| Uitslagen 21 december (ronde 13) | ||||
| Wit | - | Zwart | Uitslag | |
| 1 | Breimer, Jappie | - | Jellesma, Cornelis | 1-0 |
| 2 | Vries, Tjeerd de | - | Zwartjes, Theo | 1-0 |
| 3 | Wevers, Jan | - | Starreveld, Hans | 0-1 |
| 4 | Wal, Sijtze v.d. | - | Breimer, Henk | 0-1 |
| 5 | Kloots, Hans | - | Tjerkstra, Douwe | 0-1 |
| Ranglijst bijgewerkt t/m 21 december 2012 | ||||||||||
| Nr | Naam | Punten | Wa | Gsp | Gw | Rm | Vl | Af | Perc | WP |
| 1 | Groot, Wim de | 43,67 | 24 | 9 | 8 | 0 | 1 | 0 | 88,9 | 47,5 |
| 2 | Draijer, Chris | 42,67 | 23 | 10 | 7 | 3 | 0 | 0 | 85 | 44,5 |
| 3 | Tjerkstra, Douwe | 35,33 | 22 | 9 | 5 | 2 | 2 | 0 | 66,7 | 58,5 |
| 4 | Brinkman, Jan | 34,33 | 21 | 8 | 6 | 1 | 1 | 0 | 81,3 | 40 |
| 5 | Beks, Herman | 33,17 | 20 | 11 | 5 | 3 | 3 | 0 | 59,1 | 60 |
| 6 | Breimer, Jappie | 32,83 | 19 | 12 | 4 | 5 | 3 | 0 | 54,2 | 61 |
| 7 | Starreveld, Hans | 31,17 | 18 | 11 | 4 | 5 | 2 | 0 | 59,1 | 55,5 |
| 8 | Vries, Tjeerd de | 30 | 17 | 12 | 4 | 5 | 3 | 0 | 54,2 | 61 |
| 9 | Breimer, Henk | 25,5 | 16 | 9 | 4 | 2 | 3 | 0 | 55,6 | 50 |
| 10 | Wijmenga, Trienke | 22,33 | 15 | 12 | 4 | 2 | 6 | 0 | 41,7 | 63,5 |
| 11 | Kloots, Hans | 21,67 | 14 | 13 | 3 | 3 | 7 | 0 | 34,6 | 68 |
| 12 | Wal, Sijtze v.d. | 20,33 | 13 | 12 | 0 | 8 | 4 | 0 | 33,3 | 62,5 |
| 13 | Jellesma, Cornelis | 8,67 | 12 | 10 | 1 | 2 | 7 | 0 | 20 | 53 |
| 14 | Wevers, Jan | 7,5 | 11 | 10 | 1 | 2 | 7 | 0 | 20 | 51,5 |
| 15 | Zwartjes, Theo | 6,17 | 10 | 10 | 1 | 1 | 8 | 0 | 15 | 52 |
| 16 | Rob Hoogvliet | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Elo rating lijst bijgewerkt t/m 21 december 2012 | ||||||||||
| Nr | Naam | ELO | startELO | - | verschil | GSP | GW | RM | VL | PERC |
| 1 | Tjerkstra, Douwe | 1585 | 1539 | (+ 46) | 12 | 6 | 3 | 3 | 62,5 | |
| 2 | Groot, Wim de | 1711 | 1688 | (+ 23) | 11 | 8 | 1 | 2 | 77,3 | |
| 3 | Draijer, Chris | 1797 | 1789 | (+ 8) | 14 | 9 | 5 | 0 | 82,1 | |
| 4 | Breimer, Henk | 1541 | 1533 | (+ 8) | 11 | 5 | 2 | 4 | 54,5 | |
| 5 | Vries, Tjeerd de | 1558 | 1554 | (+ 4) | 13 | 4 | 6 | 3 | 53,8 | |
| 6 | Brinkman, Jan | 1715 | 1712 | (+ 3) | 12 | 7 | 3 | 2 | 70,8 | |
| 7 | Breimer, Jappie | 1583 | 1582 | (+ 1) | 14 | 5 | 5 | 4 | 53,6 | |
| 8 | Rob Hoogvliet | 1375 | 1375 | (+ 0) | 0 | 0 | 0 | 0 | 0 | |
| 9 | Jellesma, Cornelis | 1260 | 1260 | (+ 0) | 10 | 1 | 2 | 7 | 20 | |
| 10 | Wal, Sijtze v.d. | 1399 | 1400 | (- 1) | 12 | 0 | 8 | 4 | 33,3 | |
| 11 | Beks, Herman | 1733 | 1748 | (- 15) | 15 | 8 | 3 | 4 | 63,3 | |
| 12 | Zwartjes, Theo | 1284 | 1300 | (- 16) | 10 | 1 | 1 | 8 | 15 | |
| 13 | Kloots, Hans | 1444 | 1461 | (- 17) | 14 | 3 | 3 | 8 | 32,1 | |
| 14 | Wevers, Jan | 1349 | 1369 | (- 20) | 10 | 1 | 2 | 7 | 20 | |
| 15 | Starreveld, Hans | 1638 | 1661 | (- 23) | 14 | 5 | 6 | 3 | 57,1 | |
| 16 | Wijmenga, Trienke | 1508 | 1534 | (- 26) | 13 | 4 | 2 | 7 | 38,5 | |