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January 17 - June 20

      IM John Grefe Memorial 2026 

IM John Grefe 1973 US Chess Champion!

Start Date: 7:00pm Friday, January 9th (Registration closes at 6:50pm.)

Location: 2622 San Pablo Ave, Berkeley, Ca

Tournament Format: Six rounds, one game every Friday at 7:00pm.
Rounds:  Jan 9th, 16th, 23rd, 30th, Feb 6th and 13th

Fee: $70
GM’s, IM’s, and NMs free.
(Entry fee deducted from winnings.)

Time Control: G/90, 30 second increment.  If a player is more than 30 minutes late, their game will be forfeited.

Tournament is USCF rated.

Prize fund: $500.00
1st Place $200: 2nd Place $120
1st U2000 $65: 1st U1800 $60: 1st U1600  $55.

To play in the adult Friday night tournament a player must be an adult, or a minor 13 years of age or older or if under 13 years, have at least a 1300 rating. 

 

“Nobody ever won a game by resigning!” Ralph Nagel vs Frisco Del Rosario Round 1. Here white resigned, but white could have gained an advantage by playing the next two moves accurately!

Experience vs Youth! Berkeley Chess Club’s Youngest Member Jayden Xu (10 years old) battling it out against our most experienced Member Alan Glasscoe. In this Game Experience beat youth!

Byes: 
Max number of half point byes: 2

Half point byes are available for rounds 1-5 (maximum two)

Number of rounds in tourney: 6
Byes for round 5 must be selected before round one and are irrevocable.
Bye note: No half point byes for the final round!

USCF: Tournament will follow USCF rules. USCF membership must be current through the end of the tournament.

Do you need to renew your USCF Membership? Renew here!

Current Pairings

Current Standings

Berkeley Club Championship 2025

SwissSys Report: Berkeley Club Championship 2025

SwissSys Standings. Berkeley Club Championship 2025: Open

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Rd 6 Rd 7 Rd 8 Rd 9 Total
1 Andy Lee 12559999 2282 W20 D10 W5 W4 W3 W8 W2 D9   7.0
2 Dmytro Dzhanhirov 32073210 2281 L13 W26 W23 W10 W9 W19 L1 D4   5.5
3 Elliott Winslow 10363365 2200 W21 W13 W6 H— L1 D4 D9 H—   5.0
4 Roger Poehlmann 12191230 2200 X26 D12 W7 L1 W10 D3 D6 D2   5.0
5 Austin Cambon 12890251 2051 H— W30 L1 H— W21 D13 W16 D10   5.0
6 Sivavishnu Srinivasan 16778004 2015 X17 X33 L3 W20 L8 W12 D4 H—   5.0
7 Steven Gaffagan 12542809 1930 D30 W32 L4 W15 L12 W29 W13 H—   5.0
8 Vladyslav Shevkunov 15490096 2214 W25 W16 H— D9 W6 L1 H— U—   4.5
9 Alex Chin 17050696 2081 H— W14 W12 D8 L2 D16 D3 D1   4.5
10 Max Virgil 31363560 1972 X23 D1 W19 L2 L4 W20 D14 D5   4.5
11 Frisco Rosario 10987792 1906 H— L19 D32 L23 W18 W24 D21 X22   4.5
12 Roger Smith 14437543 1884 W31 D4 L9 X18 W7 L6 H— H—   4.5
13 Zeno Kalonaris 16307134 1799 W2 L3 W27 W16 L19 D5 L7 W21   4.5
14 Chase Wang 15015852 1798 H— L9 W24 L19 W31 W15 D10 H—   4.5
15 Sam Hill 14946916 1745 U— H— B— L7 W30 L14 W28 W20   4.5
16 Mike Walder 10345120 1956 W24 L8 W31 L13 W29 D9 L5 H—   4.0
17 Naren Ganapathy Viswanath 30613470 1688 F6 L20 H— H— W25 W23 H— D24   4.0
18 Christophe Bei 16093122 1269 U— H— B— F12 L11 X30 D25 W28   4.0
19 Theodore Coyne 13848228 2240 H— W11 L10 W14 W13 L2 U— U—   3.5
20 Jonah Busch 12469525 1884 L1 W17 X33 L6 X23 L10 H— L15   3.5
21 Mark Paetz 10487579 1722 L3 L23 W30 X33 L5 W31 D11 L13   3.5
22 Jorge Barrera 12927981 1701 U— U— H— H— W32 H— W29 F11   3.5
23 Dev Kosuri 31395538 1618 F10 W21 L2 W11 F20 L17 D31 W29   3.5
24 Nathan Schulz 30615651 1552 L16 D25 L14 H— W26 L11 X30 D17   3.5
25 Samuel Petty 12582250 1727 L8 D24 H— F31 L17 X32 D18 H—   3.0
26 Avyukth Ganapathy Viswanath 30613480 1721 F4 L2 H— H— L24 B— U— W31   3.0
27 Douglas Jackson 30711786 1008 H— H— L13 L30 B— L28 U— X32   3.0
28 Zoe Ladwig 32468586 1687 U— U— H— H— H— W27 L15 L18   2.5
29 Carl Nelson 15243578 1484 H— H— H— X32 L16 L7 L22 L23   2.5
30 Samuel Agdamag 14874734 1467 D7 L5 L21 W27 L15 F18 F24 B—   2.5
31 Kushal Rajiv 31793905 1465 L12 B— L16 X25 L14 L21 D23 L26   2.5
32 Sreyshthaa Krishnan 30452740 1755 H— L7 D11 F29 L22 F25 B— F27   2.0
33 Kuzey Sozat 15052445 1398 B— F6 F20 F21 U— U— U— U—   1.0

