CChessStats

33rd annual Western Class Championship - Master

SwissStandard

32 players participated in this 5-round tournament, held from 06 Mar 2026 to 08 Mar 2026 in Irvine, CA, United States. 12 titled players from 3 federations. Top 10 Elo average was 2300, and top seed was Jianchao Zhou (🇺🇸 USA, GM, 2584).

Ryan Amburgy (🇺🇸 USA, FM, 2315) won with 4.0/5, ahead of Julian Colville (4.0) and Jianchao Zhou (3.5). Amburgy won on tie-break after catching the field in the final round.

The biggest upset came in round 1: Glenn Zhang (1936) beat Shaashwath Sivakumar (FM, 2241), a +305-point gap.

Location
🇺🇸Irvine, CA, United States
Dates
06 Mar 2026 → 08 Mar 2026
Time control
Standard: 40 Moves in 80 Min. Del. 30 Sec. / / 30 Min. Del. 30 Sec.
System
Swiss · 5 rounds
Top seed
🇺🇸GMJianchao Zhou2584
Avg top 10
2,300
Participants
32
Titled players · 12
GM×3
IM×1
FM×4
CM×2
WFM×1
WCM×1
Federations · 3 represented
🇺🇸United States of America×29
🇨🇦Canada×2
🇮🇹Italy×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.0/5, decided on Buchholz.

Co-leaders
9
3
1
1
2
1.52.545R1R2R3R4R5Zhou takes lead
R4 · LEADER CHANGE08 Mar

GM Jianchao Zhou takes the sole lead (3.5/4).

R5 · TIEBREAK CLUSTER

2 players finish on 4.0/5. Amburgy takes the title on Buchholz Cut1 (11.0).

R1–R5 · UNBEATEN

IM Julian Colville went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMJulian Colville*
1
2FMRyan Amburgy*
3GMJianchao Zhou
0
*
4FMShaashwath Sivakumar*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Amburgy, RyanFM2315USA=10N+6B+15N=24B+5N4.011.012.510.502384+13.0
2Colville, JulianIM2364USA+17B=9N+26B=8N+3B4.011.012.09.252377+5.2
3Zhou, JianchaoGM2584USA+11N+29B=24N+5B2N3.511.012.07.252475-4.8
4Sivakumar, ShaashwathFM2241USA7B+25N=9B+26N+10B3.59.010.05.752135-11.4
5Corrales Jimenez, FidelGM2504USA+25B+7N+8B3N1B3.013.514.57.002314-9.0
6Liu, Liam1900USA+16B1N=12B+11N=13B3.011.514.07.502189+69.6
7Zhang, Glenn1936USA+4N5B+27N=14B=12B3.011.512.57.002238+75.2
8Prestia, Paris2073USA+32N+23B5N=2B=24N3.010.010.04.252307+27.4
9Ghods, Maziar2020ITA+18N=2B=4N=19B14N2.512.014.06.752181+19.8
10Bagdasarian, Ararat1972USA=1B+28N=19N=21B4N2.511.512.55.002121+36.0
11Zhu, Alexander2021USA3B+13N=30N6B+23N2.510.511.04.252101+16.0
12Porat, ToriWCM2044USAF=21B=6N+23B=7N2.59.59.55.502050+0.8
13Guo, Felix2270USA23N11B+32N+28B=6N2.58.08.02.501970-70.0
14Liu, PatrickFM2117USAFF+17B=7N+9B2.57.57.56.002260+19.2
15Gao, HeyeCM1939CANF+31N1B=22B+27N2.57.57.52.502230+58.4
16Miller, Ike S1950USA6N+32B=23N+30BF2.55.05.01.252039+9.2
17Bates, Evan2005USA2N+18B14N27B+25B2.09.510.53.002068+12.4
18Andrews, ToddFM2121USA9B17N+25B20N+32B2.07.57.51.001926-26.8
19Zhou, Ivan2065USAF+20N=10B=9NF2.07.07.04.502122+8.8
20Qi, JennyWFM1998USAF19B=28N+18B=22N2.07.07.03.502058+13.2
21Bhatta, Rohit2001USAF=12N+29B=10NF2.06.06.03.502117+9.2
22Golsefidy, Sepehr2062USAFF+31B=15N=20B2.05.05.02.752126+10.0
23Paragiri, Reyansh1983USA+13B8N=16B12N11B1.510.513.03.751922-16.2
24De Firmian, NickGM2392USAFF=3B=1N=8B1.510.510.55.252324-2.3
25Sankar, Tarun2002USA5N4B18N+31B17N1.010.511.00.501927-20.8
26Leano, Bryan2001USAFF2N4B+30N1.08.08.00.502053+2.0
27Jammalamadaka, VihaanCM2096USAFF7B+17N15B1.07.57.52.001835-41.6
28Vichare, Ruhan Yogesh1984USAF10B=20B13N=31N1.07.57.51.251884-22.0
29Gattani, Sarthak1961USA+30B3N21NFF1.06.06.00.501973-2.4
30Gartland, James1931USA29NF=11B16N26B0.57.07.01.251661-24.2
31Leong, Aiden2067CANF15B22N25N=28B0.56.56.50.501674-75.2
32Gianatasio, Michael1963USA8B16N13BF18N0.010.010.00.001303-26.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets