London, March 28 (Inditop.com) Singer-actress Jessica Simpson and her speculated beau Billy Corgan are reportedly obsessed with playing chess against one another.

Simpson, who refused to confirm reports that she was dating Corgan, has become addicted to the board game after he taught her how to play it and now they like to take on each other on a regular basis, reports gossipblender.com.

“He taught her how to play (chess) and was surprised at how quickly she got the hang of it, but she is yet to beat him,” a source said.

Corgan has also been teaching Simpson to play the guitar. “Billy likes to share his hobbies with his friends,” the source said.

The 43-year-old rocker recently revealed that he “loves” the 29-year-old beauty but refused to be drawn into gossip that they were dating.