SwissSys Standings. Berkeley Club Championship 2025: Extra Rated

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Rd 6 Rd 7 Rd 8 Total
1 Kushal Rajiv 31793905 1465 U— W9 U— W9 U— U— U— U— 2.0
2 Daichi Siegrist 12701159 1963 W9 U— U— U— U— U— U— U— 1.0
3 Frisco Rosario 10987792 1906 U— U— U— U— U— U— U— W9 1.0
4 Roger Smith 14437543 1884 U— U— U— W14 U— U— U— U— 1.0
5 Sam Hill 14946916 1745 U— W11 L9 U— U— U— U— U— 1.0
6 Sam Petty 12582250 1727 U— U— U— U— U— W9 U— U— 1.0
7 Zoe Ladwig 32468586 1687 U— U— U— U— W9 U— U— U— 1.0
8 Nathan Schulz 30615651 1552 U— U— U— U— U— U— W9 U— 1.0
9 Mohammad Reza Asgari 17058928 1467 L2 L1 W5 L1 L7 L6 L8 L3 1.0
10 Sandesh Aher 16730310 1426 W15 U— U— U— U— U— U— U— 1.0
11 Chris Bei 16093122 1269 U— L5 W14 U— U— U— U— U— 1.0
12 Sivavishnu Srinivasan 16778004 2015 D13 U— U— U— U— U— U— U— 0.5
13 Max Virgil 31363560 1972 D12 U— U— U— U— U— U— U— 0.5
14 Carl Nelson 15243578 1484 U— U— L11 L4 U— U— U— U— 0.0
15 Kuzey Sozat 15052445 1398 L10 U— U— U— U— U— U— U— 0.0
16 Andrei Gadson 30301721 1039 U— U— U— U— U— U— U— U— 0.0

Girls K-12 CalChess NGTOC Qualifier

SwissSys Standings. 2025 Girls K-12 CalChess NGTOC Qualifier: Championship (Standings (no tiebrk))

