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.