(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[9]KM[0.00] AW[dc][ec][fc][gc][ed][fe][he][ff][hf][gg][gh][ih][di][ei][gi]AB[cb][cc][cd][be][de][cf][ef][bg][eg][ah][ch][dh][eh][fh][bi]C[No komi, no prisoners yet - Black to win.] (;B[ea] (;W[fa] (;B[da] ;W[eb] ;B[fi] ;W[db] ;B[ca]TR[dc][ec][fc][gc]C[RIGHT You won by 1. When White has the 4 marked stones in place, 1st move bF9, followed by wF8, bD9, and wG9, is the generally recommended sequence, to allow the encroachment without losing sente. However, when the gote play is worth more than 4 points, wE9 is 2 points worse for Black than wG9. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.]) (;B[db] ;W[eb] ;B[fi] ;W[da] ;B[ca] ;W[ea]C[Only jigo. Your 1st move was correct, and could have allowed a win by 1, but your 2nd should have been at 'D9' rather than 'D8'.]) (;B[fi] ;W[da] ;B[db] ;W[eb] ;B[ca] ;W[ea]C[Only jigo. Your 1st move was correct, and could have allowed a win by 1, but your 2nd should have been at 'D9' rather than 'F1'.])) (;W[fb]C[White does not play this as F9 is 1 point better.] ;B[fi] ;W[db] ;B[da] ;W[fa]C[B +2]) (;W[da]C[White does not play this as F9 is 2 points better.] ;B[db] ;W[eb] ;B[fa] ;W[ga] ;B[ca] ;W[fb] ;B[fi] ;W[da] ;B[ea]C[B +3]) (;W[eb]C[White does not play this as F9 is 2 points better.] ;B[fa] ;W[ga] ;B[da] ;W[fb] ;B[fi] ;W[db] ;B[ca]C[B +3]) (;W[db]C[White does not play this as F9 is 2 points better.] ;B[da] ;W[fb] ;B[fa] ;W[ga] ;B[fi]C[B +3]) (;W[fi]C[The value of the gote move (5 points) is too small for W to ignore the encroachment.] ;B[ga] ;W[db] ;B[da] ;W[fb] ;B[fa] ;W[hb] ;B[ha] ;W[ib] ;B[gb] ;W[hc]C[B +4])) (;B[fa] (;W[fb] (;B[ea] (;W[ga] (;B[db] (;W[eb] (;B[fi] ;W[da] ;B[ca] ;W[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]) (;B[da]CR[da] ;W[fi]CR[fi]C[You lost by 1. The small monkey jump to 'E9' allows a 1 point win.])) (;W[fi] ;B[eb]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.])) (;B[fi] ;W[da] ;B[db] ;W[eb] ;B[ca] ;W[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.])) (;W[da]C[White does not play this as G9 is 1 point better.] ;B[db] ;W[ga] ;B[eb] ;W[fi]C[B +1])) (;B[da] (;W[ea] (;B[eb] (;W[ga] (;B[fi] ;W[db] ;B[ca] ;W[ea]TR[dc][ec][fc][gc]C[Only jigo. Your 1st 2 moves are the generally recommended play when the 4 marked stones are in place, to allow the encroachment without losing sente; after which White is supposed to play outside hane at 'G9' (this would lead to a better result by 1 for Black than the solution). However, when the gote play is worth more than 4 points, the White throw-in at 'E9' is 2 points worse for Black than wG9. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.]) (;B[db] ;W[fi] ;B[ea]TR[dc][ec][fc][gc]C[Only jigo. Your 1st 2 moves are the generally recommended play when the 4 marked stones are in place, to allow the encroachment without losing sente; after which White is supposed to play outside hane at 'G9' (this would lead to a better result by 1 for Black than the solution). However, when the gote play is worth more than 4 points, the White throw-in at 'E9' is 2 points worse for Black than wG9. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.]) (;B[ea] ;W[db] ;B[ca] ;W[fi]TR[dc][ec][fc][gc]C[You lost by 1. Your 1st 2 moves are the generally recommended play when the 4 marked stones are in place, to allow the encroachment without losing sente; after which White is supposed to play outside hane at 'G9' (this would lead to a better result by 1 for Black than the solution). However, when the gote play is worth more than 4 points, the White throw-in at 'E9' is 2 points worse for Black than wG9. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.])) (;W[db]C[W does not play this as B can choose between a damaging ko for W or the same result as wG9, so W plays G9 here as simpler.] (;B[fi] ;W[ea] ;B[ca] ;W[ga]C[Jigo]) (;B[ea] ;W[ga] ;B[ca] ;W[fi]C[W +1]) (;B[ga] ;W[ea]C[If B could win this ko, the result would be bad for W. If B cannot win the ko, the sequence is 1 point worse for B than the previous move being at F1, instead of G9.] ;B[ca] ;W[eb] ;B[fi]C[W +1]))) (;B[fi] ;W[db] (;B[eb] ;W[ga] ;B[ca] ;W[ea]TR[dc][ec][fc][gc]C[Only jigo. Your 1st 2 moves are the generally recommended play when the 4 marked stones are in place, to allow the encroachment without losing sente; after which White is supposed to play outside hane at 'G9' (this would lead to a better result by 1 for Black than the solution). However, when the gote play is worth more than 4 points, the White throw-in at 'E9' is 2 points worse for Black than wG9. