2025 Southern Alberta Open Premier
31 players participated in this 5-round tournament, held from 22 Nov 2025 to 23 Nov 2025 in Calgary, AB, Canada. 2 federations represented. Top 10 Elo average was 2001, and top seed was Maikl Prianichnikov (🇨🇦 CAN, 2105).
Omid Malek (🇨🇦 CAN, 1972) won with 4.5/5, ahead of Sigfrido Pacheco-Vega (4.5) and Roy Yearwood (4.0). Malek shared the lead from round 4, winning on tie-break.
The biggest upset came in round 1: Bruce Coates (1199) beat Sophia Guzman (1789), a +590-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.
2 players finish on 4.5/5. Malek takes the title on Buchholz Cut1 (13.5).
Sigfrido Pacheco-Vega drew with Omid Malek (White).
Roy Yearwood won 3 in a row (R3–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Sigfrido Pacheco-Vega | * | ½ | — | — |
| 2Omid Malek | ½ | * | — | 1 |
| 3Roy Yearwood | — | — | * | — |
| 4Tobias Salkeld | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Malek, Omid | 1972 | CAN | +15N | +7B | =2N | +19B | +4N | 4.5 | 13.5 | 15.5 | 13.25 | 2687 | +25.6 |
| 2 | Pacheco-Vega, Sigfrido | 2025 | CAN | +22N | +8B | =1B | +13N | +6B | 4.5 | 13.0 | 14.5 | 12.25 | 1969 | 0.0 |
| 3 | Yearwood, Roy | 1901 | CAN | +29B | −6N | +14B | +24N | +7N | 4.0 | 9.5 | 9.5 | 6.50 | 2005 | +20.0 |
| 4 | Salkeld, Tobias | 1817 | CAN | +11B | +16N | =13B | +6N | −1B | 3.5 | 13.0 | 15.5 | 9.75 | 2074 | +18.4 |
| 5 | Riquelme Bravo, Martin | 2092 | CHI | =18B | +30N | −19N | +27B | +13B | 3.5 | 7.5 | 7.5 | 4.50 | 1958 | -14.4 |
| 6 | Vasic, Maxim | 2101 | CAN | +17N | +3B | +10N | −4B | −2N | 3.0 | 15.0 | 17.5 | 9.50 | 2059 | +4.4 |
| 7 | Botoy, James Pajo | 1791 | CAN | +28B | −1N | +12B | +9N | −3B | 3.0 | 14.5 | 15.0 | 6.50 | 1944 | +10.6 |
| 8 | Sibulo, Nerio | 1595 | CAN | +24B | −2N | +30B | −10B | +18N | 3.0 | 10.5 | 10.5 | 3.00 | 1910 | +12.8 |
| 9 | Li, Jake Chi Hang | 1499 | CAN | −20B | +25N | +18B | −7B | +21N | 3.0 | 9.0 | 10.0 | 5.00 | 1781 | +22.8 |
| 10 | Villamar, Eros | 1836 | CAN | +25B | +20N | −6B | +8N | F | 3.0 | 9.0 | 9.0 | 6.00 | 1964 | +17.2 |
| 11 | Xu, Michael | 1804 | CAN | −4N | −14B | +25N | +26B | +24B | 3.0 | 8.0 | 9.0 | 3.00 | 1791 | -15.1 |
| 12 | Goodman, Kevin | 1988 | CAN | F | +31B | −7N | +22B | +19N | 3.0 | 6.5 | 6.5 | 3.50 | 2034 | -5.6 |
| 13 | Prianichnikov, Maikl | 2105 | CAN | +23N | +26B | =4N | −2B | −5N | 2.5 | 13.0 | 14.0 | 4.25 | 1927 | +10.0 |
