(;GM[1]FF[3]VW[]F[]SZ[19]HA[9]PB[lumacx]PW[RoninRo]DT[2004-01-10]PC[The Kiseido Go Server (KGS) at http://kgs.kiseido.com/]KM[0.5]TM[2700]RU[Japanese]RE[W+Resign]BR[11k]WR[2k]AB[dd][jd][pd][dj][jj][pj][dp][jp][pp]CA[0]BS[0]WS[0];W[nc]CR[nc]WL[2741.3]C[a is a good forcing move, white will be heavier.];B[oc]CR[oc]BL[2775.8];W[nd]CR[nd]WL[2642.3];B[pf]CR[pf]BL[2788.7]C[Yes, black has to help inside group.];W[fd]CR[fd]WL[2658.6];B[df]CR[df]BL[2714.1]C[a isn't good, that will help black stronger. White has to just play at b.]
(;W[dc]CR[dc]WL[2656.4];B[cc]CR[cc]BL[2750.3];W[ec]CR[ec]WL[2624.6]C[a is an important point.];B[cb]CR[cb]BL[2679.0];W[jf]CR[jf]WL[2603.5]C[a is ok, black has to run out, and b is faster.]
(;B[ie]CR[ie]BL[2664.1];W[hg]CR[hg]WL[2554.7];B[ge]CR[ge]BL[2637.0]C[a isn't that useful.];W[hd]CR[hd]WL[2536.4];B[he]CR[he]BL[2596.1]C[This exchange is good for black.];W[fe]CR[fe]WL[2595.1];B[gf]CR[gf]BL[2590.5];W[eg]CR[eg]WL[2574.9]C[a is slow, it attacks white small stone. Black has to split white at b...]
(;B[gd]CR[gd]BL[2644.2];W[ef]CR[ef]WL[2530.1]C[a is slow. b is the proper defense.]
(;B[de]CR[de]BL[2608.0];W[ke]CR[ke]WL[2473.3]C[a is slow. b is a better way to live...]
(;B[hc]CR[hc]BL[2588.8];W[kc]CR[kc]WL[2426.1];B[jc]CR[jc]BL[2557.5]C[a is a big move to destroy black's right side position. b is more important.]
(;W[qh]CR[qh]WL[2436.5]C[a is slow. b is a proper defense.]
(;B[qc]CR[qc]BL[2505.2]C[a is slow when white won't be able to kill black's top right corner. White has to move out at b first.]
(;W[rf]CR[rf]WL[2349.1];B[qg]CR[qg]BL[2500.6];W[rg]CR[rg]WL[2381.1]C[a is a good move.];B[ph]CR[ph]BL[2540.0]C[Black makes solid connection that is useful.];W[qi]CR[qi]WL[2390.6];B[pi]CR[pi]BL[2523.9];W[qe]CR[qe]WL[2376.8];B[pe]CR[pe]BL[2476.1];W[og]CR[og]WL[2317.7];B[pg]CR[pg]BL[2492.7]C[White has to move out at b.]

(;W[qn]CR[qn]WL[2304.0]C[a is ok. b could be better...]
(;B[qo]CR[qo]BL[2511.0];W[pn]CR[pn]WL[2378.7];B[np]CR[np]BL[2456.2]C[a is slow. b is the proper move.]
(;W[qj]CR[qj]WL[2362.4]C[a is slow. b is a severe move to squeeze white...]
(;B[ob]CR[ob]BL[2473.7];W[kb]CR[kb]WL[2255.0]C[a is a slow move. b is a better way to help black group.]
(;B[jb]CR[jb]BL[2456.9];W[cn]CR[cn]WL[2317.8]C[b is bigger and more important.]
(;B[co]CR[co]BL[2445.8];W[dn]CR[dn]WL[2223.2];B[fq]CR[fq]BL[2421.3];W[dg]CR[dg]WL[2200.0]C[a is great, it helps weak stone also squeeze white weak group.];B[cl]CR[cl]BL[2486.9];W[bg]CR[bg]WL[2194.1]C[a is the best defense.];B[be]CR[be]BL[2473.3]C[a isn't useful. White has to run out at b.]
(;W[ck]CR[ck]WL[2128.0];B[dk]CR[dk]BL[2442.3];W[cj]CR[cj]WL[2182.9]C[a isn't really useful. Black has to split white at b...]
(;B[ch]CR[ch]BL[2418.9];W[ci]CR[ci]WL[2123.8];B[di]CR[di]BL[2404.9];W[dh]CR[dh]WL[2086.0]C[a is too soon. Black has to split white at b first...]
(;B[el]CR[el]BL[2380.8];W[bl]CR[bl]WL[2114.9]C[a is slack. Black might split white from b...]
(;B[bo]CR[bo]BL[2403.4];W[fn]CR[fn]WL[2030.2]C[a is slow. b is the proper move to run.]