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.]) (;B[ca] ;W[ga]TR[dc][ec][fc][gc]C[Only jigo. Your 1st 2 moves are the generally recommended play when the 4 marked stones are in place, to allow the encroachment without losing sente; after which White is supposed to play outside hane at 'G9' (this would lead to a better result by 1 for Black than the solution). However, when the gote play is worth more than 4 points, the White throw-in at 'E9' is 2 points worse for Black than wG9. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.])) (;B[db] (;W[fi] ;B[eb] ;W[ga] ;B[ea]TR[dc][ec][fc][gc]C[Only jigo. Your 1st 2 moves are the generally recommended play when the 4 marked stones are in place, to allow the encroachment without losing sente; after which White is supposed to play outside hane at 'G9' (this would lead to a better result by 1 for Black than the solution). However, when the gote play is worth more than 4 points, the White throw-in at 'E9' is 2 points worse for Black than wG9. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.]) (;W[eb]C[W does not play this as F1 is 1 point better.] ;B[fi]C[B +1]))) (;W[ga]LB[ea:x][ga:y]TR[dc][ec][fc][gc]C[When the 4 marked stones are in place, this outside hane at 'y' is the usually recommended reply to bD9. However, the throw-in at 'x' instead, is 2 points better for White when the gote move is worth more than 4 points. Because of this, if sente after both positions are played out is worth nothing, the small monkey jump to 'E9' is the sole best 1st move.] ;B[fi] ;W[ea] ;B[db] ;W[eb]C[B +2])) (;B[fi] (;W[da] ;B[db] ;W[eb] ;B[ca] ;W[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]) (;W[db] ;B[da] ;W[ea] ;B[eb] ;W[ga] ;B[ca] ;W[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]))) (;W[ga]C[W does not play this as F9 is 2 points better.] (;B[da] ;W[fb] ;B[fi] ;W[ea] ;B[db] ;W[eb]C[B +2]) (;B[ea] ;W[fb] ;B[db] ;W[fi] ;B[eb]C[Jigo])) (;W[eb]C[W does not play this as F9 is 3 points better.] ;B[ea] ;W[da] ;B[db] ;W[ga] ;B[ca] ;W[fb] ;B[fi] ;W[da] ;B[ea]C[B +3]) (;W[da]C[W does not play this as F8 is 3 points better.] ;B[db] ;W[eb] ;B[ea] ;W[ga] ;B[ca] ;W[fb] ;B[fi] ;W[da] ;B[ea]C[B +3]) (;W[fi]C[The value of the gote move (5 points) is too small for W to ignore the encroachment.] ;B[ha] ;W[db] ;B[da] ;W[eb] ;B[ea] ;W[gb] ;B[ga] ;W[hb] ;B[ib] ;W[ic] ;B[ia]C[B +4])) (;B[da] (;W[ea] (;B[db] (;W[fi] ;B[eb] ;W[fb] ;B[fa] ;W[ga] ;B[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]) (;W[eb]C[W does not play this as F1 is 1 point better.] ;B[fi]C[B +1])) (;B[eb] ;W[fb] (;B[fa] (;W[ga] (;B[fi] ;W[db] ;B[ca] ;W[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]) (;B[db] ;W[fi] ;B[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]) (;B[ea] ;W[db] ;B[ca] ;W[fi]C[You lost by 1. The small monkey jump to 'E9' allows a 1 point win.])) (;W[db]C[W does not play this as B can choose between a damaging ko for W or the same result as wG9, so W plays G9 here as simpler.] (;B[fi] ;W[ea] ;B[ca] ;W[ga]C[Jigo]) (;B[ea] ;W[ga] ;B[ca] ;W[fi]C[W +1]) (;B[ga] ;W[ea]C[If B could win this ko, the result would be bad for W. If B cannot win the ko, the sequence is 1 point worse for B than the previous move being at F1, instead of G9.] ;B[ca] ;W[eb] ;B[fi]C[W +1]))) (;B[db] (;W[fi] ;B[fa] ;W[ga] ;B[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]) (;W[fa]C[W does not play this as F1 is 3 points better.] ;B[fi]C[B +3])) (;B[fi] ;W[db] ;B[ca]C[You lost by 1. The small monkey jump to 'E9' allows a 1 point win.])) (;B[fi] ;W[db] ;B[ca]C[You lost by 1. The small monkey jump to 'E9' allows a 1 point win.])) (;W[eb]C[W does not play this as E9 is 1 point better.] ;B[ea] ;W[fa] ;B[fi] ;W[db] ;B[ca]C[B +1]) (;W[fi]C[The value of the gote move (5 points) is too small for W to ignore the encroachment.] ;B[fa] ;W[eb] ;B[ea] ;W[gb] ;B[ga] ;W[hb] ;B[ha] ;W[ib] ;B[db]C[B +4])) (;B[db] (;W[eb] (;B[fi] ;W[da] ;B[ca] ;W[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.]) (;B[ea] ;W[fa] ;B[fi] ;W[da] ;B[ca] ;W[ea]C[Only jigo. The small monkey jump to 'E9' allows a 1 point win.])) (;W[fi]C[W does not play this as E8 is 2 points better.] ;B[ga] ;W[ha] ;B[ea] (;W[eb] ;B[fa] ;W[hb]C[B +2]) (;W[hb]C[W does not play this as E8 is 1 point better (although with loss of sente which does not matter here.] ;B[eb] ;W[gb] ;B[fa]C[B +3]))) (;B[fi] ;W[db] ;B[da] ;W[ea] ;B[ca]C[You lost by 1. A small monkey jump to 'E9' allows a 1 point win. The capture would have to be worth 10 points for 1st move 'F1' to be a solution. More than 10, and starting at 'F1' would be the sole best move.]))