(
;
FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.29]
AB[bc][bd][dc][db][ea]
AW[be][cd][de][ed][ec][eb][gb]
GN[temp]
(
;
B[ab]
;
W[ba]
;
B[ad]
;
W[cb]
;
B[cc]
;
W[da]
(
;
B[bb]
;
W[fa]
LB[ca:a]
C[play a if you think its ko]
(
;
B[aa]
C[RIGHT alive]
)
(
;
B[ca]
C[nope. Actually it's not the move itself that is wrong, but the intention of playing ko is wrong. Even if you
see that your group is now alive, you've given white an extra ko threat at a which black has to answer at b.]
LB[cb:a][aa:b]
)
)
(
;
B[aa]
;
W[fa]
;
B[bb]
C[RIGHT]
)
(
;
B[ca]
C[This move is not really wrong, but I decided to penalize the intention of playing ko.]
)
)
(
;
B[cc]
;
W[ad]
C[dead ( this is the L-shape. make shure you understand why it's dead)]
)
(
;
B[ba]
;
W[cc]
;
B[cb]
;
W[ab]
LB[bb:a][da:b]
C[dead ( a and b are miai )]
)
(
;
B[ad]
;
W[cc]
;
B[cb]
;
W[ab]
;
B[bb]
LB[ba:a][da:b]
C[dead as it stands. (a and b are miai)]
)
)