(;GM[1]FF[4]SZ[19]
GN[Why couldn't I just play B2 at W3?]
PC[http://senseis.xmp.net/?Fwiffo/Blog]AP[GoWiki:2009]
DT[2009-05-25]
C[Diagram from http://senseis.xmp.net/?Fwiffo/Blog

Why couldn't I just play B2 at W3?]
PL[W]

AB[db][eb][mb][ob][dc][lc][qc][ed][hd][pd][ce][de][ee][fe][ke][cf][ef][gf][bg][fh][gh][fi][nj][oj][pj][hk][ik][jk][nk][qk][cl][dl][gl][ll][ml][ol][pl][dm][en][on][pn][ko][lo][mo][ep][gp][op][pp][qp][rp][fq][kq][fr]
AW[ab][cb][cc][ec][nc][bd][dd][fd][qd][be][me][qe][df][ff][pf][eg][gg][ch][eh][hh][qh][ei][gi][ej][fj][hj][ij][nl][ql][cm][im][mm][nm][om][pm][qm][cn][dn][kn][ln][io][jo][po][qo][ro][cp][dq][eq][hq][iq]

;W[oo]C[W1]MN[1]
;B[nn]C[B2]MN[2]
;W[no]C[W3]MN[3]
;B[mn]C[B4]MN[4]
;W[np]C[W5]MN[5]
;B[lm]C[B6]MN[6]
;W[nq]C[W7]MN[7]
;B[oq]C[B8]MN[8]
;W[km]C[W9]MN[9]

;
)
