(;
AB[eb][ec][pb][dd][de][df][jd][pd][pf][bg][bh][cg][fg][hg][qg][eh][gh][jh][fi][fj][dj][gj][jj][nj][pj][ck][cl][ml][mm][mn][ql][dp][ep][fp][hp][jp][op][pp][cq][cr][nq][qq][qr][br]
AW[fc][fd][fe][nc][qe][ef][eg][gf][gg][jf][mf][dg][dh][ch][ci][lh][ph][qh][bi][lj][gk][dl][dm][ll][lm][gn][on][qn][co][cp][do][po][ro][qp][bq][rq]
TR[qe]
C[Black's response to White's marked peep?

Source:
    "9-Stone Teaching Game"
    James Kerwin 1P
    American Go Journal, 2003 yearbook, pp. 14-15];
B[pe]
C[Connecting here is fine.];
W[rg]
C[But what does Black do after White hanes here?]
(;
B[rf]
C[This must-know hane tesuji sequence is correct.  See the variation for the actual game move.];
W[qf];B[re]
C[The key move.]
(;
W[pg];B[qd]
C[Black gives up a stone, but makes good shape.  White still has a big uphill battle to win this handicap game.]
)
    (;
    W[qd];B[pg];W[rh];B[rd]
    C[White cannot save the 3 stones.]
    )
)
    (;
    B[qf]
    C[Game move and a mistake.];
    W[rf]
    C[White is happy to extend.];
    B[re];W[qc]
    C[The game sequence follows.];
    B[qd];W[pc]
    C[The top right corner territory turns into White's territory.  Compare this position with the main line.]
    )
)

