Game |
| Result | Moves |
Year | Event/Locale | Opening |
51. S Kosmo vs J Henriksson |
| 1-0 | 29 | 2015 | Rilton Cup 2015/16 | B16 Caro-Kann, Bronstein-Larsen Variation |
52. P Koykka vs S Kosmo |
| 1-0 | 40 | 2016 | Rilton Cup 2015/16 | A70 Benoni, Classical with 7.Nf3 |
53. S Kosmo vs T Rydstrom |
 | ½-½ | 58 | 2016 | Rilton Cup 2015/16 | C39 King's Gambit Accepted |
54. J Sarwer vs S Kosmo |
| 1-0 | 38 | 2016 | Rilton Cup 2015/16 | A65 Benoni, 6.e4 |
55. S Kosmo vs M Hejazipour |
| ½-½ | 79 | 2016 | Rilton Cup 2015/16 | B98 Sicilian, Najdorf |
56. B Petersson vs S Kosmo |
| 0-1 | 33 | 2016 | Rilton Cup 2015/16 | B25 Sicilian, Closed |
57. T Viljava vs S Kosmo |
| 1-0 | 49 | 2018 | TCh-FIN -19 | A15 English |
58. V Durarbayli vs S Kosmo |
| 1-0 | 51 | 2018 | European Club Cup | A65 Benoni, 6.e4 |
59. P Bevan vs S Kosmo |
| 0-1 | 44 | 2018 | European Club Cup | E67 King's Indian, Fianchetto |
60. M Gorodetzky vs S Kosmo |
 | 0-1 | 35 | 2018 | European Club Cup | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
61. K Millward vs S Kosmo |
| 0-1 | 46 | 2018 | European Club Cup | A45 Queen's Pawn Game |
62. S Kosmo vs L Varnam |
 | 1-0 | 41 | 2018 | European Club Cup | C36 King's Gambit Accepted, Abbazia Defense |
63. K Sorri vs S Kosmo |
| 0-1 | 38 | 2019 | FIN-chT 1920 | A46 Queen's Pawn Game |
64. S Kosmo vs A Diermair |
| ½-½ | 34 | 2019 | European Club Cup | C39 King's Gambit Accepted |