Roozemburg
1 • Machadinho •- Chapter 1
- Chapter 2
- Chapter 3 - J. de Boer x F. Merner
- Chapter 4 - O. Peyre-Longue x E. Budé
- Machadinho
100 SQUARES - 5 STUDIES
1 • Machadinho •- 1966 - SCHKITIN x KUZNETSOV
- 1968 - VAN DER SLUIS x TON SIJBRANDS
- 1967 - SLOBINKSY x SUTOVSKY - Korolevsky Shot
- BEN SPRINGER (SHOT)
- Machadinho
100 SQUARES - 5 OTHER STUDIES
1 • Machadinho •- ALEXANDROV x KOSMINSKY
- BARTELING
- FABRE-GAAZA
- OLYMPIC
- Machadinho