2026 Mechanics' Institute Monthly Scholastic Swiss - Sep
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Info
- Date: Sat, Sep 12 , 2026
- Eligibility: K-12
- Rating: USCF
- Location: Mechanics' Institute, 4th Floor, 57 Post Street, San Francisco, CA 94104
- Capacity: 80
Registration
- Online Registration Open Until: Saturday, September 12: 9:45 am
- Onsite Registration: 9:45am
- Entry fee for Mechanics' Institute Members: $30
- Entry fee for Non-Members: $35
- Late fee: $10
- $5 admin fee for all cancellations & refunds.
Two ways to check your entries:
- Check the live entries on the Jumbula site 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: 30 min basetime + 5 sec delay
- Round Times: 7/11 10:00am and remaining rounds are on a rolling schedule
- Sections: U600 600+
- Sections might be adjusted based on signups to best serve the players.
- Play-ups are allowed free of charge for scholastic players as long as they are within 200-rating points to the next section.
- US Chess rating will be used for section determination and pairings.
- Pairings are based on the Jun 2026 regular supplemental regular US Chess rating.
Prize Fund
- Trophies to Top 5 in each section.
- Medals to all others.
Prizes: Mechanics' Institute Monthly Scholastic Swiss - 2026 Sep
| # | Name | Place | Non-cash prize | Section |
| 1 | Derek Diaz Ko (4.0/1301) | 1st | 1st Place | 800+ (Mod. Med/Med/Solk) |
| 5 | Anjali Guntuboyina (3.0/1103) | 2nd | 2nd Place | |
| 8 | Anirudh Guntuboyina (2.5/876) | 3rd | 3rd Place | |
| 7 | Theodore Tissot-Dupont (2.0/948) | 4th | 4th Place | |
| 9 | Sergei Pimenov (2.0/819) | 4T | 5th Place | |
| 1 | Callum Kenna (3.5/790) | 1st | 1st Place | 400-799 (Mod. Med/Med/Solk) |
| 7 | Keshav Mehta (3.5/730) | 1T | 2nd Place | |
| 3 | Tiberius Ostrem (3.0/774) | 3rd | 3rd Place | |
| 9 | Shourya Ranadev Edla (3.0/565) | 3T | 4th Place | |
| 8 | Aarush Bajaj (2.5/622) | 5th | 5th Place | |
| 4 | Andrew Ranjan (4.0/317) | 1st | 1st Place | u400 (Mod. Med/Med/Solk) |
| 2 | Santiago James Echevarria (3.5/325) | 2nd | 2nd Place | |
| 6 | Charlie Changrui Zhang (3.0/293) | 3rd | 3rd Place | |
| 16 | Noah Masahiro Saunders (3.0/0) | 3T | 4th Place | |
| 12 | Frank Tokarz (3.0/0) | 3T | 5th Place |
Byes
Byes are available for players in any rounds if they can't participate in any round but would like to stay in the tournament.
- A maximum of two half-point byes can be requested in this tournament.
- Round 1 pairings will be done on Saturday at 9:50 am onsite. If you need a Round 1 bye, please email us by 9:45 am.
- Round 2-4 byes must be requested 10-15 minutes before next round start (i.e. before the pairings are done for the next round.)
- 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.
- Players must have a USCF rating of 1400 or below to be eligible for this 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
- Time Control: G/30;d5 (Game in 30 minutes with a 5-second delay at each move.)
- Forfeit time: 30 minutes.
- We provide clocks and set it up for players.
- Games will be US Chess and quick-rated (so-called dual-rated). Tournament results will be submitted immediately after the last round is finished.
- What do the time controls mean?
Time controls tell you how much time you have for each game.
G30;d5: Game in 30 minutes with a 5-second delay with each move. This means you get 30 minutes, your opponent gets 30 minutes, and at each move the clock will count back 5 seconds before the time starts. One game may last up to 1 hour.
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
Processed entries are coming 1 day before the event starts.
Final standings will be posted after the event is finished.
