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Cube Trophy
3DC Tournament
 

SUNDAY, AUGUST 17, 2025 @ 1:45pm - 5:00pm

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​This FREE tournament is the final event in the series '3 Days of Chess', a series of chess events made possible through a grant from the Mayor's Office of Arts and Culture. The tournament is open to all chess players regardless of rating. Rated sections require USCF membership. In 2024 we had 75 players competing with 29 in the rated section and 46 in the unrated section.

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​​​Location:

​​​​​​​​​​​​​Civic Pavilion,

City Hall Plaza

5 Congress Street

Boston, MA 02203

Directly opposite Boston Public Market, on Government Center Side of Congress Street)

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TO REGISTER: 

On-Line Registration will close noon on Friday, August 15, 2025.

We may have additional spots available on the day depending on no-shows, cancellations and available space.

Turn up on the day no later than 1:30pm to be added to waitlist.

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LIST OF ENTRANTS: CLICK HERE

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​Format: 5SS, G10 d5

Tournament is 5 rounds with one game per round. Time controls are 10 minutes with 5 seconds delay per player.

Must be a USCF member to participate in the rated sections. No USCF membership required for unrated sections. 

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​Sections and Prizes

The tournament may have sub-sections depending on the number of entrants. Prizes may vary depending on the number of entrants in each section.

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​​Rated Sections (requires USCF membership):

Players will be split according to their USCF rating. If more than 24 rated players there will be Higher and Lower Rated Sections. If less than 24 players there will be just one section.

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  Higher Rated Section (Red) 

  1st: $75 Gift Card/Equivalent

  2nd: $50 Gift Card/Equivalent

  3rd: $25 Gift Card/Equivalent

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  Lower Rated Section (Yellow)

  1st: $50 Gift Card/Equivalent

  2nd: $30 Gift Card/Equivalent

  3rd: $20 Gift Card/Equivalent

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Unrated Sections (no USCF membership required)

Players will be split according to their estimated rapid rating.

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  Higher Unrated Section (Blue)

  1st, 2nd, 3rd: Medals

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  Lower Unrated Section (Green) 

  1st, 2nd, 3rd: Medals

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Round Times:

R1: 2:00pm, R2: 2:35pm, R3: 3:10pm, R4: 3:45pm, R5: 4:20pm

Rounds 2-5 may start sooner/later than scheduled.

Prize giving and closure will be after Round 5 has been completed, at approx at 5pm.

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Additional Information

  • Doors open at 1:15pm (45 mins before the tournament start)

  • On-site registration closes 30 minutes before Round 1​ (i.e. at 1:30pm)

  • Players not present and not checked in by 1:45pm may be removed from the tournament, or at the discretion of the touranment director given a first round half point bye.

  • No phones allowed during tournament play.

  • This event is financed through a grant from the Mayor's Office of Arts and Culture with assistance from JP Chess and Ocean State Chess Association​

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Safety and Notices

  • If you feel sick or have been in close contact with someone recently with COVID please do not attend the tournament.

  • The event is taking place in a public location. Please keep your belongings safe and with you at all times.

  • Parental supervision is required for all juniors.

  • Photography will happen at the event and may be used in social media posts.

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