(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PB[Black to play and live]AW[lp][op][pp][qp][mq][nq][rq][lr][pr][rr][ls][rs]AB[oq][pq][mr][nr][qr][ps]
(;B[ms]C[This makes the eye space bigger...]
;W[qq]
;B[or]
;W[qs]C[... but White makes this eye false.])
(;B[qq]C[To prevent the false eye Black can try this...]
;W[ns]C[... but can play here in safety as it is self-atari to try to cut it off.]
;B[ms]
;W[or])
(;B[qs]
;W[ns]C[This is the same.])
(;B[ns]
;W[or]C[Just one eye.])
(;B[os]
;W[ms]C[Also one eye.])
(;B[or]C[The correct move is the simple capture of the stone.

Black has two eyes.]
(;W[ms]
;B[ns]
;W[qq]
;B[qs])
(;W[qs]
;B[qq]
;W[ms]
;B[ns])))
