2nd Koltanowski Memorial Tournament
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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 games are broadcasted on Chess.com with a 15-minute delay:
https://www.chess.com/events/2nd-koltanowski-memorial-tournament
Register or Join Wait List Change Request Form
Info
- Date: Sat, Aug 16 - Sun, Aug 17, 2025
- Eligibility: Open to Everyone!
- Rating: USCF & FIDE
- Location: 57 Post Street, San Francisco, CA 94104
- Capacity: 80
Registration
- Online Registration Open Until: Wednesday, August 6: 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 mins min basetime + 30 sec inc
- Round Times: 8/16 10:00am 2:30pm 8/17 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 Aug 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.
Total Prize Fund: $2600 based on 80 fully paid entries.
Actual Prize Fund: 98% payout: $2535 based on 78 full paid entries.
2000+ | 1600-1999 | u1600 | ||||
Projected | Actual | Projected | Actual | Projected | Actual | |
1st Place | $425 | $414 | $325 | $317 | $250 | $244 |
2nd Place | $325 | $317 | $225 | $219 | $150 | $146 |
3rd Place | $225 | $219 | $125 | $122 | $100 | $98 |
Best under2200 | $100 | $98 | ||||
Best under2000 | $100 | $98 | ||||
Best under1800 | $75 | $73 | ||||
Best under1600 | $75 | $73 | ||||
Best under1400 | $50 | $49 | ||||
Best under1200 | $50 | $49 |
Prizes: 2nd Koltanowski Memorial
# | Name | Cash | Prize credited to pool | Section |
1 | Dmitry Vayntrub (3.5/2220) | 316.66 | 1st Place: $414; 2nd Place: $317; 3rd Place: $219; 3-way split of $950: $316.66 each | 2000+ |
2 | Pranav Sairam (3.5/2212) | 316.66 | ||
7 | Sanat Singhal (3.5/2068) | 316.66 | ||
20 | Kshitij Tomar (3.0/1908) | 98.00 | Best u2000:- $98 | |
5 | Reyansh Paragiri (3.0/2141) | 49.00 | Bestu2200: $98; 2-way split: $49 each | |
4 | Theodore Biyiasas (3.0/2165) | 49.00 | ||
6 | William Timothy, Iii Obrien (4.0/1776) | 317.00 | 1st Place: $317 | 1600-1999 |
7 | Rogelio Aram Gongora Zerme O (3.0/1738) | 103.50 | 2nd Place: $219; 3rd Place: $122; Best u1800: $73; 4-way split of $414: $103.50 each | |
8 | Serena Liu (3.0/1710) | 103.50 | ||
12 | Sarvagnya Brahmanapally (3.0/1688) | 103.50 | ||
15 | Kayden Pak Mo (3.0/1638) | 103.50 | ||
30 | Arnav Mythil (2.5/1369) | 24.33 | Best u1600 $73; 3-way split: $24.33 each | |
18 | Theodore Miller (2.5/1594) | 24.33 | ||
23 | Youting Long (2.5/1511) | 24.33 | ||
4 | Jack March Soloway (4.0/1266) | 244.00 | 1st Place: $244 | u1600 |
5 | David Vayntrub (3.0/1245) | 122.00 | 2nd Place: $146; 3rd Place: $98; 2-way split of $244: $122 each | |
11 | Calvin Django Dees (3.0/1112) | 122.00 | ||
10 | Hsing Li (2.5/1140) | 32.66 | Best u1200: $49; Best u1400: $49; 3-way split of $98: $32.66 each | |
14 | Benjamin Elster (2.5/964) | 32.66 | ||
6 | Vasisht Macharla (2.5/1224) | 32.66 |
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-chessT
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.
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.
FAQs
- 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.
