System Information
Donner-Sobel System Summary Form, ACBL Convention Card
Meltzer-Demirev System Summary Form, ACBL Convention Card
About the Players
Gary Donner
![]() |
Yoko Sobel
![]() |
Rose Meltzer
![]() |
Nikolay Demirev
![]() |
Donner-Sobel System Summary Form, ACBL Convention Card
Meltzer-Demirev System Summary Form, ACBL Convention Card
![]() |
![]() |
![]() |
![]() |