(;GM[1]FF[4]SZ[19]AP[SmartGo:2.5.0.0]
GN[WAGC Rd6]
PW[Gerardus Petrus Gronen 6d, Netherlands]
PB[Fernando Aguilar 7d, Argentina]
EV[WAGC]RO[6]
DT[2010-05-28]
PC[Hangzhou, China]
KM[0.5]
RE[B+ .5]
US[transcribed by Chris Garlock]
RU[Simple]
TM[3600.0]OT[3x30]
SO[players]
AN[Michael Redmond 9P]
C[WAGC Rd6
May 28, 2010
Hangzhou, China
W: Gerardus Petrus Gronen 6d, Netherlands
B: Fernando Aguilar 7d, Argentina
Commentary by Michael Redmond 9P, transcribed by Chris Garlock

NOTE: Only includes moves thru 38; a more complete version is also commented separately by Michael's wife  Xianxian Niu 3P in Spanish, available on the Ranka online site.]
;B[qd];W[dd];B[pq];W[oc];B[cp];W[qo];B[pe];W[op];B[oq];W[np];B[mq];W[qj]
;B[mp];W[mo];B[lo];W[mn];B[nq]
C[Filling a W liberty and looking to take advantage of a weakness in W's shape at A (see var)]
LB[po:A]
(;W[pp]
C[W fixes the defect; see var if he does not];B[ln];W[mm];B[cf];W[di];B[ef]
;W[fc];B[dk];W[dg];B[df];W[fi]TR[dk]
C[B has started a running fight with the marked stone, so he must continue with a play at A]
LB[gf:A];B[nd]
C[This is a good point, but the left-side fight is more urgent];W[gf];B[bd]
;W[cc];B[bi]
C[Painful for B to have to play underneath like this];W[ld];B[nc];W[lb];B[nb]
;W[fq]
C[It's beginning to look like a close game. This game record ends here; a more complete version is also commented separately by Michael's wife  Xianxian Niu 3P in Spanish, available on the Ranka online site.
]
)
(;W[oj]
C[This is an example of a slack move that we'll use to show the weakness at A]
LB[po:A];B[po];W[pp];B[qp];W[pn];B[ro];W[qn];B[rn];W[rp];B[qq];W[rm];B[rq]
;W[sn];B[sp]
C[It looks like W can make the big turn at A but the cut at B works]LB[ln:A][qm:B]
;W[ln];B[qm];W[pm];B[ql];W[rl];B[on];W[oo];B[pl];W[om];B[rk]))