(;GM[1]FF[4]AP[gokifu.com]SO[http://gokifu.com]CA[UTF-8]ST[1]SZ[19]PW[Itsuzo Shioiri, 5-dan.]WR[5-dan]PB[A GO Review subscriber.]AB[pd]C[Detailed Commentary of Six-stone Handicap GameWhite: Itsuzo Shioiri, 5-dan.Black: A GO Review subscriber.Komi: None.Black wins by 4 points.Source: Go Monthly Review April 1961 pp. 6-20.Commentary by Shimpei Aoki.Recorded by Chris Greene using GoScribe 2.0];W[cn];B[fp];W[nc];B[pf];W[dg];B[fd];W[fj](;B[oc]LB[eh:a][em:b]C[It is possible for Black to start action along the left side immediatelyfollowing White's capping play of 7.  Some of the possibilities are `a' and`b.'Black, however, intends to limit his advance to the left side, after makingsure of how White will respond to his attack made on White 3.];W[nd];B[jd]C[Black 8 and 10 not only test White's response, but are also an excellentcombination of moves to expand along both the upper and right sides.];W[hq]C[White, leaving the solution of the matter along the upper side until lateron, plays 11 in an effort to sound out Black's reaction.In other words, White 11 conforms with his intentions in regard to thesituation unfolding along the left side.](;B[go]LB[kq:a]C[Black 12, although a steady play, is not without a tinge of slackness.Here, `a' is more commonly employed.];W[em];B[co];W[bn]LB[dj:t]C[Black 14 is a mistake.Not only should he not have played it in haste, but the exchange for White15 merely helps weaken his t handicap stone on the left side.](;B[jq]LB[kq:a]C[Black's line of attack in attacking White's one stone on both flanks alongthe lower side is quite proper.However, he had better move his 16 one point to the right.];W[ho];B[hn];W[io];B[ko]C[Black 20.Black 16 and 20 are wanting in stability and their shape leaves something tobe desired.];W[in];B[hm];W[im];B[hl];W[fr](;B[fk]LB[eq:a]C[White probes Black's reaction with 25.Black, though there is much to be said for his agressive attitude of 26,could remain content with `a' in reply to White 25.];W[ek];B[ej];W[gk];B[fl];W[el];B[fm];W[eo]C[The sequence from White 27 to 33 is passable for both sides.](;B[fq]LB[ep:a]C[Instead of 34, Black had better simply answer with `a.'];W[fn];B[gn];W[ep];B[eq];W[dq]LB[co:t][dp:t]C[Black 34 has merely forced White to play 37 and 39 to cut his two stones.];B[cq];W[dr];B[er];W[cr](;B[gr]LB[hr:a]C[Black 44 departs from the vital point of `a.'];W[hr]C[After White 45, which grips the vital point, the weakness in defense inBlack's position between the lower side and the bottom right corner has beenmade manifest.];B[fi];W[gj];B[ik]C[Black must play 48 in order to escape.It is to be noted, however, that White's groups are steadily pursued byBlack as Black moves toward the center.In short, Black has a bright future before him.];W[gi];B[fh];W[km](;B[ce]LB[ii:a]C[What a dull and easy-going play Black 52 is!When the situation has become tense around the center, this move must beturned down as being wholly out of place.Black `a' is much better.By the way, the bottom left corner, far from being unconditional, leavessufficient room for Black to draw up a plan which stands a good chance ofsuccess.];W[ii];B[kk];W[mm];B[mk](;W[lq]LB[mp:a]C[White 57 was a doubtful move.He had better play at `a.'];B[mp];W[lp];B[lo];W[mo](;B[mq]LB[np:a]C[Although Black successfully frustrated White's ill-advised plan with 58,Black 62 is mistake: as a reply to White 59 and 61 it is extremelyconservative.He should have offered a stout resistance by playing `a,' whereby White 57and 59 are doomed as they stand.];W[mr];B[nr];W[lr];B[np];W[no];B[oo];W[oq];B[op](;W[om]LB[bq:a]C[The sequence to White 71 has proved a complete failure for Black who wasforced to give up his three stones.If instead, White  secures the bottom left corner, Black is sure to pounceat the chance to make a counter-attack.](;B[br]LB[do:X]C[Black, however, has succeeded in carrying out his original aim in the bottomleft corner when he, in his turn to play 72, confronted White with a kochallenge.The fact is that White could not afford to secure the same corner (byplaying `X'), though he was quite eager to do so.];W[bq];B[bp];W[cp]C[White 75.Captures.];B[kp];W[ks];B[cq]LB[cp:75]C[Black 78.Takes ko.];W[gl];B[gm];W[cp]LB[cq:78]C[White 