(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[6.50]
PW[CHH]PB[Lee Chang Ho]
;B[qd]
;W[dd]
;B[qo]
;W[dp]
;B[fq]
;W[ip]
;B[cn]
;W[fp]
;B[gp]
;W[fo]
;B[cq]
;W[eq]
;B[cp]
;W[fr]
;B[fc]
;W[od]
;B[oc]
;W[nc]
;B[pc]
;W[nd]
;B[cf]
;W[df]
;B[dg]
;W[ef]
;B[cc]
;W[ce]
;B[dc]
;W[cg]
;B[qf]LB[hc:A][jd:E][og:B][cl:D][pq:C]C[Diagram 1 Up to Black 29 The starting position. Black has quickly developed his position and is territorially ahead. White has thick positions and has to consider how best to treat the 3 stones at the top. 5 choices]
(;W[og]C[Variation B: this is the wrong direction and does not account for the whole board.]
;B[ic]C[Thisis very important and secures black territory.]
;W[pq]
;B[op]
;W[oq]
;B[np]
;W[mq]
;B[ph]C[The continuation to here is good for Black, who will be satisfied with the position of his stones.])
(;W[pq]C[Variation C: the result is similar to Variation B.]
;B[op]
;W[oq]
;B[np]
;W[mq]
;B[jd]
;W[og]
;B[ph])
(;W[cl]C[Variation D: this is too slow.]
;B[dm]
;W[dl]
;B[jd]C[Though 30 eyed Black's weak point, Black takes sente with this, which is very severe.]
(;W[ld]C[If White plays the honte (honest) move...]
;B[pq]C[ ...this exchange favours Black and Black's position is good.])
(;W[pq]C[If White rushes to take the big point first then the white stones in the upper right come under severe attack after black 39. The continuation to black 49 is unplayable for White.]
;B[op]
;W[oq]
;B[np]
;W[mq]
;B[ng]
;W[ke]
;B[je]
;W[kf]
;B[kd]
;W[ld]
;B[jf]
;W[kg]
;B[ih]
;W[ki]
;B[nj]))
(;W[jd]C[Variation E: the preceding diagrams show that White has to do something on the upper side. This is a traditional move. Unfortunately it doesn't have much impact on the black positions, so Black is able to play the big point 2 and is satisfied with the exchange of 3 for 4.]
;B[pq]
;W[mq]
;B[ck])
(;W[hc]C[Variation A: successful block. White 30 aims at the weakness in the black position. Black does not have the time to counter-pincer at 2 as the resulting attack on the black stones 33-36 is very severe.]
(;B[kd]
;W[he]
(;B[kf]
;W[eb]
;B[ec]
;W[fb])
(;B[gd]C[Black's emergency measures. Black 33 can protect the corner with the 1-2 exchange but this makes the white stones stronger, and the subsequent 34, 36, 38 give White good shape. The three black stones in the centre will be a burden for Black. ]
;W[hd]
;B[kf]
;W[ng]
;B[kh]
;W[pg]
;B[qg]
;W[ph]))
(;B[gd]
;W[hd]
(;B[ge]C[This gives White the opportunity to get to the lower side first and expand the moyo up to white 40.]
;W[op]
;B[pq]
;W[oq]
;B[pp]
;W[oo]
;B[pn]
;W[nm]
;B[kd]C[ This can be considered but the continuation to white 48 settles White's position and leaves Black with a weakness at A (see end of sequence).]
;W[he]
;B[kf]
;W[hf]
;B[ng]
;W[le]
;B[ke]
;W[kb]LB[mg:A])
(;B[pq]C[The actual game. Up to 50, White expands the upper side. The result was that Black won the game by 4.5 points after 194 moves. ]
;W[og]
;B[ge]
;W[if]
;B[gg]
;W[nq]
;B[ch]
;W[bf]
;B[bg]
;W[eg]
;B[cf]
;W[ei]
;B[dj]
;W[cg]
;B[dh]
;W[eh]
;B[dk]
;W[gi]))))
