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12th term CosmOu League-A [R2000 or more]

Cosmou header

Tournament Info

81Dojo Official Tournament
Tournament organizer: InfinityV2 (2643) ☗11☗4☗10
Tournament format:  Round-robin
Displayed time zone: UTC
Tournament period: 2023-12-01 00:00 ~ 2024-01-20 00:00Playing
Game rule: Even game, Rated (15 min + 60 sec)
Game room host plays: Sente or gote (random)
URL to this tournament:
Diagram embed tag: <iframe src="">


1 mikiayuka (2018) 0
2 shunta32 (2119) 4
3 breakline (2314) 3
4 cryptogram (2304) 3
5 BmeerSbuschP (2181) 4
6 dorayaki3 (2099) 0
7 Binah (1998) 1
8 iongrey (2194) 3
9 lipengyu3 (2316) 10
10 81shogina (2049) 3
11 Ziruchan (2200) 13
12 applehamu (2166) 6
13 JiaJia (2229) 6
14 gogotogo811 (2277) 5
15 Shinoharas (2108) 0
16 Nontan0826 (2101) 0
17 haruto1127 (2144) 3

Recent gamesSee all

2023-12-10BmeerSbuschP ● - ○ haruto1127KifuGame
2023-12-0981shogina △ - △ JiaJiaKifuGame
2023-12-09lipengyu3 ○ - ● JiaJiaKifuGame
2023-12-09iongrey ○ - ● lipengyu3KifuGame
2023-12-08gogotogo811 ● - ○ JiaJiaKifuGame






予選 12月01日から1月20日の約50日 3リーグ制 予選突破は
本戦 2月1日から3月10日の約40日 二敗失格トーナメント 予選突破者の合計8名の2敗失格式トーナメント戦です。
A1位 |
C2位 |
A3位 |
B2位 |
A2位 |
C1位 |
A4位 |
B1位 |




○□/3 △/2 ●▲/1 ■◆/0
My name is InfinityV2 and I am the organizer of the CosmOu tournament.
Please take a moment to meet me.
Proposed game dates and times are displayed in UTC. If you would like to
make a suggestion, please enter it in "Japan time - 9 hours". We
apologize for the inconvenience and thank you in advance for your
[About Tournament Format]
Preliminary: About 50 days from December 1th to January 20th, 3 leagues. The number of qualifiers is:
A League: 4 players
B League: 2 players
C League: 2 players
Main Tournament: About 30 days from November 1 to November 30, double-elimination tournament. The total number is 7 players: qualifiers and last term’s “CosmOu” champion.
Title game between the winner of the final tournament and the winner of the Loser’s Resurrection Round.
Final Tournament
1st round
A 1st place
C 2nd place
A 3rd place
B 2nd place
A 2nd place
C 1st place
A 4th place
B 1st place
The winner of the title match will receive the title of "CosmOu" and 1,000 D-miles from 81 Dojo.
The loser of the title match will receive 500 D-miles.
The loser of the main tournament final will receive 300 D-miles.
The loser of the semi-fnimals of the main tournament will receive 100 D-miles.
The loser of the final of the Loser’s Resurrection Round will receive 250 D-miles.
The losers of the semi-finals of the Loser’s Resurrection Round will receive 50 D-miles.
[Preliminary Round]
R2000 or above... Group A
R1650 or above and below 1999... Group B
R1649 or below... Group C
○□/3 △/2 ●▲/1 ■◆/0
[Win By Default/Loss By Default]
If a player is 15 minutes later than the appointed time, the late player
will be declared loss by default.
In case of defiance after updating the decision, the player will be
(We apologize for the inconvenience, but please report to the
[Malicious acts, etc.]
If a participant's account is suspended during the tournament, he/she
will be disqualified.
If any abusive language or vandalism is observed, the participant will be disqualified.
If a participant ignores suggestions (3 or more suggestions made at least 3 days in advance), he/she will be declared loss by default.
If a participant refuses to play many games (without permission), he/she will be disqualified.
[Proposing a date and time]
Proposals for dates and times must be made at least 24 hours in advance.
Proposals made less than 24 hours in advance should be sent by mail or PM.
Please do not participate if you are above R2500.
If you are R2400 or above, please join after you have obtained a rank certificate.
If there is a player whom the organizer feels needs to be checked, we may request an investigation.

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