| 14 | Lodhi, Talha | 1697 | CAN | −16B | +11N | −3N | =17B | +22N | 2.5 | 12.0 | 13.5 | 5.75 | 1793 | +14.4 |
| 15 | Sheng, Jack | 1797 | CAN | −1B | =18N | +23B | F | +16N | 2.5 | 10.5 | 10.5 | 5.00 | 1882 | +34.0 |
| 16 | Sehn, Isaiah | 1765 | CAN | +14N | −4B | =22N | +28B | −15B | 2.5 | 10.0 | 10.5 | 3.75 | 1764 | -13.6 |
| 17 | Zhang, Finley | 1619 | CAN | −6B | =28N | =21B | =14N | +23B | 2.5 | 9.0 | 9.5 | 4.00 | 1741 | +3.2 |
| 18 | Thomson, Zachary | 1704 | CAN | =5N | =15B | −9N | +20N | −8B | 2.0 | 12.0 | 14.0 | 5.00 | 1713 | -0.6 |
| 19 | Abdelrhman, Hamid | 2087 | CAN | F | +27N | +5B | −1N | −12B | 2.0 | 12.0 | 12.0 | 4.50 | 1998 | +3.4 |
| 20 | Michalchuk, Avery | 1826 | CAN | +9N | −10B | −24N | −18B | +28N | 2.0 | 9.0 | 9.5 | 3.50 | 1654 | -10.8 |
| 21 | Guzman, Sophia | 1789 | CAN | −26N | =23B | =17N | +29B | −9B | 2.0 | 8.0 | 8.0 | 2.00 | 1593 | -29.2 |
| 22 | Trentalance, Josiah | 1746 | CAN | −2B | +29N | =16B | −12N | −14B | 1.5 | 12.5 | 12.5 | 1.25 | 1713 | -6.0 |
| 23 | Zhang, Felix | 1708 | CAN | −13B | =21N | −15N | +30B | −17N | 1.5 | 9.5 | 9.5 | 1.00 | 1583 | -4.7 |
| 24 | Shamanth, Saanvi | 1714 | CAN | −8N | F | +20B | −3B | −11N | 1.0 | 12.0 | 12.0 | 2.00 | 1605 | -6.4 |
| 25 | Lee, Raphael | 1589 | CAN | −10N | −9B | −11B | F | +29N | 1.0 | 9.0 | 9.0 | 0.00 | 1577 | -4.2 |
| 26 | Coates, Bruce | 1199 | CAN | +21B | −13N | −27B | −11N | F | 1.0 | 8.5 | 8.5 | 2.00 | 1631 | -10.8 |
| 27 | Gallemaso, Bong | 1901 | CAN | F | −19B | +26N | −5N | F | 1.0 | 6.5 | 6.5 | 1.00 | 1772 | -5.6 |
| 28 | Agyenim-Boateng, Nathaniel | 1237 | CAN | −7N | =17B | F | −16N | −20B | 0.5 | 10.0 | 10.0 | 1.25 | 1450 | -45.6 |
| 29 | Shtepa, Liubov | 1746 | CAN | −3N | −22B | F | −21N | −25B | 0.0 | 8.5 | 8.5 | 0.00 | 912 | -61.6 |
| 30 | Atwood, Matthew | 1337 | CAN | F | −5B | −8N | −23N | F | 0.0 | 8.0 | 8.0 | 0.00 | 1008 | -19.0 |
| 31 | Tadique, Edgardo | 1716 | CAN | F | −12N | F | F | F | 0.0 | 3.5 | 3.5 | 0.00 | 1278 | -7.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Sheng, JackCAN+34.02.5 pts · #14
- 2Malek, OmidCAN+25.64.5 pts · #2
- 3Li, Jake Chi HangCAN+22.83.0 pts · #8
- 1Shtepa, LiubovCAN-61.60.0 pts · #31
- 2Agyenim-Boateng, NathanielCAN-45.60.5 pts · #28
- 3Guzman, SophiaCAN-29.22.0 pts · #19
- R1+590 Elo gap
- R5+290 Elo gap
- R4+284 Elo gap