Parties de Usachyi, Mark
- Usachyi,+Mark vs Geller,+Efim+P Wch+Seniors 1991. . 0-1
- Usachyi,+Mark vs Jakovenko,+Dmitrij St+Ingbert+op 1995. . 0-1
- Pachman,+Ludek vs Usachyi,+Mark Wch+Seniors 1991. . 0-1
- Usachyi,+Mark vs Smyslov,+Vassily Wch+Seniors 1991. . 1-2-1-2
- Usachyi,+Mark vs Unzicker,+Wolfgang Wch+Seniors 1991. . 1-2-1-2
- Unzicker,+Wolfgang vs Usachyi,+Mark Wch+Seniors 1992. . 1-0
- Unzicker,+Wolfgang vs Usachyi,+Mark Wch+Seniors 1993. . 1-2-1-2