2025 Eastern Ontario Open

Open SwissStandard

43 players participated in this 5-round tournament, held from 13 Jun 2025 to 15 Jun 2025 in Ottawa, Ontario, Canada. 12 titled players from 2 federations. Top 10 Elo average was 0.

Bator Sambuev (🇨🇦 CAN, GM, 0) won with 4.5/5, ahead of Vincent Latorre (4.0) and Shawn Rodrigue-Lemieux (4.0). Sambuev won solo starting round 4.

Location

🇨🇦Ottawa, Ontario, Canada

Dates

13 Jun 2025 → 15 Jun 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Avg top 10

Participants

Titled players · 12

GM×3

IM×1

FM×3

CM×3

WIM×1

WCM×1

Federations · 2 represented

🇨🇦Canada×42

🇱🇧Lebanon×1

Top 3

🥇
GMBator Sambuev
🇨🇦CAN
4.5pts·2507perf+5.0
🥈
FMVincent Latorre
🇨🇦CAN
4.0pts·2468perf+24.2
🥉
GMShawn Rodrigue-Lemieux
🇨🇦CAN
4.0pts·2413perf-4.2

How it unfolded

Top 6 · 5 rounds

GM Bator Sambuev led from R4; +0.5-point edge over the runner-up.

Co-leaders

Sambuev4.5Chen4Rodrigue-Lemieux4Latorre4Preotu3.5Demchenko3.5

R4–R5 · LEAD HELD

GM Bator Sambuev held the sole lead from R4 through R5 without losing it.

WIN STREAKS · 2 top finishers

GM Bator Sambuev 4 wins (R1–R4)CM Max Chen 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMBator Sambuev	*	—	—	½
2CMMax Chen	—	*	—	—
3GMShawn Rodrigue-Lemieux	—	—	*	½
4FMVincent Latorre	½	—	½	*

