| Rondenlijst van Aat van der Spek | ||||||
| Ronde | Datum | Tegenstander | Kleur | Score | Punten | Rating |
| 1 | 06-09-2018 | Henk Erkelens | Z | 1,0 | 105,0 | 1470 |
| 2 | 13-09-2018 | afgezegd | 27,0 | |||
| 3 | 20-09-2018 | afgezegd | 27,0 | |||
| 4 | 27-09-2018 | afgezegd | 27,0 | |||
| 5 | 04-10-2018 | Ton van Nieukerke | W | 0,0 | 12,0 | 1467 |
| 6 | 11-10-2018 | Jan Kraijesteijn | Z | 1,0 | 93,3 | 1474 |
| 7 | 18-10-2018 | afgezegd | 27,0 | |||
| 8 | 25-10-2018 | Jaap van der Heiden | W | 0,0 | 13,2 | 1464 |
| 9 | 01-11-2018 | afgezegd | 27,0 | |||
| 10 | 08-11-2018 | extern | W | 0,5 | 54,0 | |
| 11 | 15-11-2018 | extern | W | 1,0 | 54,0 | |
| 12 | 22-11-2018 | afgezegd | 27,0 | |||
| 13 | 29-11-2018 | René Kleiweg | Z | 0,5 | 59,3 | 1469 |
| 14 | 06-12-2018 | Henk Erkelens | W | 0,5 | 60,0 | 1470 |
| 15 | 13-12-2018 | Eduard Philipse | Z | 0,0 | 16,2 | 1467 |
| 16 | 20-12-2018 | afgezegd | 27,0 | |||
| 17 | 03-01-2019 | Derek Zuurmond | Z | 1,0 | 99,2 | 1477 |
| 18 | 10-01-2019 | extern | W | 0,5 | 54,0 | |
| 19 | 17-01-2019 | Nico Dannis | W | 0,0 | 15,2 | 1471 |
| 20 | 24-01-2019 | afgezegd | 27,0 | |||
| 21 | 31-01-2019 | Jaap van der Heiden | Z | 1,0 | 92,2 | 1481 |
| 22 | 07-02-2019 | Hans van Woudenberg | W | 0,5 | 66,7 | 1487 |
| 23 | 14-02-2019 | Jan van der Born | W | 0,0 | 13,7 | 1482 |
| 24 | 21-02-2019 | Arno Luinenburg | Z | 0,0 | 15,3 | 1480 |
| 25 | 28-02-2019 | afgezegd | 13,5 | |||
| 26 | 07-03-2019 | Jaap van Sandijk | W | 1,0 | 88,7 | 1486 |
| 27 | 14-03-2019 | extern | W | 0,0 | 54,0 | |
| 28 | 21-03-2019 | afgezegd | 13,5 | |||
| 29 | 28-03-2019 | René Kleiweg | W | 0,0 | 14,8 | 1480 |
| 30 | 04-04-2019 | extern | W | 0,0 | 54,0 | |
| 31 | 11-04-2019 | oneven | 81,0 | |||
| 32 | ||||||
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| 34 | ||||||
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| 36 | ||||||
| 37 | ||||||
| 38 | ||||||
| Totaal | 1358,7 | |||||