Silicon Chess: PGN & Analysis

Silicon Chess is your chess analysis board and PGN reader for Android. Open your games, follow every move and organize your library. With Premium, analyze positions with Stockfish 19, explore openings with Silicio Computer Book and train your memory and board visualization. Open, read and edit PGN games Import PGN files to replay games on the board, follow variations and read comments. Add your own annotations, highlights and arrows, save your analysis and export your games. Organize your PGN databases in a local library to keep studying on your phone or tablet. Position editor and FEN Place the pieces and set up the position you want to study. Import or export FEN, try legal moves and share a position or a board image. Chess analysis with Stockfish 19 · Premium Analyze your games and positions with the engine running on your device. Compare analysis lines, explore variations and play against Stockfish 19. On a phone, you can keep the board and engine lines in view together. Study chess openings · Premium Use the Silicio Computer Book opening explorer to examine continuations from each position. You can also search the available game databases by position. The opening book and game searches require an internet connection. Train your visualization and memory Practice your reflexes with the free training mode. With Premium, practice blindfold, remember where the pieces belong and reconstruct positions to exercise your board visualization. Create and share your ideas Share PGN, FEN and simple board images. With Premium, export move sequences as GIF or MP4, create A5 PDF analysis sheets and dictate moves to build a PGN. Dictation depends on Android's speech service and may need an internet connection. Free tools, also available offline The board, PGN/FEN reading and editing, position editor, local library, annotations, simple board images and reflex training do not require an account. You can use these features offline. Advanced features require Premium or an active trial. Try Premium for 24 hours Sign in with Google and activate the trial when you choose to begin. No card is required, and it does not automatically become a subscription. When it ends, you keep your files and all the free tools. Monthly or annual subscription Purchase through Google Play without creating a password or confirming an email. The price and currency are shown before you confirm. The subscription renews automatically unless you cancel it in Google Play. To restore Premium after reinstalling or changing devices, use the same purchasing account in Play Store and tap Restore purchases. For phones and tablets, in English and Spanish The interface adapts to your screen. In Spanish, Silicon Chess is called Ajedrez de Silicio. Your games and comments keep their original content. Your account and cloud file services require an internet connection. Android subscriptions are separate from website purchases. If your Academy account has an active Android benefit, you can link it from the app to access Premium on up to two devices, with online verification.