Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. H Hahlbohm vs J Shallcross |
| 0-1 | 33 | 1910 | Northwest CC ch | B32 Sicilian |
2. Capablanca vs H Hahlbohm |
 | ½-½ | 22 | 1910 | Simul, 28b | C45 Scotch Game |
3. J Winter vs H Hahlbohm |
| 0-1 | 21 | 1913 | 14th Western Championship | D02 Queen's Pawn Game |
4. H Hahlbohm vs E Michelsen |
| 1-0 | 47 | 1913 | 14th Western Championship | C42 Petrov Defense |
5. J Beckner vs H Hahlbohm |
 | 1-0 | 31 | 1913 | 14th Western Championship | C67 Ruy Lopez |
6. H Hahlbohm vs E Schonsberg |
| 1-0 | 34 | 1914 | Chicago Championship, Finals | D60 Queen's Gambit Declined, Orthodox Defense |
7. H Hahlbohm vs J Morrison |
| 1-0 | 38 | 1914 | 15th Western Championship | D66 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
8. H Hahlbohm vs G H Wolbrecht |
 | 0-1 | 24 | 1914 | 15th Western Championship playoff | D55 Queen's Gambit Declined |
9. Showalter vs H Hahlbohm |
| 1-0 | 35 | 1915 | 16th Western Championship | D30 Queen's Gambit Declined |
10. H Hahlbohm vs W Widmeyer |
  | 1-0 | 15 | 1915 | 16th Western Championship | D43 Queen's Gambit Declined Semi-Slav |
11. H Hahlbohm vs D Barkuloo |
| 1-0 | 62 | 1915 | 16th Western Championship | D30 Queen's Gambit Declined |
12. H Hahlbohm vs N Whitaker |
| ½-½ | 71 | 1915 | 16th Western Championship | D60 Queen's Gambit Declined, Orthodox Defense |
13. H Hahlbohm vs W Moorman |
 | 1-0 | 12 | 1916 | 17th Western Championship | C41 Philidor Defense |
14. H Hahlbohm vs Showalter |
| 1-0 | 34 | 1916 | 17th Western Championship | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
15. Kostic vs H Hahlbohm |
| ½-½ | 51 | 1918 | 19th Western Championship | D33 Queen's Gambit Declined, Tarrasch |
16. H Hahlbohm vs Ed. Lasker |
| 0-1 | 44 | 1918 | 19th Western Championship | D27 Queen's Gambit Accepted, Classical |
17. H Hahlbohm vs A Hodges |
| 0-1 | 30 | 1920 | Kenwood CC - Brooklyn CC telegraph m | A46 Queen's Pawn Game |
18. E E Stearns vs H Hahlbohm |
| 0-1 | 23 | 1921 | 22nd Western Championship | D02 Queen's Pawn Game |
19. N Whitaker vs H Hahlbohm |
| 0-1 | 44 | 1921 | 22nd Western Championship | A02 Bird's Opening |
20. J Beckner vs H Hahlbohm |
| 1-0 | 33 | 1921 | 22nd Western Championship | C43 Petrov, Modern Attack |
21. N Whitaker vs H Hahlbohm |
 | 0-1 | 31 | 1921 | 22nd Western Championship | A02 Bird's Opening |
22. H Hahlbohm vs Ed. Lasker |
| ½-½ | 62 | 1921 | 22nd Western Championship | D63 Queen's Gambit Declined, Orthodox Defense |
23. S Mlotkowski vs H Hahlbohm |
| ½-½ | 23 | 1924 | 25th Western Championship | B03 Alekhine's Defense |
24. H Hahlbohm vs Reshevsky |
| 0-1 | 47 | 1924 | 25th Western Championship | D51 Queen's Gambit Declined |
25. H Hahlbohm vs S Factor |
| 0-1 | 42 | 1924 | 25th Western Championship | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |