Fix move tree previous index calculation

chesskit-app / chesskit-swift

♟️ Swift package for implementing chess logic.

MIT License

7 stars 6 forks source link

Closed pdil closed 1 month ago

pdil commented 1 month ago

Fix issue in MoveTree.previousIndex(for:) when provided index is equal to minimumIndex.next.
Regression occurred after introduction of minimumIndex property in MoveTree.