24 problem combinations of Ton Sijbrands
59:39
Isidore Weiss 25 victories (Wch 1899-1911)
11:53
Tactical Brilliance: Sijbrands' Unforgettable Draughts Forklock Triumphs
17:39
32 problem combination of Pierre Ghestem
7:57
Ton Sijbrands in De Wereld Draait Door (20090928)
6:27
Jean-Marc Ndjofang - Alexander Georgiev - WC Draughts 2011
18:25
A Pergunta do SAT que Todos Erraram
1:44:01
2M8 Groenendijk Jan Burleson Guno
17:08