Mechanics' Weekend Rapid - 2025 Oct

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Top 6 boards are broadcasted on Chess.com: https://www.chess.com/events/mechanics-weekend-rapid-2025-oct


Register or Join Wait List Change Request Form

Info

  • Date: Sun, Oct 26 , 2025
  • Eligibility: Open to Everyone!
  • Rating: USCF & FIDE
  • Location: Mechanics' Institute, 4th Floor, 57 Post Street, San Francisco, CA 94104
  • Capacity: 80

Registration

  • Online Registration Open Until: Sunday, October 26: 10:00 am
  • Onsite Registration: 9:30-9:45am
  • Entry fee for Mechanics' Institute Members: $25
    • Play-up fee: $10
  • Entry fee for Non-Members: $30
    • Play-up fee: $15
  • Late fee: $10
  • $5 admin fee for all cancellations & refunds.
  • Two ways to check your entries:
    • Check the live entries on the Jumbula page.
    • Check the processed entries here a day before the event.
  • Please note our late fee may be in effect and is usually added 24 hours before the start of a tournament in case capacity reaches 90%.

Tournament Format

  • Tournament Format: Swiss System
  • Total Rounds: 5
  • Time control: 15 min basetime + 3 sec increment
  • Round Times: 10/26 10:00am 10:45pm 11:30pm 12:15pm 1:00pm
  • Sections: 1800+ Under1800

Play-up "200-rating point rule":

  • Players must have an 1600 USCF regular supplemental or actual regular rating to be eligible to play up to the 1800+ 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 Oct 2025 regular supplemental regular US Chess rating.

 

Prize Fund

  • 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. 
  • Prize Fund:

    • $400 based on 40 paid entries
    • Actual Payout: $300 based on 30 paid entries -- 75% payout.
  1800+ u1800
  Projected Actual Projected Actual
1st Place 125 94 75 56
2nd Place 75 56 50 38
3rd Place 50 38 25 19

Prizes: Mechanics' Weekend Rapid - 2025 Oct

# Name Cash Prize credited to pool Section
1 Daniel Cremisi (4.5/2355) 94.00 Place: 1 - $94 1800+
8 Benito Kestelman (3.5/1839) 31.33 Place: 2 - $56;
Place: 3 - $38;
3-way split of $94: $31.33 each
10 Beckett Spence (3.5/1812) 31.33
11 Mikhail Grigorev (3.5/1808) 31.33
2 Toma Yuen (4.0/1742) 62.66 Place: 1 - $94;
Place: 2 - $56;
Place: 3 - $38;
3-way split of $188: $62.66 each
U1800
3 Max Katkin Meacham (4.0/1711) 62.66
5 Phil Ploquin (4.0/1681) 62.66

 

Byes

  • Byes are available for players in any round in case they can't participate but would like to stay in the tournament.
  • Byes can be requested up to 15 minutes prior to the round start time.
  • Last round bye must be requested by the start of Round 1.
  • Late registrations will receive a 0.5 bye for any missed round, up to a total of 2 rounds.

Eligibility

Tournament Rules

  • Forfeit time: 15 minutes. 
  • We provide clocks and set it up for players.
  • Games will be US Chess and FIDE blitz rated. Modified FIDE rules apply.
     
  • What do the time controls mean?
    Time controls tell you how much time you have for each game.
    G/15+3 means game in 15 minutes with a 3-second increment with each move. This means you get 15 minutes, your opponent gets 15 minutes, and with each move players get 3 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.

Standings

Processed entries are coming 1 day before the event starts.

Final standings will be posted after the event is finished.

SwissSys Standings. Mechanics' Weekend Rapid - 2025 Oct: 1800+

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Total Prize
1 Daniel Cremisi 14543654 2355 W5 W8 W6 W3 D2 4.5 94.00
2 Benito Kestelman 13738904 1839 L6 W5 W9 W11 D1 3.5 31.33
3 Beckett Spence 31980852 1812 W7 D11 W4 L1 W8 3.5 31.33
4 Mikhail Grigorev 30142525 1808 D10 W13 L3 W7 W6 3.5 31.33
5 Brice Huang 13530897 1859 L1 L2 B--- W9 W11 3.0  
6 WFM Jenny Qi 17050786 2092 W2 W9 L1 D8 L4 2.5  
7 Sean X Zhang 17109032 1900 L3 D10 W13 L4 W12 2.5  
8 Sreyshthaa Krishnan 30452740 1755 B--- L1 W10 D6 L3 2.5  
9 Mikhail Alexandrovich Molodyk 13573825 1997 W12 L6 L2 L5 W13 2.0  
10 Frederic Dutter 12343420 1900 D4 D7 L8 L12 B--- 2.0  
11 Cailen Jeremiah Melville 14006141 1893 D13 D3 W12 L2 L5 2.0  
12 Eli Seidel 17241710 1826 L9 B--- L11 W10 L7 2.0  
13 Chase Wang 15015852 1798 D11 L4 L7 B--- L9 1.5  

SwissSys Standings. Mechanics' Weekend Rapid - 2025 Oct: Undet1800

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Total Prize
1 Toma Yuen 32073536 1742 W13 W5 L4 W15 W10 4.0 37.67
2 Max Katkin Meacham 32316130 1711 W16 D8 D11 W6 W4 4.0 37.67
3 Phil Ploquin 12535882 1681 W17 W10 D8 D4 W7 4.0 37.67
4 Hugo Pu 31093860 1778 W12 W6 W1 D3 L2 3.5  
5 Aneesh Banerjee 31464834 1579 W18 L1 D10 W11 W12 3.5  
6 Rayna Yan 30157975 1600 W14 L4 W13 L2 W15 3.0  
7 Ruyi Hu 16659933 1419 L10 W18 W9 W8 L3 3.0  
8 John Chan 12561007 1500 W15 D2 D3 L7 D11 2.5  
9 Samuel Allen Saliva 31845587 1034 W11 L12 L7 W18 H--- 2.5  
10 Andrew Linzer 30743480 unr. W7 L3 D5 W13 L1 2.5  
11 Kevin M Fong 17254586 1702 L9 W14 D2 L5 D8 2.0  
12 William Fitzgerald 17048414 1341 L4 W9 L15 W14 L5 2.0  
13 Nicholas M Brown 12446259 1304 L1 W17 L6 L10 W18 2.0  
14 Samuel Tseng Brown 16380615 940 L6 L11 W16 L12 W17 2.0  
15 Abdurrahman Akkas 31986682 unr. L8 W16 W12 L1 L6 2.0  
16 Nicholas Pipitone 30717173 1233 L2 L15 L14 L17 B--- 1.0  
17 Yinuo Hu 17219612 948 L3 L13 L18 W16 L14 1.0  
18 Ronan Petersen 32209929 863 L5 L7 W17 L9 L13 1.0  

 

Pairings

Pairings are posted on the wall of the club. We do not post pairings online for 1-day events.