Although it is off-topic, here you might see how do I play Bird opening in chess: ==== 1. f4 Nc6 2. Nf3 Nf6 3. d3 d5 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Re1 Re8 8. e4 dxe4 9. dxe4 Qxd1 10. Rxd1 Rd8 11…
Basically, it is easy to compile all non-orthogonal draughts variants according to rules. They can be divided into Frisian system rules and franco-italian systen rules; the difference is that Frisian…