Chess Interaction (IMAGE) Bielefeld University Caption Using special glasses, the project Ceege tracks the chess player's eye movements. Most players keep their eye on the key chess pieces. Credit Photo: CITEC/Bielefeld University Usage Restrictions The image may only be used with appropriate caption or credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.