2025 Chess4win October 25-26 Markham Open O1900
33 players participated in this 5-round tournament, held from 25 Oct 2025 to 26 Oct 2025 in Markham, ON, Canada. 7 titled players from 5 federations. Top 10 Elo average was 2088, and top seed was Nicholas Vettese (🇨🇦 CAN, IM, 2372).
Raymond Gao (🇨🇦 CAN, 2026) won with 4.5/5, ahead of Nicholas Vettese (4.5) and Jeffrey R Zhao (4.0). Gao shared the lead from round 1, winning on tie-break.
The biggest upset came in round 3: Wesley Russell (1759) beat Haruna Nsubuga (FM, 2157), a +398-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 2 co-leaders at R4 to 2 at the finish.
2 players finish on 4.5/5. Gao takes the title on Buchholz Cut1 (12.5).
Raymond Gao drew with IM Nicholas Vettese (Black).
Raymond Gao 3 wins (R1–R3)IM Nicholas Vettese 3 wins (R1–R3)Jeffrey R Zhao 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Raymond Gao | * | ½ | — | — |
| 2IMNicholas Vettese | ½ | * | — | — |
| 3Jeffrey R Zhao | — | — | * | — |
| 4Wesley Russell | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gao, Raymond | 2026 | CAN | +31B | +16N | +5B | =2N | +7B | 4.5 | 12.5 | 12.5 | 10.25 | 2400 | +39.8 |
| 2 | Vettese, NicholasIM | 2372 | CAN | +23N | +15B | +6N | =1B | +13N | 4.5 | 12.0 | 13.5 | 11.25 | 2365 | -0.4 |
| 3 | Zhao, Jeffrey R | 1960 | CAN | +32B | +8N | +17B | −11N | +5B | 4.0 | 11.0 | 11.0 | 8.00 | 2095 | +34.8 |
| 4 | Russell, Wesley | 1759 | CAN | =13B | =7N | +28N | =6B | +21N | 3.5 | 10.5 | 11.5 | 7.25 | 2112 | +87.2 |
| 5 | Chen, Larry Zhou | 1980 | CAN | +10N | +27B | −1N | +17B | −3N | 3.0 | 13.5 | 14.5 | 6.00 | 2028 | +15.6 |
| 6 | Yao, Henry | 1876 | CAN | +30N | +20B | −2B | =4N | =9B | 3.0 | 13.0 | 13.5 | 5.75 | 1945 | +16.4 |
| 7 | Wang, Nathan Zian | 2022 | CAN | =14N | =4B | +15N | +21B | −1N | 3.0 | 12.5 | 14.5 | 7.00 | 1890 | -29.6 |
| 8 | Bolandnazar, Korosh | 1801 | IRI | +18N | −3B | =19N | =25B | +23N | 3.0 | 9.5 | 11.0 | 5.25 | 1913 | +30.4 |
| 9 | Gao, HeyeCM | 2049 | CAN | −15N | +23B | =22N | +29B | =6N | 3.0 | 8.0 | 8.5 | 4.25 | 1868 | -42.0 |
| 10 | Deepak, LaksshanaWFM | 2070 | CAN | −5B | −24N | +31B | +22B | +18N | 3.0 | 8.0 | 8.0 | 3.50 | 1913 | -36.0 |
| 11 | Malakar, SaarthakFM | 2088 | CAN | F | +26N | +27B | +3B | F | 3.0 | 6.5 | 6.5 | 6.50 | 2769 | +41.2 |
| 12 | Qian, AshleyWFM | 1957 | CAN | −22N | +33B | F | +24N | +14B | 3.0 | 5.5 | 5.5 | 4.00 | 1988 | +5.6 |
| 13 | Xie, IreneWFM | 2052 | CAN | =4N | +14B | F | +16N | −2B | 2.5 | 12.5 | 12.5 | 6.25 | 2075 | +4.4 |
