(;FF[4]GM[1]CA[UTF-8]AP[besogo:0.0.2-alpha]SZ[19]ST[0]
AB[ba][bc][ca][cc][dc][ea][eb]AW[ad][bd][cb][cd][dd][ec][fa][fb][fc]
C[Kill B]
(;W[db]
(;B[da]
(;W[ac]
(;B[bb]
;W[ab]
C[Good!RIGHT CHOICE])
(;B[ab]
;W[bb]
C[Good!RIGHT CHOICE]))
(;W[ab]
(;B[bb]
;W[ac]
C[Good!RIGHT CHOICE])
(;B[ac]
;W[bb]
C[Good!RIGHT CHOICE]))
(;W[bb]
;B[ab]))
(;B[bb]
;W[da]
C[RIGHT])
(;B[ab]
;W[da]
C[RIGHT]))
(;W[ab]
(;B[bb]
;W[db]
;B[da]
;W[ac]
C[Good!RIGHT CHOICE])
(;B[db]
;W[bb]LB[ac:A]
C[Good! Playing at A is self atari! RIGHT CHOICE])
(;B[ac]
(;W[db]
C[RIGHT])
(;W[bb]
C[RIGHT])))
(;W[ac]
;B[db]TR[ab][bb])
(;W[bb]
;B[ab]))