(;SZ[6]AW[ff]AW[fe]AW[ed]AW[de]AW[df]AB[cf]AB[ce]AB[ef]AB[fd]AB[fc]AB[ec]AW[bf]AW[be]AW[eb]AW[fb]AB[af]AB[ae]AB[ea]AB[fa]AB[da]AB[ca]AB[ba]AB[ad]AB[ac]AB[ab]AW[bd]AW[bc]AW[db]AW[cb]AB[cc]C[Chinese rules. Black to win.FORCE]AP[goproblems]
(;B[cd]C[FORCE]
(;W[dc]C[FORCE];B[bb]C[FORCE];W[dd]C[RIGHT])
(;W[dd]C[FORCE];B[bb]C[FORCE];W[dc]C[RIGHT]))
(;B[dc]C[FORCE]
(;W[cd]C[FORCE];B[bb]C[FORCE];W[dd]C[RIGHT])
(;W[dd]C[FORCE];B[bb]C[FORCE];W[cd]C[RIGHT]))
(;B[bb]C[FORCE];W[aa])
(;B[dd]C[FORCE]
(;W[cd]C[FORCE];B[ee]C[FORCE];W[dc])
(;W[dc]C[FORCE];B[bb]C[FORCE];W[cd]))
(;B[ee]C[FORCE];W[cd]C[FORCE]
(;B[dd]C[FORCE];W[dc])
(;B[dc]C[FORCE];W[bb])
(;B[bb]C[FORCE];W[dc]C[FORCE];B[dd])))