(;
AB[ha][hb][hc][hd][he][ra][cb][db][mb][ob][oc][qb][sb][bc][bd][be][bf][bg][rc][rd][re][rf][gd][ld][md][nd][le][cf][hg][lg][qh][dk][dl][dm][kl][ll][ml][ol][pl][bm][mm][mn][mo][cn][qn][qo][qp][qq][qr][qs][rn][cp][dp][lp][np][eq][er][es][cr][ps]
AW[ga][gb][gc][pb][pc][cc][dc][ec][qc][qd][qe][qf][qg][fd][fe][od][oe][ce][de][ge][me][ne][df][cg][ch][fg][ng][pg][rg][bh][eh][el][em][en][hm][lm][ln][lo][om][pm][qm][rm][dn][gn][pn][po][pp][pq][pr][ep][fp][kp][mp][mq][fq][fr][fs][nq][nr][os]
PL[B]
C[Which corner has the biggest endgame play?
A, B, C, D?

Source:
    "Odd Man Out" (endgame tutorial)
    Ogawa Tomoko 4p
    Go World #20, P. 56]
LB[eb:A][pa:B][no:C][do:D]
(;
W[do]
C[Now Black will probably tenuki, so ...]
PL[W];
W[co];B[bo]
)
    (;
    B[do]
    C[Similarly for Black taking this point, White will probably tenuki, so ...]
    PL[B];
    B[eo];W[fo]
    C[The difference in territory for both sides is 2 points, so the play at D is worth 4 points.]
    )
    (;
    W[no];B[nn];W[oo]
    C[White ends in gote, and (based on the following variation for Black) can count 4 points, viz., the marked points and 2 points for the capture of a stone.]
    TR[op][oq]
    )
    (;
    B[no]
    PL[B]
    C[Later, after Black connects, ...];
    B[op];W[oq]
    C[... this sente exchange for Black is a reasonable assumption.]
    )
    (;
    W[pa]
    C[White plays here in gote, but later, ...]
    PL[W];
    W[qa];B[rb];W[oa];B[na]
    C[... White has 2 sente plays.  So although, White doesn't make any territory, Black loses 4 points, as the following variation shows.]
    )
    (;
    B[pa]
    TR[na][oa][qa][rb]
    C[Black taking this point can count the 4 marked points as territory.]
    )
    (;
    W[eb]
    PL[W]
    C[The best of the 4 corner plays.  This play is worth 6 points.

This play is gote, but ...];
    W[da]
    C[... later, White has this sente play.];
    B[ba];W[ea]
    C[And at the end of the game, this exchange occurs.];
    B[ca]
    TR[fa][fb][fc]
    C[White can count the 3 marked points.  But the see the variation for Black going first.]
    )
    (;
    B[eb]
    C[This play is gote, but Black is guaranteed at least the following sequence.];
    W[fb];B[ea]
    TR[ba][ca][da]
    C[Now Black can count the 3 marked points as territory.  Note that White cannot count a point at A.

So overall, this corner play is worth 6 (=3+3) points.]
    LB[fc:A]
    )
)