81.Takes ko.];B[jr];W[js];B[cq]LB[cp:81]C[Black 84.Takes ko.];W[or];B[aq]LB[cq:84]C[There is nothing in particular to comment upon in the exchange of ko-threatsand replies.The ko battle has ended in success for Black.](;W[qq]LB[qm:a]C[White was quite narrow-minded when he played 87, even if it brought himsubstantial gain in the corner.It should be replaced by `a.'];B[pm];W[pl];B[ol](;W[ok]LB[nl:a]C[Black 88 and 90 catch White off guard.White has no choice but to respond with 91.Should he instead decide to make a show of resistance by playing at `a,' thesituation would become all the more aggravating for him.];B[nl];W[nm];B[qm];W[pk];B[qp];W[rq];B[rk]C[Black 98 is above all to be admired as a move suited to the occasion.Black posesses a decided advantage.];W[do];B[cp];W[cj]C[It must be difficult for White to try to find a way out of danger by playing101.](;B[dk]LB[ci:a]C[Black 102 would be better at `a.'];W[ck](;B[dl]LB[ci:a]C[Black 104.Black would still be better off playing at `a.'];W[ci];B[cm];W[bm];B[dn]LB[ek:t][el:t][em:t][fn:t][do:t][eo:t][ep:t][dg:X]C[Black has been blinded, it may be said, by a small immediate gain as heplayed 104, 106, and 108 to capture White's seven t stones - sheer dregsthat have nothing to do with the general situation.Not only does White have nothing to worry about along the left side, but hisone stone that was deserted (at `X') has been connected, and can be expectedto exert itself agressively somehow or other in the future.];W[qj](;B[pi]LB[qk:a]C[Black 110 is a heavy reply to White 109.Instead he should cut at `a.'](;W[rl]LB[qk:a]C[White will be in trouble if he plays at `a.'];B[ql];W[qk]C[White 111 and 113 are tesuji.];B[rm];W[rj];B[sl];W[qh];B[ph];W[qg];B[pg];W[re];B[qe];W[rf]LB[rl:11]C[One should be able to see that that White has been able to take a stopgapmeasure, through the sequence up to his 123, due only to the poor move ofBlack 110.];B[rd];W[qc];B[pb];W[rc];B[qd];W[sd](;B[nj]LB[qb:a]C[Black 130 was an awfully slack move.It is only right and proper for Black to play at the point of `a' instead.];W[qb];B[lc];W[nb](;B[pc]LB[ob:a]C[Black 134 must be at `a.'The difference, though apparently trivial at present, is a big one at alater stage.];W[mf](;B[ng]LB[jh:a][fj:t][gl:t][gk:t][gj:t][gi:t][ii:t][nd:t][nc:t][nb:t]C[Black `a' instead would doom both of White's groups.];W[mg];B[nf];W[me](;B[ki]LB[jh:a]C[Black 140.Instead, Black could also play at `a.'Somehow, he lacked a spirit of agressiveness in playing 136 to 140.];W[jf];B[ie];W[if];B[he];W[mi];B[mj];W[jj];B[jk];W[ni];B[oj];W[gh];B[fg];W[cc]C[Thanks to a series of dull plays by Black, White, who was favored by a brieflull around the center, has been empowered to invade the upper left corner,for the last cast of the die.];B[dc];W[db];B[eb](;W[bb]LB[bd:a]C[You may well wonder why White has failed to challenge Black to a ko fightstarting with `a.'];B[bd];W[fb];B[ea];W[bf]C[White is content with 161, which works upon the corner from the outsidewhile defending the left side.](;B[df]LB[bc:a]C[Black 162 was his last slack play.It is simply mysterious why he failed to play at `a.'Maybe Black was overprudent, being as he is, far in the lead.];W[bc];B[cg];W[bg];B[cf];W[be];B[cd];W[ad];B[kj];W[kh];B[hg]C[Black 172.];W[jh];B[hh];W[hi];B[ld];W[lb];B[kb];W[na];B[pa](;W[la]LB[pc:t]C[Lastly, the White group which has managed to secure a life along the uppersidewith 181, would have been placed into a difficult position, only ifBlack was free from the slip of 134 (at t).];B[ka];W[mc];B[da];W[cb];B[rp]C[Black is bound to win the game by no small margin after he has played 186.Moves after 186 omitted.Black wins by 4 points.])(;AB[ob]AW[la]LB[ob:t]C[Black t should have been here.]))(;B[bc]C[Black 1 here deals the final blow to White's group.]))(;W[bd]C[White can play here...];B[be];W[bb];B[da];W[ca]LB[bn:t][bm:t][cn:t][ck:t][cj:t][ci:t][dg:t]C[...but the fact is that the chances are simply against White.It is also to be noted that White's t group along the left side cannothelp but be hit hard by Black 2.]))(;B[jh]LB[fj:t][gl:t][gk:t][gj:t][gi:t][ii:t][mg:t][mf:t][me:t][nd:t][nc:t][nb:t]C[This still splits the two White groups.]))