2026 Collingwood Somborac Chess Festival Crown

Open SwissStandard

25 players participated in this 5-round tournament, held from 01 May 2026 to 03 May 2026 in Collingwood, Canada. 4 titled players from 5 federations. Top 10 Elo average was 0.

Razvan Preotu (🇨🇦 CAN, GM, 0) won with 5.0/5, ahead of Michael Blair (3.5) and Iassen Pelev (3.5). Preotu won solo starting round 4.

Location

🇨🇦Collingwood, Canada

Dates

01 May 2026 → 03 May 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Avg top 10

Participants

Titled players · 4

GM×1

CM×1

WFM×1

WCM×1

Federations · 5 represented

🇨🇦Canada×21

🇵🇦Panama×1

🇭🇺Hungary×1

🇺🇸United States of America×1

🇩🇪Germany×1

Top 3

🥇
GMRazvan Preotu
🇨🇦CAN
5.0pts·2902perf+4.6
🥈
Michael Blair
🇨🇦CAN
3.5pts·2043perf+28.8
🥉
Iassen Pelev
🇨🇦CAN
3.5pts·1946perf+2.2

How it unfolded

Top 6 · 5 rounds

GM Razvan Preotu led from R4; +1.5-point edge over the runner-up.

Co-leaders

Preotu5Berengolts3.5Colvin3.5Pelev3.5Siddeley3.5Blair3.5

R4–R5 · LEAD HELD

GM Razvan Preotu never relinquished the lead after R4; final gap +1.5 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

GM Razvan Preotu beat Isai Berengolts (White).

WIN STREAKS · 3 top finishers

GM Razvan Preotu 5 wins (R1–R5)Isai Berengolts 3 wins (R1–R3)Andrew Colvin 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMRazvan Preotu	*	1	1	—
2Isai Berengolts	0	*	—	—
3Andrew Colvin	0	—	*	—
4Iassen Pelev	—	—	—	*

Grille américaine

#	Player	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Preotu, RazvanGM	CAN	+4N	+12B	+8N	+5B	+7B	5.0	13.0	15.0	15.00	2902	+4.6
2	Blair, Michael	CAN	=3B	=16N	+10N	+12B	=4N	3.5	12.0	13.5	9.25	2043	+28.8
3	Pelev, Iassen	CAN	=2N	+9B	−7N	+14B	+13N	3.5	11.5	13.5	8.75	1946	+2.2
4	Colvin, Andrew	CAN	−1B	+22N	+15B	+16N	=2B	3.5	11.5	12.0	5.25	2062	+25.4
5	Berengolts, Isai	CAN	+22N	+21B	+18N	−1N	=6B	3.5	11.0	11.5	4.75	2087	+21.8
6	Siddeley, Hugh	CAN	F	+14B	+13N	+11B	=5N	3.5	10.0	10.0	8.25	2186	+22.0
7	Ajith, Aarush	CAN	F	+19N	+3B	+8B	−1N	3.0	12.5	12.5	7.50	2205	+66.0
8	Joseph Benher, Savio	CAN	+24B	+20N	−1B	−7N	+21N	3.0	10.0	10.0	2.00	2058	-12.2
9	Cheung, Oscar	CAN	=17B	−3N	=19B	+15N	+25B	3.0	7.5	7.5	2.75	1897	+25.1
10	Lin, Austin	CAN	−15B	+24N	−2B	+19N	+20B	3.0	7.0	7.0	2.00	1908	+6.4
11	Qian, AshleyWFM	CAN	F	+15N	+17B	−6N	=18B	2.5	8.0	8.0	3.75	2007	+5.2
12	Hong, Zihan	CAN	F	−1N	+20B	−2N	+16B	2.0	11.0	11.0	2.50	1969	+18.8
13	Syed, Farhaan	USA	F	+23N	−6B	+17N	−3B	2.0	9.0	9.0	2.00	1864	+40.8
14	Beattie, Will	CAN	=23B	−6N	+24B	−3N	=22B	2.0	8.0	8.0	0.50	1762	-22.0
15	Martinez, William	PAN	+10N	−11B	−4N	−9B	=19B	1.5	12.0	13.0	3.50	1688	-60.4
16	Dembla, Shabd	CAN	F	=2B	+21N	−4B	−12N	1.5	10.0	10.0	2.75	1758	-39.2
17	Bordas, Gyula	HUN	=9N	+25B	−11N	−13B	F	1.5	7.5	7.5	1.50	1717	-10.8
18	Deshpande,SarthakCM	CAN	F	F	−5B	+25N	=11N	1.5	6.0	6.0	1.25	1895	-14.8
19	Harish, Adwaith	CAN	F	−7B	=9N	−10B	=15N	1.0	10.5	10.5	2.25	1670	-1.6
20	Oancea, Nicolae	CAN	F	−8B	−12N	+22B	−10N	1.0	8.5	8.5	0.50	1695	-17.2
21	Wierzbicki, Filip	GER	F	−5N	−16B	+24N	−8B	1.0	8.0	8.0	0.00	1789	-10.4
22	Muminov, Diyor	CAN	−5B	−4B	F	−20N	=14N	0.5	10.0	10.0	1.00	1546	-12.0
23	Fischer, Jacob	CAN	=14N	−13B	F	F	F	0.5	4.0	4.0	1.00	1559	-22.8
24	Hassain, Mahmud	CAN	−8N	−10B	−14N	−21B	F	0.0	9.0	9.0	0.00	1136	-37.2
25	Sreekumar, GauriWCM	CAN	F	−17N	F	−18B	−9N	0.0	6.5	6.5	0.00	1063	-48.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Ajith, AarushCAN
+66.0
3.0 pts · #7
2Syed, FarhaanUSA
+40.8
2.0 pts · #14
3Blair, MichaelCAN
+28.8
3.5 pts · #6

Top rating losers

1Martinez, WilliamPAN
-60.4
1.5 pts · #16
2Sreekumar, GauriWCMCAN
-48.4
0.0 pts · #25
3Dembla, ShabdCAN
-39.2
1.5 pts · #15