60th Stamer Memorial Tournament
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!
Please note Sunday is the same day as the Pride Parade. Please do NOT plan on driving to the tournament on Sunday.
Top 6 games are broadcasted on Chess.com with a 15-minute delay:
link coming soon.
Register or Join Wait List Change Request Form
Info
- Date: Sat, Jun 27 - Sun, Jun 28, 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: Saturday, June 27: 9:30 am
- Onsite Registration: 9:30-9:45am
-
Entry fee for Mechanics' Institute Members: $70
- Play-up fee: $15
-
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: 4
- Time control: 90 min basetime + 30 sec increment
- Round Times: 6/27 10:00am 2:30pm 6/28 10:00am 2:30pm
- Sections: 2000+ 1600-1999 u1600
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 June 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 regulations, anyone who receives $2000 or more in cumulative prizes during a calendar year must complete a W-9, and Mechanics’ Institute will issue a 1099-MISC form for tax reporting purposes.
Total Prize Fund: $2600 based on 80 fully paid entries.
Actual Prize Fund: $1,820 based on 56 fully paid entries -- 70% payout.
| 2000+ | 1600-1999 | u1600 | ||||
| Projected | Actual | Projected | Actual | Projected | Actual | |
| 1st Place | $425 | $298 | $325 | $228 | $250 | $175 |
| 2nd Place | $325 | $228 | $225 | $158 | $150 | $105 |
| 3rd Place | $225 | $158 | $125 | $88 | $100 | $70 |
| Best under2200 | $100 | $70 | ||||
| Best under2000 | $100 | $70 | ||||
| Best under1800 | $75 | $53 | ||||
| Best under1600 | $75 | $53 | ||||
| Best under1400 | $50 | $35 | ||||
| Best under1200 | $50 | $35 | ||||
Prizes: 60th Stamer Memorial Tournament
| # | Name | Cash | Prize credited to pool | Section |
| 1 | Abhishek Mallela (4.0/2083) | 298.00 | 1st Place: $298 | 2000+ |
| 6 | Zee Chin (3.0/1988) | 228.00 | 2nd Place: $228 | |
| 7 | Tapas Aarav Natraj (2.5/1955) | 158.00 | 3rd Place: $158 | |
| 9 | Arjunsai Navaneetha Prabhu (2.0/1792) | 70.00 | Top u2000: $70 | |
| 2 | Quincy Chen (2.0/2077) | 35.00 | Top u2200: $70; 2-way split: $35 each | |
| 3 | Justin Fink (2.0/2077) | 35.00 | ||
| 21 | Aaditya Joshua Rajesh (4.0/1585) | 228.00 | 1st Place: $228 | 1600-1999 |
| 6 | Deepak Sundaram (3.0/1725) | 59.80 | 2nd Place: $158 Top u1800: $53; | |
| 1 | Wayne W Ballantyne (3.0/1939) | 59.80 | ||
| 4 | Matthew Wang (3.0/1751) | 59.80 | ||
| 15 | Ethan Han (3.0/1652) | 59.80 | ||
| 17 | Ojas Parhar (3.0/1632) | 59.80 | ||
| 25 | Vasisht Macharla (2.5/1498) | 53.00 | Top u1600: $53 | |
| 9 | Ethan Lam (4.0/1273) | 175.00 | 1st Place: $175 | u1600 |
| 15 | Nevaan Vikram Jadhav (3.5/1166) | 105.00 | 2nd Place: $105 | |
| 1 | Sandesh Aher (3.0/1515) | 35.00 | 3rd Place: $70; 2-way split: $35 each | |
| 4 | Ethan Y Wang (3.0/1416) | 35.00 | ||
| 17 | Alex Alaniz (2.5/1154) | 35.00 | u1200: $35 | |
| 7 | Peter Xu (2.5/1340) | 17.50 | u1400: $35; 2-way split: $17.50 each | |
| 10 | Jai Yadav (2.5/1247) | 17.50 |
Byes
- Byes are available for players in any rounds if they can't participate that round but would like to stay in the tournament.
- A maximum of two half-point byes can be requested in this tournament.
- Round 1 through 3 byes must be requested 15 minutes before the official round times.
- Round 4 (last round) bye must be requested before the start of Round 1, and it is irrevocable to prevent possible prize-fund manipulations.
