What is the best encroachment when the 'springboard' is weak?
(;SZ[9]AW[cc]AW[dc]AW[dd]AW[ed]AW[fd]AW[gd]AW[hd]AW[id]AW[fe]AW[gf]AW[fg]AW[hg]AW[fh]AW[gh]AW[gi]AB[cb]AB[ac]AB[bc]AB[ad]AB[cd]AB[be]AB[de]AB[ee]AB[cf]AB[ef]AB[bg]AB[eg]AB[eh]AB[ei]AB[fi]LB[da:K]LB[ea:S]LB[fa:L]LB[db:P]LB[eb:I]C[No komi, no prisoners yet - Black to win.]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]
(;B[da];W[fb]
(;B[fa];W[ga]
(;B[ea];W[gb]
(;B[eb];W[ec]
(;B[bb];W[db];B[ca]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ca];W[db]
(;B[bb]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ba]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ab]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]))
(;B[db];W[bb]C[U' Ooh!])
(;B[ba];W[db];B[ca]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ab];W[db];B[ca]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]))
(;B[bb];W[eb];B[db]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[db];W[eb]
(;B[bb]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ba]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ab]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]))
(;B[ba];W[eb];B[db]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ab];W[eb];B[db]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[ca];W[db];B[eb];W[ec];B[bb]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])
(;B[aa];W[db]
(;B[eb];W[ec]
(;B[ba];W[ca];B[da];W[ea];B[ca]C[W +5])
(;B[bb];W[ca];B[ba];W[da]C[W +8])
(;B[ca];W[bb]
(;B[ab];W[ba]C[W +14])
(;B[ba];W[ab]C[W +18])))
(;B[bb];W[eb];B[ca]C[W +1])
(;B[ba];W[eb];B[ca]C[W +1])))
(;B[eb];W[db]
(;B[bb];W[ec];B[ca];W[ea]C[W +4])
(;B[gb];W[ea]
(;B[ca];W[bb];B[fa];W[ba]
(;B[ea];W[ec];B[ab]C[W +6])
(;B[fc];W[ea];B[hb];W[da]
(;B[gc];W[ec];B[ha];W[ib];B[ab]C[W +16])
(;B[ha];W[ib]
(;B[ec];W[gc];B[ab]C[W +16])
(;B[gc];W[ec];B[ab]C[W +16]))))
(;B[bb];W[ca];B[ba];W[da]C[W +8]))))
(;B[eb];W[db]
(;B[ea];W[bb];B[ca];W[ec];B[ab];W[fa];B[ba]C[W +1])
(;B[bb];W[fa];B[ea];W[ec];B[ca]C[W +1])
(;B[fa];W[bb]
(;B[ba];W[ca];B[gb];W[cb];B[fc];W[hb];B[ab];W[hc];B[aa]C[W +13])
(;B[ca];W[ba];B[gb];W[ea];B[fc];W[hb];B[ab]C[W +16]))
(;B[ec];W[fa];B[ea];W[bb];B[ca];W[fc];B[ab];W[ba]C[W +15])))
(;B[eb];W[db];B[da]
(;W[fb]
(;B[bb];W[fa];B[ea];W[ec];B[ca]C[W +1])
(;B[ea]
(;W[ec];B[bb];W[fa];B[ca]C[W +1])
(;W[bb];B[ca];W[ec];B[ab];W[fa];B[ba]C[W +1]))
(;B[ec];W[fa];B[ea]
(;W[fc];B[bb];W[ca];B[ba];W[da]C[W +8])
(;W[bb]C[This is even better for W, as B has no threats.]
(;B[ba]
(;W[ca];B[ab];W[cb];B[aa]C[W +13])
(;W[fc];B[ab];W[ca];B[da];W[ea];B[ca]C[W +5]))
(;B[ca];W[fc];B[ab];W[ba]C[W +15])))
(;B[fa];W[bb]
(;B[ba];W[ca];B[gb];W[cb];B[fc];W[hb]C[Your group is dead.];B[ab];W[hc];B[aa]C[W +13])
(;B[ca];W[ba];B[gb];W[ea];B[fc];W[hb];B[ab]C[W +16])))
(;W[bb];B[ca];W[fb]
(;B[ab];W[ec];B[ea];W[fa];B[ba]C[W +1])
(;B[ba];W[ec];B[ea];W[fa];B[ab]C[W +1])
(;B[fa];W[ba];B[gb];W[ea];B[fc];W[hb];B[ab]C[W +16])))
(;B[ea]
(;W[fa]
(;B[eb];W[db];B[da]
(;W[fb]
(;B[bb];W[ec];B[ca]C[W +1])
(;B[ba];W[ec];B[ca]C[W +1])
(;B[ca];W[ec]LB[bb:A]C[Please play at 'A'. FORCE];B[bb]C[W +1]))
(;W[bb];B[ca];W[fb]
(;B[ba];W[ec];B[ab]C[W +1])
(;B[ab];W[ec];B[ba]C[W +1])))
(;B[da];W[fb];B[eb];W[ec];B[bb];W[db];B[ca]C[W +1]))
(;W[da];B[db];W[eb]
(;B[ca];W[fb]
(;B[bb];W[fa];B[da]C[W +1])
(;B[fa]
(;W[ga];B[bb];W[da];B[ea]C[W +1])
(;W[bb]
(;B[ba];W[ga];B[ab];W[da];B[ea]C[W +1])
(;B[ga];W[ba];B[da];W[gb]C[Your group is dead.]))))
(;B[fa];W[fb]
(;B[ca];W[bb];B[ba];W[ga];B[ab];W[da];B[ea]C[W +1])
(;B[ga];W[ha]
(;B[ca];W[gb];B[bb];W[da];B[ea];W[fa];B[da]C[W +1])
(;B[gb];W[hb];B[ca];W[gc];B[bb];W[da];B[ea];W[fa];B[da]C[W +1])))))
(;B[db];W[eb];B[ea];W[fa]
(;B[bb];W[da];B[ca];W[ea]C[W +4])
(;B[ca];W[da];B[bb];W[ea]C[W +4])
(;B[fb];W[da]
(;B[ca];W[ea];B[bb]C[W +5])
(;B[ba];W[ea];B[ca]C[W +5])
(;B[ga];W[bb];B[ea];W[ca];B[ab]C[W +15])))
(;B[fa];W[da];B[db];W[eb]
(;B[bb];W[ea];B[ca]C[W +5])
(;B[ea];W[bb];B[ca];W[ba];B[da];W[fb]
(;B[ga];W[gb]C[Your group is dead.])
(;B[ab];W[ga]C[W +15]))))