https://skmtc.net/atomic14/apis/chess-assistant-api/docs/api/levels/get 2026-08-01 0.5 https://skmtc.net/atomic14/apis/chess-assistant-api/docs/api/new_game/post 2026-08-01 0.5 https://skmtc.net/atomic14/apis/chess-assistant-api/docs/api/move/post 2026-08-01 0.5 https://skmtc.net/atomic14/apis/chess-assistant-api/docs/api/fen/get 2026-08-01 0.5 https://skmtc.net/atomic14/apis/chess-assistant-api/docs/api/move_history/get 2026-08-01 0.5