(;B[fj]CR[fj]BL[2403.6];W[lq]CR[lq]WL[1956.1]C[a is a nice defense.];B[jr]CR[jr]BL[2325.7];W[lo]CR[lo]WL[1980.1]C[a is a very good defense.];B[ro]CR[ro]BL[2292.2];W[nr]CR[nr]WL[1925.7];B[pr]CR[pr]BL[2281.5];W[nn]CR[nn]WL[1960.9]C[a is the best move in this moment, black must help this weak group.];B[hj]CR[hj]BL[2295.6];W[iq]CR[iq]WL[1981.0]
;B[jq]CR[jq]BL[2264.0];W[gq]CR[gq]WL[1946.9]C[b is the best response, because it doesn't leave any forcing move for white.]
(;B[gp]CR[gp]BL[2221.9];W[hp]CR[hp]WL[1971.9]C[a is the natural move to split white. Black can play a forcing move at b first.]
(;B[go]CR[go]BL[2255.4];W[ho]CR[ho]WL[1911.4];B[gn]CR[gn]BL[2273.3];W[hn]CR[hn]WL[1901.1]C[a is slack. Black has to move out at b, or play a forcing move at c...]
(;B[fr]CR[fr]BL[2138.7];W[gm]CR[gm]WL[1874.0]C[a is slow. b is the correct move...]
(;B[fp]CR[fp]BL[2139.6];W[gr]CR[gr]WL[1875.8];B[jn]CR[jn]BL[2115.0]C[Yes, black has to run out.];W[im]CR[im]WL[1852.8];B[jm]CR[jm]BL[2078.4];W[jl]CR[jl]WL[1847.3];B[kl]CR[kl]BL[2127.1];W[il]CR[il]WL[1765.1];B[lm]CR[lm]BL[2061.2]C[This is a nice defense.];W[kn]CR[kn]WL[1756.4]C[a is slow. b is the correct defense.]

(;B[km]CR[km]BL[2062.3];W[jo]CR[jo]WL[1842.3]C[Black lost the connection.
a is a necessary defense.];B[kk]CR[kk]BL[2112.5]C[a is too aggressive. White has to defend at b.]
(;W[lj]CR[lj]WL[1746.0];B[kp]CR[kp]BL[2104.9]C[This is a severe move.];W[ko]CR[ko]WL[1728.1];B[lp]CR[lp]BL[2092.3]C[This is really bad for white.];W[mp]CR[mp]WL[1668.8]C[b is much better than a...]
(;B[mq]CR[mq]BL[2096.1];W[mo]CR[mo]WL[1660.2];B[nq]CR[nq]BL[2076.7];W[gi]CR[gi]WL[1607.4]C[Black has to play a forcing move with b first...]
(;B[gj]CR[gj]BL[2078.7];W[ii]CR[ii]WL[1605.7];B[ij]CR[ij]BL[2064.3];W[ml]CR[ml]WL[1542.4];B[ji]CR[ji]BL[1960.1];W[ih]CR[ih]WL[1545.8];B[gh]CR[gh]BL[1971.4];W[hi]CR[hi]WL[1557.1];B[kh]CR[kh]BL[1976.1];W[mh]CR[mh]WL[1497.7]C[a is useful.]
;B[bk]CR[bk]BL[1879.2];W[cm]CR[cm]WL[1532.3];B[dl]CR[dl]BL[1906.6];W[bj]CR[bj]WL[1458.4];B[bm]CR[bm]BL[1877.0];W[ak]CR[ak]WL[1516.1]C[a is ok. b is easier...]
(;B[bn]CR[bn]BL[1898.0];W[fm]CR[fm]WL[1432.1];B[hl]CR[hl]BL[1789.3];W[gl]CR[gl]WL[1454.7]C[a isn't necessary. Black has to just connect at b...]
(;B[fi]CR[fi]BL[1706.2];W[fh]CR[fh]WL[1406.3];B[nf]CR[nf]BL[1667.0];W[mg]CR[mg]WL[1409.4];B[mm]CR[mm]BL[1587.0];W[nm]CR[nm]WL[1380.4];B[nl]CR[nl]BL[1513.0];W[mk]CR[mk]WL[1394.2]C[Black must play at b.]
(;B[ol]CR[ol]BL[1438.2]C[b is the correct defense for white.]
(;W[ql]CR[ql]WL[1393.2];B[lg]CR[lg]BL[1394.5];W[mf]CR[mf]WL[1366.4];B[li]CR[li]BL[1376.9];W[mi]CR[mi]WL[1374.2];B[kj]CR[kj]BL[1333.5];W[jg]CR[jg]WL[1318.1];B[jh]CR[jh]BL[1335.9];W[lh]CR[lh]WL[1333.9];B[lk]CR[lk]BL[1306.5]
;W[mj]CR[mj]WL[1373.1]C[Black has to play a forcing move at b first...]
(;B[io]CR[io]BL[1263.6]C[Finally.];W[ip]CR[ip]WL[1386.5];B[in]CR[in]BL[1257.8];W[ir]CR[ir]WL[1376.3]C[Black must play at b first.]
(;B[lr]CR[lr]BL[1289.5]C[a isn't meaningful. White has to just play at b.]
