Archived Tournament

Mechanics' Weekend Blitz - 2026 Jan

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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 6 boards are broadcasted on Chess.com: 
https://www.chess.com/events/mechanics-weekend-blitz-2026-jan

 

Special Event: Combined sections into one Open section, with two additional rounds for a total of 9 rounds.


Register or Join Wait List Change Request Form

Info

  • Date: Sun, Jan 25 , 2026
  • 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, January 25: 2:00 pm
  • Onsite Registration: 2:00-2:45pm
  • Entry fee for Mechanics' Institute Members: $30
    • Play-up fee: $10
  • Entry fee for Non-Members: $35
    • 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: 9
  • Time control: 3 min basetime + 2 sec increment
  • Round Times: 1/25 3:00pm and remaining rounds are on a rolling schedule
  • Sections: Open

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 Jan 2026 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: $240 based on 26 paid entries -- 60% payout
  1800+ u1800 (Class prizes)
  Projected Actual Projected Actual
1st Place $125 $88 $75 $53
2nd Place $75 $53 $50 $35
3rd Place $50 $35 $25 $18

Prizes. Mechanics' Weekend Blitz - 2026 Jan: Open

# Name Cash Prize credited to pool
1 GM Christopher Woojin Yoo (8.5/2662) 88.00 1st Place: $88
2 GM Mark Heimann (8.0/2599) 53.00 2nd Place: $53
4 FM Ethan Guo (7.5/2359) 35.00 3rd Place: $35
19 Christopher Powers (5.0/1774) 35.00 (3-way) Best u1800: $53;
2nd U1800: $35;
3rd U1800: $18;
3-way split of $105: $35 each
25 Sanjay D'Mello (5.0/1498) 35.00 (3-way)
26 Peter Vu (5.0/1371) 35.00 (3-way)

 

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: 3 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/3+2 means game in 3 minutes with a 2-second increment with each move. This means you get 3 minutes, your opponent gets 3 minutes, and with each move players get 2 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 11.77 - Standings. Mechanics' Weekend Blitz - 2026 Jan: Open

# Name Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Rd 6 Rd 7 Rd 8 Rd 9 Total Prize
1 GM Christopher Woojin Yoo 2662 W18 W9 W8 W3 D2 W4 W6 W5 W7 8.5 88.00
2 GM Mark Heimann 2599 W19 W5 W7 W6 D1 D3 W12 W4 W11 8.0 53.00
3 FM Ethan Guo 2359 W26 W17 W11 L1 W5 D2 W7 W6 W15 7.5 35.00
4 Ted Belanoff 2200 W21 L12 W13 W24 W15 L1 W19 L2 W10 6.0  
5 Varun Agrawal 1997 W15 L2 W21 W18 L3 W13 W10 L1 W12 6.0  
6 IM Ladia Jirasek 2432 W13 W10 W12 L2 D7 W9 L1 L3 W16 5.5  
7 CM Pranav Senthilkumar 2195 W22 W32 L2 W12 D6 W11 L3 W19 L1 5.5  
8 WFM Jenny Qi 2130 W14 W23 L1 L11 L18 W17 W20 L12 W21 5.0  
9 Stephen Parsons 1989 W27 L1 D25 W20 D19 L6 L21 W22 W23 5.0  
10 Sean X Zhang 1905 W33 L6 W22 D19 D11 W18 L5 W21 L4 5.0  
11 Beckett Spence 1858 W28 W30 L3 W8 D10 L7 D16 W13 L2 5.0  
12 Mikhail Grigorev 1843 W29 W4 L6 L7 W30 W15 L2 W8 L5 5.0  
13 Christopher Powers 1774 L6 W27 L4 W32 W17 L5 W14 L11 W18 5.0 35.00
14 Sanjay D'Mello 1498 L8 L18 W31 L30 W28 W27 L13 W17 W19 5.0 35.00
15 Peter Vu 1371 L5 W16 W17 W25 L4 L12 W18 W24 L3 5.0 35.00
16 Qassoud Driss 1964 L32 L15 L20 W31 W27 W22 D11 W25 L6 4.5  
17 Frederic Dutter 1900 W31 L3 L15 W29 L13 L8 W28 L14 W24 4.0  
18 Elliot Shindo 1793 L1 W14 W23 L5 W8 L10 L15 W20 L13 4.0  
19 Zeno Kalonaris 1774 L2 W31 W30 D10 D9 W24 L4 L7 L14 4.0  
20 Vivek Srinivasan 1666 H--- L24 W16 L9 D21 W29 L8 L18 W25 4.0  
21 Phil Ploquin 1660 L4 W33 L5 W27 D20 D25 W9 L10 L8 4.0  
22 Rohith Prabakar 1500 L7 W29 L10 W23 L24 L16 W31 L9 W33 4.0  
23 Walidad Ali unr. W24 L8 L18 L22 L25 W31 W29 W28 L9 4.0  
24 Allen Mo 1863 L23 W20 W32 L4 W22 L19 D25 L15 L17 3.5  
25 Jaison Acharya 1648 L30 W28 D9 L15 W23 D21 D24 L16 L20 3.5  
26 Ken Green 1655 L3 U--- U--- U--- U--- W33 L27 W29 W32 3.0  
27 Aaron Ingber 1143 L9 L13 W28 L21 L16 L14 W26 W33 L29 3.0  
28 Samuel Golub unr. L11 L25 L27 W33 L14 W32 L17 L23 W31 3.0  
29 Ashton Playsted unr. L12 L22 W33 L17 W32 L20 L23 L26 W27 3.0  
30 Elliott Winslow 2200 W25 L11 L19 W14 L12 U--- U--- U--- U--- 2.0  
31 Owen Michael Lopez-Oneal 677 L17 L19 L14 L16 W33 L23 L22 W32 L28 2.0  
32 Mario M Cataruzolo 809 W16 L7 L24 L13 L29 L28 L33 L31 L26 1.0  
33 Rachid Ben Cherif 697 L10 L21 L29 L28 L31 L26 W32 L27 L22 1.0  

 

Pairings

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