David Tscherne is a retired teacher and pastor. He learned how to play bridge at age 10 from his grandparents, Deloy and Hazel Peters. He teaches bridge in Yuma AZ at a 55+ active ...view moreDavid Tscherne is a retired teacher and pastor. He learned how to play bridge at age 10 from his grandparents, Deloy and Hazel Peters. He teaches bridge in Yuma AZ at a 55+ active senior community. After seeing the difficulty that some seniors have in learning and memorizing complex bridge bids, he decided to rework Mini Bridge for children into Express Bridge for adults. He has been teaching it to seniors in addition to standard bridge with good results.view less