(;GM[1]FF[4]SZ[19]
GN[The key point.]
PC[http://senseis.xmp.net/?CapturingRaceExercise23/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?CapturingRaceExercise23/Solution

The key point.]
PL[W]

AB[ea][ja][ab][bb][cb][gb][hb][ib][cc][gc][ic][jc][dd][ed][fd][ef][ff][hf][fh]
AW[db][fb][jb][kb][bc][dc][ec][fc][hc][kc][bd][cd][gd][hd][id][jd][kd][de][cf][ch]

;W[fa]C[W1]MN[1]

;
)
