CChessStats

25th Addison Memorial Tournament - 1600-1999

Open SwissStandard

36 players participated in this 4-round tournament, held from 02 May 2026 to 03 May 2026 in San Francisco, CA, United States. 1 titled players from 4 federations. Top 10 Elo average was 1765, and top seed was Isaac Zhao (🇦🇺 AUS, CM, 1959).

Daniel Sevall (🇺🇸 USA, 1719) won with 3.5/4, ahead of Isaac Zhao (3.5) and Ansh Shah (3.0). Sevall won on tie-break after catching the field in the final round.

The biggest upset came in round 4: Eric Yichen Huang (1530) beat Pranav Khandelwal (1756), a +226-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
02 May 2026 → 03 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇦🇺CMIsaac Zhao1959
Avg top 10
1,765
Participants
36
Titled players · 1
CM×1
Federations · 4 represented
🇺🇸United States of America×31
FIDE (no federation)×1
🇦🇺Australia×1
🇮🇳India×1
Top 3
  • 🥇
    🇺🇸USA·1719
    3.5pts·2017perf+21.6
  • 🥈
    🇦🇺AUS·1959
    3.5pts·2019perf+4.0
  • 🥉
    🇺🇸USA·1665
    3.0pts·1837perf+23.6

How it unfolded

Top 6 · 4 rounds

Tight race until R4; 2 players tied at 3.5/4, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
11
4
1
2
1234R1R2R3R4
Zhao3.5Sevall3.5Shah33Patil2.5Karthik2.5— ex-leaders:led R3, #14
R4 · TIEBREAK CLUSTER

2 players finish on 3.5/4. Sevall takes the title on Buchholz Cut1 (8.5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

CM Isaac Zhao drew with Daniel Sevall (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMIsaac Zhao*
½
——
2Daniel Sevall
½
*——
3Ansh Shah——*—
4FIDE 25096583———*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Sevall, Daniel1719USA+9N+14B=2N+5B3.58.510.58.752017+21.6
2Zhao, IsaacCM1959AUS+33B+7N=1B+6N3.58.59.07.252019+4.0
3Shah, Ansh1665USA=5B=13N+24B+30N3.05.56.54.251837+23.6
4FIDE 250965830—+36N+15B+27NF3.03.03.03.0016730.0
5FIDE 5660129700—=3N+11B+21N−1N2.59.010.55.5017290.0
6Kayal, Rishan1689USA=12N+25B+8N−2B2.58.09.04.501782+18.0
7Doshi, Ansh Ankit1764USA+35N−2B+29N=13B2.56.56.52.001781+4.0
8Shyam Gopal Karthik1647IND+20N=21B−6B+22N2.55.57.03.751730+17.6
9Patil, Anushka1658USA−1B=32N+35B+26N2.55.05.01.251760+21.6
10Vuluvala, Ritvik1720FID=25N=12B=34N+20B2.54.55.03.251620-19.6
11Mo, Kayden Pak1689USA=23B−5N+32B+34N2.54.55.01.751836+21.2
12Huang, Eric Yichen1530USA=6B=10N−18B+32N2.07.07.53.001699+35.6
13Dai, Jonathan1537USAF=3B+23N=7N2.07.07.04.251768+36.4
14Jagath, Roshan1616USA+32B−1N+28B−16N2.06.57.01.501661+9.6
15Navaneetha Prabhu, Arjunsai1629USA+28B−4N−16B+24N2.06.07.02.001701+11.2
16Liu, Kaihan1529USAFF+15N+14B2.04.04.04.002423+50.4
17Meacham, Max Katkin1701USA−24B+26N−30B+28N2.03.04.02.001570-28.4
18Tamondong, Cesar1630USAFF+12N+27B2.03.03.03.002330+7.2
19Seidel, Eli1649USA+26B+24NFF2.02.02.02.002324+26.4
20Hua, Joshua1526USA−8B=22N+33B−10N1.56.57.01.251505-6.4
21Harish, Vidyuth1761USA+22B=8N−5BF1.56.56.52.751798+3.2
22Korde, Varad Y1562USA−21N=20B+25N−8B1.55.56.51.751549-4.0
23Kumar, Vihaan1500USA=11NF−13B+29B1.55.55.52.251592+14.8
24Chan, John1562USA+17N−19B−3N−15B1.07.09.02.001468-9.2
25Li, Joylin1611USA=10B−6N−22B=33N1.06.57.01.501409-41.6
26Wang, Yulan1485USA−19N−17B+36N−9B1.06.56.50.001468-2.8
27Saliva, Samuel Allen0USAF+31N−4B−18N1.06.06.01.0017550.0
28Macharla, Vasisht1638USA−15N+36B−14N−17B1.06.06.00.001453-38.0
29Zhang, Jessica1550USA−31B+33N−7B−23N1.05.05.50.501452-22.8
30Liu, Scott Yixuan1593USAFF+17N−3B1.05.05.02.001683+10.0
31Huskins, Robert1880USA+29N−27BFF1.02.02.01.002350+4.8
32Khandelwal, Pranav1756USA−14N=9B−11N−12B0.57.09.01.251301-88.0
33Chen, Felix Y1437USA−2N−29B−20N=25B0.56.07.00.501309-23.2
34Long, Teresa1434USAFF=10B−11B0.55.05.01.251512+6.0
35Krezanoski, Paul1699USA−7BF−9NF0.05.05.00.00911-38.8
36Gutta, Anirudh1637USA−4B−28N−26BF0.05.05.00.00762-48.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
25th Addison Memorial Tournament - 1600-1999 — San Francisco, CA, United States | Chess Tournament Results | ChessStats