| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. K Niemi vs P Koykka |
| ½-½ | 47 | 2018 | Finnish Championship | A04 Reti Opening |
| 77. P Koykka vs J Jarvenpaa |
| 1-0 | 40 | 2018 | Finnish Championship | D27 Queen's Gambit Accepted, Classical |
| 78. S Nyysti vs P Koykka |
| ½-½ | 41 | 2018 | Finnish Championship | C18 French, Winawer |
| 79. T Keinanen vs P Koykka |
| 1-0 | 29 | 2018 | Finnish Championship | A37 English, Symmetrical |
| 80. P Koykka vs V Sipila |
| 1-0 | 39 | 2018 | Finnish Championship | A48 King's Indian |
| 81. B Polak vs P Koykka |
| ½-½ | 60 | 2018 | Pardubice Open-A | A06 Reti Opening |
| 82. P Koykka vs C Oberhofer |
| 1-0 | 42 | 2018 | Pardubice Open-A | A45 Queen's Pawn Game |
| 83. P Koykka vs C Noe |
| ½-½ | 30 | 2018 | Pardubice Open-A | C45 Scotch Game |
| 84. B Debevec vs P Koykka |
| 0-1 | 60 | 2018 | Pardubice Open-A | B01 Scandinavian |
| 85. P Koykka vs L de La Fuente |
| ½-½ | 37 | 2018 | Pardubice Open-A | C00 French Defense |
| 86. P Potapov vs P Koykka |
| 1-0 | 21 | 2018 | Pardubice Open-A | A07 King's Indian Attack |
| 87. P Koykka vs T Polgar-Shutzman |
| 1-0 | 40 | 2018 | Pardubice Open-A | A62 Benoni, Fianchetto Variation |
| 88. M Tomczak vs P Koykka |
| ½-½ | 42 | 2018 | Pardubice Open-A | A30 English, Symmetrical |
| 89. P Koykka vs K Bryzgalin |
| ½-½ | 8 | 2018 | Pardubice Open-A | C45 Scotch Game |
| 90. P Koykka vs S Wagner |
| 1-0 | 66 | 2018 | Rilton Cup 2018/19 | B01 Scandinavian |
| 91. M Lagarde vs P Koykka |
| 1-0 | 33 | 2018 | Rilton Cup 2018/19 | D00 Queen's Pawn Game |
| 92. P Koykka vs D Golikov |
| 1-0 | 37 | 2018 | Rilton Cup 2018/19 | C11 French |
| 93. Anand Pranav vs P Koykka |
| 1-0 | 62 | 2018 | Rilton Cup 2018/19 | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 94. P Koykka vs B Dauth |
| ½-½ | 31 | 2018 | Rilton Cup 2018/19 | D79 Neo-Grunfeld, 6.O-O, Main line |
| 95. I Babikov vs P Koykka |
| 0-1 | 25 | 2019 | Rilton Cup 2018/19 | B18 Caro-Kann, Classical |
| 96. P Koykka vs D Kolbus |
| 1-0 | 54 | 2019 | Rilton Cup 2018/19 | C42 Petrov Defense |
| 97. M Santos Ruiz vs P Koykka |
| 1-0 | 49 | 2019 | Rilton Cup 2018/19 | B13 Caro-Kann, Exchange |
| 98. P Koykka vs M Schekachikhin |
| ½-½ | 43 | 2019 | Rilton Cup 2018/19 | A01 Nimzovich-Larsen Attack |
| 99. J Jarvenpaa vs P Koykka |
| ½-½ | 29 | 2019 | Finnish Championship | A37 English, Symmetrical |
| 100. P Koykka vs E Ronka |
| 1-0 | 40 | 2019 | Finnish Championship | B13 Caro-Kann, Exchange |
Kibitzing