Final Standings
SwissSys 11.80.4 - Standings. Mechanics' Institute Monthly Scholastic Swiss - 2026 Sep: 800+
| # | Name | ID | Rating | Team | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | T-Mod. Med | T-Med | T-Solk |
| 1 | Derek Diaz Ko | 32579655 | 1301 | WBMS | W9 | W4 | W5 | W3 | 4.0 | 6.5 | 4 | 8 |
| 2 | Anjali Guntuboyina | 32537063 | 1103 | GUNTUBOYINA | W8 | L5 | W7 | W4 | 3.0 | 5.5 | 3.5 | 7 |
| 3 | Anirudh Guntuboyina | 32534262 | 876 | GUNTUBOYINA | D10 | W6 | W9 | L1 | 2.5 | 8 | 4 | 9.5 |
| 4 | Theodore Tissot-Dupont | 32876860 | 948 | LFSF | W6 | L1 | W8 | L2 | 2.0 | 5 | 5 | 10.5 |
| 5 | Sergei Pimenov | 31964181 | 819 | GWHS | W11 | W2 | L1 | L6 | 2.0 | 5 | 5 | 9 |
| 6 | Ian Yi Li | 32143578 | 1228 | CHALLENGER | L4 | L3 | W11 | W5 | 2.0 | 4 | 4 | 6.5 |
| 7 | Wen Larson | 32181097 | 811 | CAIS | B--- | L8 | L2 | W11 | 2.0 | 1.5 | 1.5 | 4.5 |
| 8 | Aneesh Somani | 30689148 | 818 | SFDS | L2 | W7 | L4 | D9 | 1.5 | 5 | 3.5 | 8 |
| 9 | Preston Lung | 32438143 | 1044 | APTOS | L1 | W11 | L3 | D8 | 1.5 | 4 | 4 | 8 |
| 10 | Shane Davis | 32212404 | 1183 | PLEASANTV | D3 | U--- | U--- | U--- | 0.5 | 0 | 0 | 2.5 |
| 11 | Shivansh Chejerla | 31926705 | 1167 | SUNRISEES | L5 | L9 | L6 | L7 | 0.0 | 5 | 3.5 | 7 |
SwissSys 11.80.4 - Standings. Mechanics' Institute Monthly Scholastic Swiss - 2026 Sep: 400-799
| # | Name | ID | Rating | Team | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | T-Mod. Med | T-Med | T-Solk |
| 1 | Callum Kenna | 31987327 | 790 | ECOLE | W4 | W9 | D3 | W7 | 3.5 | 8 | 5 | 10 |
| 2 | Keshav Mehta | 32555897 | 730 | UNIHS | W16 | W7 | W5 | D3 | 3.5 | 7.5 | 4.5 | 8 |
| 3 | Tiberius Ostrem | 33071159 | 774 | SFDS | W14 | W12 | D1 | D2 | 3.0 | 8 | 4.5 | 8.5 |
| 4 | Shourya Ranadev Edla | 32542996 | 565 | WICKLUND | L1 | W13 | W15 | W8 | 3.0 | 6.5 | 3 | 7.5 |
| 5 | Aarush Bajaj | 32608865 | 622 | APTOS | D8 | W10 | L2 | W12 | 2.5 | 7.5 | 4 | 8.5 |
| 6 | Miles Chen | 33065024 | 789 | EASTIN | L10 | D8 | W14 | W9 | 2.5 | 6 | 4 | 6.5 |
| 7 | Jasper Rausch | 32853979 | 756 | HOMESCHOOL | W11 | L2 | W10 | L1 | 2.0 | 5.5 | 5.5 | 11 |
| 8 | Atticus Pass | 33157830 | 432 | HOLYNAME | D5 | D6 | W12 | L4 | 2.0 | 5 | 5 | 9 |
| 9 | Xander Dean Elbogen | 32615803 | 746 | SYNERGY | W13 | L1 | W11 | L6 | 2.0 | 4.5 | 4.5 | 9 |
| 10 | Philip Alexander Ranjan | 30025869 | 559 | BERKELEYHS | W6 | L5 | L7 | W13 | 2.0 | 4.5 | 4.5 | 8 |
| 11 | James Ws Clark | 33187031 | 478 | WBMS | L7 | W16 | L9 | W15 | 2.0 | 3 | 3 | 5.5 |
