(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]

(;B[pd]
(;AE[pd]AW[oa][pa][ib][jb][lb][pb][dc][ec][gc][hc][oc][pc][qc][jd][md][od][he][je][me][pe][kf][mf][of][lg][og][lh][nh][ph][rh][li][pi][qi][oj][cq]AB[la][na][kb][nb][ob][qb][rb][ic][jc][mc][nc][rc][ed][fd][id][kd][ld][qd][ce][le][qe][lf][pf][kg][mg][pg][qg][rg][mh][oh][qh][mi][mj][pq]LB[mj:1][oj:2]SQ[kd][ld]C[Black just exchanged black 1 for white 2.
The focus is on the weak marked group. It does not have two eyes yet.
Black will fight and try to escape, but before doing so he can play a good test move.]
;W[]
(;B[jg]LB[ie:A][kj:B]C[Looks like good shape, it makes miai of A and B]
;W[lj]
(;B[ie]
;W[mk]C[However white is happy with this hane])
(;B[mk]C[When black answers here..]
;W[ie]C[Black has to make life.]
;B[mb]LB[kg:1][mk:2]C[Black still has two weak strings of stones]))
(;B[jf]C[Black could escape like this]
;W[ie]
;B[ke]
;W[lj]LB[jf:1][mj:2]C[When white pushes here black is still not 100% alive.
Black has to take care of two groups.]
;B[fc]C[There is some aji here, but it does not work, black is too late]
;W[fb]
;B[gb]
(;W[hb]C[When white connects at this side, black is happy]
;B[eb]
;W[ga]
;B[cc]C[This becomes big. ])
(;W[eb]LB[kc:B][hd:A]C[However, white can connect on this side.
Black would like to cut at A, but A is always sente for white. Black needs to come back at B.
]
;B[cc]C[This is not sente anymore.]
;W[dd]C[White can even push through here.]))
(;B[gb]C[The test move!]
(;W[hb]
;B[jf]
;W[ie]
;B[ke]C[We get the same result as in the first variation, however there is one important difference.]
;W[]C[Later..]
;B[fc]C[Black gains the 3-3 point in sente]
;W[fb]
;B[eb]
;W[ga]
;B[cc]C[This is sente now])
(;W[fb]C[White can not answer on this side.]
;B[hb]
;W[ha]
;B[hd]
;W[gd]
;B[ge]
;W[fc]
;B[ie]C[White has been cut of.])))
(;AE[pd]AW[bb][bc][hc][kc][cd][ce][he][bf][qk][rk][pl][rl][pm][pn][ro][bp][dp][lp][pp][qp][fq][mq]AB[cc][dc][fc][nc][qd][cf][df][bg][ci][pj][qj][pk][dl][ql][cn][oo][op][rp][oq][qq][sq][qr][rr]LB[bb:3][ed:A][bf:1][bg:2]SQ[cc][dc][fc]C[White tries to live in the corner with 1 to 3.
The marked stones are a bit weak.There is aji at A.
]
;W[]
(;B[be]C[When black simply tries to kill]
;W[bd]
;B[af]
;W[ed]C[White can fight])
(;B[ee]C[Black needs to defend from this side]
;W[be]
;B[id]C[However this peep comes too late.]
;W[ic]C[White will respond here]
;B[hd]C[A kind of middle game joseki follows, but in this case it is good for white.]
;W[gd]
;B[gc]
;W[je]
;B[jd]
;W[kd]
;B[ge]
;W[ie]
;B[fd]
;W[jc]
;B[gd]
;W[lf]LB[ee:A]C[Black becomes overconcentrated and the original move at A became useless.])
(;B[id]C[Good timing!]
(;W[ic]C[When white now squeezes black again]
;B[hd]
;W[gd]
;B[gc]
;W[je]
;B[ge]
(;W[ie]C[Not good at this moment]
;B[fd]
;W[jd]
;B[be]C[Black captures])
(;W[fd]C[Also white can not move out, although it's a bit better for white than the previous variation]
;B[ed]
;W[fe]
;B[ee]
;W[ff]
;B[be]C[Black kills white]))
(;W[hd]C[So.. White has to block from this side now!]
;B[ee]C[And black needs to defend]
;W[be]C[After white lives..]
;B[jb]C[Black has aji here]
;W[kb]
;B[ib]
;W[jd]
;B[hb]
;W[ie]
;B[ld]C[Black attacks white and is in a good mood!])))
(;AW[dc][ec][lc][nc][oc][cd][md][le][ne][cf][kf][qf][qg][qh][mi][ni][oi][pi][qi][rj][mk][ll][dn][en][eo][dp][ep][mp][cq][dq][jq][br]AB[fc][jc][pc][ed][fd][od][qd][je][oe][nf][of][rf][lg][rg][nh][ph][rh][ok][qk][ml][dm][mm][qm][cn][co][do][po][cp][pp][bq][pq][ar][cr]LB[oe:2][kf:1]C[This is from a game between Yamashiro Hiroshi (white) and Kobayashi Koichi (black), played in the 1992 kisei tournament.

White exchanges 1 for 2]
(;W[jf]LB[md:A]C[White might think about moving out, but black will get territory.
And white's group at A is already quite strong, white does not need to move out further.]
;B[if]
;W[ig]
;B[hf]C[Black gains solid territory])
(;W[hc]C[The test move.]