| 14 | Dembla, Shabd | 1831 | CAN | =7B | −13N | +20N | +19B | −12N | 2.5 | 10.5 | 12.5 | 5.50 | 1867 | +10.0 |
| 15 | Pan, Julian | 1768 | CAN | +9B | −2N | −7B | −18B | +29N | 2.0 | 12.5 | 13.0 | 3.50 | 1894 | +26.0 |
| 16 | Surender Kumar Sharma | 1957 | IND | +28N | −1B | +18N | −13B | −17N | 2.0 | 11.0 | 12.0 | 3.00 | 1873 | -10.8 |
| 17 | Sama, Chetan Reddy | 1658 | CAN | F | +19B | −3N | −5N | +16B | 2.0 | 11.0 | 11.0 | 4.00 | 1909 | +46.8 |
| 18 | Maulucci, Anthony | 1832 | CAN | −8B | +32N | −16B | +15N | −10B | 2.0 | 10.0 | 10.0 | 2.00 | 1797 | -5.6 |
| 19 | Lee, Matthew Yin Hang | 1735 | HKG | +29B | −17N | =8B | −14N | =20B | 2.0 | 9.5 | 10.0 | 3.00 | 1653 | -11.2 |
| 20 | Madhu Vikram, Chaarvik | 1571 | CAN | +25B | −6N | −14B | =26B | =19N | 2.0 | 9.0 | 10.5 | 3.25 | 1770 | +45.2 |
| 21 | Ajith, Aarush | 1708 | CAN | +33N | +22B | F | −7N | −4B | 2.0 | 8.0 | 8.0 | 1.50 | 1840 | +26.4 |
| 22 | Zhao, Jifan | 1786 | CAN | +12B | −21N | =9B | −10N | F | 1.5 | 11.0 | 12.5 | 4.50 | 1859 | +11.2 |
| 23 | Cholakis, Max | 1789 | CAN | −2B | −9N | +32B | =30N | −8B | 1.5 | 11.0 | 11.0 | 0.25 | 1750 | -16.4 |
| 24 | Zaka, Mohid | 1771 | CAN | −27N | +10B | =29N | −12B | F | 1.5 | 8.5 | 9.0 | 3.25 | 1876 | +8.6 |
| 25 | Loadman, Ian | 1888 | CAN | −20N | +30B | F | =8N | F | 1.5 | 5.5 | 5.5 | 2.00 | 1694 | -14.4 |
| 26 | Tseng, Bradley | 1881 | CAN | F | −11B | F | =20N | +30B | 1.5 | 5.5 | 5.5 | 1.50 | 1790 | -12.4 |
| 27 | Dhaliwal, Jaipreet Singh | 2064 | CAN | +24B | −5N | −11N | F | F | 1.0 | 7.5 | 7.5 | 1.50 | 1822 | -37.2 |
| 28 | Nsubuga, HarunaFM | 2157 | UGA | −16B | +31N | −4B | F | F | 1.0 | 5.5 | 5.5 | 0.00 | 1726 | -31.0 |
| 29 | Gandolfi, Fred | 1763 | CAN | −19N | F | =24B | −9N | −15B | 0.5 | 8.5 | 8.5 | 0.75 | 1508 | -23.6 |
| 30 | Lau, Jayden | 1711 | CAN | −6B | −25N | F | =23B | −26N | 0.5 | 7.5 | 7.5 | 0.75 | 1537 | -28.8 |
| 31 | Mittal, Aashwin | 1836 | CAN | −1N | −28B | −10N | F | F | 0.0 | 8.5 | 8.5 | 0.00 | 1284 | -11.8 |
| 32 | Sekaran, Adithya | 1748 | CAN | −3N | −18B | −23N | F | F | 0.0 | 7.5 | 7.5 | 0.00 | 1060 | -42.0 |
| 33 | Bucci, Andrew | 1811 | CAN | −21B | −12N | F | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 1033 | -18.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Russell, WesleyCAN+87.23.5 pts · #4
- 2Sama, Chetan ReddyCAN+46.82.0 pts · #17
- 3Madhu Vikram, ChaarvikCAN+45.22.0 pts · #20
- 1Sekaran, AdithyaCAN-42.00.0 pts · #31
- 2Gao, HeyeCMCAN-42.03.0 pts · #8
- 3Dhaliwal, Jaipreet SinghCAN-37.21.0 pts · #27
- R3+398 Elo gap
- R1+317 Elo gap
- R2+299 Elo gap