2026 Ontario Open U1800
Open SwissStandard
50 players participated in this 7-round tournament, held from 15 May 2026 to 18 May 2026 in Toronto, ON, Canada. 5 federations represented. Top 10 Elo average was 1666, and top seed was Noah Witmer (🇨🇦 CAN, 1730).
Muhammad Aman Shaik (🇨🇦 CAN, 1527) won with 6.5/7, ahead of Luis Benito Perez Socas (5.0) and Cameron Larocque (5.0). Shaik won solo starting round 4.
The biggest upset came in round 1: Colin Riddoch (1425) beat Frankie Huang (1649), a +224-point gap.
Location
🇨🇦Toronto, ON, Canada
Dates
15 May 2026 → 18 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 5 represented
🇨🇦Canada×46
🇱🇷Liberia×1
FIDE (no federation)×1
🇹🇷Turkiye×1
🇬🇷Greece×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsMuhammad Aman Shaik led from R4; +1.5-point edge over the runner-up.
Co-leaders
18
9
2
1
1
1
1
R4–R7 · LEAD HELD
Muhammad Aman Shaik never relinquished the lead after R4; final gap +1.5 over the runner-up.
WIN STREAKS · 2 top finishers
Muhammad Aman Shaik 4 wins (R1–R4)Luis Benito Perez Socas 4 wins (R2–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Muhammad Aman Shaik | * | — | 1 | — |
| 2Cameron Larocque | — | * | 0 | — |
| 3Luis Benito Perez Socas | 0 | 1 | * | — |
| 4Evan Zajdel | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Shaik, Muhammad Aman | 1527 | CAN | +15B | +8N | +12B | +20N | =4B | +2N | +6B | 6.5 | 26.5 | 30.0 | 27.75 | 2369 | +89.2 |
| 2 | Perez Socas, Luis Benito | 1585 | CAN | F | +38B | +19N | +3B | +5N | −1B | +4N | 5.0 | 26.5 | 26.5 | 20.00 | 1742 | +32.8 |
| 3 | Larocque, Cameron | 0 | CAN | =44B | +13N | +27B | −2N | +21B | =4N | +20B | 5.0 | 23.5 | 25.0 | 17.00 | 1630 | 0.0 |
| 4 | Velazquez, Alex | 0 | CAN | +7N | +32B | =9N | +33B | =1N | =3B | −2B | 4.5 | 28.0 | 30.5 | 17.50 | 1641 | 0.0 |
| 5 | Yuan, Arianna | 1639 | CAN | +31N | +10B | =17N | =22B | −2B | +43N | =8B | 4.5 | 24.5 | 26.5 | 15.50 | 1641 | +1.6 |
| 6 | Sottile, Claudio | 1683 | CAN | F | +36B | +43N | =17B | +8N | +9B | −1N | 4.5 | 24.0 | 24.0 | 15.50 | 1774 | +27.2 |
| 7 | Lam, Eric | 1624 | CAN | −4B | +45N | +28B | =11N | +23B | −14N | +26B | 4.5 | 23.0 | 24.5 | 13.75 | 1791 | +44.4 |
| 8 | Chahar, Yugansh | 1600 | FID | +50N | −1B | +34N | +46B | −6B | +22N | =5N | 4.5 | 22.5 | 23.0 | 9.75 | 1649 | +17.2 |
| 9 | Goldner, John | 1674 | CAN | +28B | +29N | =4B | F | +22N | −6N | +14B | 4.5 | 22.5 | 22.5 | 15.75 | 1848 | +21.2 |
| 10 | Zajdel, Evan | 1568 | CAN | +30B | −5N | =15B | −27N | +42B | +21N | +19N | 4.5 | 21.5 | 23.5 | 14.00 | 1694 | +50.0 |
| 11 | Witmer, Noah | 1730 | CAN | −34N | +40B | +47N | =7B | +35N | =20B | =16N | 4.5 | 19.0 | 20.0 | 11.50 | 1785 | +12.8 |
