Problem	516
Created	2001-04-17
Name	The counter tesuji
Source
Rating

Difficulty	9 dan
Average Solve Time	14 secs
User Attempts	565 / 4532
Solve Ratio Rating	2 dan
	rating history

Part 2

(;GM[1] FF[4] AP[Hibiscus:2.1] SZ[19] ST[3] PL[B] ;LB[yy:0][hl:A]AB[ak][bb][bc][cb][ck][cl][cp][db][dc][dj][dm][dp][ea][eb][ej][ek][el][ep][eq][fc][ff][fj][fn][fo][fp][fr][gd][ge][gj][gm][gp][hd][hf][hg][hp][hq][ip][jc][jf][jj][jp][ke][kk][ko][kq][le][ll][lo][me][mo][mp][nd][ne][nf][nl][nm][nn][oa][ob][oe][og][om][pg][pj][pk][pl][qc][qd][qg][ql][qm][qp][qr][rf][rn][ro][rq][rr] AW[ai][bd][bh][bj][bp][cc][cd][ch][cj][cm][cn][co][cq][dd][di][dq][dr][ec][ed][ei][em][en][eo][er][fb][fm][fq][gb][gh][gq][gr][hc][he][hi][hl][hr][ic][id][ie][iq][je][jq][kc][kd][kp][lm][lp][lq][mb][mf][mg][mn][mq][nb][ng][nj][no][nq][of][oh][on][op][pd][pe][ph][pi][pm][pn][pq][pr][qj][qk][qn][qq][rh][rl][rm] C[How did Go Seigen deal with the White intruder (A) ?] (;B[il] MN[1] C[RIGHT] ;W[jh] C[Play on to see a little more of the game.] LB[jh:3][jh:3][fh:A];B[fh] ;W[fi] LB[fi:5][hj:B];B[hj] ;W[if] C[CORRECT Now how to save the black stones? (See next problem)] )(;B[hj] ;W[gl] ;B[fl] ;W[jo] ;B[jn] ;W[gn] ;B[hm] ;W[im] ;B[hn] ;W[in] ;B[ho] ;W[io] ;B[il] ;W[jm] C[Surely Go Seigen did want this to happen to his groups.] )(;B[hk] ;W[gl] ;B[fl] ;W[ik] (;B[ij] ;W[jo] ;B[jn] ;W[gn] ;B[hm] ;W[im] ;B[hn] ;W[in] ;B[ho] ;W[io] C[Surely Go Seigen didn't want this to happen to his group.] )(;B[il] ;W[im] ;B[hm] ;W[jl] ;B[ij] ;W[jo] (;B[jn] ;W[in] ;B[gn] ;W[io] C[Surely Go Seigen didn't want this to happen to his group] )(;B[km] ;W[in] C[Black will lose the capturing race.] )))(;B[gl] ;W[hj] ;B[hk] ;W[ik] ;B[gk] ;W[ij] C[Black has lost a lot of territory here.] ))