2025 Summer Tuesday Night Marathon
Welcome to our new website!
If you notice anything missing or in need of an update, feel free to let us know at chessroom@milibrary.org. We appreciate your feedback!
Top games are broadcasted on Chess.com:
https://www.chess.com/events/info/2025-mechanics-institute-tuesday-night-marathon
Register or Join Wait List Change Request Form
Info
- Date: Tue, Jul 8 - Tue, Aug 19, 2025
- Eligibility: Open to Everyone!
- Rating: USCF & FIDE
- Location: 57 Post Street, San Francisco, CA 94104
- Capacity: 100
Registration
- Online Registration Open Until: Tuesday, August 19: 6:30 pm
- Onsite Registration: every Tuesday 5:30-6:15pm
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Entry fee for Mechanics' Institute Members: $70
- Play-up fee: $15
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Entry fee for Non-Members: $100
- Play-up fee: $20
- Late fee: $10
- $5 admin fee for all cancellations & refunds.
Two ways to check your entries:
- Check the live entries on the Jumbula site here by clicking on the View Entries button.
- Check the processed entries here a day before the event.
Tournament Format
- Tournament Format: Swiss System
- Total Rounds: 7
- Time control: 90 min basetime + 30 sec increment
- Round Times: 7/8 6:30pm 7/15 6:30pm 7/22 6:30pm 7/29 6:30pm 8/5 6:30pm 8/12 6:30pm 8/19 6:30pm
- Sections: 2000+ 1600-1999 Under1600
Play-up "200-rating point rule":
- Players must have an 1800 USCF regular supplemental or actual regular rating to be eligible to play up to the 2000+ section.
- Players must have a 1400 USCF regular supplemental or actual regular rating to be eligible to play up to the 1600-1999 section.
US Chess rating will be used for section determination and pairings. FIDE or other ratings are only used if no US Chess rating is available.
Pairings are based on the July 2025 regular supplemental regular US Chess rating.
Prize Fund
Total Prize Fund: $2,400
- Prize explanations are coming after the event.
- Please allow 2-3 weeks for processing prize checks.
- Per IRS rules anyone with a cumulative $600+ prize in any calendar year will need to fill out a W9 and Mechanics' Institute will be providing a 1099 form.
Byes
Byes are available for players in any rounds if they can't participate that evening but would like to stay in the tournament.
- A maximum of three half-point byes can be requested in this tournament.
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Round 1 pairings will be done on Tuesday at 6:20 pm onsite. If you need a Round 1 bye, please email us by 4:00 pm.
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Round 2-6 byes must be requested before the pairing of the round by Monday, 6 pm. Pairings usually are posted shortly after 8 pm on Monday, the day before the round.
- Round 7 bye must be requested before the start of Round 5. Round 7 bye is irrevocable to prevent possible prize-fund manipulations.
- Late registrations will receive a half-point bye for any missed round, up to three rounds.
Eligibility
- Players must have current US Chess Federation membership. Expiration date of their US Chess membership must be later than the last day of the tournament.
- Not sure if you have a membership? Need to check the expiration date of your members? Visit: https://new.uschess.org/player-search
- Become a member or renew your membership: https://new.uschess.org/join-us-chessT
Tournament Rules
Our Pre-TNM Lecturers for the 2025 Summer TNM:
July 8 - GM Sam Shankland
July 15 -
- Forfeit time:
- 30 minutes without prior notice
- 60 minutes with prior notice. Please email to chessroom@milibrary.org or call us to request this!
A player will be awarded a forfeit win against any opponent who doesn't show up according to the prescribed rules, and every effort will be made to find that player an extra game.
- We provide clocks and set it up for players.
- Games will be US Chess and FIDE regular rated. Modified FIDE rules apply.
- What do the time controls mean?
Time controls tell you how much time you have for each game.
G90+30 means game in 90 minutes with a 30-second increment with each move. This means you get 90 minutes, your opponent gets 90 minutes, and with each move players get 30 seconds added to their clock.
Mechanics' Institute Chess Club reserves the right to update any details of this event (including but not limited to sections, time control, round times, prize fund, etc.) as we get closer to the event date to ensure an excellent tournament experience for players.
Rounds
Rounds are starting on time at Mechanics' so be sure to be on time. Clocks will not be delayed in starting for any reasons.
Round 1 games in pdf format. For pgn and view the games, please see above.
Standings
Pairings
- Pairings are posted on the wall of the club for Round 1 after pairing around 6:15pm.
- Pairings for Round 2 through Round 7 will be posted Monday around 8pm.
Pairings for Round 2. 2025 Summer TNM: 2000+
SwissSys Report: 2025 Summer TNM
Pairings for Round 2. 2025 Summer TNM: 1600-1999
SwissSys Report: 2025 Summer TNM
Pairings for Round 2. 2025 Summer TNM: Under 1600
SwissSys Report: 2025 Summer TNM
Pairings for Round 1. 2025 Summer TNM: Extra Rated
Bd | Res | White | Res | Black |
40 | 0 | Gurkirat Singh (unr. - 0.0 ) | 1 | Max Tsebrii (unr. - 0.0 ) |
41 | 0 | Alex Lilles (1644 - 0.0 ) | 1 | Felix Merk (1398 - 0.0 ) |