Mechanics' Weekend Blitz - 2025 Oct

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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-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: 3:00 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: 7
  • Time control: 3 min basetime + 2 sec increment
  • Round Times: 10/26 3:00pm and remaining rounds are on a rolling schedule
  • 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 Sep 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: $290 based on 29 paid entries -- 72.50% payout.
  1800+ u1800
  Projected Actual Projected Actual
1st Place 125 91 75 54
2nd Place 75 54 50 36
3rd Place 50 36 25 18

Prizes: Mechanics' Weekend Blitz - 2025 Oct

# Name Cash Prize credited to pool Section
1 Daniel Cremisi (6.0/2355) 91.00 Place: 1 - $91 1800+
2 Aryan Balyan (5.0/2251) 30.00 Place: 2 - $54;
Place: 3 - $36;
3-way split of $90: $30 each
3 WFM Jenny Qi (5.0/2092) 30.00
12 Mikhail Grigorev (5.0/1808) 30.00
2 Toma Yuen (5.5/1742) 72.50 Place: 1 - $91;
Place: 2 - $54;
2-way split of $145: $72.50 each
U1800
5 John Boyer (5.5/1636) 72.50
3 Hoa Long Tam (5.0/1698) 18.00 Place: 3 - $36;
2-way split: $18 each
4 Phil Ploquin (5.0/1681) 18.00

 

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 Standings. Mechanics' Weekend Blitz - 2025 Oct: 1800+

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Rd 6 Rd 7 Total Prize
1 Daniel Cremisi 14543654 2355 W15 W6 W5 W2 L4 W7 W3 6.0 91.00
2 Aryan Balyan 15273590 2251 W9 W11 W13 L1 L3 W4 W5 5.0 30.00
3 WFM Jenny Qi 17050786 2092 W7 L13 W9 W6 W2 W5 L1 5.0 30.00
4 Mikhail Grigorev 30142525 1808 L5 W10 W11 W12 W1 L2 W9 5.0 30.00
5 Sanat Singhal 15580756 2000 W4 W8 L1 W13 W6 L3 L2 4.0  
6 Sean X Zhang 17109032 1900 W12 L1 W8 L3 L5 W16 W11 4.0  
7 Beckett Spence 31980852 1812 L3 D14 D12 W10 W13 L1 W16 4.0  
8 Zeno Kalonaris 16307134 1799 W10 L5 L6 L11 W16 W13 W12 4.0  
9 Eli Seidel 17241710 1826 L2 W16 L3 W14 W11 D12 L4 3.5  
10 Mikhail Alexandrovich Molodyk 13573825 1997 L8 L4 W16 L7 W15 L11 W13 3.0  
11 Cailen Jeremiah Melville 14006141 1893 W16 L2 L4 W8 L9 W10 L6 3.0  
12 Hugo Pu 31093860 1778 L6 W15 D7 L4 X14 D9 L8 3.0  
13 Mikhail Chernobilskiy 12878856 1876 W14 W3 L2 L5 L7 L8 L10 2.0  
14 Jeff Sinick 14454395 1684 L13 D7 W15 L9 F12 U--- U--- 1.5  
15 Brice Huang 13530897 1859 L1 L12 L14 L16 L10 B--- U--- 1.0  
16 Pavel Kolesnikov 30194161 1749 L11 L9 L10 W15 L8 L6 L7 1.0  

SwissSys Standings. Mechanics' Weekend Blitz - 2025 Oct: U1800

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Rd 6 Rd 7 Total Prize
1 Toma Yuen 32073536 1742 D8 W16 W10 W3 L2 W5 W7 5.5 45.00
2 John Boyer 16865157 1636 D17 W19 W5 W7 W1 W4 L3 5.5 45.00
3 Hoa Long Tam 16919862 1698 W11 L7 W14 L1 W9 W10 W2 5.0 9.00
4 Phil Ploquin 12535882 1681 D16 W9 D8 W15 W7 L2 W6 5.0 9.00
5 Jack March Soloway 15000121 1415 W6 D10 L2 W16 W8 L1 W12 4.5  
6 Si Hao Huang 31312861 1787 L5 W18 L12 W19 W14 W17 L4 4.0  
7 Jaison Acharya 30472824 1518 W14 W3 W15 L2 L4 W12 L1 4.0  
8 Maksim Manakov 30783890 1392 D1 W17 D4 L12 L5 W11 W15 4.0  
9 Fadi Arodaki 31279904 1255 H--- L4 W19 D11 L3 W14 W10 4.0  
10 David Siegel 12595160 1562 W18 D5 L1 W17 W12 L3 L9 3.5  
11 Alexander Borisovich Menchtchikov 32554854 1338 L3 W13 L16 D9 W15 L8 W18 3.5  
12 Rayna Yan 30157975 1600 W13 L15 W6 W8 L10 L7 L5 3.0  
13 Preston Lung 32438143 779 L12 L11 L17 B--- W18 L15 W19 3.0  
14 Aaron Ingber 32151075 unr. L7 B--- L3 W18 L6 L9 W17 3.0  
15 Andrew Linzer 30743480 unr. B--- W12 L7 L4 L11 W13 L8 3.0  
16 Thu Anh Le 17248797 1269 D4 L1 W11 L5 L17 B--- U--- 2.5  
17 Hsing Li 30242303 1193 D2 L8 W13 L10 W16 L6 L14 2.5  
18 Julian Collin Liang 32352161 764 L10 L6 B--- L14 L13 W19 L11 2.0  
19 Andrew Hanna 32552173 unr. H--- L2 L9 L6 B--- L18 L13 1.5  

 

 

Pairings

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