A game between Jigsaw(3d) and trick(2d)
... nobody is perfect ;-)
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[6.50]
PW[Blanc]PB[Noir]AW[ri][rj][sj][rk][sl][rm][rn][sn][ro][qp][rp][lq][mq][nq][pq][or][pr]AB[qh][rh][sh][qi][qj][ql][rl][qm][qn][qo][lp][mp][op][pp][qq][rq][qr]C[Black Have to save the corner.]
(;B[sp]CR[sp]
;W[lg]CR[lg]C[RIGHT White cannot atari from the right side because of shortage of liberties, and the black corner have one eye, so the white group on the side is dead.]
;B[mg]CR[mg]
(;W[sr]CR[sr]
;B[sq]CR[sq]
;W[qs]CR[qs]
;B[rs]CR[rs]C[RIGHT])
(;W[rs]CR[rs]
;B[qs]CR[qs]
;W[sr]CR[sr]
;B[sq]CR[sq]C[RIGHT No way, everything is for black.]))
(;B[sq]CR[sq]
;W[sp]CR[sp]C[This is what happened in the real game ...]
;B[qk]CR[qk]
;W[sr]CR[sr]
(;B[si]CR[si]
;W[qs]CR[qs]C[Black lose the corner, he can only eat the S10 group.])
(;B[qs]CR[qs]
;W[rs]CR[rs]C[Black lose the corner, he can only eat the S10 group.]))
(;B[sr]CR[sr]
;W[rs]CR[rs]
(;B[qs]CR[qs]
;W[sp]CR[sp]
;B[qk]CR[qk]
;W[ps]CR[ps]
;B[si]CR[si]
;W[sq]CR[sq]
;B[sk]CR[sk]
;W[rr]CR[rr]C[Black lose the corner.])
(;B[sp]CR[sp]
;W[qs]CR[qs]
;B[qk]CR[qk]
;W[rr]CR[rr]
;B[sq]CR[sq]
;W[ps]CR[ps]
;B[si]CR[si]
;W[ss]CR[ss]
;B[sk]CR[sk]
;W[so]CR[so]C[Black lose the corner.]))
(;B[rs]CR[rs]
;W[sr]CR[sr]
(;B[sp]CR[sp]
;W[sq]CR[sq]
(;B[qk]CR[qk]
;W[ps]CR[ps]
;B[qs]CR[qs]
;W[so]CR[so]
;B[si]CR[si]
;W[ss]CR[ss]
;B[sk]CR[sk]
;W[rr]CR[rr]C[Black lose the corner.])
(;B[si]CR[si]
;W[ps]CR[ps]
;B[qs]CR[qs]
;W[so]CR[so]
;B[qk]CR[qk]
;W[ss]CR[ss]
;B[sk]CR[sk]
;W[rr]CR[rr]C[Black lose the corner.]))
(;B[sq]CR[sq]
;W[sp]CR[sp]
;B[qk]CR[qk]
;W[ps]CR[ps]
(;B[si]CR[si]
;W[qs]CR[qs]
;B[sk]CR[sk]
;W[rr]CR[rr]C[Black lose the corner.])
(;B[qs]CR[qs]
;W[rr]CR[rr]
;B[ss]CR[ss]
;W[rr]CR[rr]
;B[sr]CR[sr]
;W[rr]CR[rr]C[Black lose the corner.]))))