Contest ends April 30th
Winners
1.harper_cyril: 1 year Go4Go account
2.bigfish_97: Insei League (insei-league.com) room access for 1 month
3.gabriel.benmergui: 6 months Go4Go account or teaching game with breakfast on DGS

#4-#13 will get 1 month Go4Go account and 1 year pro account on goproblems.com
4.hikaruli1974
5.gisel88.gm
6.scole.gamer
7.thomas.cabaret
8.Vova-Odessa
9.zaleskas
10.biondyalfian
11.pierre_girard5
12.niezo49
13.DominikmeiersHP
To claim your pro account, please email adam@adum.com with your goproblems.com account name. For other prizes, please email backpast@gmail.com
The winning solutions: Problem 1 Problem 2 Problem 3

Introducing a Contest
Following joseki is easy... but what happens when your opponent veers offcourse? Will you know how to handle it?

We present a joseki contest: three real high-level games containing joseki mistakes. Find the mistakes, then the best refutations, and win fabulous prizes. Even if you are not a joseki expert, you will learn a lot from participating in this contest! Any questions? Post them.

Presenters
This contest is jointly presented by Alexandre Dinerchtein, a 3-dan professional, and Josekipedia. Dinerchtein will judge the submissions and prizes will be awarded on the best responses. After the contest is finished, the correct refutations to the joseki mistakes will be revealed and added to the Josekipedia database.

Prizes
1-place: 1 year Go4Go account
2-place: Insei League room access for 1 month
3-place: 6 months Go4Go account or teaching game with breakfast on DGS
4-10 places: 1 month Go4Go account
11-20 places: 1 year Goproblems.com pro account

The Problems
Click on a board image to download the SGF. Please email your answers in SGF format to backpast@gmail.com by April 30, 2010.