(;B[jh]C[Black 1 prevents the two White groups from connecting.]))(;B[ob]C[This would be better.]))(;B[qb]C[After Black 1, will the White group be safe from an impending death?](;W[qi]LB[sh:a][rh:b][nj:c]C[White `a' leads to a ko.White `b' saves only part of his group.White `c' is uncertain.If White answers here...];B[rh];W[se]LB[sg:X][si:Y]C[...the answer obviously is no.What should Black's next move be?He has but to play either `X' or `Y,' irrespective of order.The rest may be left for you to decide.])(;W[nj]C[Is White certain as to what he is heading into?One feels anxious as to how he will end up.])))(;W[qk]C[If White connects here...];B[rl]C[...Black 2 drives the White group against the wall.White 1 is another heavy play, which should be borne in mind.]))(;B[qk]LB[pi:X]C[It is better to cut since White's shi-cho (ladder) play at X does notmaterialize.]))(;B[ci]LB[dg:t]C[Black 1 isolates the White t stone.];W[bi];B[ch];W[bh];B[cg]C[A shadow of uneasiness will be found lingering on White's group along theleft side.]))(;B[ci]C[Black 1 attacks while defending.];W[bi];B[ck];W[bj];B[dk];W[bk];B[ch]LB[cm:X]C[One can see how Black aims at the vital point of `X,' threatening White'sgroup.]))(;W[nl]LB[ol:t]C[If White ataris here...];B[ok];W[pn];B[on]LB[mo:t][no:t]C[...at the very least, Black will rescue his group in the lower right.Black 4 threatens White's two t stones.You are required to confirm by what progress everything will turn toBlack's profit.]))(;W[qm]C[Confronted with White 1, it will be no easy task for Black to securesafety in the corner.]))(;AW[do]LB[do:X]C[White was eager to play at `X,' but could not afford to do so.]))(;W[bq]C[If White secures the corner instead...];B[kp]C[...Black will lose no time in leaping to a counter-attack.];W[is];B[mn];W[nn];B[ln];W[lm];B[nm];W[on];B[pn];W[om];B[nl];W[pm];B[qm]C[White's position has been extremely reduced by the sequence to 14.];W[qn]C[If White cuts with 15...];B[pl]C[...Black traps White in a ladder.]))(;B[np]C[If Black answers here...];W[no];B[kp]LB[lp:t][lq:t]C[...there is no way White can save his two stones.]))(;W[mp]C[White's attack at 1 is a lighter move.]))(;B[ii]LB[fj:t][gk:t][gj:t][gi:t]C[Black 1 threatens White's four t stones.];W[gh];B[fg];W[gg];B[ff];W[ig];B[kg];W[jh];B[kk]C[You may be struck with wonder at how the situation as developed favorablyfor Black who is now in hot pursuit of White's three groups (one startingfrom the bottom side, another fluctuating around the center, and a thirdriveted to the upper right).]))(;B[hr]C[Black 1 connects his two groups along the lower side.White has no choice in this case but to turn elsewhere, leaving the matterto chance.](;W[gr]LB[ir:a]C[If White plays 2 here, his struggles come to nothing.What if White plays at `a'?];B[hp];W[ip];B[iq](;W[gp]LB[gq:a]C[...White can play 6 here or at `a.'If things come to this juncture, all is lost for White.];B[gq];W[hp];B[fo];W[en];B[gs]C[Black maintains his connection.])(;W[gq]C[If White plays here...];B[gp];W[ir];B[hs]C[...White cannot help losing five stones on the lower side.]))(;W[ir]C[I leave this reply to your judgement.])))(;B[ep]C[Connecting here is better.]))(;B[eq]C[Black 1 helps defend the corner.]))(;B[kq]C[Black 1 is a better attack.];W[ho];B[hn];W[io];B[ko];W[in](;B[hm]C[Since White, in response to Black 1, could not find a better answer than2, 4, and 6 - all of which are identical with the sequence in the game -Black 1 and 5 present a steady formation, not to mention  their balancewith the lower right corner.In contrast, 16 and 20 in the game are wanting in stability and leavesomething to be desired in the formation itself.])(;AB[hm]AB[jq]LB[jq:1][hm:7]C[This is how the sequence turned out in the game.])))(;B[kq]C[Black 1 is regarded as joseki.];W[ho];B[fn]C[Black 3 in response to White 2 can be said to be in due order.Only one should not expect White to always make such a passive play.White, were he more agressive, would, in pursuit of variation, playotherwise.]))(;B[em]C[Black's large knight's move, though it may look vague at first, is anothermeans of strengthening one's position.];W[dl];B[ek];W[el];B[fk];W[fl];B[gk]C[Black obviously has no trouble in advancing into the center area.]))