(;W[js]CR[js]WL[1351.4];B[is]CR[is]BL[1131.3];W[hk]CR[hk]WL[1276.5]C[Now game is over.];B[gk]CR[gk]BL[1036.2];W[ik]CR[ik]WL[1303.5];B[fl]CR[fl]BL[1043.1];W[ei]CR[ei]WL[1257.2];B[en]CR[en]BL[1009.3];W[em]CR[em]WL[1287.4];B[ks]CR[ks]BL[813.9]
;W[hs]CR[hs]WL[1266.5];B[hr]CR[hr]BL[735.0];W[hq]CR[hq]WL[1216.1];B[fs]CR[fs]BL[737.0];W[gs]CR[gs]WL[1262.1];B[no]CR[no]BL[750.0];W[mn]CR[mn]WL[1195.1];B[on]CR[on]BL[776.0];W[om]CR[om]WL[1230.8];B[pm]CR[pm]BL[761.6]
;W[oo]CR[oo]WL[1243.5];B[qm]CR[qm]BL[722.3];W[pl]CR[pl]WL[1193.7];B[rm]CR[rm]BL[686.8];W[rn]CR[rn]WL[1148.2];B[sn]CR[sn]BL[690.1];W[rl]CR[rl]WL[1165.1];B[sm]CR[sm]BL[705.3];W[sl]CR[sl]WL[1150.7];B[so]CR[so]BL[663.5]
;W[ok]CR[ok]WL[1175.8];B[po]CR[po]BL[695.9];W[on]CR[on]WL[1144.1];B[op]CR[op]BL[675.4];W[nk]CR[nk]WL[1117.8];B[do]CR[do]BL[636.7];W[eo]CR[eo]WL[1092.2];B[cf]CR[cf]BL[665.0];W[cg]CR[cg]WL[1145.1];B[fb]CR[fb]BL[630.9]
;W[fc]CR[fc]WL[1115.2];B[gb]CR[gb]BL[654.8];W[rd]CR[rd]WL[1122.3];B[rc]CR[rc]BL[597.0];W[nb]CR[nb]WL[1047.8];B[kd]CR[kd]BL[664.8];W[lf]CR[lf]WL[1075.6];B[ld]CR[ld]BL[617.2];W[me]CR[me]WL[1008.1];B[ne]CR[ne]BL[610.1]
;W[md]CR[md]WL[1081.1];B[gg]CR[gg]BL[553.8];W[ep]CR[ep]WL[1019.9];B[eq]CR[eq]BL[584.2];W[oa]CR[oa]WL[930.9];B[pa]CR[pa]BL[589.3];W[na]CR[na]WL[976.0];B[qb]CR[qb]BL[591.9];W[db]CR[db]WL[899.7];B[je]CR[je]BL[485.9]
;W[ca]CR[ca]WL[854.9];B[ba]CR[ba]BL[512.8];W[da]CR[da]WL[901.9];B[bb]CR[bb]BL[498.3];W[bf]CR[bf]WL[893.1];B[ae]CR[ae]BL[488.2];W[sc]CR[sc]WL[793.3];B[sb]CR[sb]BL[485.3];W[sd]CR[sd]WL[806.8];B[am]CR[am]BL[466.3]
;W[od]CR[od]WL[722.5];B[oe]CR[oe]BL[520.8];W[ra]CR[ra]WL[742.3];B[qa]CR[qa]BL[483.4];W[pc]CR[pc]WL[724.8])
(;W[hk]))
(;B[hk]))
(;B[hk];W[hm];B[io]))
(;W[ip]))
(;B[io]))
(;B[hk];W[hm];B[io]C[It kills white inside group since black has more liberty.]))
(;B[fm]C[White is losing.]
(;W[io];B[bn])
(;W[bn];B[io])))
(;B[hi];W[gh];B[gj]))
(;B[mo];W[mq];B[io]))
(;W[mp]))
(;B[ko]))
(;B[gr];W[hq];B[eo]))
(;B[gm];W[jn]C[It captures black three stones.];B[gr];W[ir];B[bm]C[It kills white three stones.])
(;B[gr]))
(;B[gr]))
(;B[fr];W[gp];B[gs]))
(;B[hk]TR[jj]C[It makes black marked stone useful.]))
(;B[bm];W[cm];B[dl];W[bk];B[bn]))
(;B[bk];W[bi];B[el]))
(;B[bl];W[ci];B[el]))
(;W[gn]))
(;B[ch]))
(;B[gg]C[It also splits white.]))
(;B[qk];W[rk];B[rl];W[ql];B[pk];W[rj];B[qm]))
(;W[rk]))
(;B[rj];W[ri];B[si];W[sh];B[sj];W[qj];B[qk];W[rh];B[rl];W[rd]
;B[rc];W[se];B[qp]))
(;W[rk]))
(;W[oh]))
(;B[qf]))
(;W[dg]C[It helps white weak group, also destroy territory.]))
(;B[lc];W[me];B[gc]))
(;B[cg]))
(;B[ff];W[ef];B[ee]))
(;B[he]))
(;W[jf]))