CChessStats

2026 April Irvine FIDE Weekend - Under 1800

Open SwissStandard

13 players participated in this 6-round tournament, held from 11 Apr 2026 to 12 Apr 2026 in Irvine, CA, United States. 3 federations represented. Top 10 Elo average was 644, and top seed was Tony Chen (🇨🇦 CAN, 1727).

Location
🇺🇸Irvine, CA, United States
Dates
11 Apr 2026 → 12 Apr 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇨🇦Tony Chen1727
Avg top 10
644
Participants
13
Federations · 3 represented
🇺🇸United States of America×2
🇨🇦Canada×2
🇮🇷Iran×1
Top 3

How it unfolded

Top 6 · 6 rounds

FIDE 566008832 led from R4; +0.5-point edge over the runner-up.

Co-leaders
6
1
3
1
1
1
1.534.56R1R2R3R4R5R6#566008832 takes lead
5Raeisi Dehkordi4.543.5Datta3.53.5— ex-leaders:led R4–R6, #8
R4 · LEADER CHANGE12 Apr

FIDE 566008832 takes the sole lead (3.5/4).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

FIDE 566008832 beat Siavash Raeisi Dehkordi (White).

R1–R6 · UNBEATEN

FIDE 566008832 went unbeaten across 6 games (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FIDE 566008832*
1
½
2Siavash Raeisi Dehkordi
0
*
½
3FIDE 39971554
½
½
*
4FIDE 39989577*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1FIDE 5660088320+?B=4N+?B+2B=3N+5B5.015.515.511.7516460.0
2Raeisi Dehkordi, Siavash1550IRI+9N=3B+?B1N+?B+4N4.515.015.08.0016660.0
3FIDE 399715540+10B=2N+?B=4N=1B=8N4.017.517.59.7516500.0
4Datta, Gaurav1646USA+13B=1B=8N=3B+12N2B3.518.019.08.751727+4.4
5FIDE 3430966520+?B?N+11B=10N+6B1N3.512.512.56.5015170.0
6FIDE 399895770=12B?N+?N+7B5N+10B3.510.510.56.0015370.0
7FIDE 26558610=11B=12N=10B6N=?B+?N3.09.59.53.0015170.0
8Tony Chen1727CANF=11N=4BF+10N=3B2.511.511.56.751775+4.8
9Checo, Michael0USA2B10N+?B=11N?N+?B2.58.58.51.007170.0
10Li, Charles Zirui1517CAN3N+9B=7N=5B8B6N2.016.519.05.75927-9.2
11FIDE 399363410=7N=8B5N=9B=?N?B2.011.511.54.0017270.0
12FIDE 399943500=6N=7BF+?N4BF2.010.010.03.258460.0
13FIDE 56600862004N+?B?NFFF1.03.53.50.008460.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers