Alphabetic Chess: The squares are considered in the order a1, a2…a8, b1…b8, c1 and so on to h8. At each turn, only the unit standing on the square which comes earliest in this order may move. However check and mate are normal.
No.1509Andrew Buchanan &
Thomas Thannheiser Hong Kong / Germany original – 27.05.2020
We are currently working together on "Shortest Shorstes Proofgames". Enclosed our longest problem. We want to summarize the others in an article (coming soon) on the topic. (Authors)
What do you mean by “Shorstes”?