Notice Tournament Info

Japan Senior Chess Championship 2025

03-07-2025
Yumi Harashima

Regulations

Dates/Venue/Format

Date(s): Sat, 16 August 2025 – Sun, 17 August 2025

Venue: Shinagawa Ward General Kumin Hall “Curian” 

5-18-1 Higashi-Oi, Shinagawa-ku, Tokyo (MAP) 

About 2 min walk from Oimachi Station on JR Keihin-Tohoku Line, Tokyu Oimachi Line & Rinkai-sen

Format: 6R Swiss, 45min+30sec/move, National Standard Rated

 

Registration

Entry criteria: Japan Chess Federation members over 50 only (Yearly Members)
*Players who have reached 50 on January 1st, 2026. Those born in or before 1975.

Entry Fee: ¥7,000

Registration: Purchase E-tickets through [Peatix] during the registration period.（Limit: 50 players)

*The QR code displayed on the E-ticket must be presented at check-in. 

Registration Period: From 18:00 on Thursday, July 3 to 23:59 on Saturday, August 9 2025

 

Schedule

Saturday, August 16

09:40-10:10 Check-in

10:10 Opening Ceremony

10:30 R1

14:00 R2

17:00 R3

 

Sunday, August 17

09:30 R4

13:00 R5

16:00 R6

19:00 Prize Giving

 

Prize

The title of the Japan Senior Chess Champion shall be awarded only to the highest-ranked Japan chess nationalities player.

 

  • Plaques for top three finishers, certificates for 4th and 5th finishers.
  • Certificates for the top three finishers in the 65 and over (O65) age group respectively, with a plaque for first place.
  • Tiebreakers will be used to determine the standings.
  • The top two finishers among Japanese chess nationalities will be qualified for the Japan Chess Championships 2026.
  • This tournament will also serve as the selection event for Japan’s representatives and invited players for international tournaments until the next Japan Senior Chess Championship.

 

Other Regulations

Tournament Rules

  • Tie-breaks:
  1. Direct Encounter (If all the tied players have met each other, the sum of points from these encounters is used)
  2. Buchholz Cut-1 (Sum of the opponents’ points excluding the lowest)
  3. Buchholz (Sum of the opponents’ points)
  4. Sonneborn-Berger (Sum of the defeated opponents’ points and halves of drawn opponents’ points)
  5. Sum of the ratings of the opponents
  6. Drawing of lots

 

  • Default time: If any player is not present within 10 min 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 2 requested byes, the player will not qualify for prizes and Japan Chess Championships.

 

  • 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 want to request bye(s) or cancel your participation in the tournament after the deadline of the previous day, please contact japanchess.info@gmail.com.
    Any player who is absent from a round without pre-registered bye and has not sent an e-mail to the above address by the end of all games in the round will be disqualified from the tournament.
    Refer to Cancellation Policy if required.

 

  • 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.

However, if you must carry an electronic device such as a cell phone during the game due to unavoidable circumstances, please send an e-mail to japanchess.info@gmail.com with the reason for your request when you register. The organizer will permit the possession of such a device only if it is approved by the organizer after taking the circumstances into consideration.

 

  • The pairings will be done in order of the National ratings, FIDE ratings, titles, and the alphabetical order of the players.

 

  • The tournament will follow FIDE rules unless otherwise stated above.

 

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 Japan Chess Federation, or provided to the mass media in case of interviews. Participants shall agree to the publication and live broadcast of these photos and videos.

 

Other Rules

  • The organizer reserves the right for changing the above rules with adequate reason before the first round starts.

 

  • Please ensure that you can receive emails from the Japan Chess Federation (japanchess.info@gmail.com). Inquiries regarding eligibility and other matters sent from this address must be answered promptly. Failure to respond may result in cancellation of participation.

 

  • 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.

 

  • If a player has a high temperature or is feeling sick, the player must tell the staff and get out of the venue immediately. If the organizer determines that the player is sick, the organizer may order the player to get out.

 

  • Players may put on their masks at their own disposal. Even in cases where the player does not have a bad physical condition,the participants may be asked to wear a new mask if they have symptoms such as coughing or sneezing due to hay fever or other allergies.

 

  • Follow the rules set by the tournament venue (‘’Curian’’).

 

  • 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.

 

Cancellation Policy

If you wish to cancel your participation in the tournament, you must notify us via email at japanchess.info@gmail.com .　

  • Cancellations made by 23:59 on Friday. August 8, 2025: Full refund
    * If the tournament has not reached full capacity – Full refund
    * If the tournament has reached full capacity – No refund
  • Cancellations made after Saturday August 9, 2025:
    * No refund under any circumstances

If the tournament is canceled due to natural disasters or organizer-related reasons, alternative measures will be considered.

All refunds will be processed according to Peatix’s regulations.

 

Organizer


Japan Chess Federation

 

Sponsors

 

 

Reference

Chess-Results (participants list)