Partijen in Ronde 4 – 17-10-2018.
| 1 | Aad van Eijk | – | Jan van der Meer | 0-1 |
| 2 | Robert Warmenhoven | – | Peter van Wermeskerken | 1-0 |
| 3 | Harald Homulle | – | Louis Wulffers | 1-0 |
| 4 | Maurits Bons | – | Edwin van der Leij | 1-0 |
| 5 | Ruud van Dijk | – | Rob Warmerdam | 0-1 |
| 6 | Jeffrey Hofland | – | Henk van Huizen | 0-1 |
| 7 | Rene Denie | – | Dominique Nierop | 0-1 |
| 8 | Arno van der Kruijs | – | Rob Bes | 0-1 |
| 9 | Hans Hendriks | – | Aad Middeldorp | ½-½ |
Rangschikking na Ronde 4 – 17-10-2018 – Normal ranking.
| Pos | Naam | Prt | W | R | V | Score | Wrde | VWrde | S | R | Rtg | TPR | BRtg |
| 1 | Jan van der Meer | 4 | 3 | 1 | 0 | 406,5 | 100,0 | 99,0 | 0 | -1 | 1595 | 1866 | 1577 |
| 2 | Harald Homulle | 3 | 2 | 1 | 0 | 350,8 | 99,0 | 97,0 | 1 | 1 | 1412 | 1614 | 1403 |
| 3 | Aad van Eijk | 3 | 2 | 0 | 1 | 332,7 | 98,0 | 100,0 | 1 | 1 | 1606 | 1745 | 1600 |
| 4 | Maurits Bons | 3 | 2 | 0 | 1 | 325,7 | 97,0 | 94,0 | 1 | 2 | 1637 | 1734 | 1635 |
| 5 | Rob Warmerdam | 2 | 1 | 1 | 0 | 322,0 | 96,0 | 93,0 | 0 | -1 | 1745 | 1641 | 1751 |
| 6 | Robert Warmenhoven | 1 | 1 | 0 | 0 | 298,7 | 95,0 | 86,0 | 1 | 1 | 1522 | 1909 | 1513 |
| 7 | Henk van Huizen | 1 | 1 | 0 | 0 | 292,7 | 94,0 | 89,0 | -1 | -1 | 1930 | 1972 | 1928 |
| 8 | Peter van Wermeskerken | 3 | 2 | 0 | 1 | 291,7 | 93,0 | 98,0 | -1 | -2 | 1487 | 1558 | 0 |
| 9 | Koos Croes | 1 | 1 | 0 | 0 | 257,0 | 92,0 | 92,0 | 1 | 1 | 1422 | 1493 | 1420 |
| 10 | Dominique Nierop | 1 | 1 | 0 | 0 | 246,0 | 91,0 | 83,0 | -1 | -1 | 1575 | 1576 | 1573 |
| 11 | Louis Wulffers | 3 | 1 | 1 | 1 | 242,0 | 90,0 | 96,0 | -1 | -1 | 1318 | 1483 | 1311 |
| 12 | Wim de Groot | 3 | 1 | 1 | 1 | 241,5 | 89,0 | 90,0 | -1 | 1 | 1442 | 1513 | 0 |
| 13 | Edwin van der Leij | 4 | 2 | 0 | 2 | 234,0 | 88,0 | 95,0 | 0 | -1 | 1490 | 1514 | 1494 |
| 14 | Franke Boersma | 1 | 0 | 1 | 0 | 224,0 | 87,0 | 88,0 | 1 | 1 | 1645 | 1389 | 1652 |
| 15 | Michelle de Liefde | 1 | 0 | 1 | 0 | 223,5 | 86,0 | 87,0 | -1 | -1 | 1369 | 1665 | 1363 |
| 16 | Rob Bes | 3 | 1 | 1 | 1 | 211,2 | 85,0 | 74,0 | -1 | -2 | 1532 | 1527 | 1537 |
| 17 | Ruud van Dijk | 3 | 0 | 2 | 1 | 209,8 | 84,0 | 91,0 | 1 | 2 | 1317 | 1388 | 0 |
| 18 | Dennis de Zwart | 1 | 0 | 1 | 0 | 206,5 | 83,0 | 82,0 | 1 | 1 | 1551 | 1622 | 0 |
| 19 | Geert van den Berg | 0 | 0 | 0 | 0 | 196,0 | 82,0 | 84,0 | 0 | 0 | 1529 | 1529 | |
| 20 | Jeffrey Hofland | 3 | 0 | 2 | 1 | 191,3 | 81,0 | 85,0 | 1 | 1 | 1551 | 1622 | 0 |
| 21 | Peter Taanman | 0 | 0 | 0 | 0 | 189,0 | 80,0 | 81,0 | 0 | 0 | 1612 | 1612 | |
| 22 | Mike de Torbal | 0 | 0 | 0 | 0 | 184,3 | 79,0 | 79,0 | 0 | 0 | 0 | 0 | |
| 23 | Mai Huong Nguyen | 0 | 0 | 0 | 0 | 182,0 | 78,0 | 78,0 | 0 | 0 | 0 | 0 | |
| 24 | Stefan Bekker | 0 | 0 | 0 | 0 | 179,6 | 77,0 | 77,0 | 0 | 0 | 0 | 0 | |
| 25 | Patrick van Rijn | 0 | 0 | 0 | 0 | 177,3 | 76,0 | 76,0 | 0 | 0 | 0 | 0 | |
| 26 | Theo van der Pol | 1 | 0 | 0 | 1 | 175,0 | 75,0 | 75,0 | 1 | 1 | 1091 | 1162 | 0 |
| 27 | Hans Hendriks | 2 | 0 | 1 | 1 | 154,5 | 74,0 | 72,0 | 0 | 1 | 1430 | 1364 | 1438 |
| 28 | Rene Denie | 3 | 0 | 1 | 2 | 152,2 | 73,0 | 80,0 | 1 | 1 | 1155 | 1226 | 0 |
| 29 | Jelle van der Heijde | 1 | 0 | 0 | 1 | 146,0 | 72,0 | 73,0 | -1 | -1 | 1072 | 1143 | 0 |
| 30 | Roberto Hoogendijk | 1 | 0 | 0 | 1 | 142,0 | 71,0 | 71,0 | -1 | -1 | 1138 | 1209 | 0 |
| 31 | Aad Middeldorp | 4 | 0 | 2 | 2 | 140,0 | 70,0 | 69,0 | -2 | -2 | 1361 | 1304 | 1376 |
| 32 | Arno van der Kruijs | 4 | 0 | 1 | 3 | 104,5 | 69,0 | 70,0 | 0 | 1 | 1180 | 1158 | 1187 |
