CChessStats

2025 ACC Ted Winick Memorial (Crown)

Open SwissStandard

35 players participated in this 5-round tournament, held from 29 Sept 2025 to 10 Nov 2025 in Toronto, ON, Canada. 3 titled players from 3 federations. Top 10 Elo average was 2146, and top seed was Koosha Jaferian (🇨🇦 CAN, FM, 2420).

Jeffrey R Zhao (🇨🇦 CAN, 2102) won with 4.5/5, ahead of Merlin Nazareno (4.0) and Amirmahdi Hosseinzadeh (4.0). Zhao shared the lead from round 4 and broke clear in the final round.

The biggest upset came in round 3: Albion Kolndreu (1741) beat Nader Haji Ghanbari (2043), a +302-point gap.

Location
🇨🇦Toronto, ON, Canada
Dates
29 Sept 2025 → 10 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦FMKoosha Jaferian2420
Avg top 10
2,146
Participants
35
Titled players · 3
FM×2
CM×1
Federations · 3 represented
🇨🇦Canada×32
🇮🇷Iran×1
🇦🇱Albania×1
Top 3

How it unfolded

Top 6 · 5 rounds

Jeffrey R Zhao led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
12
3
1
2
1
1.52.545R1R2R3R4R5Zhao takes lead
R5 · LEADER CHANGE10 Nov

Jeffrey R Zhao takes the sole lead (4.5/5).

WIN STREAKS · 2 top finishers

Jeffrey R Zhao 3 wins (R3–R5)Merlin Nazareno 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jeffrey R Zhao*
1
2Amirmahdi Hosseinzadeh*
½
3Merlin Nazareno*
4CMHeye Gao
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Zhao, Jeffrey R2102CAN+19N=12B+14N+5B+4B4.510.511.510.502213+60.0
2Nazareno, Merlin2084CAN+20B5N+12N+8B+7N4.010.011.08.001992+20.2
3Hosseinzadeh, Amirmahdi2130CAN+24B=6N+16B=4N+13B4.010.011.07.752098+44.8
4Gao, HeyeCM2243CAN+10N+22B+15N=3B1N3.513.014.07.501982-21.2
5Southam, David2006CAN+27N+2BF1N+9B3.011.511.57.001989+16.0
6Haji Ghanbari, Nader2043IRI+21N=3B7N+19B=10B3.010.011.05.251794-8.0
7Kolndreu, Albion1741ALBF+11N+6B=9N2B2.512.012.06.751968+37.0
8Katz, Lyam1846CAN16B+32N+27B2N=12B2.58.08.01.501686-10.2
9Tenkov, Arkadii1982CAN25N+21B+19N=7B5N2.57.58.53.251730-21.2
10Blair, Michael1987CAN4B+31NF+20B=6N2.57.57.52.501953+10.4
11Campbell, BrettFM2001CAN=29N7BF+26B+20N2.55.05.02.251771-17.4
12Mammadov, Nihad2014CAN+23B=1N2BF=8N2.012.012.04.501797-4.8
13Lazarev, Shon1899CANFF+22N+15B3N2.07.07.03.001922+13.2
14Allahverdi, Umid1945CAN=28B+33N1BF=17N2.06.56.51.001759-8.0
15Mittal, Aashwin2002CAN+32B+28N4B13NF2.06.06.00.501802+6.0
16Dela Torre, Marife2076CAN+8N=18B3NFF1.58.08.03.251972+9.4
17Sherman, Joshua1999CAN18NF+23BF=14B1.54.54.52.001886+10.8
18Jaferian, KooshaFM2420CAN+17B=16NFFF1.53.03.02.252067-6.8
19Furrow, Matthew1898CAN1B+23N9B6NF1.011.011.01.001625-6.2
20Dick, Joel1858CAN2NF+31B10N11B1.09.09.00.001653-19.2
21Papadatos, Stephen1802CAN6B9NFF+23B1.06.56.51.001657+10.8
22Lukinykh, Slava2053CAN+31B4N13BFF1.05.55.50.001732-10.0
23Stein, Michael1749CAN12N19B17N+35B21N1.05.55.50.001485-42.8
24Lau, Jayden1904CAN3N+34BFFF1.04.04.00.001113-11.2
25Bao, Tony Bohan2164CAN+9BFFFF1.02.52.52.502614+5.8
26Mendoza, Armand Jess1879CANFF+33B11NF1.02.52.50.001179-5.2
27Ugodnikov, Arkadiy1737CAN5B=30B8NFF0.56.06.00.251436-13.0
28Moon, Ethan2144CAN=14N15BFFF0.54.04.01.001559-19.4
29Schyngera, Eli1719CAN=11BFFFF0.52.52.51.251972+16.8
30Cabioc, Jose1613CANF=27NFFF0.50.50.50.251617+2.8
31Molina, Jesus1811CAN22N10B20NFF0.05.55.50.00992-48.8
32Miguel, Paulo1721CAN15N8BFFF0.04.54.50.009360.0
33Chin, Adrian1911CANF14B26NFF0.03.03.00.001002-37.6
34FIDE 26813151776F24NFFF0.01.01.00.009480.0
35Malmsten, Erik1857CANFFF23NF0.01.01.00.00860-12.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets