(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;C[White to play an infamous
tesuji that probably won him the game.]
PL[W]
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][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]
(;W[hl]
MN[160]
C[RIGHT
This move was discovered by
Shusai's student Maeda during a
secret study session.
How should black answer it?
(See next problem)]
)(;W[gl]
;B[fl]
(;W[hl]
;B[hm]
(;W[im]
;B[il]
;W[ik]
;B[jl]
;W[hj]
;B[gk]
;W[hk]
;B[bm]
;W[bn]
;B[an]
;W[dl]
;B[bk]
C[This is better for Black]
)(;W[hj]
;B[hk]
;W[ik]
;B[gk]
(;W[ij]
;B[il]
C[Good for black]
)(;W[il]
;B[ij]
C[White can't do anything]
))(;W[il]
;B[hj]
C[White has lost his 3 stones.]
))(;W[hm]
;B[gn]
;W[hk]
;B[hj]
;W[ij]
;B[ik]
;W[ii]
;B[il]
)))