| Uitslagen van externe ronde 4 | 04-08-2013 |
| 1 | Bob | Beeke | Z | 1-0 | 2110 |
| 2 | Otto | Wilgenhof | W | ½-½ | 2324 |
| 3 | Léon van | Tol | Z | 0-1 | 2256 |
| 4 | Remco de | Leeuw | W | 1-0 | 2129 |
| 5 | Wouter van | Rijn | Z | 1-0 | 2179 |
| 6 | Eelco de | Vries | W | ½-½ | 2125 |
| 7 | Michiel | Blok | Z | 0-1 | 2153 |
| 8 | Dirk | Hoogland | W | 1-0 | 2087 |
| 1 | Koert van | Bemmel | Z | 1-0 | 2168 |
| 2 | Richard van der | Wel | W | 0-1 | 2043 |
| 3 | Martijn | Boele | Z | 1-0 | 1841 |
| 4 | John | Sloots | W | 0-1 | 2167 |
| 5 | Frank | Schleipfenbauer | Z | ½-½ | 2111 |
| 6 | Sjoerd van | Roosmalen | W | 1-0 | 2051 |
| 7 | Sander | Berkhout | Z | 1-0 | 2035 |
| 8 | Peter | Boel | W | 1-0 | 2080 |
| 1 | Koen | Maassen van den Brink | Z | 0-1 | 2026 |
| 2 | Daan | Holtackers | W | 0-1 | 2014 |
| 3 | Jochem | Woestenburg | Z | 0-1 | 2017 |
| 4 | Johan | Wolbers | W | 1-0 | 1491 |
| 5 | Remco | Gerlich | Z | 1-0 | 2006 |
| 6 | Theo | Jurrius | W | ½-½ | 1949 |
| 7 | Jan | Knuiman | Z | ½-½ | 1910 |
| 8 | Fred | Reulink | W | 1-0 | 1891 |
| 1 | Cees | Sep | Z | 0-1 | 1846 |
| 2 | Wouter | Abrahamse | W | 1-0 | 1858 |
| 3 | Désiré | Fassaert | Z | ½-½ | 1825 |
| 4 | Ruud | Wille | W | 0-1 | 1816 |
| 5 | Gerben | Hendriks | Z | 1-0 | 1830 |
| 6 | Siert | Huizinga | W | ½-½ | 1844 |
| 7 | Murat | Duman | Z | 0-1 | 1817 |
| 8 | Tony | Hogerhorst | W | 0-1 | 1913 |