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The 21st Pandanet Cup Internet World Amateur Go Tournament concurrently

Dec 23 (Fri) – Jan 15 (Sun): Preliminary Rounds

● Preliminary Rounds ●
If you click your area in your class, you can see your results.

Main Class

Asia & Oceania l  Europe & Africa l  North, Central & South America

A Class

Asia & Oceania l  Europe & Africa l  North, Central & South America

B Class

Asia & Oceania l  Europe & Africa l  North, Central & South America

C Class

Asia & Oceania l  Europe & Africa l  North, Central & South America

D Class

Asia & Oceania l  Europe & Africa l  North, Central & South America

Click to rules in the preliminary round.

Tournament Outline

A Main Class and Ranked Classes (A-D classes) will be held. All the participants in each class will compete in the preliminary round; players who win their way through the preliminaries will compete in a round to choose regional representatives, followed by the finals. Eight players (Asia & Oceania 4, Europe & Africa 2, North, Central & South America 2) will compete in the Main Class and four players in each of the Ranked Classes (Asia & Oceania 2, Europe & Africa 1, North, Central & South America 1).

Tournament name: The 21st Pandanet Cup Internet World Amateur Go Tournament
Organiser: Pandanet Inc.
Sponsorship:  The International Go Federation
Special cooperation:  World Pair Go Association

< Class >

There are five categories. One is the Main Class and the others are Ranked Classes.

• Main Class (You can participate in the Main Class regardless of your Go strength.)
• A Class (1d – 5d)
• B Class (1k – 5k)
• C Class (6k – 10k)
• D Class (11k –)

*If you are 6d or above, your class will be Main Class automatically.
*People who hope to participate in A~D Class and have not had their rank confirmed by Pandanet, need to play at least 20 games and have their rank confirmed by December 19. If a question mark appears next to the rank, it means the rank has not been officially confirmed by Pandanet.
* Participants will play with the rating as of December 20 (6 a.m. Japan time). Your class will be decided depending on the rating.

< Playing Rules >

Time allowanceThe time allowance is 10 minutes per side, with overtime of 25 moves every 15 minutes
Playing ConditionsAll games are played on even, with Black giving a komi of 6.5 points
ColorColors are determined by the system automatically

< Preliminary Rounds >

• Participants play freely at least six games in their Class room during the Preliminary Rounds. Participants are not allowed to play with the same person twice.

• Places will be decided by the following method of calculation. In the Main Class, 32 players (Asia & Oceania 16, Europe & Africa 8, North, Central & South America 8) will win their way through the preliminary rounds, and in the Ranked Classes 16 players (Asia & Oceania 8, Europe & Africa 4, North, Central & South America 4) will do so.

The ranking is determined by points in descending order.

1. Points = W / N + W x 0.02 (W = number of wins, N = number of games played)
Example: you win 3 out of 6 games, you collect 3/6 + 3 * 0.02 = 0.56 points.
Example: you win 4 out of 8 games, you collect 4/8 + 4 * 0.02 = 0.58 points.
2. With tied points, the player with higher number of wins is ranked higher.
3. With tied points and wins, the player with higher number of SOS (sum of opponents' scores) is ranked higher.
4. With tied points, wins, and SOS, the players are ranked equal.

Click here for details →

< Round to choose regional representatives >

• For players who win their way through the preliminaries, a two-round tournament in the region in which they won their way through the preliminary will be held.
• The pairings will be decided by the office by drawing lots.
• In the Main Class, eight players will pass through the preliminaries (Asia & Oceania 4, Europe & Africa 2, North, Central & South America 2), and in each of the Ranked Classes four players (Asia & Oceania 2, Europe & Africa 1, North, Central & South America 1) will qualify.

Click here for details →

< Final Rounds >

• In the Final Rounds, single eliminations are played until a champion is determined. The pairings will be decided by the office by drawing lots.
• In the All Classes, all rounds are rounds with mixed groups.
On the tournament day, games will be played within the specified time at the time agreed to by both players and will be conducted in the specified room.
Regarding the dates and times for Final Round games, please contact your opponents directly on the 'Net social plaza' page. In principle, please use Japan Standard Time (JST) when deciding the dates and times.
*NOTE: JST=GMT+9.