Standings
Final Standing
SwissSys Report: 2nd Koltanowski Memorial
SwissSys Standings. 2nd Koltanowski Memorial: 2000+ (Standings (no tiebrk))
# | Name | ID | Rating | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | Prize |
1 | Dmitry Vayntrub | 12911242 | 2220 | W24 | W14 | W10 | D2 | 3.5 | 316.67 |
2 | Pranav Sairam | 15424820 | 2212 | W28 | W15 | W4 | D1 | 3.5 | 316.67 |
3 | Sanat Singhal | 15580756 | 2068 | D26 | W33 | W21 | W12 | 3.5 | 316.67 |
4 | CM Luke Widjaja | 16010621 | 2211 | W25 | W19 | L2 | W14 | 3.0 | |
5 | Theodore Biyiasas | 13989054 | 2165 | D7 | W30 | W11 | D6 | 3.0 | 49.00 |
6 | Reyansh Paragiri | 30233070 | 2141 | D33 | W26 | W12 | D5 | 3.0 | 49.00 |
7 | Kshitij Tomar | 16314696 | 1908 | D5 | D16 | W29 | W13 | 3.0 | 98.00 |
8 | Zhuoyuan Wu | 16772836 | 2033 | L19 | D23 | W27 | W16 | 2.5 | |
9 | Kanishk Jain | 16575412 | 1974 | W23 | D21 | L13 | W24 | 2.5 | |
10 | Austin Jin | 17144712 | 2070 | W17 | W22 | L1 | U--- | 2.0 | |
11 | Sivavishnu Srinivasan | 16778004 | 2048 | W18 | H--- | L5 | H--- | 2.0 | |
12 | Kevin Kane | 12698544 | 2008 | W20 | W31 | L6 | L3 | 2.0 | |
13 | Reyansh Gupta | 17164653 | 2001 | L22 | W17 | W9 | L7 | 2.0 | |
14 | Easwar Gnana Hari Sekar | 16418483 | 1965 | W29 | L1 | W20 | L4 | 2.0 | |
15 | Zee Chin | 16965808 | 1950 | W27 | L2 | D19 | D21 | 2.0 | |
16 | Vivaan Pavuluri | 30203278 | 1944 | D30 | D7 | W31 | L8 | 2.0 | |
17 | Sudeep Suresh | 17251915 | 1899 | L10 | L13 | B--- | W30 | 2.0 | |
18 | Vidyuth Harish | 16094497 | 1890 | L11 | D24 | W33 | D19 | 2.0 | |
19 | Alexander Pn Ng | 16748361 | 1875 | W8 | L4 | D15 | D18 | 2.0 | |
20 | Colin Yi | 16685250 | 1874 | L12 | W25 | L14 | W29 | 2.0 | |
21 | Evan Shi | 16997990 | 1869 | W32 | D9 | L3 | D15 | 2.0 | |
22 | Om Suthar | 16851816 | 1840 | W13 | L10 | L24 | W31 | 2.0 | |
23 | Chase Wang | 15015852 | 1815 | L9 | D8 | W32 | D26 | 2.0 | |
24 | Noah T Lee | 31732158 | 1939 | L1 | D18 | W22 | L9 | 1.5 | |
25 | Raghu Rajaram | 12698822 | 1920 | L4 | L20 | D30 | W32 | 1.5 | |
26 | Leo Chen | 30141602 | 1898 | D3 | L6 | H--- | D23 | 1.5 | |
27 | Daniel Robert Perlov | 16465203 | 1791 | L15 | D32 | L8 | B--- | 1.5 | |
28 | Romulo Silvestre | 16920915 | 1929 | L2 | H--- | H--- | U--- | 1.0 | |
29 | Sos Hakobyan | 14452712 | 1806 | L14 | B--- | L7 | L20 | 1.0 | |
30 | Hayden Brongersma | 31240441 | 1779 | D16 | L5 | D25 | L17 | 1.0 | |
31 | Olivia Xu | 31352797 | 1747 | B--- | L12 | L16 | L22 | 1.0 | |
32 | Tapas Aarav Natraj | 17303765 | 2004 | L21 | D27 | L23 | L25 | 0.5 | |
33 | Rudy Goce, Jr Tia | 12658822 | 1900 | D6 | L3 | L18 | U--- | 0.5 |
SwissSys Standings. 2nd Koltanowski Memorial: 1600-1999 (Standings (no tiebrk))
# | Name | ID | Rating | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | Prize |
1 | William Timothy, Iii Obrien | 16310315 | 1776 | W17 | W19 | W14 | W6 | 4.0 | 317.00 |
2 | Rogelio Aram Gongora Zerme O | 30676008 | 1738 | L12 | W27 | W28 | W16 | 3.0 | 103.50 |
3 | Serena Liu | 16887121 | 1710 | W18 | D13 | D10 | W19 | 3.0 | 103.50 |
4 | Sarvagnya Brahmanapally | 16466227 | 1688 | D25 | W26 | W8 | H--- | 3.0 | 103.50 |
5 | Kayden Pak Mo | 30496791 | 1638 | W29 | W21 | L6 | W14 | 3.0 | 103.50 |
6 | Shubham Patankar | 15259967 | 1871 | W11 | D9 | W5 | L1 | 2.5 | |
7 | Deepak Sundaram | 16637170 | 1781 | D24 | D28 | D23 | W21 | 2.5 | |
8 | Eli Seidel | 17241710 | 1701 | W27 | D12 | L4 | W23 | 2.5 | |
9 | Naren Ganapathy Viswanath | 30613470 | 1695 | W20 | D6 | D12 | D13 | 2.5 | |