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Total Prize
1 WIM Omya Vidyarthi 15782318 2164 W5 W8 W2 W3 W4 5.0 750.00
2 WFM Jenny Qi 17050786 2083 W6 W4 L1 W13 W3 4.0 100.00
3 Zlata Mokeeva 31128131 2040 W7 W9 W8 L1 L2 3.0 12.50
4 Serena Liu 16887121 1677 W12 L2 W7 W6 L1 3.0 12.50
5 Carissa Penn 15602522 1125 L1 W13 W10 H— D9 3.0 12.50
6 Anika Prasad 30110098 1015 L2 W12 W9 L4 W10 3.0 12.50
7 Teresa Long 31662752 989 L3 W11 L4 D9 W12 2.5  
8 Rayna Yan 30157975 1681 W11 L1 L3 L10 W13 2.0  
9 Elaine Xue 30959879 1277 W10 L3 L6 D7 D5 2.0  
10 Raaga Guruswami 17191014 653 L9 B— L5 W8 L6 2.0  
11 Kwanita Amarthaluri 31763753 700 L8 L7 D13 L12 B— 1.5  
12 Stella Yang 31228017 699 L4 L6 H— W11 L7 1.5  
13 Chloe Yang 30774286 632 B— L5 D11 L2 L8 1.5  

Cal Chess Senior State Championship

SwissSys Standings. 2025 CalChess Women’s & Senior Championship 3-: Senior Merged (Standings (no tiebrk))

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Total Prize
1 IM Timothy Taylor 10153557 2281 W12 L4 W13 W8 W3 4.0 375.00
2 NM Dmytro Dzhanhirov 32073210 2235 W26 D10 D9 W19 W4 4.0 375.00
3 IM Elliott Winslow 10363365 2230 W5 W21 D4 W10 L1 3.5 75.00
4 NM Mike Walder 10345120 1940 W25 W1 D3 W9 L2 3.5 125.00
5 Armin Vale Cruz 16292302 1798 L3 W11 W21 D13 W9 3.5 125.00
6 Phil Long 30601449 1639 D8 L19 W26 W23 W10 3.5 125.00
7 NM Larry Snyder 10465117 2049 D14 W23 D19 H— H— 3.0  
8 Michael Condon 10402395 2033 D6 D15 W17 L1 D14 2.5  
9 Rudy Tia 12658822 1907 W18 W24 D2 L4 L5 2.5  
10 Roger Smith 14437543 1836 W20 D2 W22 L3 L6 2.5  
11 Sam Bridle 12498212 1833 L21 L5 D16 X24 W23 2.5  
12 Stewart Katz 12458563 1817 L1 W25 D15 W20 U— 2.5  
13 Kevin Fong 17254586 1705 H— W16 L1 D5 D15 2.5  
14 Richard Newey 12400775 1643 D7 D17 D23 D15 D8 2.5  
15 Rico Adkins 12470464 1625 D19 D8 D12 D14 D13 2.5  
16 Tom Boyd 10495768 1600 H— L13 D11 W21 D17 2.5  
17 Necip Sayiner 13792774 1500 H— D14 L8 W25 D16 2.5 150.00
18 Hovik Manvelyan 12909955 1936 L9 L22 H— H— W25 2.0  
19 Clarence Lehman 10497272 1900 D15 W6 D7 L2 U— 2.0  
20 Raymons Montalvo 12540951 1600 L10 D26 W24 L12 H— 2.0  
21 Kannappan Singaram 14439398 1243 W11 L3 L5 L16 B— 2.0  
22 Rahim Gran 12427338 1928 D24 W18 L10 U— U— 1.5  
23 Romeo Bayot 17289363 1117 B— L7 D14 L6 L11 1.5 150.00
24 Douglas Larsen 12576655 1762 D22 L9 L20 F11 H— 1.0  
25 Mohammad Soltani 12889183 1631 L4 L12 B— L17 L18 1.0  
26 Daniel Oshima 12415774 1800 L2 D20 L6 U— U— 0.5  

Cal Chess Women's State Championship

SwissSys Standings. 2025 CalChess Women’s & Senior Championship 3-: Women’s Merged (Standings (no tiebrk))

