FC 2019 - group 3, Frisian Championship
2 • Rugewolf •- Boelens, Ype - van der Meer, Dicky
- Wiersma, Klaas - Kooistra, Cor
- Dyk, Sybren - Sikma, Piet
- Kingma, Frans - Couperus, Sjoerd
- Rugewolf
FC 2019 - group 1, Frisian Championship
1 • Rugewolf •- Hein de Vries - Jelle Wiersma
- Tsjerk Wijbenga - Henk Haanstra
- Siebe Walinga - Taeke Kooistra
- Pieter Hoogterp - Marten Walinga
- Rugewolf
Rugewolf's opening combinations
15 • Rugewolf •- Chapter 1 Combinations in the "Long corner" opening
- Chapter 2 Combinations in the "Bildtse Opening"
- Rugewolf
- BumperBalloonCars
- RoepStoep
DFS course - 2C2 Typical moves
3 • Rugewolf •- Basic capturing principles
- Chapter 2. The cannon 2
- Chapter 3. The cannon 3
- Rugewolf
Frysk ferskaat, Roel Bergsma 1984, last serie unverified puzzles (4/4)
2 • Rugewolf •- Chapter 151
- Chapter 152
- Chapter 153
- Chapter 154
- Rugewolf
Frysk ferskaat, Roel Bergsma 1984, first 50 unverified puzzles (1/4)
5 • Rugewolf •- Chapter 1
- Chapter 2
- Chapter 3
- Chapter 4
- Rugewolf
200 Opening combinations 3/4
3 • Rugewolf •- Chapter 1 (c) H. Walinga
- Chapter 2 1991 G.P. Terpstra - G. Gillebaard
- Chapter 3 (c) H. Walinga
- Chapter 4 Theory
- Rugewolf
200 Opening combinations 2/4
7 • Rugewolf •- Chapter 1 Theoretics
- Chapter 2
- Chapter 3 Miedema-move
- Chapter 4
- Rugewolf
Frysk ferskaat, Roel Bergsma 1984, third 50 unverified puzzles (3/4):
1 • Rugewolf •- Chapter 101
- Chapter 102
- Chapter 103
- Chapter 104
- Rugewolf