2025 Medicine Hat Open
Open SwissStandard
13 players participated in this 5-round tournament, held from 14 Jun 2025 to 15 Jun 2025 in Medicine Hat, Alberta, Canada. Top 10 Elo average was 0.
Isaiah Sehn (🇨🇦 CAN, 0) won with 4.0/5, ahead of Cole Toponce (4.0) and Norman Sabaiton (3.5). Sehn won on tie-break after catching the field in the final round.
Location
🇨🇦Medicine Hat, Alberta, Canada
Dates
14 Jun 2025 → 15 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Avg top 10
0
Participants
13
Federations · 1 represented
🇨🇦Canada×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R3; 2 players tied at 4.0/5, decided on Buchholz.
Co-leaders
5
2
1
1
2
R4 · LEADER CHANGE15 Jun
Norman Sabaiton takes the sole lead (3.5/4).
R5 · TIEBREAK CLUSTER
2 players finish on 4.0/5. Sehn takes the title on Buchholz Cut1 (12.5).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Cole Toponce beat Isaiah Sehn (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Cole Toponce | * | 1 | 0 | 1 |
| 2Isaiah Sehn | 0 | * | 1 | 1 |
| 3Norman Sabaiton | 1 | 0 | * | — |
| 4Doug Boyd | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sehn, Isaiah | 0 | CAN | +9B | +10N | −2B | +4N | +3N | 4.0 | 12.5 | 14.5 | 10.50 | 2437 | +29.2 |
| 2 | Toponce, Cole | 0 | CAN | +?B | +4N | +1N | −3B | +10B | 4.0 | 12.5 | 12.5 | 9.00 | 1751 | 0.0 |
| 3 | Sabaiton, Norman | 0 | CAN | =7B | +8N | +5N | +2N | −1B | 3.5 | 13.0 | 15.0 | 9.75 | 1513 | 0.0 |
| 4 | Boyd, Doug | 0 | CAN | +11N | −2B | +6N | −1B | +8N | 3.0 | 12.5 | 14.0 | 6.00 | 1692 | +4.8 |
| 5 | Guzzi, Brodie | 0 | CAN | +12B | =7N | −3B | =8B | =6N | 2.5 | 10.5 | 12.0 | 5.00 | 1577 | 0.0 |
| 6 | Gibson, Robert | 0 | CAN | =8B | +9N | −4B | =11N | =5B | 2.5 | 9.5 | 11.0 | 5.00 | 1612 | 0.0 |
| 7 | Trentalance, Josiah | 0 | CAN | =3N | =5B | =12N | F | +9B | 2.5 | 9.5 | 9.5 | 5.75 | 2446 | +24.0 |
| 8 | Morrow, Rylan | 0 | CAN | =6N | −3B | +?B | =5N | −4B | 2.0 | 11.5 | 11.5 | 2.50 | 1612 | 0.0 |
| 9 | Szulski, Adam | 0 | CAN | −1N | −6B | +11N | +13B | −7N | 2.0 | 10.5 | 10.5 | 1.50 | 1528 | -19.2 |
| 10 | Dunn, Garth | 0 | CAN | +13N | −1B | F | +12B | −2N | 2.0 | 9.5 | 9.5 | 1.50 | 1035 | -4.6 |
| 11 | Viminitz, Paul | 0 | CAN | −4B | −12N | −9B | =6B | +13N | 1.5 | 9.0 | 9.0 | 1.25 | 844 | -14.8 |
| 12 | Blanchet, Jonathan | 0 | CAN | −5N | +11B | =7B | −10N | −?N | 1.5 | 8.5 | 8.5 | 2.75 | 1496 | 0.0 |
| 13 | FIDE 2622351 | 0 | — | −10B | −?N | F | −9N | −11B | 0.0 | 5.5 | 5.5 | 0.00 | 800 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Sehn, IsaiahCAN+29.24.0 pts · #2
- 2Trentalance, JosiahCAN+24.02.5 pts · #5
- 3Boyd, DougCAN+4.83.0 pts · #7
Top rating losers
- 1Szulski, AdamCAN-19.22.0 pts · #8
- 2Viminitz, PaulCAN-14.81.5 pts · #13
- 3Dunn, GarthCAN-4.62.0 pts · #11