Other features and technical details: • Modify the board size tapping on the board or through the Settings menu. • Professional chess fonts and figurines for moves notation and annotation. • Preview of the game in the board tapping the Info button. • Quick search feature. • Advanced search feature. • Complete management of Null Moves with Tutorial. • Visualization of ECO code and Opening during game replay or game insertion. • Visualization of Book Openings during game replay or game insertion. • Portrait/Landscape mode for all devices. • Support of Slide Over and Split View mode. • Function to move up within variants and subvariants. • Online manual frequently updated. • iOS 15 compatible and optimized for all the devices. • Sharing of databases across devices via iCloud Drive (also with Chess Studio for Mac OS). • Sound option. • Support for iPad Pro Keyboard or bluetooth keyboard. • VoiceOver/Accessibility support. • Help section contains videos to show the main features of Chess Studio. • Direct contact via email with the developer to report problems, ask for explanation and suggestions (very quick answer!). • Languages: English, Italian and Spanish. These are the main features. The application is continuously updated with new features and improvements. No in-app purchasing! No registration! No advertising! No sharing of personal data! If you own an iMac or a MacBook try the new Chess Lab!