Legal strong club (Blue label, WBF) Let l=summ of two longest colors. Add l-8 points (subtract a point with 4-3-3-3). Opening 1C with 12- HCP and 1D/1H/1S with 7- HCP is forbidden by WBF. In such case open with allowed bid. In these cases open with allowed bid. SimpleClub: pass: (10-11 any 5-3-3-3) or (8-9 points, 5- any) or (7- points) 1C: 16+ or (14+, 6+ color) or (13+ HPC, rare dist), responses: 1D...2N: 0+, distribution as in the open bid, exceptions: 1D[H]: 0+, any 5-3-3-3 1N[C]: 0+, L=4-4-x-x, x-4-x-4, 4-4-0-4 Rebids after the relay: 0-6, 11+, 7-10 and distribution 1D[H]: 10-15, L=4-4-x-x, y-4-x-4 1H[S]: 10-15, L=x-4-4-x, 4-y-4-x 1S[N]: 10-15, L=4-x-x-4, y-x-4-4 1N[C]: 12-15, any 5-3-3-3 2X[+]: 8-13, 6+ X 2N[C]: 8-13, 0-4-4-4 3X[+]: 12- HCP, L-x-x-x rare dist: 6-6-0-0, 8-4-0-0, [L-x-x-x] 1N-2C: 2D - min, 5-3-3-3, 3-5-3-3 2H - 3-3-5-3 2S - 3-3-3-5 2N - max 3-5-3-3 3C - max 5-3-3-3