(;GM[1]FF[4]SZ[19]
GN[Difficult for White]
PC[http://senseis.xmp.net/?TeachingGame22/Moves1Thru20]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TeachingGame22/Moves1Thru20

Difficult for White]
PL[W]

AB[ec][dd][cf][df]
AW[dc][fd][ce]

;W[ed]C[W1]MN[1]
;B[cc]C[B2]MN[2]
;W[db]C[W3]MN[3]
;B[cb]C[B4]MN[4]
;W[de]C[W5]MN[5]
;B[cd]C[B6]MN[6]
;W[be]C[W7]MN[7]
;B[ee]C[B8]MN[8]

;
)
