(;EV[Amsterdam Go Tournament]PC[Amsterdam]PB[Robin Upton]BR[1d]WR[1 Kyu]TM[90m + 10 stones/5 minutes buyoyomi]KM[5½]RE[W+R]SZ[19]RO[6]DT[4/6/00]PW[Maarten Schlemper];B[pd];W[dc];B[pp];W[qj];B[dp];W[nq];B[qn];W[pr];B[qq];W[kq];B[de];W[qf];B[cc];W[cb];B[cd];W[eb]C[Black had used 11 minutes at this point, white 2 minutes.];B[qh];W[of];B[rd];W[nd];B[ne];W[oe];B[od];W[md];B[me];W[le];B[ng];W[qe];B[ld];W[lc];B[kd];W[mg]C[Black had used 27 minutes at this point, white 6 minutes.];B[nf];W[og];B[nh];W[qd];B[qc];W[rc];B[oh];W[kc];B[mc];W[nc];B[nb];W[mb]C[Black had used 38 minutes at this point, white 8 minutes.];B[oc];W[mc];B[rb];W[sc];B[pb];W[rg];B[rh];W[re];B[sb];W[sd];B[jc];W[jd];B[ke];W[jb];B[ic];W[ib];B[hc];W[je];B[kf];W[hb];B[gc];W[na];B[ob];W[jf];B[gb];W[kg];B[lf];W[ka];B[fd];W[ed];B[ee];W[fc](;B[ge];W[ff]C[Black had used 57 minutes at this point, white 26 minutes.];B[fe];W[ji];B[ok];W[pl];B[pk];W[qk];B[ol];W[rm];B[rn];W[pm];B[qm];W[pi];B[ph];W[om];B[nm];W[nn];B[ql];W[mm];B[nl];W[oo];B[on];W[pn];B[po];W[on];B[mn];W[ln];B[mo];W[op];B[lm];W[ml];B[nj];W[ll];B[km];W[kl];B[mq];W[mr];B[mp];W[ko];B[lr];W[nr];B[lq];W[kr];B[kp];W[jp];B[kn];W[lp];B[lo]C[White spent a long time considering his next move. He had used 30 minutes at this point, while black had used 81 minutes.];W[ls];B[in];W[jm];B[kp];W[jo];B[jn];W[ho];B[hm];W[il];B[fm];W[en];B[hq];W[iq];B[io];W[hp];B[ip];W[jq];B[gq];W[fo];B[fp];W[fn];B[go];W[gn];B[hn];W[gm];B[hl]C[Black entered buyoyomi at this point.];W[hk];B[gl];W[fl];B[qr];W[pq];B[ir];W[qs];B[qp];W[rr];B[rq]M[cb][dc][eb][fc][ed][qk][qj][pi][rm][pl][pm][om][pn][on][nn][oo][op][pq][pr][qs][rr][nq][nr][mr][ls][kr][kq][jq][iq][jp][jo][ko][ho][hp]C[No further moves recorded. The marked stones were captured, so black won by resignation.])(;B[fb]C[Black can start a ko fight to try and kill the top left group if he wishes.]N[Ko fight];W[fe];B[ec]M[fd][fb][gb][gc][hc][ic][jc]C[However, white has more convincing threats, and the marked stones are very important for black.];W[qa];B[qb];W[fc];B[gd];W[ge];B[ec];W[ph];B[pi];W[fc];B[he];W[hf];B[ec];W[pg];B[qi];W[fc]M[fe][ge][hf][jf][je][jd][kg][mg]C[Black has not done well out of this ko fight so far, and even if he can win it and kill the top left group, the marked stones will not end up as a target.]))