10 | Samarth Ram Bharadwaj | 30155483 | 1648 | D28 | W24 | D3 | D12 | 2.5 | |
11 | Theodore Miller | 30635618 | 1594 | L6 | W20 | H--- | W17 | 2.5 | 24.33 |
12 | Youting Long | 31264173 | 1511 | W2 | D8 | D9 | D10 | 2.5 | 24.33 |
13 | Arnav Mythil | 30444684 | 1369 | W32 | D3 | D21 | D9 | 2.5 | 24.33 |
14 | Xiaoshan Chen | 31974206 | 1827 | W30 | W16 | L1 | L5 | 2.0 | |
15 | Thomas Gu | 17005685 | 1696 | L19 | L23 | W26 | W29 | 2.0 | |
16 | Elena Hingyip Pang | 30492712 | 1614 | W31 | L14 | W29 | L2 | 2.0 | |
17 | Avyukth Ganapathy Viswanath | 30613480 | 1538 | L1 | W32 | W22 | L11 | 2.0 | |
18 | Navaneet Vishnusai Jonnalagada | 16499405 | 1508 | L3 | D30 | W24 | D22 | 2.0 | |
19 | Darsh Goel | 30538395 | 1499 | W15 | L1 | W30 | L3 | 2.0 | |
20 | Eshaan Kashyap Amin | 30205762 | 1492 | L9 | L11 | B--- | W28 | 2.0 | |
21 | Matthew Ong | 31566682 | 1803 | W23 | L5 | D13 | L7 | 1.5 | |
22 | Jinfeng Liu | 16244917 | 1632 | D26 | D25 | L17 | D18 | 1.5 | |
23 | Ayaan Shokeen | 30424086 | 1581 | L21 | W15 | D7 | L8 | 1.5 | |
24 | Shan Ramesh Lee | 16920675 | 1570 | D7 | L10 | L18 | W27 | 1.5 | |
25 | Andrew Yu | 31681086 | 1444 | D4 | D22 | H--- | U--- | 1.5 | |
26 | Pranav Db | 30518186 | 1325 | D22 | L4 | L15 | W32 | 1.5 | |
27 | Ayden Wang | 30427645 | 1501 | L8 | L2 | W32 | L24 | 1.0 | |
28 | Aiden Liao | 17075676 | 1405 | D10 | D7 | L2 | L20 | 1.0 | |
29 | Angelina Ramesh Lee | 16920660 | 1363 | L5 | B--- | L16 | L15 | 1.0 | |
30 | Angela Zixi Wang | 30598637 | 1594 | L14 | D18 | L19 | U--- | 0.5 | |
31 | Hovik Manvelyan | 12909955 | 1924 | L16 | U--- | U--- | U--- | 0.0 | |
32 | Arjunsai Navaneetha Prabhu | 30250735 | 1642 | L13 | L17 | L27 | L26 | 0.0 |
SwissSys Standings. 2nd Koltanowski Memorial: u1600 (Standings (no tiebrk))
# | Name | ID | Rating | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Total | Prize |
1 | Jack March Soloway | 15000121 | 1266 | W3 | W12 | W4 | W5 | 4.0 | 244.00 |
2 | David Vayntrub | 15326038 | 1245 | W10 | L5 | W9 | W11 | 3.0 | 122.00 |
3 | Calvin Django Dees | 30307126 | 1112 | L1 | W14 | W13 | W7 | 3.0 | 122.00 |
4 | Vasisht Macharla | 30508930 | 1224 | W14 | W11 | L1 | D6 | 2.5 | 32.67 |
5 | Hsing Li | 30242303 | 1140 | W8 | W2 | D7 | L1 | 2.5 | 32.67 |
6 | Benjamin Elster | 32471329 | 964 | L12 | B--- | W10 | D4 | 2.5 | 32.67 |
7 | Albert Martin Starr | 12844781 | 1500 | D9 | W13 | D5 | L3 | 2.0 | |
8 | Vihaan Kumar | 30424067 | 1301 | L5 | L10 | B--- | W14 | 2.0 | |
9 | Jessica Zhang | 30961558 | 1213 | D7 | W15 | L2 | H--- | 2.0 | |
10 | Aiden Huang | 31903628 | 1078 | L2 | W8 | L6 | W15 | 2.0 | |
11 | Maksym Tsebrii | 32509962 | unr. | B--- | L4 | W12 | L2 | 2.0 | |
12 | Keller Ma | 31327889 | 1219 | W6 | L1 | L11 | D13 | 1.5 | |
13 | Kian Namiranian | 17232146 | 1321 | D15 | L7 | L3 | D12 | 1.0 | |
14 | Teresa Long | 31662752 | 983 | L4 | L3 | W15 | L8 | 1.0 | |
15 | Wythe Wang | 16693113 | 1141 | D13 | L9 | L14 | L10 | 0.5 |
SwissSys Standings. 2nd Koltanowski Memorial: Extra Rated (Standings (no tiebrk))
# | Name | ID | Rating | Rd 1 | Rd 2 | Rd 3 | Total | Prize |
1 | Olivia Xu | 31352797 | 1747 | W4 | U--- | U--- | 1.0 | |
2 | Vihaan Kumar | 30424067 | 1301 | U--- | U--- | W5 | 1.0 | |
3 | Benjamin Elster | 32471329 | 964 | U--- | W4 | U--- | 1.0 | |
4 | Abel Talamantez | 12465386 | 1800 | L1 | L3 | U--- | 0.0 | |
5 | Eshaan Kashyap Amin | 30205762 | 1492 | U--- | U--- | L2 | 0.0 |
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.