Chess Expert app for iPhone and iPad

Play the game of Chess against computer or browse through and watch more than 220,000 games played by professional Chess players ranked Master or Grandmaster.

Features
- 3D game environment
- Chess engine, able to be configured to play at 20 different skill levels ( level 20 is estimated to be in range of 2300 Elo rating )
- Tile colorings for valid moves, last enemy move, castle, enpassant and promotion
- Select pieces by touching or using a ray for easier selection of pieces on smaller screens
- Play against another player in Head to Head mode
- Customize the looks of the game environment by choosing between different Chess boards, piece sets or background colors
- Save your unfinished games to finish them later
- Search through a database of more than 220,000 games played by professional Chess players worldwide from year 1748 to 2013 ( Please note that this feature requires an active internet connection)
- Refine your search results by specifying player names, Elo range for white and black side, date range, ECO or number of turns in a game
- Sort search results
- Play, pause, go backward or forward or change the speed of game replay