CChessStats

2025 ACC Hot Heads (Crown)

Open SwissStandard

34 players participated in this 5-round tournament, held from 18 Aug 2025 to 22 Sept 2025 in Toronto, ON, Canada. 2 titled players from 4 federations. Top 10 Elo average was 2111, and top seed was Koosha Jaferian (🇨🇦 CAN, FM, 2418).

Merlin Nazareno (🇨🇦 CAN, 2044) won with 4.5/5, ahead of Ben Gabriel Smolkin (4.5) and David Southam (4.0). Nazareno shared the lead from round 2, winning on tie-break.

The biggest upset came in round 2: Ben Gabriel Smolkin (1892) beat Amirmahdi Hosseinzadeh (2134), a +242-point gap.

Location
🇨🇦Toronto, ON, Canada
Dates
18 Aug 2025 → 22 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦FMKoosha Jaferian2418
Avg top 10
2,111
Participants
34
Titled players · 2
FM×1
CM×1
Federations · 4 represented
🇨🇦Canada×30
🇮🇷Iran×1
🇦🇱Albania×1
🇵🇭Philippines×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
11
5
3
2
2
1.52.545R1R2R3R4R5
R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Nazareno takes the title on Buchholz Cut1 (12.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Ben Gabriel Smolkin drew with Merlin Nazareno (Black).

WIN STREAKS · 2 top finishers

Ben Gabriel Smolkin 3 wins (R1–R3)Merlin Nazareno 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ben Gabriel Smolkin*
½
—
1
2Merlin Nazareno
½
*——
3David Southam——*—
4Amirmahdi Hosseinzadeh
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Nazareno, Merlin2044CAN+29N+8B+12N=2B+4N4.512.012.09.752168+38.4
2Smolkin, Ben Gabriel1892CAN+31B+5N+21B=1N+11B4.510.510.58.252130+60.0
3Southam, David2002CAN+32B+19N−4N+18B+13B4.07.07.04.001926+10.8
4Blair, Michael2062CAN+30B+20N+3B−5N−1B3.012.512.55.001806-8.0
5Hosseinzadeh, Amirmahdi2134CAN+17N−2B+22N+4BF3.010.010.05.501985+22.4
6Chin, Adrian1874CANF=27N+14B+29B=10N3.05.05.03.5017380.0
7Jaferian, KooshaFM2418CANFF+16B+30N+15B3.03.53.53.502685+3.2
8Mammadov, Nihad1783CAN+13B−1N−11B=9N+22B2.511.012.04.251753-7.6
9Mittal, Aashwin1865CAN−14N−10B+29N=8B+18N2.58.08.02.251804+28.0
10Tenkov, Arkadii1941CANF+9N+28BF=6B2.56.06.04.502466+32.0
11Lukinykh, Slava2072CANFF+8N+12B−2N2.09.09.04.501936+14.4
12Vinuya, Ruth Joy1931PHI+27B+14N−1B−11NF2.09.09.02.501028-18.8
13Lau, Jayden1926CAN−8N+29B−18N+19B−3N2.08.58.51.001633-32.8
14Ecksel, Scott1646CAN+9B−12B−6N=?N=28B2.08.08.02.7517130.0
15Katz, Lyam1859CAN−23N−24B+33B+28N−7N2.05.55.50.501749-7.0
16Sherman, Joshua1931CAN−20N=17B−7N+27BF1.56.06.01.251782-4.8
17Dick, Joel1845CAN−5B=16N+27BFF1.55.05.01.251075-13.6
18Ugodnikov, Arkadiy1726CANFF+13B−3N−9B1.08.58.52.001630+0.8
19Kolndreu, Albion1735ALB+33N−3BF−13NF1.06.06.00.00997-9.4
20Chen, Aleksandr1795CAN+16B−4BFF−21N1.05.55.51.50999-32.0
21Allahverdi, Umid1861CANFF−2NF+20B1.05.55.51.001043-13.2
22Furrow, Matthew1903CANF+30N−5BF−8N1.05.55.50.001659-2.0
23England, MaxCM2329CAN+15BFFFF1.02.02.02.002599+1.6
24Cholakis, Max1932CANF+15NFFF1.02.02.02.002576+21.2
25Haji Ghanbari, Nader2036IRIFFFF+34N1.00.00.00.002376+3.0
26Dela Torre, Marife2070CANFFF+34BF1.00.00.00.002376+3.8
27Zivojinovic, Viktor1792CAN−12N=6B−17N−16N−?B0.58.08.01.5010310.0
28Stein, Michael1778CANFF−10N−15B=14N0.56.56.51.00957-29.2
29Fines, John1815CAN−1B−13N−9B−6NF0.012.012.00.00945-26.0
30Molina, Jesus1834CAN−4N−22BF−7BF0.07.07.00.001087-34.4
31Schyngera, Eli1773CAN−2NFFFF0.04.54.50.001043-6.8
32Dhingra, Tanishq Kumar1805CAN−3NFFFF0.04.04.00.001040-7.6
33FIDE 26208121886—−19BF−15NFF0.03.03.00.008830.0
34Papadatos, Stephen1815CANFFF−26N−25B0.02.02.00.001050-13.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2025 ACC Hot Heads (Crown) — Toronto, ON, Canada | Chess Tournament Results | ChessStats