| 12 | Julian Collin Liang | 32352161 | 735 | APGIAN | W15 | L3 | L8 | L5 | 1.0 | 5.5 | 4.5 | 8.5 |
| 13 | Eva Gunzenhauser | 33078730 | 473 | WBMS | L9 | L4 | W16 | L10 | 1.0 | 4.5 | 4 | 7.5 |
| 14 | Grayson Smyth | 33188510 | 502 | GATEWAYMS | L3 | L15 | L6 | X16 | 1.0 | 3.5 | 3.5 | 6.5 |
| 15 | Wallace Kwan | 33163575 | 447 | ALICEFONGYU | L12 | W14 | L4 | L11 | 1.0 | 3.5 | 3 | 6.5 |
| 16 | Alex Lopez | 32917172 | 435 | SFFS | L2 | L11 | L13 | F14 | 0.0 | 3 | 3 | 6.5 |
SwissSys 11.80.4 - Standings. Mechanics' Institute Monthly Scholastic Swiss - 2026 Sep: U400
| # | Name | ID | Rating | Team | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | T-Mod. Med | T-Med | T-Solk |
| 1 | Andrew Ranjan | 33147402 | 317 | LONGFMS | W16 | W10 | W8 | W7 | 4.0 | 6.5 | 4 | 7.5 |
| 2 | Santiago James Echevarria | 30352399 | 325 | TOWNSFB | W5 | W12 | D7 | W8 | 3.5 | 7.5 | 4.5 | 9 |
| 3 | Charlie Changrui Zhang | 32397976 | 293 | STARRKINGES | W4 | L8 | W9 | B--- | 3.0 | 7 | 4 | 7 |
| 4 | Noah Masahiro Saunders | 33224924 | unr. | L3 | W15 | W12 | W9 | 3.0 | 6 | 3.5 | 7 | |
| 5 | Frank Tokarz | 33215964 | unr. | BELAIRE | L2 | W18 | W17 | W13 | 3.0 | 6 | 2.5 | 7 |
| 6 | West Moyer | 32756352 | 170 | ALTAVISTA | W17 | L7 | B--- | W11 | 3.0 | 5.5 | 3 | 5.5 |
| 7 | Jiaxu She | 33168408 | 320 | CAIS | W19 | W6 | D2 | L1 | 2.5 | 10 | 6 | 10 |
| 8 | Parker Firmage | 32688942 | 363 | PARKES | W15 | W3 | L1 | L2 | 2.0 | 6 | 6 | 11 |
| 9 | Marcus Fong | 32514115 | 293 | PARKES | W18 | W11 | L3 | L4 | 2.0 | 4.5 | 4.5 | 8.5 |
| 10 | Aryan Gejji | 33226471 | unr. | GRIMMER | W14 | L1 | L11 | W17 | 2.0 | 4 | 4 | 9 |
| 11 | Isao Funai | 33257131 | unr. | STARRKINGES | W13 | L9 | W10 | L6 | 2.0 | 4 | 4 | 8 |
| 12 | Asher Smyth | 33188501 | 135 | MCKINLEY | B--- | L2 | L4 | W16 | 2.0 | 4 | 4 | 7.5 |
| 13 | Ramazan Uzakbaev | 31743092 | 196 | WESTPORTAL | L11 | B--- | W16 | L5 | 2.0 | 3 | 3 | 6 |
| 14 | Watson Chan | 33256408 | unr. | HOLYNAME | L10 | L16 | W19 | W15 | 2.0 | 2 | 2 | 4 |
| 15 | Deva Bharathan | 33224388 | unr. | L8 | L4 | W18 | L14 | 1.0 | 5 | 4 | 8 | |
| 16 | Sehr Banerjee | 33197091 | unr. | SUTRO | L1 | W14 | L13 | L12 | 1.0 | 5 | 3.5 | 9 |
| 17 | Kian Merrill | 33257727 | unr. | APTOS | L6 | W19 | L5 | L10 | 1.0 | 4.5 | 4.5 | 7.5 |
| 18 | Yashwanth Niranjan | 33227617 | unr. | STRATFORDFO | L9 | L5 | L15 | W19 | 1.0 | 3 | 3 | 6 |
| 19 | Juniper Nichols | 33235819 | unr. | L7 | L17 | L14 | L18 | 0.0 | 4 | 3 | 6.5 |
Final Team Standings (All three sections are combined):
