WJPBC - Polish Club (Polish Bridge Club version)
Due to the large number of polish club WJ versions, the program code for polish club WJ is based mainly on the system recommended in the PBC Club by Grażyna Kościelny.
- 1♣ opening:
- 11-14 HPC, no five major, no six clubs and no five clubs with a side four;
- 11-17 HPC, 4-4-1-4 with singleton ♢;
- 15-17 HPC, 5+♣ balanced;
- 18+ HPC, any hand,
- 1♢ opening:
- 11-17 HPC, 5+♢;
- 11-17 HPC, 4-4-4-1 with singleton ♣;
- 11-14 HPC, 4♢ i 5♣.