(;
GM[1]
SZ[19]
AW[qf][pf][of][nf][pi][qi][rn][pn][po][pp][op][oq][nq][os][ms][jr][jq][jp][jo][im][cp][dp][ci][bc][cd][dd][dc][df][no][mn]
AB[bb][cb][cc][db][fc][jd][nd][pd][qe][og][oi][oj][qj][qk][rm][cn][ck][kn][ko][kq][lp][mp][mq][np][mo][oo][on][om][pq][qq][rp][ro]
C[Problem 67. White to play.  

What should White do in this position ? ]
;W[en]
TE[2]
C[Correct Answer.  

White 1 attacks the two black stones on the left, while mapping out a moyo at the bottom left. ]
;B[ek];W[hc]
C[White next probes at 3, ... ]
;B[jc];W[ng]
C[... then reinforcing her stones on the right with 5. ]
;B[rf];W[rg];B[re];W[dl]
C[Endgame.  

Later, White can play a big endgame sequence with 9 ... ]
;B[dk];W[bm]
C[... and 11. <= ]
)
)