939 (16) |
Deutsches Schachverein-Vienna - Augustea Schachklub-Leipzig Match |
| | | | | | |
|
Muller, Ha. - Blumich, R.M. |
1 - 0 |
| | | |
| Vienna 1939 (2) |
Vienna Tournament |
5 | / | 7 |
| | | |
| Bad Oeynhausen 1939 |
6th German Championship |
7 | / | 15 |
| | | |
| Bad Elster 1940 |
Bad Elster Tournament |
4.5 | / | 7 |
| | | |
| Krakow and Krynica and Warsaw 1940 |
1st General Government Championship Tournament |
5.5 | / | 11 |
| | | |
| Vienna 1940 |
Vienna Championship |
10 | / | 15 |
| | | |
| Bad Oeynhausen 1941 |
8th German Championship |
9 | / | 15 |
| | | |
| Vienna 1941 |
Vienna Championship |
7.5 | / | 10 |
| | | |
| Bad Oeynhausen 1942 |
9th German Championship |
8 | / | 12 |
| | | |
| Munich 1942 (2) |
Europa Tournament - Group 2 |
6.5 | / | 11 |
| | | |
| Vienna 1942 (2) |
5th Vienna Championship |
9.5 | / | 13 |
| | | |
| Vienna 1943 (1) |
Vienna Championship |
7.5 | / | 11 |
| | | |
| Vienna 1943 (2) |
Greater Germany Championship |
9.5 | / | 15 |
| | | |
| Vienna 1943 (3) |
Reichsturnier |
6 | / | 9 |
| | | |
| Vienna 1946 |
Vienna Tournament |
4 | / | 11 |
| | | |
| Vienna 1947 (1) |
Austria - Hungary Match |
| | | | | | |
|
Muller, Ha. - Gereben, E. |
1 - 1 |
| | | |
| Vienna 1947 (2) |
Schlechter Memorial Tournament |
9 | / | 15 |
| | | |
