
(;GM[1]BS[0]WS[1]BL[1800.0]WL[1800.0]SZ[19]C[British Go Journal 123
Go Tutor - An Amateur Opening
By Charles Matthews
]FF[3];B[qd]C[Main line is Figure 1.];W[dp];B[pq];W[dd]
(;B[od]C[Variation is Diagram 1.];W[po];B[qm]
(;W[on]C[Variation includes Diagrams 2 to 5.];B[om];W[nm];B[pm];W[nl];B[qo];W[pp];B[qp];W[oq];B[pr]
;W[dj]
(;B[fc]C[Variation is Diagram 6.];W[hc]
(;B[fe]C[Variation is Diagram 7.];W[df])
(;B[cc]C[Diagram 7 starts here.];W[cd];B[dc];W[ed];B[bc];W[fd];B[fb];W[bd]))
(;B[nn]C[Diagram 6 starts here.];W[mn];B[no];W[mo];B[np];W[mp];B[nq];W[mq];B[nr]))
(;W[qq]C[Diagram 2 starts here.]
(;B[qr]C[Variation is Diagram 3 and also branches into Diagrams 4 and 5.];W[qp];B[or];W[on];B[pj])
(;B[qp]C[Diagram 3 starts here.];W[pp];B[qo];W[qn];B[pn];W[rn];B[rq];W[qr];B[ro]
(;W[oq]C[Variation is Diagrams 4 and 5.];B[rm];W[on];B[pm])
(;W[rm]C[Diagram 4 starts here \(then continues as Diagram 5\).];B[oq];W[np];B[pm];W[ql];B[nn];W[op];B[rr];W[so]C[Diagram 5 starts here.];B[rp]
;W[nq];B[pr];W[or];B[qs];W[pl];B[ol];W[ok];B[nl];W[pj];B[kp]
;W[lo];B[lp];W[mo]))))
(;B[qo]C[Diagram 1 starts here.];W[od]))
