(;GM[1]BS[0]WS[0]BL[1800.0]WL[1800.0]SZ[19]AB[pc][oc][qd][qf][pp][op][pm][cp][co][dn][cj][cd][ec]AW[od][nc][md][ic][bq][cq][dp][ep][jq][qq][pq][ro]C[British Go Journal 124Go Tutor - Middlegame ThinkingBy Charles MatthewsThe main line is Figure 2, which is the actual professional game.The variation is Diagram 2.]PL[W]FF[3](;W[bd];B[ce];W[be];B[bc];W[cf];B[oq];W[hp];B[ch];W[cg];B[dh];W[ef];B[gc];W[ie];B[gf];W[fg];B[if];W[je];B[he];W[fi];B[jf];W[ke];B[gh];W[fh];B[hj];W[fk];B[gj];W[fj];B[dl];W[hl];B[rm])(;W[cl];B[dl];W[ck];B[dk];W[bj];B[ci];W[cm];B[dm];W[bi];B[bh];W[bn];B[bo];W[bl]))