CChessStats

2026 ACC Seeing Shadows

Open SwissStandard

38 players participated in this 5-round tournament, held from 12 Jan 2026 to 23 Feb 2026 in Toronto, Canada. 1 titled players from 3 federations. Top 10 Elo average was 2124, and top seed was Jeffrey R Zhao (🇨🇦 CAN, 2214).

Amirmahdi Hosseinzadeh (🇨🇦 CAN, 2173) won with 4.0/5, ahead of Ethan Moon (3.5) and David Southam (3.5). Hosseinzadeh won solo starting round 3.

The biggest upset came in round 1: Armand Jess Mendoza (1847) beat Sergey Malakhovets (2131), a +284-point gap.

Location
🇨🇦Toronto, Canada
Dates
12 Jan 2026 → 23 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦Jeffrey R Zhao2214
Avg top 10
2,124
Participants
38
Titled players · 1
FM×1
Federations · 3 represented
🇨🇦Canada×35
🇦🇱Albania×1
🇵🇭Philippines×1
Top 3

How it unfolded

Top 6 · 5 rounds

Amirmahdi Hosseinzadeh led from R3; +0.5-point edge over the runner-up.

Co-leaders
14
6
1
1
1
1.52.545R1R2R3R4R5
R3–R5 · LEAD HELD

Amirmahdi Hosseinzadeh held the sole lead from R3 through R5 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Amirmahdi Hosseinzadeh beat David Southam (Black).

WIN STREAKS · 2 top finishers

Amirmahdi Hosseinzadeh 4 wins (R1–R4)Merlin Nazareno 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Amirmahdi Hosseinzadeh*
1
2David Southam
0
*
½
3Merlin Nazareno*
4Ethan Moon
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Hosseinzadeh, Amirmahdi2173CAN+34B+28N+11B+3NF4.07.07.07.002603+43.2
2Moon, Ethan2155CAN+9B+24N=3B+11N7B3.511.012.07.252013+10.4
3Southam, David2054CAN+15N+26B=2N1B+16B3.510.511.55.751925+15.0
4Lazarev, Shon2041CAN+25B+16N=21BF+6N3.57.07.06.252080+25.2
5Nazareno, Merlin2064CAN=19N23B+18N+24B+8N3.56.57.55.751857-3.8
6Malakhovets, Sergey2131CAN26N+15B+29B+23N4B3.07.08.03.501827-17.8
7Zhao, Jeffrey R2214CAN+17N+30BFF+2N3.06.06.06.002634+12.2
8Lau, Jayden1899CAN+10B11B+13N=14N5B2.510.012.05.501758+16.4
9Furrow, Matthew1858CAN2NF=12B+25N+23B2.57.57.53.001835+16.2
10Sherman, Joshua1913CAN8N=18B+19NF+27B2.56.56.53.251769-1.6
11Mittal, Aashwin2061CAN+27B+8N1N2BF2.011.011.03.501849+2.0
12Xiao, Stephanie1708CAN14N=35B=9N=15B=13N2.08.08.53.251573-20.8
13Bakradze, Joshua1721CAN24B+34N8B=17N=12B2.07.07.52.251675+23.4
14Vinuya, Ruth Joy1962PHI+12B=22NF=8BF2.06.06.04.001898+7.2
15Zivojinovic, Viktor1770CAN3B6NF=12N+17B1.510.010.02.501720+8.4
16Moran-Venegas, Mario1699CANF4B=25B+35N3N1.58.58.51.001636+10.8
17Allahverdi, Umid1905CAN7B=25N=20N=13B15N1.58.09.02.251523-53.6
18Ugodnikov, Arkadiy1736CAN28B=10N5B31N+35B1.58.08.51.7516390.0
19Zhao, Shannon1801CAN=5B29N10B+34NF1.57.57.52.251726+24.4
20FIDE 2681315173030NF=17B27N+34B1.54.04.01.2516850.0
21Chertkow, Matthew2105CAN+38BF=4NFF1.53.53.51.751794-0.8
22Bao, Tony Bohan2172CAN+35N=14BFFF1.52.52.51.501905-2.4
23Dick, Joel1890CANF+5NF6B9N1.09.09.03.501728+1.2
24Campbell, BrettFM1964CAN+13N2BF5NF1.09.09.02.001660-17.8
25Fines, John1762CAN4N=17B=16N9BF1.09.09.01.501498-16.8
26Mendoza, Armand Jess1847CAN+6B3NFFF1.06.56.53.001900+6.0
27Beal, Greg1787CAN11NFF+20B10N1.06.06.01.501008-36.8
28Blair, Michael1986CAN+18N1BFFF1.05.55.51.501806-0.4
29Tenkov, Arkadii1968CANF+19B6NFF1.04.54.51.501784-3.2
30Mammadov, Nihad1967CAN+20B7NFFF1.04.54.51.501278-6.0
31Daigneault, Henry2011CANFFF+18BF1.01.51.51.502431+10.0
32Schyngera, Eli1730CANFFF+37BF1.00.00.00.002621+33.2
33Cabioc, Jose1610CANFFFF+37N1.00.00.00.002621+17.2
34Katz, Lyam1902CAN1N13B=36N19B20N0.59.09.50.251412-31.0
35Kolndreu, Albion1872ALB22B=12NF16B18N0.56.56.51.001370-23.4
36Lukinykh, Slava2112CANFF=34BFF0.50.50.50.251745-8.4
37Jiang, Jeffrey1624CANFFF32N33B0.02.02.00.00731-67.6
38Izrailov, David1633CAN21NFFFF0.01.51.50.0010230.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets