(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
MULTIGOGM[1]
;B[pd]
;W[dp]
;B[pq]
;W[dd]
;B[qk]
;W[nc]
;B[pf]
;W[pb]
;B[qc]
;W[kc]
;B[fq]
;W[cn]
;B[cf]
;W[fd]
;B[dj]
;W[hq]
;B[np]
;W[eq]
;B[jq]
;W[fp]
;B[ok]C[This position arises often after the Chinese Opening. ]
(;W[qq]LB[qq:A]C[A is a good idea, to create aji on the right side]
(;W[qq]
;B[qp]
;W[pp]
;B[po]
;W[rp]
;B[op]LB[qo:B][qr:A]C[White created some aji, he can live with A later or make a Ko with B later. ]
(;W[qr]
;B[ro]
;W[sq]C[White lives in the corner.])
(;W[qo]C[White can also make a ko.]))
(;B[qr]LB[qr:A]C[Black can try to kill with A. But it is very dangerous move.]
;W[pp]
;B[oq]LB[qo:B][rr:A]C[White continues at A or B.]
(;W[rr]
;B[rq]
;W[qp]
;B[rs]
;W[qm]C[White can get a base very easily and live with this sequence. But sometimes, when black is stronger around, black can play this way and try to capture white.])
(;W[qo]
;B[rq]
;W[rp]LB[rr:A]C[White can make a Ko.  If black needs to come back at A, white has succeeded])))
(;W[ql]LB[rk:D][pl:A][rl:C][qn:B]C[A very good move.`
Black can consider A to Ds. ]
(;B[rl]
;B[rl]
;W[pl]
;B[pk]
;W[rm]
;B[rk]
;W[qp]
;B[qq]
;W[rq]
;B[rr]
;W[ro]C[White can live very easily.])
(;B[rk]
;W[pl]
;B[pk]
;W[qp]
;B[qq]
;W[rq]
;B[rr]LB[nm:A][nn:B][ro:C]C[After these exchanges White can go out at A or B. White can also make a Ko with C. ])
(;B[qn]
;W[qj]LB[qj:1][pk:A][rk:B]C[Black's attachment at 1 is a very nice move. This move is aming to cut at A or to connect at B.]
;B[pk]
;W[rk]
(;B[rj]
;W[ri]
;B[rl]
;W[sj]
;B[rm]
;W[rf]C[White lives well and destroyed Black's side.])
(;B[rl]
;W[rm]
;B[rj]
;W[sl]
;B[ri]
;W[rn]C[Good for white.]))
(;B[pl]
;W[qm]
(;B[rk]
;W[qq]
;B[qp]
;W[rp]
;B[qr]
;W[rq]
;B[qo]
;W[rr]
;B[pr]
;W[ro]
;B[qn]
;W[rn]
;B[pm]
;W[sm]C[White destroys whole Black's side side and corner. 
])
(;B[qo]
;W[rk]
;B[qj]
;W[ro]
;B[rn]
;W[qn]
;B[rp]
;W[po]
;B[qp]
;W[rm]
;B[so]
;W[rj]
;B[ri]
;W[om]LB[qi:A]C[The strongest black answer and what follows is complicated fighting. It is very hard to surround white because black has a weak-point at A. But black can attack a bit.]))))