2026 Lethbridge Open

Open SwissStandard

25 players participated in this 5-round tournament, held from 18 Apr 2026 to 19 Apr 2026 in Lethbridge, AB, Canada. 1 titled players. Top 10 Elo average was 1874, and top seed was Maxim Vasic (🇨🇦 CAN, 2116).

Andrew Yin (🇨🇦 CAN, 1855) won with 4.5/5, ahead of Maxim Vasic (4.0) and Dale R. Haessel (4.0). Yin clinched sole first place in the final round.

The biggest upset came in round 5: Javier Valdes (1122) beat Roland Schech (1572), a +450-point gap.

Location

🇨🇦Lethbridge, AB, Canada

Dates

18 Apr 2026 → 19 Apr 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇨🇦Maxim Vasic2116

Avg top 10

1,874

Participants

Titled players · 1

FM×1

Federations · 1 represented

🇨🇦Canada×22

Top 3

🥇
Andrew Yin
🇨🇦CAN·1855
4.5pts·2553perf+63.1
🥈
Maxim Vasic
🇨🇦CAN·2116
4.0pts·2071perf+0.6
🥉
FMDale R. Haessel
🇨🇦CAN·1929
4.0pts·2051perf+6.2

How it unfolded

Top 6 · 5 rounds

Andrew Yin led from R5; +0.5-point edge over the runner-up.

Co-leaders

Yin4.5Haessel4Vasic4Kuehl3Leflar3Sabaiton3

R5 · LEADER CHANGE19 Apr

Andrew Yin takes the sole lead (4.5/5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Andrew Yin beat FM Dale R. Haessel (Black).

WIN STREAKS · 3 top finishers

Andrew Yin 3 wins (R3–R5)FM Dale R. Haessel 4 wins (R1–R4)Maxim Vasic 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Andrew Yin	*	1	—	—
2FMDale R. Haessel	0	*	1	—
3Maxim Vasic	—	0	*	—
4Sean Kuehl	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Yin, Andrew	1855	CAN	+7B	=4N	+9B	+10N	+3N	4.5	13.0	16.0	14.50	2553	+63.1
2	Vasic, Maxim	2116	CAN	+20N	+5B	+8N	−3B	+6N	4.0	13.0	14.0	10.00	2071	+0.6
3	Haessel, Dale R.FM	1929	CAN	+21N	+18B	+6N	+2N	−1B	4.0	13.0	14.0	9.50	2051	+6.2
4	Leflar, David	1675	CAN	+23B	=1B	−5N	+11N	=7B	3.0	13.5	14.5	7.75	1711	0.0
5	Oguamanam, Ifeanyi	1980	CAN	+11B	−2N	+4B	=7N	=12B	3.0	13.0	16.0	9.00	1820	+7.6
6	Sehn, Isaiah	1793	CAN	+15N	+14B	−3B	+13N	−2B	3.0	13.0	15.0	7.00	1845	+3.8
7	Boyd, Doug	1528	CAN	−1N	+23B	+14N	=5B	=4N	3.0	12.5	13.5	6.00	1668	+13.6
8	Yearwood, Roy	2019	CAN	+22B	+13N	−2B	−12N	+16B	3.0	12.0	13.0	6.00	1780	-10.0
9	Sabaiton, Norman	1715	CAN	=16N	+19B	−1N	=18B	+15N	3.0	10.0	11.0	4.75	1704	0.0
10	McKenzie, Mike	1714	CAN	−19N	+22B	+15N	−1B	+14N	3.0	9.5	10.5	5.00	1628	-3.4
11	Kuehl, Sean	1368	CAN	−5N	+20B	+21N	−4B	+17B	3.0	9.0	10.0	4.00	1884	+3.6
12	Trentalance, Josiah	1771	CAN	F	=16B	+19N	+8B	=5N	3.0	9.0	9.0	6.50	2013	+20.0
13	Mikusek, Jerry	1561	CAN	+24B	−8B	+25N	−6B	+18N	3.0	8.5	8.5	2.50	1721	+4.6
14	Mading Bol, Awar	0	CAN	+17B	−6N	−7B	+22N	−10B	2.0	11.0	12.0	3.00	1608	0.0
15	Szulski, Adam	1746	CAN	−6B	+17N	−10B	+25N	−9B	2.0	11.0	11.0	2.00	1604	-1.0
16	FIDE 2685620	1683	—	=9B	=12N	F	+21B	−8N	2.0	10.0	10.0	4.00	1739	0.0
17	Zabielski, Piotr	1611	CAN	−14N	−15B	+20N	+19B	−11N	2.0	8.0	9.0	2.00	1680	-10.0
18	Davies, Jack	1764	CAN	+25B	−3N	F	=9N	−13B	1.5	10.0	10.0	1.50	1039	-42.0
19	Schech, Roland	1572	CAN	+10B	−9N	−12B	−17N	−22N	1.0	11.0	12.0	3.00	1498	-6.6
20	Dunn, Garth	1762	CAN	−2B	−11N	−17B	F	+23N	1.0	10.0	10.0	1.00	1607	-8.4
21	Atwood, Matthew	1254	CAN	−3B	+24N	−11B	−16N	F	1.0	10.0	10.0	1.00	1134	-5.0
22	Valdes, Javier	1122	CAN	−8N	−10N	F	−14B	+19B	1.0	9.0	9.0	1.00	1576	-10.8
23	Viminitz, Paul	1676	CAN	−4N	−7N	F	+24B	−20B	1.0	8.0	8.0	1.00	823	-15.0
24	FIDE 2685655	0	—	−13N	−21B	F	−23N	+25B	1.0	5.0	5.0	0.00	796	0.0
25	FIDE 2622351	1226	—	−18N	F	−13B	−15B	−24N	0.0	7.5	7.5	0.00	912	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Yin, AndrewCAN
+63.1
4.5 pts · #5
2Trentalance, JosiahCAN
+20.0
3.0 pts · #7
3Boyd, DougCAN
+13.6
3.0 pts · #14

Top rating losers

1Davies, JackCAN
-42.0
1.5 pts · #23
2Viminitz, PaulCAN
-15.0
1.0 pts · #25
3Valdes, JavierCAN
-10.8
1.0 pts · #19

Biggest upsets

R5+450 Elo gap
Valdes, Javier1122 beat Schech, Roland1572
R2+394 Elo gap
Kuehl, Sean1368 beat Dunn, Garth1762
R4+248 Elo gap
Trentalance, Josiah1771 beat Yearwood, Roy2019