| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. C Carls vs Breyer |
 | 0-1 | 42 | 1912 | 18th DSB Congress, Breslau | A10 English |
| 27. Schlechter vs C Carls |
 | 1-0 | 44 | 1912 | 18th DSB Congress, Breslau | D02 Queen's Pawn Game |
| 28. C Carls vs E Cohn |
| ½-½ | 19 | 1912 | 18th DSB Congress, Breslau | A13 English |
| 29. J Mieses vs C Carls |
| 1-0 | 59 | 1912 | 18th DSB Congress, Breslau | B13 Caro-Kann, Exchange |
| 30. C Carls vs Duras |
| 0-1 | 49 | 1912 | 18th DSB Congress, Breslau | A10 English |
| 31. D Przepiorka vs C Carls |
| 1-0 | 39 | 1912 | 18th DSB Congress, Breslau | D31 Queen's Gambit Declined |
| 32. C Carls vs Rubinstein |
| 0-1 | 60 | 1912 | 18th DSB Congress, Breslau | D00 Queen's Pawn Game |
| 33. K Treybal vs C Carls |
| 0-1 | 38 | 1912 | 18th DSB Congress, Breslau | B12 Caro-Kann Defense |
| 34. C Carls vs Tarrasch |
| 1-0 | 34 | 1912 | 18th DSB Congress, Breslau | A13 English |
| 35. O Antze vs C Carls |
| 0-1 | 56 | 1914 | match Bremen | D02 Queen's Pawn Game |
| 36. Schuster vs C Carls |
| 0-1 | 11 | 1914 | Oldenburg Congress | B15 Caro-Kann |
| 37. P Krueger vs C Carls |
| ½-½ | 35 | 1914 | 19th DSB Congress, Mannheim | D94 Grunfeld |
| 38. C Carls vs E Post |
| 1-0 | 34 | 1914 | 19th DSB Congress, Mannheim | A38 English, Symmetrical |
| 39. Breyer vs C Carls |
| 1-0 | 34 | 1914 | 19th DSB Congress, Mannheim | B16 Caro-Kann, Bronstein-Larsen Variation |
| 40. Janowski vs C Carls |
| ½-½ | 51 | 1914 | 19th DSB Congress, Mannheim | B16 Caro-Kann, Bronstein-Larsen Variation |
| 41. C Carls vs Alekhine |
| 0-1 | 31 | 1914 | 19th DSB Congress, Mannheim | A13 English |
| 42. Bogoljubov vs C Carls |
| 1-0 | 20 | 1914 | 19th DSB Congress, Mannheim | D15 Queen's Gambit Declined Slav |
| 43. C Carls vs Flamberg |
| ½-½ | 49 | 1914 | 19th DSB Congress, Mannheim | A29 English, Four Knights, Kingside Fianchetto |
| 44. Tarrasch vs C Carls |
| 1-0 | 28 | 1914 | 19th DSB Congress, Mannheim | D94 Grunfeld |
| 45. C Carls vs J Mieses |
| 1-0 | 52 | 1914 | 19th DSB Congress, Mannheim | A34 English, Symmetrical |
| 46. H Fahrni vs C Carls |
| 1-0 | 45 | 1914 | 19th DSB Congress, Mannheim | B13 Caro-Kann, Exchange |
| 47. C Carls vs Vidmar |
| 0-1 | 27 | 1914 | 19th DSB Congress, Mannheim | A13 English |
| 48. C Carls vs C Hartlaub |
| 0-1 | 39 | 1915 | Bremen | A10 English |
| 49. C Carls vs C Hartlaub |
| 0-1 | 22 | 1918 | Bremen | A21 English |
| 50. J Dimer vs C Carls |
| 0-1 | 25 | 1919 | Luebeck | B16 Caro-Kann, Bronstein-Larsen Variation |
Kibitzing