(;B[he]C[When black plays here]
;W[hb]LB[fb:A][jb:B]C[This descend makes miai.])
(;B[id]LB[jb:A]C[This prevents the connection underneath at A]
;W[ge]C[However white can make black overconcentrated]
(;B[hd]C[Looks normal, but white can link up]
;W[gc]
;B[gd]
;W[fb]C[black has a floating group])
(;B[gd]C[This was played in the game]
;W[kb]
;B[jb]
;W[fb]
;B[gb]
;W[hb]
;B[eb]
;W[ha]LB[fa:A][ja:B]C[This descend makes miai of A and B])))))
(;B[pd]C[This the from the last example between Yamashiro Hiroshi (white) and Kobayashi Koichi (black), played in the 1992 kisei tournament.
]
;W[dp]
;B[pq]
;W[cd]
;B[ed]
;W[ec]
;B[fc]
;W[dc]
;B[fd]
;W[cf]
;B[jc]
;W[qf]
;B[qd]
;W[qi]
;B[qk]
;W[lc]
;B[je]
;W[oc]
;B[od]
;W[nc]
;B[pc]
;W[le]
;B[of]
;W[oi]
;B[ok]
;W[mi]
;B[po]
;W[jq]
;B[nh]
;W[ni]
;B[lg]C[Black attack white]
;W[ne]C[After the peep..]
;B[nf]
;W[md]C[White played a move that was praised by commentators.
It looks slow but makes white strong and resilient.]
;B[ph]
;W[pi]
;B[rg]
;W[mk]
;B[cn]
;W[dn]
;B[do]
;W[eo]
;B[co]
;W[ep]
;B[cp]
;W[cq]
;B[dm]
;W[en]
;B[bq]
;W[br]
;B[cr]
;W[dq]
;B[ar]
;W[mp]
;B[ml]
;W[ll]
;B[mm]
;W[qp]
;B[pp]
;W[rj]
;B[qm]
;W[qg]
;B[rh]
;W[qh]
;B[rf]
;W[kf]
;B[oe]
;W[hc]
;B[id]
;W[ge]
;B[gd]
;W[kb]
;B[jb]
;W[nk]
;B[lm]
;W[nl]
;B[nm]
;W[ol]
;B[kl]
;W[lk]
;B[jo]
;W[mr]
;B[lq]
;W[lp]
;B[iq]
;W[ip]
;B[kq]
;W[jp]
;B[kp]
;W[ko]
;B[lo]
;W[kr]
;B[kn]
;W[lr]
;B[bs]
;W[qq]
;B[pr]
;W[rn]
;B[qn]
;W[ro]
;B[rr]
;W[sk]
;B[fq]
;W[hq]
;B[gp]
;W[go]
;B[ho]
;W[hp]
;B[er]
;W[fl]
;B[io]
;W[dk]
;B[ek]
;W[el]
;B[dl]
;W[ck]
;B[ej]
;W[gk]
;B[ci]
;W[bi]
;B[bh]
;W[ch]
;B[di]
;W[bg]
;B[bj]
;W[bk]
;B[bl]
;W[ah]
;B[aj]
;W[fb]
;B[gb]
;W[hb]
;B[ga]
;W[eb]
;B[gc]
;W[dr]
;B[ds]
;W[gr]
;B[fp]
;W[fi]
;B[he]
;W[qr]
;B[qs]
;W[rq]
;B[rm]
;W[sm]
;B[hi]
;W[ei]
;B[dj]
;W[dh]
;B[hl]
;W[gn]
;B[mb]
;W[pb]
;B[qb]
;W[kg]
;B[kh]
;W[jh]
;B[ji]
;W[nb]
;B[pa]
;W[oa]
;B[ob]
;W[lh]
;B[na]
;W[ki]
;B[lb]
;W[kc]
;B[ka]
;W[jl]
;B[rl]
;W[jm]
;B[sl]
;W[rs]
;B[ss]
;W[sr]
;B[sq]
;W[sp]
;B[np]
;W[mq]
;B[mo]
;W[hf]
;B[if]
;W[hg]
;B[sn]
;W[sr]
;B[im]
;W[rs]
;B[hk]
;W[fj]
;B[ak]
;W[hd]
;B[ie]
;W[fe]
;B[ee]
;W[ef]
;B[jk]
;W[de]
;B[ha]
;W[kk]
;B[km]
;W[jj]
;B[ik]
;W[ii]
;B[hh]
;W[ig]
;B[ij]
;W[gh]
;B[ko]
;W[fr]
;B[eq]
;W[om]
;B[on]
;W[pk]
;B[lf]
;W[ke]
;B[oh]
;W[fs]
;B[es]
;W[fk]
;B[cj]
;W[hm]
;B[hn]
;W[gm]
;B[nd]
;W[mc]
;B[me]
;W[or]
;B[oq]
;W[nr]
;B[ps]
;W[mg]
;B[mf]
;W[mh]
;B[qe]
;W[pm]
;B[gq]
;W[hr]
;B[nq]
;W[fa]
;B[ia]
;W[qj]
;B[ri]
;W[ih]
;B[hj]
;W[fo]
;B[cs]
;W[em]
;B[os]
;W[ns]
;B[kd]
;W[ld]
;B[jd]
;W[si]
;B[sh]
;W[jf]
;B[sj]
;W[rk]
;B[ql]
;W[pl]
;B[pf]
;W[ai]
;B[cl]
;W[si]))
