Starting with this position, I'll try to do some easy but still interesting problems - which is far more difficult than I thought :)
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[7]KM[0.50]
AW[ba][bb][fc][gc][bd][cd][dd][ed][ee][fe][ff][fg]AB[ca][cb][fb][gb][cc][dc][ec][ce][bf][df][ef][bg][eg]C[No komi, no prisoners - White to play and draw!]PL[W]
(;W[af]CR[af]
(;B[be]CR[be]
;W[ae]CR[ae]
;B[cg]CR[cg]
;W[bc]CR[bc]C[Jigo! RIGHT])
(;B[ae]CR[ae]
;W[be]LB[de:B][cg:A]CR[be]C[A and B are miai, so Black is dead!])
(;B[cg]CR[cg]
;W[be]CR[be]
;B[de]CR[de]
;W[bc]CR[bc]C[This is worst for Black - White wins by one point!]))
(;W[be]CR[be]
;B[af]CR[af]
;W[de]CR[de]
;B[cf]CR[cf]
;W[bc]CR[bc]
;B[ae]CR[ae]
;W[ad]CR[ad]C[This isn't good enough for White - Black wins by one point!])
(;W[bc]CR[bc]
;B[be]CR[be]
;W[ae]CR[ae]
;B[af]CR[af]
;W[ad]CR[ad]C[White played badly - this is a two point win for Black!]))
