(;GM[1]FF[4]SZ[19]
GN[Nice attack (2)]
PC[http://senseis.xmp.net/?TeachingGame22/Moves1Thru20]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TeachingGame22/Moves1Thru20

Nice attack (2)]
PL[W]

AB[ck][ol][cn][qn][mo][no][dp][op][pp][fq]
AW[on][oo][gp][lp][np][gq][nq]

;W[nm]C[W1]MN[1]
;B[lo]C[B2]MN[2]
;W[kp]C[W3]MN[3]
;B[lm]C[B4]MN[4]

;
)
