Stephen said he had tried to take part in the tournament every year and this year persuaded the others, whom he has been teaching, to take part.
Margaret said it is one the biggest tournaments she has been involved in in her 30-odd years of playing bridge.
The tournament is a popular one with around 50 players taking part, from Dannevirke, Waipukurau and Palmerston North.
In another first for the club there will be six members of the Orsborn family taking part. Margaret and husband Harold will be joined by Timothy, Megan, Emily and Paul.
Margaret said the club had been well supported by local business with sponsorship for prizes.
"Normally at a tournament there is a monetary prize for first, second and third. But we have around 40 prizes to give out."
Cancer Society funds will be further boosted by money raised from raffles.
Dannevirke Cancer Support Group members will be providing sandwiches for afternoon tea.
The club has kept up with technology changes in bridges and for the last three months has been using a dealing machine which dramatically speeds up the time it takes to deal a hand of cards. It will also be using a computer for scoring games.
The tournament will be held in the bridge club rooms on High St, starting at 2pm.