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 Post subject: IgowinLife Tsumego #1 Posted: Sat Feb 18, 2012 1:06 am
 Beginner

Posts: 4
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Was liked: 0
Rank: IGS 16k
IGS: Angel0
Hi all!

Playing with IgowinLife, around level 70/80, I found this problem:

[go]\$\$Wc
\$\$-------------------
\$\$ . X O . . . . . . |
\$\$ . X O O . . . X . |
\$\$ . X X . O O O X . |
\$\$ . . . X X X X . . |
\$\$ . . . . . . . . . |[/go]

My solution was:

[go]\$\$Wc
\$\$-------------------
\$\$ . X O . 1 5 2 . . |
\$\$ . X O O . 3 4 X . |
\$\$ . X X . O O O X . |
\$\$ . . . X X X X . . |
\$\$ . . . . . . . . . |[/go]

The program says that it's wrong...or better..it works, but it's a 1/2 point less than the correct solution. I worked a little in finding a solution ending in sente, but i get only "wrong" answer.
It is worth saying that the first move is marked as correct, then Q18 is wrong, as well as Q19 and other obviuos placements.

May you suggest some hints??

Thank you!

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 Post subject: Re: IgowinLife Tsumego #2 Posted: Sat Feb 18, 2012 2:19 am
 Lives in sente

Posts: 914
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Rank: OGS 2k
KGS: illluck
Tygem: Trickprey
OGS: illluck
Try to remove the black point at S19.

Note, however, that black 4 in your diagram is gote (which is the reason why the correct move is only 1/2 of a point better).

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