Juegan blancas
Wren – Mayfield
1941
Halifax CAN
Wren – Mayfield
1941
Halifax CAN
Lakeland, T.
1927
The Tablet
Van de Burgt – Schieveld
2003
Weijers NED
Gluecksberg – Najdorf
1930
Varsovia POL
Spare, Carl Erik
1993
Scacchi e Scienze Applicate