2026 Chess4win February Markham Open O1900
29 players participated in this 5-round tournament, held from 20 Feb 2026 to 22 Feb 2026 in Markham, ON, Canada. 7 titled players from 4 federations. Top 10 Elo average was 1984, and top seed was Zhihan (samuel) Xu (🇨🇦 CAN, CM, 2146).
Nathan Zian Wang (🇨🇦 CAN, 1991) won with 4.5/5, ahead of Raymond Gao (4.0) and Aarush Ajith (4.0). Wang broke clear in the final round.
The biggest upset came in round 3: Aarush Ajith (1806) beat Zhihan (samuel) Xu (CM, 2146), a +340-point gap.
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsNathan Zian Wang led from R5; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.
Nathan Zian Wang held the sole lead from R5 through R5 without losing it.
Nathan Zian Wang 3 wins (R3–R5)Aarush Ajith 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nathan Zian Wang | * | — | — | 1 |
| 2CMRaymond Gao | — | * | ½ | ½ |
| 3Aarush Ajith | — | ½ | * | — |
| 4CMEric Qian | 0 | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wang, Nathan Zian | 1991 | CAN | +19N | =8B | +22N | +4B | +6N | 4.5 | 10.5 | 12.0 | 10.75 | 2283 | +60.8 |
| 2 | Gao, RaymondCM | 2056 | CAN | +12N | +14B | =4N | +8B | =3N | 4.0 | 12.5 | 14.5 | 10.75 | 2144 | +10.4 |
| 3 | Ajith, Aarush | 1806 | CAN | =27N | +28B | +20B | +13N | =2B | 4.0 | 8.5 | 9.0 | 6.75 | 2129 | +78.4 |
| 4 | Qian, EricCM | 2047 | CAN | +10N | +5B | =2B | −1N | +8N | 3.5 | 14.5 | 17.0 | 10.50 | 2088 | +11.2 |
| 5 | Lakhani, Riyaan | 1847 | CAN | +24B | −4N | =21B | +23N | +11B | 3.5 | 9.0 | 10.0 | 5.75 | 1975 | +17.4 |
| 6 | Deepak, LaksshanaWFM | 2010 | CAN | −22B | +19N | +26B | +9N | −1B | 3.0 | 10.0 | 11.0 | 5.00 | 1920 | -21.6 |
| 7 | Qian, AshleyWFM | 1979 | CAN | −9B | =17N | +29B | +10N | =12N | 3.0 | 9.5 | 9.5 | 4.75 | 1887 | -22.4 |
| 8 | Dembla, Shabd | 1912 | CAN | +25B | =1N | +23B | −2N | −4B | 2.5 | 13.5 | 14.5 | 4.75 | 1909 | +0.8 |
| 9 | Pan, Julian | 1825 | CAN | +7N | =15B | =13N | −6B | =21N | 2.5 | 10.5 | 12.0 | 6.00 | 1893 | +18.0 |
| 10 | Oancea, Nicolae | 1891 | CAN | −4B | +25N | =15N | −7B | +14B | 2.5 | 10.5 | 11.5 | 4.00 | 1886 | +0.2 |
| 11 | Chen, Larry Zhou | 1892 | CAN | −18N | +16B | =14N | +15B | −5N | 2.5 | 9.5 | 11.5 | 5.00 | 1844 | -12.0 |
| 12 | Jiang, Hanxi (Hancy)WFM | 1874 | CAN | −2B | +24N | F | +20N | =7B | 2.5 | 9.5 | 9.5 | 4.00 | 2044 | +35.6 |
| 13 | Lin, Austin | 1829 | CAN | F | +29N | =9B | −3B | +16N | 2.5 | 8.5 | 8.5 | 3.25 | 1856 | +5.6 |
| 14 | Colvin, Andrew | 1882 | CAN | +16N | −2N | =11B | =21B | −10N | 2.0 | 11.0 | 12.5 | 4.00 | 1783 | -13.8 |
| 15 | Bolandnazar, Korosh | 1897 | IRI | =23B | =9N | =10B | −11N | =25B | 2.0 | 9.0 | 10.0 | 3.75 | 1740 | -42.0 |
| 16 | Madhu Vikram, Chaarvik | 1686 | CAN | −14B | −11N | +24B | +27N | −13B | 2.0 | 8.0 | 8.5 | 1.50 | 1710 | +5.2 |
| 17 | Russell, Wesley | 1760 | CAN | −20B | =7B | =28N | =25N | =19B | 2.0 | 7.0 | 7.5 | 3.00 | 1778 | -0.8 |
| 18 | Laughlin, Braden | 1911 | CAN | +11B | +26N | F | F | F | 2.0 | 3.5 | 3.5 | 3.50 | 2649 | +16.6 |
| 19 | Wang, Taorong | 1775 | CHN | −1B | −6B | F | +24N | =17N | 1.5 | 10.5 | 10.5 | 2.00 | 1757 | -6.4 |
| 20 | Xu, Zhihan (samuel)CM | 2146 | CAN | +17N | =22B | −3N | −12B | F | 1.5 | 10.0 | 10.0 | 2.75 | 1734 | -78.8 |
| 21 | Katz, Lyam | 1753 | CAN | −26B | F | =5N | =14N | =9B | 1.5 | 9.0 | 9.0 | 4.00 | 1753 | -0.4 |
| 22 | Guo, AnniWFM | 1845 | CAN | +6N | =20N | −1B | F | F | 1.5 | 9.0 | 9.0 | 3.75 | 2049 | +30.8 |
| 23 | Washimkar, Arhant | 1826 | CAN | =15N | +27B | −8N | −5B | F | 1.5 | 8.5 | 8.5 | 1.50 | 1750 | -8.6 |
| 24 | Le, Duc Khai | 1613 | CAN | −5N | −12B | −16N | −19B | +27B | 1.0 | 9.5 | 10.0 | 0.50 | 1534 | -17.9 |
| 25 | Zhao, Shannon | 1630 | CAN | −8N | −10B | F | =17B | =15N | 1.0 | 9.0 | 9.0 | 2.00 | 1672 | +6.8 |
| 26 | Zaka, Mohid | 1806 | CAN | +21N | −18B | −6N | F | F | 1.0 | 6.5 | 6.5 | 1.50 | 1766 | -3.4 |
| 27 | Roque, Alexa | 1692 | CAN | =3B | −23N | F | −16B | −24N | 0.5 | 8.5 | 8.5 | 2.00 | 1411 | -51.6 |
| 28 | Bordas, Gyula | 1725 | HUN | F | −3N | =17B | F | F | 0.5 | 6.0 | 6.0 | 1.00 | 1590 | -6.8 |
| 29 | Li, Alex | 1725 | CAN | F | −13B | −7N | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 1104 | -22.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Ajith, AarushCAN+78.44.0 pts · #3
- 2Wang, Nathan ZianCAN+60.84.5 pts · #1
- 3Jiang, Hanxi (Hancy)WFMCAN+35.62.5 pts · #11
- 1Xu, Zhihan (samuel)CMCAN-78.81.5 pts · #23
- 2Roque, AlexaCAN-51.60.5 pts · #28
- 3Bolandnazar, KoroshIRI-42.02.0 pts · #16
- R3+340 Elo gap
- R4+272 Elo gap
- R1+165 Elo gap