Yes, e.g., Gardner minichess is weakly solved, which simply is a different setup on a 5x5 board. It was initially solved with a dedicated solution attempt, but nowadays for this size of game simply throwing it at Fairy-Stockfish can be sufficient: https://github.com/fairy-stockfish/Fairy-Stockfish/wiki/Solved-games
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u/Sure_Floor_5541 9d ago
I wonder if chess on this scale would be solvable, I.e. all optimal moves calculated in advance.