- Late registrations will receive a half-point bye for any missed round, up to two 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-chess
Tournament Rules
- 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.
Sick Policy:
The Mechanics' Institute Chess Club asks that any player who is feeling unwell withdraw from the tournament to help protect the health of others. The club reserves the right to deny entry to players who appear visibly ill. Players who withdraw due to illness before the start of the tournament will receive a full refund as a credit to their Jumbula account.
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
SwissSys 11.80.2 - Standings. 60th Stamer Memorial Tournament: 2000+
| # | Name | ID | Rating | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | Prize |
| 1 | Abhishek Mallela | 12888811 | 2083 | W9 | W3 | W6 | W4 | 4.0 | 298.00 |
| 2 | Zee Chin | 16965808 | 1988 | D4 | W9 | D3 | W6 | 3.0 | 228.00 |
| 3 | Tapas Aarav Natraj | 17303765 | 1955 | W5 | L1 | D2 | B--- | 2.5 | 158.00 |
| 4 | Quincy Chen | 13716492 | 2077 | D2 | D5 | W7 | L1 | 2.0 | 35.00 |
| 5 | Justin Fink | 14646688 | 2077 | L3 | D4 | B--- | D7 | 2.0 | 35.00 |
| 6 | Arjunsai Navaneetha Prabhu | 30250735 | 1792 | B--- | W8 | L1 | L2 | 2.0 | 70.00 |
| 7 | Kanishk Jain | 16575412 | 1908 | L8 | B--- | L4 | D5 | 1.5 | |
| 8 | CM Isaac Dan Zhao | 31617557 | 2052 | W7 | L6 | U--- | U--- | 1.0 | |
| 9 | Arjun Sankar | 14542170 | 2024 | L1 | L2 | H--- | H--- | 1.0 |
SwissSys 11.80.2 - Standings. 60th Stamer Memorial Tournament: 1600-1999
| # | Name | ID | Rating | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | Prize |
| 1 | Aaditya Joshua Rajesh | 16964021 | 1585 | W13 | W19 | W8 | W6 | 4.0 | 228.00 |
| 2 | Wayne W Ballantyne | 10231892 | 1939 | D16 | W17 | W9 | H--- | 3.0 | 59.80 |
| 3 | Matthew Wang | 30902582 | 1751 | L6 | W24 | W7 | W14 | 3.0 | 59.80 |
| 4 | Deepak Sundaram | 16637170 | 1725 | W22 | L5 | W18 | W10 | 3.0 | 59.80 |
| 5 | Ethan Han | 30036213 | 1652 | W23 | W4 | H--- | H--- | 3.0 | 59.80 |
| 6 | Ojas Parhar | 16452028 | 1632 | W3 | W15 | W14 | L1 | 3.0 | 59.80 |
| 7 | Dev Isak Kosuri | 31395538 | 1724 | D17 | W16 | L3 | W21 | 2.5 | |
| 8 | Gautam Chowdary Aetukuri | 31207729 | 1684 | W25 | W11 | L1 | D12 | 2.5 | |
| 9 | Samuel Joseph Petty | 12582250 | 1678 | W27 | D12 | L2 | W22 | 2.5 | |
| 10 | Vasisht Macharla | 30508930 | 1498 | D19 | W23 | W12 | L4 | 2.5 | 53.00 |
| 11 | Wes Pereira | 30599160 | 1754 | W20 | L8 | D21 | D16 | 2.0 | |
| 12 | Yudhin Bogi | 31006232 | 1740 | W21 | D9 | L10 | D8 | 2.0 | |
| 13 | Lawrence M Reifurth | 12341360 | 1716 | L1 | H--- | W20 | H--- | 2.0 | |
| 14 | Rishan Kayal | 30407160 | 1708 | W24 | W18 | L6 | L3 | 2.0 | |
| 15 | Anay Vaddadi | 31761192 | 1691 | W26 | L6 | D22 | D17 | 2.0 | |
