This is from one of my rengo games.
My teammate and opponents didn't see it XD
(;AW[rq]AW[qq]AW[pq]AW[pp]AW[qr]AB[pr]AW[or]AB[op]AB[oq]AB[no]AB[on]AB[po]AW[nq]AW[mq]AW[lq]AW[kr]AB[kq]AB[jp]AB[lp]AB[ko]AW[iq]AW[ip]AB[lo]AB[in]AB[ho]AB[hp]AB[fo]AB[fp]AB[fq]AB[fr]AB[fs]AB[es]AB[qp]AB[rp]AB[rn]AB[qn]AB[so]C[Black to do the best]AW[eo]AW[eq]AW[er]AW[ep]AW[dq]AW[cq]AW[bq]AW[cr]AW[cs]AB[dr]AB[ds]AW[ap]AW[an]AW[bm]AW[bl]AB[al]AB[bk]AB[cl]AB[cm]AW[cn]AW[dn]AB[bn]AB[bo]AB[bp]AB[co]AB[do]AB[dp]AW[dm]AW[em]AW[el]AW[fn]AW[fk]AW[gl]AB[dl]AB[dk]AB[dj]AB[di]AB[ek]AW[ei]AW[ej]AW[il]AW[gj]AW[hj]AW[ij]AB[gn]AB[im]AP[goproblems]
(;B[jr];W[jq]C[what are you going to do?]
(;B[kp]C[RIGHT]
(;W[lr];B[ir]
(;W[hr]C[Although white can tenuki... just go on];B[hq];W[js];B[io];W[is]C[Nice~RIGHT];B[hs]C[a yose tesuji]
(;W[ks];B[gr])
(;W[gs];B[gr]
(;W[hs];B[ks])
(;W[ks];B[hs])))
(;W[hq];B[hr]C[Nice~RIGHT])
(;W[js];B[hr]C[White gets senteRIGHT]))
(;W[ir];B[lr]
(;W[js];B[nr]
(;W[ps];B[mr];W[ls];B[np];W[ns];B[mp];W[ms]C[Very nice~RIGHT])
(;W[mr];B[os]
(;W[ls]C[Black gets the cornerRIGHT])
(;W[ms]C[Black gets the cornerRIGHT])))
(;W[ks];B[nr];W[os];B[mr];W[ls];B[np];W[ns];B[mp];W[ms]C[Very nice~RIGHT])))
(;B[lr]C[Black can do better instead of ko])
(;B[nr];W[ps]
(;B[lr];W[kp]C[Black can do better])
(;B[kp];W[lr];B[ir];W[js];B[hr]C[RIGHT])))
(;B[jq];W[jr];B[hr];W[ir];B[io]C[Black can do much better])
(;B[lr];W[jq]C[k2 may be better than m2]
(;B[kp]C[RIGHT]
(;W[mr];B[jr];W[ls];B[ir]
(;W[hr];B[hq];W[is];B[io];W[js]C[Very nice~RIGHT];B[hs]C[a yose tesuji];W[gs];B[gr]
(;W[ks])
(;W[hs];B[ks];W[js]))
(;W[hq];B[hr]C[Nice~RIGHT])
(;W[js];B[hr]C[White gets senteRIGHT]))
(;W[jr];B[nr]
(;W[ps];B[mr];W[ls];B[mp];W[ns];B[np]C[];W[ms]C[Very nice~RIGHT])
(;W[mr];B[os]
(;W[ms]C[Black can kill the white group :DRIGHT];B[is]
(;W[js];B[ls];W[hs];B[hr];W[ir]C[Black captures all white stonesRIGHT])
(;W[ls];B[js]
(;W[hs];B[hr];W[ir];B[gs]C[Black captures all white stonesRIGHT])
(;W[hr];B[hs]C[Black captures all white stonesRIGHT])))
(;W[ls];B[ms];W[ns]C[koRIGHT]))))
(;B[jr]C[Black can do better instead of ko])
(;B[nr];W[ps]
(;B[kp];W[mr];B[jr];W[ls];B[ir];W[js];B[hr]C[RIGHT])
(;B[jr];W[kp]C[Black can do better])
(;B[mr];W[kp]C[Black have a better way])))
(;B[nr];W[ps]
(;B[jr];W[jq]
(;B[kp];W[lr];B[ir];W[js];B[hr]C[RIGHT])
(;B[lr]C[];W[kp]C[Black have a better way]))
(;B[lr]
(;W[mr];B[jr];W[ls];B[jq]C[RIGHT])
(;W[jr];B[mr];W[ls];B[mp];W[ns];B[np];W[ms]C[RIGHT])))
(;B[ir];W[jr]
(;B[hr];W[jq]C[Black can do better])
(;B[jq];W[hr]C[Black can do better])))