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| QuadLevel 3DChess & Checkers |
Desum
Mathematics
by Robert Koernke SR |
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Invented
by Robert Koernke Sr c1970. With revisions by Robert Koernke Jr. Coming soon: Quadlevel Chess for Android! 
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| QuadLevel 3DChess & Checkers |
Desum
Mathematics
by Robert Koernke SR |
|
| |
Invented
by Robert Koernke Sr c1970. With revisions by Robert Koernke Jr. Coming soon: Quadlevel Chess for Android!
|
|