G.de Jong Overdagschaakkampioen
| Uitslag Ronde 13 | ||||||
| 1 | Julius Bosma | - | G.de Jong | 0 - 1 | ||
| 2 | Wytze van der Zee | - | J.Dijkstra | 1 - 0 | ||
| 3 | D.Schild | - | R Vergonet | 0 - 1 | ||
| 4 | Jan Hans de Jong | - | Vrije Ronde | |||
| Eindstand na Ronde | 13 | |||||||||||
| Totaal | ||||||||||||
| Punten | ||||||||||||
| 1 | G.de Jong | 9,5 | 13 | 7 | 5 | 1 | 9½ | 73,08% | ||||
| 2 | Wytze van der Zee | 6,5 | 12 | 3 | 5 | 3 | 5½ | 1 | 54,17% | |||
| 3 | Julius Bosma | 5,5 | 12 | 3 | 3 | 5 | 4½ | 1 | 45,83% | |||
| 4 | J.Dijkstra | 5,0 | 12 | 3 | 2 | 6 | 4 | 1 | 41,67% | |||
| 5 | Peter Walinga | 5,0 | 6 | 4 | 0 | 1 | 4 | 1 | 83,33% | |||
| 6 | Jan Hans de Jong | 5,0 | 7 | 3 | 2 | 1 | 4 | 1 | 71,43% | |||
| 7 | R Vergonet | 4,5 | 5 | 3 | 1 | 0 | 3½ | 1 | 90,00% | |||
| 8 | D.Schild | 2,0 | 8 | 1 | 0 | 6 | 1 | 1 | 25,00% | |||
| 9 | R.Friso | 0,0 | 1 | 0 | 0 | 1 | 0 | 0,00% | ||||