2025 Alberta Open U1700
Open SwissStandard
14 players participated in this 6-round tournament, held from 11 Oct 2025 to 13 Oct 2025 in Edmonton, AB, Canada. Top 10 Elo average was 1261, and top seed was Garth Dunn (🇨🇦 CAN, 1644).
David McCullough (🇨🇦 CAN, 0) won with 6.0/6, ahead of Garth Dunn (4.0) and Arnold Garcia (4.0). McCullough won solo starting round 4.
Location
🇨🇦Edmonton, AB, Canada
Dates
11 Oct 2025 → 13 Oct 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇨🇦Canada×13
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsDavid McCullough led from R4; +2.0-point edge over the runner-up.
Co-leaders
6
4
2
1
1
1
R4–R6 · LEAD HELD
David McCullough never relinquished the lead after R4; final gap +2.0 over the runner-up.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
David McCullough beat Arnold Garcia (Black).
WIN STREAKS · 3 top finishers
David McCullough 6 wins (R1–R6)Arnold Garcia 3 wins (R2–R4)Garth Dunn 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1David McCullough | * | 1 | 1 | 1 |
| 2Arnold Garcia | 0 | * | 1 | — |
| 3Garth Dunn | 0 | 0 | * | — |
| 4Javier Valdes | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | McCullough, David | 0 | CAN | +5B | +12N | +4B | +2B | +3N | +7N | 6.0 | 18.0 | 20.0 | 20.00 | 1687 | 0.0 |
| 2 | Dunn, Garth | 1644 | CAN | +13B | +11N | +6B | −1N | +4N | −3B | 4.0 | 19.0 | 20.0 | 10.00 | 2338 | +21.6 |
| 3 | Garcia, Arnold | 0 | CAN | F | +13N | +10B | +7N | −1B | +2N | 4.0 | 17.5 | 18.5 | 10.50 | 1675 | 0.0 |
| 4 | Nikolov, Nikolai | 1585 | CAN | +9N | +10B | −1N | =6N | −2B | +13B | 3.5 | 19.0 | 20.0 | 8.25 | 1712 | +20.4 |
| 5 | Valdes, Javier | 1580 | CAN | −1N | −9B | +13N | +11B | =8N | +10B | 3.5 | 16.5 | 17.5 | 7.00 | 2357 | +56.4 |
| 6 | Yang, Anne | 0 | CAN | +12B | +7N | −2N | =4B | =10N | =8B | 3.5 | 16.0 | 18.0 | 9.50 | 1620 | 0.0 |
| 7 | Atwood, Matthew | 1621 | CAN | +8N | −6B | +9N | −3B | +12N | −1B | 3.0 | 19.5 | 21.5 | 8.00 | 2310 | +7.0 |
| 8 | Li, Meijia | 0 | CAN | −7B | +14N | +11B | −10N | =5B | =6N | 3.0 | 14.5 | 14.5 | 5.50 | 1512 | 0.0 |
| 9 | Lai, Loki | 0 | CAN | −4B | +5N | −7B | +14B | −11N | +12B | 3.0 | 14.0 | 14.0 | 5.50 | 1497 | 0.0 |
| 10 | Wozniak, Marek | 1642 | CAN | +14B | −4N | −3N | +8B | =6B | −5N | 2.5 | 17.5 | 17.5 | 4.75 | 782 | -46.8 |
| 11 | Viminitz, Paul | 1553 | CAN | F | −2B | −8N | −5N | +9B | +14N | 2.0 | 17.5 | 17.5 | 3.00 | 811 | -16.8 |
| 12 | Fang, Chelsea | 1511 | CAN | −6N | −1B | +14N | +13B | −7B | −9N | 2.0 | 16.5 | 16.5 | 1.00 | 1548 | +4.0 |
| 13 | Best, Daton | 1476 | CAN | −2N | −3B | −5B | −12N | +14B | −4N | 1.0 | 17.0 | 17.0 | 0.00 | 779 | -57.6 |
| 14 | FIDE 2681102 | 0 | — | −10N | −8B | −12B | −9N | −13N | −11B | 0.0 | 12.5 | 13.5 | 0.00 | 745 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Valdes, JavierCAN+56.43.5 pts · #3
- 2Dunn, GarthCAN+21.64.0 pts · #5
- 3Nikolov, NikolaiCAN+20.43.5 pts · #7
Top rating losers
- 1Best, DatonCAN-57.61.0 pts · #11
- 2Wozniak, MarekCAN-46.82.5 pts · #12
- 3Viminitz, PaulCAN-16.82.0 pts · #14