(;
GM[1]
SZ[19]
AW[dd][cf][qc][qd][qf][rf][dp][dn][jq]
AB[fc][jd][pc][pd][pe][og][qh][fq][mq][pp]
TR[mq]
C[Problem 128. White to play.  

Black has just played the marked stone. What should White do ?  

[You will find a supplement to this Problem Diagram as "Problem 148"] ]
(;W[eq]
TE[2]
C[Correct Answer.  

White should attach with 1 and ... ]
;B[fp]
C[... Black will respond with 2. ]
;W[jo]
C[White now jumps out into the open with 3 ... ]
;B[gm];W[jm]
C[... and 5. Although White's stones don't have eye shape, neither do Black's. <= ]
)
(;W[fn]
C[Failure.  

White 1 is the wrong direction. ]
;B[ip]
C[Black plays the shoulder hit of 2 and ... ]
;W[jp];B[io];W[jo];B[in];W[km];B[il]
TR[mq]
C[... escapes into the center up to 8. Because of the marked stone, White's stones are a bit cramped. <= ]
)
(;W[hq]
C[Failure.  

White 1 is inefficient. ]
;B[cq]
C[Black invades the corner with 2 and ... ]
;W[dq];B[dr];W[er];B[cr];W[eq];B[bo]
LB[jo:A][hq:1]
C[... lives with the sequence to 8. White's stones are overconcentrated. The stone at 1 would be better placed at A. <= ]
)
(;W[dq]
C[Failure.  

Defending the corner with 1 loses a tempo. ]
;B[ip]
C[Black attacks with the shoulder hit of 2. ]
;W[jp];B[io];W[iq];B[gp];W[lp];B[kn];W[mp];B[nq]
C[The sequence to Black 10 leaves the white stones heavy. <= ]
)
)