CChessStats

2025 ACC Pearl of Summer (Crown)

Open SwissStandard

23 players participated in this 5-round tournament, held from 02 Jun 2025 to 30 Jun 2025 in Toronto, Ontario, Canada. 2 federations represented. Top 10 Elo average was 1993, and top seed was Nicholas Vettese (🇨🇦 CAN, IM, 2513).

Slava Lukinykh (🇨🇦 CAN, 2002) won with 4.0/5, ahead of Amirmahdi Hosseinzadeh (3.5) and Lyam Katz (3.0). Lukinykh took the lead from round 4.

The biggest upset came in round 2: Joshua Sherman (1917) beat Nicholas Vettese (IM, 2513), a +596-point gap.

Location
🇨🇦Toronto, Ontario, Canada
Dates
02 Jun 2025 → 30 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Avg top 10
1,993
Participants
23
Federations · 2 represented
🇨🇦Canada×21
🇵🇭Philippines×1
Top 3

How it unfolded

Top 6 · 5 rounds

Slava Lukinykh led from R4; +0.5-point edge over the runner-up.

Co-leaders
6
1
1
1
1
1.52.545R1R2R3R4R5Lukinykh takes lead
R4 · LEADER CHANGE23 Jun

Slava Lukinykh takes the sole lead (3.5/4).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Slava Lukinykh beat Amirmahdi Hosseinzadeh (White).

WIN STREAKS · 2 top finishers

Slava Lukinykh 3 wins (R2–R4)Amirmahdi Hosseinzadeh 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Slava Lukinykh*
1
½
2Amirmahdi Hosseinzadeh
0
*
1
3Lyam Katz
½
*
4Arkadii Tenkov
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Lukinykh, Slava2002CAN=12B+8N+13B+2B=3N4.010.011.59.251984+42.8
2Hosseinzadeh, Amirmahdi2101CAN+22B+5N+7B1N=4N3.512.012.06.501767-20.8
3Katz, Lyam1812CAN+15B=4N+12BF=1B3.010.512.06.501905+25.6
4Mammadov, Nihad1942CAN+14N=3BF+7N=2B3.010.010.06.751866+15.2
5Tenkov, Arkadii1897CAN+6N2B=17N+16B=9B3.09.010.05.001791+14.8
6Zivojinovic, Viktor1725CAN5B=20N+18B+12N7B2.57.58.02.7517570.0
7Sherman, Joshua1917CANF+?B2N4B+6N2.09.09.02.5018870.0
8Dick, Joel1774CANF1B=15N+17B=14B2.08.08.02.501696-17.2
9Vinuya, Ruth Joy1966PHIF=13B10N+21B=5N2.07.07.02.751714-11.8
10Pollitt, Henry1960CANF+18N+9BFF2.06.06.03.002622+21.2
11Yu, Jonathan2233CANFFF+19N+12B2.02.52.52.502462+4.0
12Molina, Jesus1807CAN=1N+17B3N6B11N1.511.512.53.001721+1.2
13Fines, John1809CAN+16B=9N1NFF1.57.07.02.001780+7.4
14Mittal, Aashwin1786CAN4B16NF+20B=8N1.56.56.51.501690+3.6
15Kang, Richard1714CAN3NF=8BF+16N1.56.06.02.001716+11.2
16Furrow, Matthew1967CAN13N+14BF5N15B1.07.57.51.501471-25.0
17Allahverdi, Umid1885CANF12N=5B8N=21B1.07.07.01.751516-45.6
18Chen, Aleksandr1847CAN?N10B6NF+20B1.05.05.00.5018830.0
19Dhingra, Tanishq Kumar1791CANFFF11B+23N1.02.02.00.001157-3.2
20Yeomans, Ben1897CANF=6BF14N18N0.55.05.01.25867-29.6
21Ugodnikov, Arkadiy1751CANFFF9N=17N0.53.03.00.501585-2.6
22FIDE 267524215722NFFFF0.03.53.50.0010960.0
23Dizon, Lyndon1949CANFFFF19B0.01.01.00.00757-34.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets