2025 Chess4Win June Markham U1900

Open SwissStandard

25 players participated in this 5-round tournament, held from 27 Jun 2025 to 29 Jun 2025 in Toronto, ON, Canada. Top 10 Elo average was 1623, and top seed was Dharsan Satish Alwar (🇨🇦 CAN, 1721).

Lyam Katz (🇨🇦 CAN, 1661) won with 4.5/5, ahead of Riley Chen (4.0) and Dylan Tian (3.5). Katz won solo starting round 4.

The biggest upset came in round 4: Shannon Zhao (1470) beat Lucy Yang (1605), a +135-point gap.

Location

🇨🇦Toronto, ON, Canada

Dates

27 Jun 2025 → 29 Jun 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇨🇦Dharsan Satish Alwar1721

Avg top 10

1,623

Participants

Federations · 1 represented

🇨🇦Canada×25

Top 3

🥇
Lyam Katz
🇨🇦CAN·1661
4.5pts·1937perf+28.0
🥈
Riley Chen
🇨🇦CAN
4.0pts·1657perf0.0
🥉
Dylan Tian
🇨🇦CAN·1561
3.5pts·1857perf+31.6

How it unfolded

Top 6 · 5 rounds

Lyam Katz led from R4; +0.5-point edge over the runner-up.

Co-leaders

Katz4.5Chen4Wang3.5Dhingra3.5Zhao3.5Tian3.5

R4–R5 · LEAD HELD

Lyam Katz held the sole lead from R4 through R5 without losing it.

R2–R5 · WIN STREAK

Lyam Katz won 4 in a row (R2–R5).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Lyam Katz	*	—	—	1
2Riley Chen	—	*	—	—
3Alan Wang	—	—	*	—
4Tanishq Kumar Dhingra	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Katz, Lyam	1661	CAN	=12N	+22B	+11B	+4N	+14B	4.5	11.0	12.0	10.75	1937	+28.0
2	Chen, Riley	0	CAN	=3N	+5B	=9N	+8B	+7N	4.0	13.0	15.5	12.50	1657	0.0
3	Tian, Dylan	1561	CAN	=2B	+13N	+10B	=7B	=6N	3.5	13.0	15.5	10.25	1857	+31.6
4	Dhingra, Tanishq Kumar	1557	CAN	+15N	+9B	=7N	−1B	+20N	3.5	12.5	14.0	8.00	1744	+39.6
5	Zhao, Shannon	1470	CAN	=13B	−2N	+17B	+10N	+11B	3.5	11.5	13.5	8.25	2349	+48.4
6	Wang, Alan	0	CAN	+20N	−7B	+25N	+22B	=3B	3.5	9.0	9.0	4.25	1620	0.0
7	Satish Alwar, Dharsan	1721	CAN	+21B	+6N	=4B	=3N	−2B	3.0	14.5	16.0	8.50	1556	-17.6
8	Kwan, Toy Chack	1621	CAN	+18B	=10N	=14B	−2N	+9N	3.0	11.5	13.5	7.00	1756	+10.8
9	Bhanot Khurana, Vihaan	1615	CAN	+17B	−4N	=2B	+13N	−8B	2.5	13.0	15.0	6.50	789	-42.8
10	Yang, Lucy	1605	CAN	+24N	=8B	−3N	−5B	+18N	2.5	12.0	12.0	3.50	1461	-32.4
11	Jia, Jasper Yunjie	1492	CAN	+16N	+25B	−1N	=20B	−5N	2.5	12.0	12.0	3.25	1419	-12.0
12	Divadalage, Sanya	1510	CAN	=1B	−19N	+16B	−15N	+21B	2.5	11.5	13.0	6.25	1436	-7.2
13	Huang, Frankie	0	CAN	=5N	−3B	+23N	−9B	+22N	2.5	10.5	11.0	3.25	1479	-22.0
14	Chamberland, Luc	1673	CAN	F	+23B	=8N	+19B	−1N	2.5	10.0	10.0	4.00	1448	-11.8
15	Li, Alyssa Zhuojing	1597	CAN	−4B	−17N	+24N	+12B	=19N	2.5	10.0	10.0	3.50	1662	+10.4
16	Wang, Justin	0	CAN	−11B	=21N	−12N	+23B	+24B	2.5	7.0	7.0	1.25	1391	0.0
17	Cao, Allen	0	CAN	−9N	+15B	−5N	−18B	+25N	2.0	10.5	10.5	2.50	1546	0.0
18	Sahni, Anagh	0	CAN	−8N	+24B	−20B	+17N	−10B	2.0	9.0	9.0	2.00	1465	-8.8
19	Chen, Darren	0	CAN	=23N	+12B	F	−14N	=15B	2.0	8.0	8.0	4.00	1593	0.0
20	Lai, Oscar	0	CAN	−6B	F	+18N	=11N	−4B	1.5	11.5	11.5	3.25	1332	0.0
21	Liu, Ziyang Robin	0	CAN	−7N	=16B	−22N	+25B	−12N	1.5	9.0	9.0	1.25	1395	0.0
22	Huang, Max	1621	CAN	F	−1N	+21B	−6N	−13B	1.0	12.0	12.0	1.50	861	-17.6
23	O`sullivan, Conor	0	CAN	=19B	−14N	−13B	−16N	F	0.5	9.5	9.5	1.00	873	0.0
24	Shen, Yuntian(denis)	1544	CAN	−10B	−18N	−15B	F	−16N	0.0	9.5	9.5	0.00	801	-34.0
25	Delgashev, Victor	1500	CAN	F	−11N	−6B	−21N	−17B	0.0	9.5	9.5	0.00	692	-20.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Zhao, ShannonCAN
+48.4
3.5 pts · #7
2Dhingra, Tanishq KumarCAN
+39.6
3.5 pts · #4
3Tian, DylanCAN
+31.6
3.5 pts · #11

Top rating losers

1Bhanot Khurana, VihaanCAN
-42.8
2.5 pts · #23
2Shen, Yuntian(denis)CAN
-34.0
0.0 pts · #22
3Yang, LucyCAN
-32.4
2.5 pts · #9

Biggest upsets

R4+135 Elo gap
Zhao, Shannon1470 beat Yang, Lucy1605