| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. R Semmler vs O Killer |
| ½-½ | 34 | 2019 | WS MN/A/05 email | B31 Sicilian, Rossolimo Variation |
| 52. V Tudor vs O Killer |
| ½-½ | 23 | 2019 | WS MN/A/05 email | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 53. O Killer vs V P Malyshev |
| 1-0 | 49 | 2019 | W-ch WS/M/742 email | E06 Catalan, Closed, 5.Nf3 |
| 54. O Killer vs J E Deforel |
| ½-½ | 52 | 2019 | W-ch WS/M/742 email | D52 Queen's Gambit Declined |
| 55. G Jacewicz vs O Killer |
| ½-½ | 25 | 2019 | W-ch WS/M/742 email | B31 Sicilian, Rossolimo Variation |
| 56. J Hebrard vs O Killer |
| ½-½ | 31 | 2019 | W-ch WS/M/742 email | B31 Sicilian, Rossolimo Variation |
| 57. O Killer vs M Ensenbach |
| ½-½ | 30 | 2019 | W-ch WS/M/742 email | D37 Queen's Gambit Declined |
| 58. I Sneddon vs O Killer |
| ½-½ | 53 | 2019 | W-ch WS/M/742 email | B33 Sicilian |
| 59. A Sazon vs O Killer |
| ½-½ | 28 | 2019 | W-ch WS/M/742 email | D47 Queen's Gambit Declined Semi-Slav |
| 60. R Pietrocola vs O Killer |
| ½-½ | 30 | 2019 | W-ch WS/M/742 email | B33 Sicilian |
| 61. O Killer vs M van der Velde |
| ½-½ | 38 | 2019 | W-ch WS/M/742 email | C07 French, Tarrasch |
| 62. O Killer vs R Tassone |
| ½-½ | 35 | 2019 | W-ch WS/M/742 email | D31 Queen's Gambit Declined |
| 63. O Killer vs R Bislin-Wild |
| ½-½ | 37 | 2019 | SUI-ch27 email | D44 Queen's Gambit Declined Semi-Slav |
| 64. P Schmid vs O Killer |
| ½-½ | 31 | 2019 | SUI-ch27 email | D38 Queen's Gambit Declined, Ragozin Variation |
| 65. O Killer vs E Klaus |
| ½-½ | 34 | 2019 | SUI-ch27 email | E99 King's Indian, Orthodox, Taimanov |
| 66. O Killer vs R Mislin |
| ½-½ | 22 | 2019 | SUI-ch27 email | D87 Grunfeld, Exchange |
| 67. O Killer vs F Sueess |
| ½-½ | 51 | 2019 | SUI-ch27 email | D44 Queen's Gambit Declined Semi-Slav |
| 68. P Martin vs O Killer |
| ½-½ | 34 | 2019 | SUI-ch27 email | D15 Queen's Gambit Declined Slav |
| 69. H Muri vs O Killer |
| ½-½ | 30 | 2019 | SUI-ch27 email | A00 Uncommon Opening |
| 70. S Salzmann vs O Killer |
| ½-½ | 31 | 2019 | SUI-ch27 email | D43 Queen's Gambit Declined Semi-Slav |
| 71. R Wegelin vs O Killer |
| ½-½ | 21 | 2019 | SUI-ch27 email | B31 Sicilian, Rossolimo Variation |
| 72. O Killer vs P Ziegler |
| ½-½ | 34 | 2019 | SUI-ch27 email | E15 Queen's Indian |
| 73. O Killer vs J V Canamas Soler |
| ½-½ | 36 | 2019 | ESP MG4/B email | E15 Queen's Indian |
| 74. H Alvarez Villar vs O Killer |
| ½-½ | 29 | 2019 | ESP MG4/B email | D31 Queen's Gambit Declined |
| 75. J M Cadenas Gonzalez vs O Killer |
| ½-½ | 31 | 2019 | ESP MG4/B email | D44 Queen's Gambit Declined Semi-Slav |
Kibitzing
