You can enter Analysis mode from:
The menu at the upper left
After a completed game
Puzzle Practice
In analysis mode, you can analyze your games, upload & download PGN or set up your own board.
To analyze your games:
Select the Games tab. Browse your games list then choose the game you'd like to analyze.
Select the gear icon to toggle the Engine, Evaluation Bar and Highlight Top Moves options.
Use the forward and back arrows to step through the moves.
Use the different controls at bottom to flip the board, start new analysis, reset variations, play against the computer from a specific position or download PGN.
To upload pgn:
Choose the Upload control button near the bottom.
Select the Upload PGN button to browse your computer for a PGN file.
OR
Copy & paste the PGN text into the Paste PGN Here field then select the Use Pasted PGN button.
Select the gear icon to toggle the Engine, Evaluation Bar and Highlight Top Moves options.
Use the forward and back arrows to step through the moves.
Use the different controls at bottom to flip the board, start new analysis, reset variations, play against the computer from a specific position or download PGN.
To set up a board:
Choose the Setup tab.
Play the moves of the game to get to a specific position.
OR
Click the Trash Can icon at the top to clear the entire board. Then click and drop pieces to set up your position. (Click the X at the top then click on individual pieces to remove them from the board. Click X again to exit delete mode.)
Select the Analyze button.
Select the gear icon to toggle the Engine, Evaluation Bar and Highlight Top Moves options.
Use the forward and back arrows to step through the moves.
Use the different controls at bottom to flip the board, start new analysis, reset variations, play against the computer from a specific position or download PGN.