Japan Chess Championship 2024 -The 25th Argentina Cup-



  • Date(s): Thu, 2 May 2024 – Mon (Holiday), 6 May 2024
  • Venue: Shinagawa Ward General Kumin Hall “Curian” 6F Large Conference Room
    5-18-1 Higashi-Oi, Shinagawa-ku, Tokyo (地図) https://www.shinagawa-culture.or.jp/curian/access.html
    2 min walk from Oimachi Station on JR Keihin-Tohoku Line, Tokyu Oimachi Line & Rinkai-sen
    15 min walk from Aomono-Yokocho Station on Keihin-Kyuko Line
  • Format: 9R Swiss, 90min+30sec/move, National & FIDE Standard Rated


  • Entry Criteria: Those who satisfy (1) and (2)
    (1)Entry criteria: Japan Chess Federation Yearly Members only (1-time Tournament Member is not allowed)
    Members must make sure that their membership is valid until the day of the tournament. If you are not a member, purchase tickets through Peatix and complete the membership registration as soon as possible.

    (2)Must be a seeded player in the Japan Chess Championship 2024
    ※Reference: Japan Chess Championship 2024 Qualifiers List
  • Entry Fee: 20,000 yen
  • Registration: Purchase tickets through [Peatix] during the registration period.
    The registration URL will be sent separately to the seeded players in early March.
    (It will be sent sequentially to the players seeded after that.)
    Entries are accepted from the day when the above mail is sent to 23:59 on Thursday, April 25 2024



Thursday, May 2

09:20-10:00 Check-in

10:00 Opening Ceremony

10:30 R1

16:00 R2


Friday (Holiday), May 3

09:30 R3

15:00 R4


Saturday (Holiday), May4

09:30 R5

15:00 R6


Sunday (Holiday), May 5

09:30 R7

15:00 R8


Monday (Holiday), May 6

10:00 R9

15:00 Prize Giving



  • Prize money and prizes


Awards will be given to the first through 10th place winners. The prizes will be awarded as follows


1st place: 100,000 yen, a plaque, Argentinean wine, and ChessMood Prizes.

2nd place: 50,000 yen, plaque, Argentinean wine, and ChessMood Prizes.

3rd place: 40,000 yen, plaque, Argentinean wine, and ChessMood Prizes.

4th place: 30,000 yen, plaque and Argentinean wine. 

5th place: 20,000 yen, plaque and Argentinean wine. 

6th-10th place: 10,000 yen and plaque


1st women’s, 1st youth (U18), 1st senior (O50): Plaque


However, all of these prizes will be given to the winners of the first through fifth places, except for the winners of the first through fifth places in each case.


  • Other items to be awarded


The highest ranked Japanese chess national will be recognized as the All-Japan Chess Champion and will receive the Argentina Cup from the Embassy of Argentina.


The top five finishers and the first-place finishers in each of the Women’s, Junior, and Senior Chess Tournaments will be seeded for the Japan Chess Championship 2025.


The top one Japanese chess national will be informally selected to represent Japan at the 2026 Chess Olympiad. 

For details, see “Selection Criteria for the Japanese Representatives for the Chess Olympiad 2024 onwards“.


The selection of players to be sent to international competitions held after this competition will be based on the results of this competition among Japanese chess nationals.


Tie-breaks will be used to determine winners. No two players will share the prize.


Other Regulations

Tournament Rules

  • Tie-breaks:
  1. Buchholz Cut-1 (Sum of the opponents’ points excluding the lowest)
  2. Buchholz (Sum of the opponents’ points)
  3. Sonneborn-Berger (Sum of the defeated opponents’ points and halves of drawn opponents’ points)
  4. Sum of the ratings of the opponents
  5. Drawing of lots
  • Default time: If any player is not present within 30min after the game starts, she/he shall lose the game by default. The game is not rated.
  • Pre-registered Byes: Bye requests will be accepted until 18:00 on the day before the tournament by filling in the Bye Request Form. 0.5 points will be awarded for pre-requested Byes, and 0 points for Bye requested after the deadline. The requested Bye for the final 2 rounds shall be given 0 points. If a player has more than 3 requested byes, the player will not qualify for prizes, nor qualify for Japan Chess Championship 2025.
  • Pairing-allocated bye will be one point.
  • Pairings of the first round will be published between 18:00 and 24:00 on the day before the tournament.
  • If you wish to declare a bye or cancel your participation in the tournament after the closing time of the previous day, please contact japanchess.info@gmail.com .
  • If a player missed the last round without prior Bye report,  and does not contact the above address by email before the pairings of the next round is published, he/she will be disqualified and will be excluded from the tournament.
  • The organizer will provide chess equipment including clocks and score sheets. Players must use them.
  • Players must record all moves. Once the game is finished, both players sign both score sheets and hand over the original score sheets to the arbiters. Make sure the results are correct before signing.
  • All electronic devices including smartphones, tablets or smartwatches must be turned off and stored away. Players are not allowed to keep it on him/her or take it outside of the venue in a bag. When a player breaks these rules, his/her game shall be immediately lost. It is forbidden for anybody to use a mobile phone or any kind of communication device in the playing venue.
  • The pairings will be done in order of  the FIDE ratings, the National ratings, titles, and the alphabetical order of the players.
  • The tournament will follow FIDE rules unless otherwise stated above. For example, an illegal move will be penalised and the second illegal move will result in the loss of the game. Pressing the clock by mistake or pressing it with the other hand which touched the pieces will also be judged as an illegal move.


Media Related Rules

  • The tournament results will be posted on the Internet (chess-results.com) for reporting purposes. The game record may also be published on the Internet. 
  • Participants agree to the publication of their real names, results, and game records.
  • Observers are allowed to take photos for the first 10 minutes of each round. No photos are allowed after 10 minutes, except for the case with special permission.
  • Individuals who wish to use photos or videos of participants (during games, award ceremonies, etc.) must be careful to protect their privacy. In addition to obtaining comprehensive consent in advance, for example, in the case of minors, the permission of their guardians must be obtained, and due consideration must be given to the protection of personal information and portrait rights.
  • The organizer will take photos, record videos, and broadcast the event live. These may be published and used in media such as websites, SNS, video sites, and journals managed by the Japan Chess Federation. Participants shall agree to the publication and live broadcast of these photos and videos.

COVID-19 Related Rules


Other Rules

  • The organizer reserves the right for changing the above rules with adequate reason before the first round starts.
  • Due to the spread of coronavirus infection or other unforeseeable reasons, there may be unavoidable changes to the duration of the rounds or the event may be cancelled.
  • Cancellation must be noticed to japanchess.info@gmail.com. If cancellation is made 8-days before the registration deadline and the number of participants has not reached the maximum number, a refund will be made. We do not refund from 7-days before the registration deadline. We do not refund once the number of applicants has reached the maximum.
  • The Japan Chess Federation shall not be responsible for any troubles between individuals.
  • If there is a discrepancy between English and Japanese, the Japanese version prevails.



Japan Chess Federation



Embassy of the Argentine Republic in Japan







COVID-19 Guidelines 4th Edition


Chess-Results (participants list)