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
Titled players · 1
FM×1
Federations · 1 represented
🇨🇦Canada×22
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsAndrew Yin led from R5; +0.5-point edge over the runner-up.
Co-leaders
11
4
2
1
1
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+63.14.5 pts · #5
- 2Trentalance, JosiahCAN+20.03.0 pts · #7
- 3Boyd, DougCAN+13.63.0 pts · #14
Top rating losers
- 1Davies, JackCAN-42.01.5 pts · #23
- 2Viminitz, PaulCAN-15.01.0 pts · #25
- 3Valdes, JavierCAN-10.81.0 pts · #19
Biggest upsets
- R5+450 Elo gap
- R2+394 Elo gap
- R4+248 Elo gap