(;SZ[19]AW[qb]AW[qc]AW[rc]AW[pc]AW[pd]AW[pe]AW[ob]AB[nb]AB[nc]AB[od]AB[of]AB[pf]AB[qf]AB[qd]AB[rd]AB[sc]AB[rb]C[Problem VI.1 from The Game of Go by Arthur Smith.]FF[1]GM[1]AP[Jago:Version 4.6]GN[vi]
(;W[sb];B[sa]
(;W[qa];B[sb]
(;W[ra];B[sd];W[qe]C[But if black was any wiser she wouldn't try to save the two stones though...RIGHT])
(;W[qe]C[RIGHT]))
(;W[qe];B[re]
(;W[qa];B[rg];W[ra]C[RIGHT])
(;W[rf];B[rg]
(;W[qa];B[sf];W[ra]C[RIGHT];B[sd];W[sb]C[Backwards approach...RIGHT])
(;W[sd];B[se];W[qa];B[sf];W[ra];B[sd];W[sb]C[Backwards approach...RIGHT])
(;W[se];B[sf];W[qa];B[sb];W[ra];B[sd]))))
(;W[qa];B[sb])
(;W[ra];B[sb];W[pa]C[Nuh uh, not that simple. R19 is false.])
(;W[pa]C[Not enough space to make eyes here, Buster.])
(;W[qe]
(;B[re]
(;W[rf];B[rg]
(;W[sd];B[se];W[sb];B[sa];W[qa];B[sf];W[ra];B[sd]C[Backwards approach...RIGHT];W[sb]C[Backwards approach...RIGHT])
(;W[sb];B[sa]
(;W[qa];B[sf];W[ra];B[sd];W[sb]C[Backwards approach...RIGHT])
(;W[sd];B[se];W[qa];B[sf];W[ra];B[sd];W[sb]C[Backwards approach...RIGHT])
(;W[se];B[sf];W[qa];B[sb];W[ra];B[sd]))
(;W[se];B[sf];W[sb];B[sa];W[qa];B[sb];W[ra];B[sd]))
(;W[sb];B[sa]
(;W[qa];B[rg];W[ra]C[RIGHT])
(;W[rf];B[rg]
(;W[qa];B[sf];W[ra]C[RIGHT];B[sd];W[sb]C[Backwards approach...RIGHT])
(;W[sd]C[RIGHT];B[se];W[qa];B[sf];W[ra];B[sd];W[sb]C[Backwards approach...RIGHT])
(;W[se];B[sf];W[qa];B[sb];W[ra];B[sd])))
(;W[sd];B[se];W[sb];B[sa];W[qa]C[RIGHT]))
(;B[rf]C[Black might also try this.]
(;W[re];B[se]
(;W[sb];B[sa]
(;W[qa];B[sb]
(;W[ra]C[RIGHT])
(;W[sd];B[rd]))
(;W[sd];B[rd])
(;W[ra];B[qa]
(;W[pa];B[sb]
(;W[ra]C[Ko])
(;W[sd];B[rd]))
(;W[sd];B[rd]))
(;W[pa];B[sb]
(;W[ra];B[qa]C[Ko])
(;W[sd];B[rd])))
(;W[sd];B[rd];W[qa];B[sd];W[sb];B[sa];W[ra];B[sb])
(;W[qa];B[sd];W[sb];B[sa];W[ra])
(;W[ra];B[sb]))
(;W[qa];B[sb];W[re];B[se]
(;W[sd];B[rd])
(;W[ra];B[sd]))
(;W[ra];B[sb]
(;W[re];B[se])
(;W[se];B[re]))
(;W[sd];B[se]))))