| 12 | McQuaid, William | 0 | CAN | +40N | +47B | −1N | =14B | −19N | +35B | =13N | 4.0 | 22.5 | 23.5 | 9.50 | 1580 | 0.0 |
| 13 | Bhowmick, Aaron | 1526 | CAN | =14N | −3B | −16N | +45B | +44N | +24N | =12B | 4.0 | 22.0 | 23.5 | 10.50 | 1717 | +51.6 |
| 14 | Kola, Venkata Saket Reddy | 1637 | CAN | =13B | F | +44N | =12N | +27B | +7B | −9N | 4.0 | 21.5 | 21.5 | 13.00 | 1752 | +30.4 |
| 15 | Moses, Niam | 1409 | CAN | −1N | +50B | =10N | =16B | +29B | +32N | F | 4.0 | 21.0 | 21.0 | 10.25 | 1693 | +90.0 |
| 16 | Lee, Jayden | 1494 | CAN | F | −44N | +13B | =15N | +28B | +30N | =11B | 4.0 | 20.0 | 20.0 | 14.25 | 1692 | +62.8 |
| 17 | Jia, Jasper Yunjie | 1529 | CAN | +18N | +46B | =5B | =6N | F | +19B | F | 4.0 | 17.5 | 17.5 | 13.00 | 1869 | +86.8 |
| 18 | Sheetz, Nathan | 1680 | CAN | −17B | +37B | −33N | −28N | +50B | +41N | +32B | 4.0 | 16.5 | 17.0 | 7.50 | 1650 | -5.4 |
| 19 | Gibson, Leroy | 1625 | LBR | +26B | =27N | −2B | +41N | +12B | −17N | −10B | 3.5 | 24.0 | 26.0 | 11.00 | 1431 | -26.2 |
| 20 | Zokirov, Sanjarbek | 0 | CAN | +49B | +23N | +41B | −1B | F | =11N | −3N | 3.5 | 22.5 | 22.5 | 8.75 | 1645 | 0.0 |
| 21 | Huang, Frankie | 1649 | CAN | −47N | +25B | +31N | =32B | −3N | −10B | +30B | 3.5 | 21.5 | 22.5 | 10.75 | 1541 | -28.4 |
| 22 | Zhuravlev, Matvey | 1561 | CAN | +37N | +33B | F | =5N | −9B | −8B | +29N | 3.5 | 21.5 | 21.5 | 10.25 | 1676 | +39.2 |
| 23 | Ugodnikov, Arkadiy | 1647 | CAN | F | −20B | +36N | +44B | −7N | =27N | +28B | 3.5 | 18.0 | 18.0 | 8.50 | 1729 | +10.8 |
| 24 | Chattopadhyay, Adhrit | 1536 | CAN | =25N | −43B | +38N | −35B | +34N | −13B | +33N | 3.5 | 17.5 | 19.5 | 9.25 | 1484 | -17.5 |
| 25 | Negi, Hriday | 1508 | CAN | =24B | −21N | =49B | −29N | =36N | +40B | +34N | 3.5 | 17.0 | 18.0 | 8.00 | 1499 | -2.8 |
| 26 | Geer-Timmins, Drake | 0 | CAN | −19N | +48B | −32N | +40B | +46N | =39B | −7N | 3.5 | 16.0 | 17.0 | 5.25 | 1583 | 0.0 |
| 27 | Ndoci, Marko | 1623 | GRE | +48N | =19B | −3N | +10B | −14N | =23B | F | 3.0 | 23.0 | 24.0 | 9.00 | 1662 | +5.4 |
| 28 | Steadman, Richard | 1591 | CAN | −9N | +42B | −7N | +18B | −16N | +46B | −23N | 3.0 | 22.5 | 23.5 | 7.00 | 1557 | -13.2 |
| 29 | Verde, Pino | 1568 | CAN | +42N | −9B | −46N | +25B | −15N | +48B | −22B | 3.0 | 18.5 | 19.5 | 6.50 | 1487 | -15.8 |
| 30 | Uyanik, Mehmet | 1580 | TUR | −10N | −31B | +50N | +47B | +33N | −16B | −21N | 3.0 | 18.5 | 19.0 | 4.00 | 1556 | -4.0 |
| 31 | Caille, James | 0 | CAN | −5B | +30N | −21B | −39N | F | +44B | +35N | 3.0 | 17.5 | 17.5 | 7.00 | 1604 | 0.0 |
| 32 | Garel, Richard | 1624 | CAN | +39B | −4N | +26B | =21N | F | −15B | −18N | 2.5 | 22.0 | 22.0 | 7.75 | 1500 | -13.6 |