| 16 | Rishan Biswas | 30138290 | 1672 | D2 | L7 | W26 | D11 | 2.0 | |
| 17 | Neev Srinivasan | 31703537 | 1587 | D7 | L2 | W19 | D15 | 2.0 | |
| 18 | Ryan Gai | 17304052 | 1217 | B--- | L14 | L4 | W24 | 2.0 | |
| 19 | Aavi Bharucha | 16223712 | 1678 | D10 | L1 | L17 | W26 | 1.5 | |
| 20 | Stephen J Balhoff | 14645581 | 1640 | L11 | D26 | L13 | W25 | 1.5 | |
| 21 | Richard Jiang | 30505064 | 1624 | L12 | W25 | D11 | L7 | 1.5 | |
| 22 | Sarang Athreya Sankrithi | 30016260 | 1622 | L4 | W27 | D15 | L9 | 1.5 | |
| 23 | Lokeshh Sampath | 33154838 | 1844 | L5 | L10 | L25 | B--- | 1.0 | |
| 24 | Arnav Mythil | 30444684 | 1584 | L14 | L3 | W27 | L18 | 1.0 | |
| 25 | Ammar Mahi Shafi Ibrahim | 31778402 | 1525 | L8 | L21 | W23 | L20 | 1.0 | |
| 26 | Felix Y Chen | 30173387 | 1574 | L15 | D20 | L16 | L19 | 0.5 | |
| 27 | Samuel Allen Saliva | 31845587 | 1494 | L9 | L22 | L24 | U--- | 0.0 |
SwissSys 11.80.2 - Standings. 60th Stamer Memorial Tournament: U1600
| # | Name | ID | Rating | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | Prize |
| 1 | Ethan Lam | 30150899 | 1273 | W13 | W17 | W4 | W3 | 4.0 | 175.00 |
| 2 | Nevaan Vikram Jadhav | 30679257 | 1166 | D5 | W21 | W18 | W9 | 3.5 | 105.00 |
| 3 | Sandesh Aher | 16730310 | 1515 | W10 | W14 | W8 | L1 | 3.0 | 35.00 |
| 4 | Ethan Y Wang | 31156044 | 1416 | W12 | W16 | L1 | W5 | 3.0 | 35.00 |
| 5 | Siva Sankrithi | 12806955 | 1400 | D2 | W15 | W17 | L4 | 2.5 | |
| 6 | Peter Xu | 30642588 | 1340 | L15 | D9 | W19 | W17 | 2.5 | 17.50 |
| 7 | Jai Yadav | 31352031 | 1247 | L16 | W20 | W13 | D8 | 2.5 | 17.50 |
| 8 | Alex Alaniz | 31522693 | 1154 | B--- | W18 | L3 | D7 | 2.5 | 35.00 |
| 9 | Keller Ma | 31327889 | 1336 | D21 | D6 | W16 | L2 | 2.0 | |
| 10 | Swaminathan Sankar | 14080777 | 1244 | L3 | W12 | H--- | H--- | 2.0 | |
| 11 | Robert Turner | 12407483 | 1232 | L17 | L13 | W21 | W18 | 2.0 | |
| 12 | Matthan Hanks | 32370235 | 1207 | L4 | L10 | W20 | W15 | 2.0 | |
| 13 | Alex Yuen | 32595736 | 113 | L1 | W11 | L7 | W21 | 2.0 | |
| 14 | Vaibhav Gupta | 32470099 | 1360 | W19 | L3 | D15 | U--- | 1.5 | |
| 15 | Arnav Parisaboyina | 32434426 | 1086 | W6 | L5 | D14 | L12 | 1.5 | |
| 16 | Richard Schulz | 33153797 | unr. | W7 | L4 | L9 | H--- | 1.5 | |
| 17 | Albert Martin Starr | 12844781 | 1500 | W11 | L1 | L5 | L6 | 1.0 | |
| 18 | Vivaan Krishna Sankrithi | 30504185 | 1445 | W20 | L8 | L2 | L11 | 1.0 | |
| 19 | Atma Persaud | 31330313 | 1158 | L14 | H--- | L6 | H--- | 1.0 | |
| 20 | Sasha Anjali Chugh | 30923072 | 1210 | L18 | L7 | L12 | H--- | 0.5 | |
| 21 | Mixtli Carter | 32876831 | 1024 | D9 | L2 | L11 | L13 | 0.5 |
Pairings
- Pairings are posted on the wall of the club.
- Pairings and standings will be updated here as time permits.
- Round 3 will be paired on Sunday morning at 9:30am. We ask you to email or call the club with any bye or withdrawal request.