Grille américaine

#	Player	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Sambuev, BatorGM	CAN	+16N	+17B	+9N	+5B	=2N	4.5	13.0	15.5	13.50	2507	+5.0
2	Latorre, VincentFM	CAN	+15N	+30B	=3B	+18N	=1B	4.0	14.0	16.0	11.75	2468	+24.2
3	Rodrigue-Lemieux, ShawnGM	CAN	+28N	+14B	=2N	=8N	+12B	4.0	13.0	15.0	11.50	2413	-4.2
4	Chen, MaxCM	CAN	−24N	+33B	+27N	+17B	+9N	4.0	9.5	11.0	9.00	2199	-6.8
5	Jaferian, KooshaFM	CAN	+23B	+19N	+11B	−1N	=8B	3.5	13.0	15.5	9.50	2250	-1.4
6	Preotu, RazvanGM	CAN	+34B	+13N	F	=11N	+25B	3.5	11.0	12.5	8.00	2413	-1.7
7	Demchenko, SvitlanaWIM	CAN	+39B	−20N	+26B	=10N	+21B	3.5	10.0	11.0	7.00	2086	-4.4
8	Moses, NeilCM	CAN	+38N	+26B	F	=3B	=5N	3.0	13.0	14.5	7.25	2393	+38.0
9	Masse, Hugues	CAN	+37B	+25N	−1B	+16N	−4B	3.0	13.0	14.5	6.00	2060	-1.2
10	Yu, Jonathan	CAN	+35N	=18B	=12N	=7B	=11B	3.0	12.0	13.5	7.50	2178	+20.0
11	Wiebe, Isaac	CAN	+33N	+24B	−5N	=6B	=10N	3.0	12.0	13.5	6.75	2148	+8.4
12	Dukic, ZacharyFM	CAN	=31B	+32N	=10B	+20N	−3N	3.0	11.5	13.5	7.00	2106	-8.0
13	Azar, Sebastien	CAN	+42N	−6B	−16N	+22B	+28N	3.0	10.5	11.0	5.00	1956	-7.2
14	Lattafi, Youcef	CAN	+29B	−3N	+36B	−25N	+27B	3.0	10.0	11.5	5.50	1958	+18.8
15	Vu, Huy Minh	CAN	−2B	=40N	+34B	=19N	+26B	3.0	10.0	11.0	5.25	2001	+64.8
16	Hong, Zihan	CAN	−1B	+43N	+13B	−9B	=19N	2.5	13.0	13.5	4.75	2032	+35.6
17	Rousskikh, Maxim	CAN	+43B	−1N	+29B	−4N	=20B	2.5	13.0	13.5	3.75	2029	+4.2
18	Sai Krishna G VIM	CAN	+21B	=10N	+20B	−2B	F	2.5	12.0	12.0	6.50	2177	-8.5
19	Monaghan, Jim	CAN	+22N	−5B	=24N	=15B	=16B	2.5	11.5	13.5	6.25	1893	-26.8
20	Saine, Zachary	CAN	+41N	+7B	−18N	−12B	=17N	2.5	11.5	12.5	5.75	2087	+5.6
21	Zhu, Elber	CAN	−18N	=35B	+41N	+24B	−7N	2.5	9.5	10.5	3.75	1909	+4.4
22	Dukkardt, Vladimir	CAN	−19B	=39N	+32B	−13N	+37B	2.5	9.0	10.0	4.00	1863	+39.2
23	Kellar, Ben	CAN	−5N	F	=39B	+36N	+34B	2.5	7.5	7.5	3.50	2018	+13.8
24	Pelev, Iassen	CAN	+4B	−11N	=19B	−21N	=40N	2.0	12.0	13.0	5.75	1886	+1.0
25	Tan, Shuwen	CAN	F	−9B	+30N	+14B	−6N	2.0	11.5	11.5	5.00	1999	+54.0
26	Jiang Barron, Jiyu	CAN	+36B	−8N	−7N	+42B	−15N	2.0	11.0	11.5	2.00	1738	-51.6
27	Gordon, DavidCM	CAN	F	+31N	−4B	+35B	−14N	2.0	10.5	10.5	3.50	1914	-9.0
28	Lin, Austin	CAN	−3B	−29N	+40B	+39N	−13B	2.0	10.0	11.0	2.00	1803	-12.0
29	Leliveld, Andrew	CAN	−14N	+28B	−17N	−30B	+39B	2.0	9.5	10.5	3.00	1808	+9.2
30	Nassar, Marc	LBN	+40B	−2N	−25B	+29N	F	2.0	9.0	9.0	3.00	1836	-9.8
31	Pollitt, Henry	CAN	=12N	−27B	−35N	=33B	+42N	2.0	8.0	8.5	2.75	1721	-20.8
32	Fiset, Anais ChloeWCM	CAN	F	−12B	−22N	+43N	+35B	2.0	7.5	7.5	2.00	1849	+3.6
33	Graham, Douglas	CAN	−11B	−4N	=37B	=31N	=36B	1.5	10.5	12.0	2.50	1740	-5.6
34	Iordanescu, Victor Nicolae	CAN	−6N	=42B	−15N	+41B	−23N	1.5	10.0	10.5	1.25	1170	-54.8
35	Byl, Oliver	CAN	−10B	=21N	+31B	−27N	−32N	1.5	9.5	11.5	3.25	1750	+0.8
36	Beardall, Ben	CAN	−26N	+38B	−14N	−23B	=33N	1.5	9.0	10.5	2.25	1544	-30.8
37	Zhu, Edison	CAN	−9N	−41B	=33N	+38B	−22N	1.5	8.5	9.5	2.25	1572	-21.6
38	Saad Bouzid, Massinissa	CAN	−8B	−36N	=43B	−37N	+41N	1.5	7.0	7.5	1.25	1509	0.0
39	Filion, Samuel	CAN	−7N	=22B	=23N	−28B	−29N	1.0	10.5	12.5	2.50	1613	-46.8
40	Scrieciu, Cristian	CAN	−30N	=15B	−28N	F	=24B	1.0	9.0	9.0	2.50	1644	+5.2
41	Martin, Braden	CAN	−20B	+37N	−21B	−34N	−38B	1.0	8.0	9.5	1.50	1676	0.0
42	Thompson, Francis	CAN	−13B	=34N	F	−26N	−31B	0.5	8.5	8.5	0.75	1609	0.0
43	Knechtel, Thomas	CAN	−17N	−16B	=38N	−32B	F	0.5	8.5	8.5	0.75	1091	-20.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Vu, Huy MinhCAN
+64.8
3.0 pts · #12
2Tan, ShuwenCAN
+54.0
2.0 pts · #26
3Dukkardt, VladimirCAN
+39.2
2.5 pts · #16

Top rating losers

1Iordanescu, Victor NicolaeCAN
-54.8
1.5 pts · #43
2Jiang Barron, JiyuCAN
-51.6
2.0 pts · #37
3Filion, SamuelCAN
-46.8
1.0 pts · #35