# Name ID Rating Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Total Prize
1 WIM Ruiyang Yan 15462690 2347 W7 W3 D2 W4 W5 4.5 400.00
2 WFM Natalia Tsodikova 12634942 2191 W8 W14 D1 W10 W4 4.5 400.00
3 Zlata Mokeeva 31128131 2039 W5 L1 W13 D7 W10 3.5 200.00
4 WFM Uyanga Byambaa 14271351 2120 W11 W10 W9 L1 L2 3.0  
5 Rayna Yan 30157975 1636 L3 W12 W14 W9 L1 3.0 175.00
6 Renate Otterbach 14565208 1036 H— L9 W11 H— W7 3.0 175.00
7 Olivia Xu 31352797 1574 L1 B— W12 D3 L6 2.5  
8 Loida Guo 30392341 1530 L2 W11 L10 W12 H— 2.5  
9 Rosalyn Chu 30566652 1289 H— W6 L4 L5 B— 2.5  
10 Railia Borobova 30627771 2070 W13 L4 W8 L2 L3 2.0  
11 Stella Yang 31228017 678 L4 L8 L6 B— W13 2.0 75.00
12 Shritha Sri Podduturi 16311660 598 B— L5 L7 L8 W14 2.0 75.00
13 Raaga Guruswami 17191014 664 L10 B— L3 D14 L11 1.5  
14 Olja Dimitrijevic 32363115 unr. B— L2 L5 D13 L12 1.5  

Berkeley Chess Club all time winners

All Time Winners

The following list is for those that got clear first or tied for first place in any BCC Marathon since the 2007 BCC Grand Re Opening until the end of 2024

1)IM Elliott Winslow 29 wins! (3 in a row!) 3 with a Perfect score 6/6, or 7/7!

2)NM Roger Poehlmann 20 wins!

3)IM Ladia Jirasek 13 wins (5 in a row!) 1 was a Perfect score 6/6!

4) Farid Watson 7 wins

5)NM Todd Rumph 6 wins

6)NM Derek O’Connor: 6 wins

7) NM Theodore Coyne 6 wins (4 in a row!)

8)Steven Krasnov 5 wins

9) FM Ruiyang Yan 4 wins

10)Greg Lope 4 wins

11)WFM Uyanga Byambaa 4 wins two with perfect 6/6 scores!

12)FM Robin Cunningham 4 wins

13)Salar Jahedi 4 wins

14)2 wins each. , IM Josiah Stearman, NM Michael Lei Wang, Joshua Cao, Ethan Chamberlain, NM Robert Hatarik, David Trestor, Craig Andries, Julian Chan, Thomas Sauerwald, NM Kushan Tyagi, NM Dmytro Dzhanhirov, FM Andy Lee (2 time BCC Champion)

 

Game Archives

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Tournament Name

Dates

Times

Winner

Sign up / Details
BCC Championship 2025 Oct-Dec 19,  2025 Fridays 7:00pm $90 FM Andy Lee N/A
IM John Grefe Memorial 2026 January 9th-Feb 13th Fridays 7:00pm $70

 

 EXPRESS REGISTRATION
GM George Koltanowski Memorial Feb 20th-March 27th Fridays 7:00pm $70   EXPRESS REGISTRATION
GM Marcel Sisniega Memorial April 3rd-May 8th Fridays 7:00pm $70

 

 

 EXPRESS REGISTRATION
Tom Dorsch Memorial May 15th-June 19th Fridays 7:00pm $70   EXPRESS REGISTRATION
Alan Glasscoe Memorial June 26th-July 31st Fridays 7:00pm $70   EXPRESS REGISTRATION
GM Walter Browne Memorial TBD Fridays 7:00pm $70   TBD
Richard Shorman Memorial TBD Fridays 7:00pm $70

 

 

 TBD
BCC Championship 2026 TBD Fridays 7:00pm $90   TBD