Team Roster and Standings. Mechanics' Institute Monthly Scholastic Swiss - 2026 Sep--All
| Code | Name | Score | |
| 1 | WBMS | Willie Brown Middle School (750.7) - Cnt: 3 | 7.0 |
| Derek Diaz Ko (1301) 4.0 | |||
| James Ws Clark ( 478) 2.0 | |||
| Eva Gunzenhauser ( 473) 1.0 | |||
| 2 | GUNTUBOYINA | Guntuboyina (989.5) - Cnt: 2 | 5.5 |
| Anjali Guntuboyina (1103) 3.0 | |||
| Anirudh Guntuboyina ( 876) 2.5 | |||
| 3 | APTOS | Aptos middle school (833.0) - Cnt: 3 | 5.0 |
| Aarush Bajaj ( 622) 2.5 | |||
| Preston Lung (1044) 1.5 | |||
| Kian Merrill (unr.) 1.0 | |||
| 4 | STARRKINGES | Starr King Elementary School (293.0) - Cnt: 2 | 5.0 |
| Charlie Changrui Zhang ( 293) 3.0 | |||
| Isao Funai (unr.) 2.0 | |||
| 5 | SFDS | San Francisco Day School (796.0) - Cnt: 2 | 4.5 |
| Tiberius Ostrem ( 774) 3.0 | |||
| Aneesh Somani ( 818) 1.5 | |||
| 6 | CAIS | Chinese American International School (565.5) - Cnt: 2 | 4.5 |
| Jiaxu She ( 320) 2.5 | |||
| Wen Larson ( 811) 2.0 | |||
| 7 | HOLYNAME | Holy Name (432.0) - Cnt: 2 | 4.0 |
| Atticus Pass ( 432) 2.0 | |||
| Watson Chan (unr.) 2.0 | |||
| 8 | PARKES | Park Elementary School, Mill Valley (328.0) - Cnt: 2 | 4.0 |
| Parker Firmage ( 363) 2.0 | |||
| Marcus Fong ( 293) 2.0 |
Listing small teams:
Team Roster and Standings. Mechanics' Institute Monthly Scholastic Swiss - 2026 Sep--All
| Code | Name | Score | |
| 1 | WBMS | Willie Brown Middle School (750.7) - Cnt: 3 | 7.0 |
| Derek Diaz Ko (1301) 4.0 | |||
| James Ws Clark ( 478) 2.0 | |||
| Eva Gunzenhauser ( 473) 1.0 | |||
| 2 | GUNTUBOYINA | Guntuboyina (989.5) - Cnt: 2 | 5.5 |
| Anjali Guntuboyina (1103) 3.0 | |||
| Anirudh Guntuboyina ( 876) 2.5 | |||
| 3 | APTOS | Aptos middle school (833.0) - Cnt: 3 | 5.0 |
| Aarush Bajaj ( 622) 2.5 | |||
| Preston Lung (1044) 1.5 | |||
| Kian Merrill (unr.) 1.0 | |||
| 4 | STARRKINGES | Starr King Elementary School (293.0) - Cnt: 2 | 5.0 |
| Charlie Changrui Zhang ( 293) 3.0 | |||
| Isao Funai (unr.) 2.0 | |||
| 5 | SFDS | San Francisco Day School (796.0) - Cnt: 2 | 4.5 |
| Tiberius Ostrem ( 774) 3.0 | |||
| Aneesh Somani ( 818) 1.5 | |||
| 6 | CAIS | Chinese American International School (565.5) - Cnt: 2 | 4.5 |
| Jiaxu She ( 320) 2.5 | |||
| Wen Larson ( 811) 2.0 | |||
| 7 | HOLYNAME | Holy Name (432.0) - Cnt: 2 | 4.0 |
| Atticus Pass ( 432) 2.0 | |||
| Watson Chan (unr.) 2.0 | |||
| 8 | PARKES | Park Elementary School, Mill Valley (328.0) - Cnt: 2 | 4.0 |
| Parker Firmage ( 363) 2.0 | |||
| Marcus Fong ( 293) 2.0 | |||
