| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Bogoljubov vs Carls |
 | 1-0 | 20 |
1914 |
19. DSB Congress, Mannheim (GER) | D93 Grunfeld, with Bf4 & e3 |
| 27. Schuster vs Carls |
 | 0-1 | 11 |
1914 |
Weekend tournament | B15 Caro-Kann |
| 28. A Olsson vs Carls |
| 0-1 | 48 |
1920 |
Goteborg B | B15 Caro-Kann |
| 29. Carls vs Hakansson |
| ½-½ | 67 |
1920 |
Goteborg B | A13 English |
| 30. Olland vs Carls |
| 1-0 | 55 |
1920 |
Goteborg B | B15 Caro-Kann |
| 31. Carls vs Samisch |
| 1-0 | 92 |
1920 |
Goteborg B | E05 Catalan, Open, Classical line |
| 32. E Jacobson vs Carls |
| 0-1 | 45 |
1920 |
Goteborg B | B06 Robatsch |
| 33. Carls vs M Marchand |
| 0-1 | 49 |
1920 |
Goteborg B | A25 English |
| 34. Carls vs Euwe |
 | 0-1 | 25 |
1920 |
Goteborg B | A13 English |
| 35. Carls vs V Sjoeberg |
| 0-1 | 35 |
1920 |
Goteborg B | A13 English |
| 36. H Von Hennig vs Carls |
| 1-0 | 34 |
1920 |
Goteborg B | B15 Caro-Kann |
| 37. P F Johner vs Carls |
| ½-½ | 45 |
1920 |
Goteborg B | D15 Queen's Gambit Declined Slav |
| 38. A Nilsson vs Carls |
| 1-0 | 47 |
1920 |
Goteborg B | D15 Queen's Gambit Declined Slav |
| 39. Carls vs W John |
| 0-1 | 34 |
1920 |
Goteborg B | A29 English, Four Knights, Kingside Fianchetto |
| 40. K Kullberg vs Carls |
| ½-½ | 61 |
1920 |
Goteborg B | B06 Robatsch |
| 41. Carls vs A Larsson |
| 1-0 | 43 |
1920 |
Goteborg B | A36 English |
| 42. Carls vs Gruenfeld |
| 1-0 | 39 |
1920 |
Goteborg B | A29 English, Four Knights, Kingside Fianchetto |
| 43. Carls vs A Brinckmann |
 | ½-½ | 81 |
1921 |
21. DSB Kongress | A18 English, Mikenas-Carls |
| 44. Carls vs H Wagner |
| ½-½ | 36 |
1921 |
21. DSB Kongress | D32 Queen's Gambit Declined, Tarrasch |
| 45. O Zander vs Carls |
| 0-1 | 56 |
1921 |
21. DSB Kongress | B06 Robatsch |
| 46. W Schlage vs Carls |
| 1-0 | 33 |
1921 |
21. DSB Kongress | B15 Caro-Kann |
| 47. Carls vs P Kruger |
| 0-1 | 30 |
1921 |
21. DSB Kongress | D51 Queen's Gambit Declined |
| 48. Carls vs B Gregory |
| 1-0 | 69 |
1921 |
21. DSB Kongress | A22 English |
| 49. Samisch vs Carls |
| ½-½ | 26 |
1921 |
21. DSB Kongress | D90 Grunfeld |
| 50. Ahues vs Carls |
 | 0-1 | 24 |
1921 |
21. DSB Kongress | B13 Caro-Kann, Exchange |