(;GM[1]FF[4]SZ[19]
GN[Problem 3: White to kill]
PC[http://senseis.xmp.net/?BaseCaseProblemLearningMethod]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BaseCaseProblemLearningMethod

Problem 3: White to kill]
PL[W]

AB[da][db][bc][cc][dc]
AW[eb][ec][bd][cd][dd][ed]

;W[ac]C[W1]MN[1]
;B[ab]C[B2]MN[2]
;W[ba]C[W3]MN[3]

;
)