| 9 | LONGFMS | Longfellow Middle School (317.0) - Cnt: 1 | 4.0 |
| Andrew Ranjan ( 317) 4.0 | |||
| 10 | ECOLE | Ecole NDV (790.0) - Cnt: 1 | 3.5 |
| Callum Kenna ( 790) 3.5 | |||
| 11 | UNIHS | University HS (730.0) - Cnt: 1 | 3.5 |
| Keshav Mehta ( 730) 3.5 | |||
| 12 | TOWNSFB | Town School for Boys (325.0) - Cnt: 1 | 3.5 |
| Santiago James Echevarria ( 325) 3.5 | |||
| 13 | WICKLUND | Wicklund Elementary (565.0) - Cnt: 1 | 3.0 |
| Shourya Ranadev Edla ( 565) 3.0 | |||
| 14 | ALTAVISTA | Alta Vista School (170.0) - Cnt: 1 | 3.0 |
| West Moyer ( 170) 3.0 | |||
| 15 | BELAIRE | Bel Aire Elementary, Tiburon (0.0) - Cnt: 1 | 3.0 |
| Frank Tokarz (unr.) 3.0 | |||
| 16 | EASTIN | Eastin (789.0) - Cnt: 1 | 2.5 |
| Miles Chen ( 789) 2.5 | |||
| 17 | CHALLENGER | Challenger School (1228.0) - Cnt: 1 | 2.0 |
| Ian Yi Li (1228) 2.0 | |||
| 18 | LFSF | LFSF (948.0) - Cnt: 1 | 2.0 |
| Theodore Tissot-Dupont ( 948) 2.0 | |||
| 19 | GWHS | George Washington High School (819.0) - Cnt: 1 | 2.0 |
| Sergei Pimenov ( 819) 2.0 | |||
| 20 | HOMESCHOOL | Homeschool (756.0) - Cnt: 1 | 2.0 |
| Jasper Rausch ( 756) 2.0 | |||
| 21 | SYNERGY | Synergy School (746.0) - Cnt: 1 | 2.0 |
| Xander Dean Elbogen ( 746) 2.0 | |||
| 22 | BERKELEYHS | Berkeley High School (559.0) - Cnt: 1 | 2.0 |
| Philip Alexander Ranjan ( 559) 2.0 | |||
| 23 | WESTPORTAL | West Portal Elementary School (196.0) - Cnt: 1 | 2.0 |
| Ramazan Uzakbaev ( 196) 2.0 | |||
| 24 | MCKINLEY | McKinley Elementary (135.0) - Cnt: 1 | 2.0 |
| Asher Smyth ( 135) 2.0 | |||
| 25 | GRIMMER | E M Grimmer elementary, Fremont (0.0) - Cnt: 1 | 2.0 |
| Aryan Gejji (unr.) 2.0 | |||
| 26 | APGIAN | AP Giannini (735.0) - Cnt: 1 | 1.0 |
| Julian Collin Liang ( 735) 1.0 | |||
| 27 | GATEWAYMS | Gateway Middle School (502.0) - Cnt: 1 | 1.0 |
| Grayson Smyth ( 502) 1.0 | |||
| 28 | ALICEFONGYU | Alice Fong Yu Alternative School (447.0) - Cnt: 1 | 1.0 |
| Wallace Kwan ( 447) 1.0 | |||
| 29 | STRATFORDFO | Stratford, Fremont Osgood (0.0) - Cnt: 1 | 1.0 |
| Yashwanth Niranjan (unr.) 1.0 | |||
| 30 | SUTRO | Sutro Elementary (0.0) - Cnt: 1 | 1.0 |
| Sehr Banerjee (unr.) 1.0 | |||
| 31 | PLEASANTV | Pleasant Valley Elementary (0.0) - Cnt: 1 | 0.5 |
| Shane Davis (1183) 0.5 | |||
| 32 | SUNRISEES | SUNRISE ELEMENTARY SCHOOL (1167.0) - Cnt: 1 | 0.0 |
| Shivansh Chejerla (1167) 0.0 | |||
| 33 | SFFS | SFFS (435.0) - Cnt: 1 | 0.0 |
| Alex Lopez ( 435) 0.0 |
Pairings
Pairings are posted on the wall of the club. We do not post pairings online for scholastic events.