| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. M Okkes vs R Friedmann |
| 0-1 | 41 | 2010 | NED-chT | B75 Sicilian, Dragon, Yugoslav Attack |
| 52. M Okkes vs M Van Laatum |
| ½-½ | 23 | 2011 | 15th Unive Open | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 53. R Hoffman vs M Okkes |
| 0-1 | 33 | 2011 | 15th Unive Open | A13 English |
| 54. M Okkes vs E Goudriaan |
| ½-½ | 27 | 2011 | 15th Unive Open | E90 King's Indian |
| 55. D Wagner vs M Okkes |
| 1-0 | 29 | 2011 | 15th Unive Open | D30 Queen's Gambit Declined |
| 56. M Okkes vs K Sekandar |
| 0-1 | 49 | 2011 | 15th Unive Open | B13 Caro-Kann, Exchange |
| 57. M Okkes vs Y Nagel |
| 1-0 | 48 | 2011 | TCh-NED Meesterklasse -12 | B40 Sicilian |
| 58. M Okkes vs E Schoehuijs |
| ½-½ | 19 | 2012 | 16th Unive Open | E94 King's Indian, Orthodox |
| 59. R Baskin vs M Okkes |
| 0-1 | 35 | 2012 | 16th Unive Open | C77 Ruy Lopez |
| 60. M Okkes vs S Guramishvili |
| ½-½ | 21 | 2012 | 16th Unive Open | A13 English |
| 61. D de Ruiter vs M Okkes |
| ½-½ | 19 | 2012 | 16th Unive Open | E06 Catalan, Closed, 5.Nf3 |
| 62. M Okkes vs L van Foreest |
| 0-1 | 31 | 2012 | 16th Unive Open | E97 King's Indian |
| 63. Z Kollen vs M Okkes |
| ½-½ | 84 | 2012 | 16th Unive Open | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 64. M Okkes vs I van der Lende |
| 1-0 | 54 | 2012 | 16th Unive Open | E05 Catalan, Open, Classical line |
| 65. D Kerigan vs M Okkes |
| 0-1 | 73 | 2012 | 16th Unive Open | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 66. M Okkes vs S Brynell |
| ½-½ | 38 | 2012 | 16th Unive Open | E04 Catalan, Open, 5.Nf3 |
| 67. M Okkes vs T Vos |
| 1-0 | 55 | 2013 | Unive Open | E08 Catalan, Closed |
| 68. R Baskin vs M Okkes |
| ½-½ | 43 | 2013 | Unive Open | B89 Sicilian |
| 69. M Okkes vs A van Wageningen |
| 1-0 | 30 | 2013 | Unive Open | A06 Reti Opening |
| 70. D Wagner vs M Okkes |
| 0-1 | 40 | 2013 | Unive Open | A32 English, Symmetrical Variation |
| 71. M Okkes vs L'Ami |
| ½-½ | 67 | 2013 | Unive Open | A13 English |
| 72. M Okkes vs T Sachdev |
| 0-1 | 48 | 2013 | Unive Open | A06 Reti Opening |
| 73. F Pancevski vs M Okkes |
 | 1-0 | 67 | 2013 | Unive Open | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 74. P Hulshof vs M Okkes |
| ½-½ | 31 | 2013 | Unive Open | B25 Sicilian, Closed |
| 75. M Okkes vs J van der Veen |
| 1-0 | 25 | 2013 | Unive Open | E92 King's Indian |
Kibitzing