| 33 | Saltat, Michael | 1572 | CAN | +45B | −22N | +18B | −4N | −30B | =38N | −24B | 2.5 | 21.0 | 22.5 | 6.75 | 1504 | -23.6 |
| 34 | Ismaeel, Rahand | 0 | CAN | +11B | −41N | −8B | =42N | −24B | +37N | −25B | 2.5 | 20.5 | 22.5 | 8.00 | 1505 | 0.0 |
| 35 | Sivanandam, Adithya Purushothaman | 1575 | CAN | −41B | =49N | +37B | +24N | −11B | −12N | −31B | 2.5 | 19.5 | 20.5 | 6.50 | 1631 | +12.4 |
| 36 | Deshpande, Rucha | 1493 | CAN | F | −6N | −23B | =38N | =25B | =42N | +46B | 2.5 | 17.0 | 17.0 | 5.00 | 1506 | +2.4 |
| 37 | Howe, Gordon | 1661 | CAN | −22B | −18N | −35N | =50B | +40N | −34B | +44N | 2.5 | 16.0 | 16.5 | 3.75 | 1546 | -19.6 |
| 38 | Mourgelas, James | 1404 | CAN | F | −2N | −24B | =36B | +47N | =33B | =45N | 2.5 | 16.0 | 16.0 | 4.25 | 1479 | +11.0 |
| 39 | Swain, Harshil | 1610 | CAN | −32N | F | F | +31B | +41B | =26N | F | 2.5 | 14.0 | 14.0 | 6.75 | 1611 | 0.0 |
| 40 | Gavrileva, Anna | 1608 | CAN | −12B | −11N | +48B | −26N | −37B | −25N | +47B | 2.0 | 19.0 | 20.0 | 2.00 | 1487 | -16.4 |
| 41 | Kotapuri, Ruslan | 1597 | CAN | +35N | +34B | −20N | −19B | −39N | −18B | F | 2.0 | 18.5 | 18.5 | 5.00 | 1430 | -34.4 |
| 42 | Singh, Jasman | 1617 | CAN | −29B | −28N | F | =34B | −10N | =36B | +48N | 2.0 | 16.5 | 16.5 | 3.50 | 1389 | -62.0 |
| 43 | Benggawan, Undriadi | 1661 | CAN | F | +24N | −6B | +49N | F | −5B | F | 2.0 | 13.5 | 13.5 | 4.50 | 1494 | -13.4 |
| 44 | Sreekumar, Gayathri | 1568 | CAN | =3N | +16B | −14B | −23N | −13B | −31N | −37B | 1.5 | 23.5 | 26.0 | 6.50 | 1353 | -52.8 |
| 45 | Gaffney, Kevin | 1604 | CAN | −33N | −7B | F | −13N | F | +49N | =38B | 1.5 | 14.5 | 14.5 | 2.25 | 1210 | -75.2 |
| 46 | Shon, Kathryn | 1516 | CAN | F | −17N | +29B | −8N | −26B | −28N | −36N | 1.0 | 20.5 | 20.5 | 3.00 | 1316 | -48.8 |
| 47 | Riddoch, Colin | 1425 | CAN | +21B | −12N | −11B | −30N | −38B | F | −40N | 1.0 | 19.5 | 19.5 | 3.50 | 1354 | -17.6 |
| 48 | Armstrong, Robert J | 1471 | CAN | −27B | −26N | −40N | F | +49B | −29N | −42B | 1.0 | 14.5 | 14.5 | 1.00 | 804 | -25.8 |
| 49 | Dec, Peter | 0 | CAN | −20N | =35B | =25N | −43B | −48N | −45B | F | 1.0 | 14.0 | 14.0 | 3.00 | 1324 | 0.0 |
| 50 | Meyer, Ralf, Dr. | 1626 | CAN | −8B | −15N | −30B | =37N | −18N | F | F | 0.5 | 18.0 | 18.0 | 1.25 | 1220 | -45.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Moses, NiamCAN+90.04.0 pts · #4
- 2Shaik, Muhammad AmanCAN+89.26.5 pts · #9
- 3Jia, Jasper YunjieCAN+86.84.0 pts · #8
Top rating losers
- 1Gaffney, KevinCAN-75.21.5 pts · #49
- 2Singh, JasmanCAN-62.02.0 pts · #40
- 3Sreekumar, GayathriCAN-52.81.5 pts · #43
Biggest upsets
- R1+224 Elo gap
- R2+217 Elo gap
- R6+215 Elo gap