(;GM[1]FF[4]SZ[19]
GN[Black momentum]
PC[http://senseis.xmp.net/?NYR2002Moves1To20]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?NYR2002Moves1To20

Black momentum]
PL[B]

AB[qm][pn][qo][qp][pq][qq]
AW[po][cp][np][pp][eq][oq][pr]
LB[mo:b][kp:c][lp:a]

;B[no]C[B1]MN[1]
;W[mp]C[W2]MN[2]
;B[ln]C[B3]MN[3]

;LB[mo:b][kp:c][lp:a]
)