Click here for details →

Schedule

Nov 1 (Tue) – Dec 15 (Thu) : Registration
Dec 23 (Fri) – Jan 15 (Sun) : Preliminary Rounds
Jan 27 (Fri)– 28 (Sat) : Regional representatives
( Asia & Oceania, Europe & Africa, North, Central & South America)
Feb 23 (Mon) – Mar 5 (Sun) : Final Rounds (All Classes)

Regional representatives Schedule
(Asia & Oceania, Europe & Africa,North, Central & South America)

DateAsia & OceaniaEurope & AfricaNorth, Central &
South America
Jan 23 (Mon)Playing pairings will be update on the Pandanet web site
Jan 27 (Fri) -
28 (Sat)
1st round:
Jan 28, 2:00pm (JST)
2nd round:
Jan 28, 4:30pm (JST)
1st round:
Jan 28, 9:00am (CET)
2nd round:
Jan 28, 11:30am (CET)
1st round:
Jan 27, 7:00pm (PST)
2nd round:
Jan 27, 9:30pm (PST)

*JST=Japan Standard Time (GMT+9), CET=Central European Time (GMT+1), PST=Pacific Standard Time (GTM-8)

The game times in the Europe & Africa zone and the North, Central & South America zone have changed. Please be careful and make sure that you play at the right times. (Changes are given in red on the above-mentioned chart.)

Final Rounds Schedule(All Classes)

DateMain ClassA-D Classes
Feb 6 (Mon) Playing pairings will be update on the Pandanet web site
Feb 13 (Mon) – Feb 19 (Sun) Quarter finals-
Feb 20 (Mon) – Feb 26 (Sun)Semi-finals
Feb 27 (Mon) – Mar 5 (Sun)Finals

< Requirements for Participation >

  • Participant must be an amateur Go player.
  • Participant must be able to communicate by email in English.
  • People who hope to participate in A~D Class and have not had their rank confirmed by Pandanet, need to play at least 20 games and have their rank confirmed by December 19. If a question mark appears next to the rank, it means the rank has not been officially confirmed by Pandanet.
  • Participants in the Main Class are not required to have their rank verified.
  • Players in the BC (beginner class) are not allowed to participate.

< Notes >

  • All games must be exclusively played on the Pandanet server. Please use Pandanet's official clientGoPanda2 or Panda-Tetsuki. (Panda-Tetsuki is for iOS and android.)
  • Please play in the official Pandanet tournament room.
  • Please play games by yourself. Taking advice from a third person, or have a third person play instead of you, is against the rules.
  • In principle, your games should be played from your home. Please let the organizer know in advance in case you want to play at a location other than your home, such as a Go club where many people gather. The organizer may check the origin of your Internet connection.
  • If you lower your rank intentionally by losing games before the tournament, you will not be allowed to participate.
  • Please exchange greetings when starting and finishing your games. Insulting comments are strictly prohibited. If you are treated impolitely, please let the organizers know.
  • Please resign the game if you think there is no hope of winning, instead of dragging out the game.
  • Likewise, please don't tell your opponent to resign, even if your opponent is clearly losing. However, please let the organizers know if your opponent keeps playing useless moves and does not finish the game.
  • When the organizers finds out that you have violated the rules, you may be disqualified, even if the game result has been confirmed.
  • In the round to decide regional representatives and the finals, please contact the office as soon as possible if for unavoidable reasons you become unable to play on the appointed day.

Participation Fee

Free of charge

Prizes

Main Class

Winner
1. The 21st Pandanet Cup Internet World Amateur Go Tournamentant Champion title will be awarded by Pandanet.
2. JPY 200,000 (Commemorating the 20th anniversary of the commencement of Pandanet service!)

Runner-up
1. JPY 50,000

3rd to 16th place
Prizes

Ranked Classes (A-D Class)

1st to 8th place
Prizes

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