| format | 12-round Swiss |
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| board size | 9×9 |
| rules | Chinese |
| komi | 7½ |
| time | 9 minutes plus 25/20s |
The first round started at 08:00 UTC.
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The numbers in these tables do not add up as you | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
We welcomed two new progams that have not competed in these events before. Kiseki is the work of Yasuo Hirooka, and gomorra9 is the work of Lars Schäfers.
Zengg9 is a version of Zen (created by 'Yamato') with enhancements by Hideki Kato.
PNUGo is a build of GNU Go, entered by Petr Baudiš.
Aloril entered his usual collection of weaker bots, and allowed me to remove IdiotBot if it would make the numbers even.
Break9 was registered at the start of the event, but this was my mistake. I removed it before round 2.
In round 1, ManyFaces2 did not join its game against kiseki, and lost by default.
Valkyria "trashed memory" and stopped playing in its game against CzechBot. It therefore
lost on time. It later (before round 3) restarted with changed time settings.
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| gomorra9 vs SimpleBot |
| At the end of the game. |
In the round 3 game SGF between gomorra9 and SimpleBot, Black and then White both passed in the position shown to the right. (This is the only time I recollect seeing a game end with a KGS "ko-forbidden" square on the board.) No agreement was reached on the status of the groups, and no further moves were made. I do not know how this happened. However the failure to achieve a result was holding up the whole tournament, so I counted the game, assigned the win to White (gomorra9), and killed the game so as to free up the players for the next round. My assigning the result means that the game is shown by KGS as "Forfeited"; this does not imply any fault by either of the players.
The round 5 game between Fuego and Zengg9 SGF was interesting. Fuego won: this was Zengg9's only loss in this event. As these players are now stronger than me on a 9×9 board, I do not feel qualified to comment on the game.
The round 6 game between kiseki and Fuego SGF was also interesting. Kiseki won.
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| kiseki vs WeakBot50k |
| After both players passed. |
In the round 8 game between kiseki and WeakBot50k SGF, they both passed in the position shown to the left. Kiseki does not support "final_status_list" and "kgs-genmove_cleanup" (note that it has already captured all the dead black stones inside its territory). Play then resumed for the clean-up, and kiseki managed this (pointlessly playing inside its opponent's territory) until it ran out of time, thereby losing a won game. I have this advice for any programmer whose program does not support clean-up properly: in the clean-up phase, capture any stone your opponent plays inside your territory, otherwise pass within 15 seconds. On KGS, if you pass within 15 seconds, no time is deducted. The worst thing you can do is make pointless moves slowly while behind on time.