CChessStats

2025 Chess4win October 25-26 Markham Open O1900

Open SwissStandard

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.

Location
🇨🇦Markham, ON, Canada
Dates
25 Oct 2025 → 26 Oct 2025
Time control
Standard: 75 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦IMNicholas Vettese2372
Avg top 10
2,088
Participants
33
Titled players · 7
IM×1
FM×2
CM×1
WFM×3
Federations · 5 represented
🇨🇦Canada×29
🇺🇬Uganda×1
🇮🇳India×1
🇭🇰Hong Kong China×1
🇮🇷Iran×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight 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.

Co-leaders
13
6
3
2
2
1.52.545R1R2R3R4R5
R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Gao takes the title on Buchholz Cut1 (12.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Raymond Gao drew with IM Nicholas Vettese (Black).

WIN STREAKS · 3 top finishers

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
Player1234
1Raymond Gao*
½
2IMNicholas Vettese
½
*
3Jeffrey R Zhao*
4Wesley Russell*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Gao, Raymond2026CAN+31B+16N+5B=2N+7B4.512.512.510.252400+39.8
2Vettese, NicholasIM2372CAN+23N+15B+6N=1B+13N4.512.013.511.252365-0.4
3Zhao, Jeffrey R1960CAN+32B+8N+17B11N+5B4.011.011.08.002095+34.8
4Russell, Wesley1759CAN=13B=7N+28N=6B+21N3.510.511.57.252112+87.2
5Chen, Larry Zhou1980CAN+10N+27B1N+17B3N3.013.514.56.002028+15.6
6Yao, Henry1876CAN+30N+20B2B=4N=9B3.013.013.55.751945+16.4
7Wang, Nathan Zian2022CAN=14N=4B+15N+21B1N3.012.514.57.001890-29.6
8Bolandnazar, Korosh1801IRI+18N3B=19N=25B+23N3.09.511.05.251913+30.4
9Gao, HeyeCM2049CAN15N+23B=22N+29B=6N3.08.08.54.251868-42.0
10Deepak, LaksshanaWFM2070CAN5B24N+31B+22B+18N3.08.08.03.501913-36.0
11Malakar, SaarthakFM2088CANF+26N+27B+3BF3.06.56.56.502769+41.2
12Qian, AshleyWFM1957CAN22N+33BF+24N+14B3.05.55.54.001988+5.6
13Xie, IreneWFM2052CAN=4N+14BF+16N2B2.512.512.56.252075+4.4
14Dembla, Shabd1831CAN=7B13N+20N+19B12N2.510.512.55.501867+10.0
15Pan, Julian1768CAN+9B2N7B18B+29N2.012.513.03.501894+26.0
16Surender Kumar Sharma1957IND+28N1B+18N13B17N2.011.012.03.001873-10.8
17Sama, Chetan Reddy1658CANF+19B3N5N+16B2.011.011.04.001909+46.8
18Maulucci, Anthony1832CAN8B+32N16B+15N10B2.010.010.02.001797-5.6
19Lee, Matthew Yin Hang1735HKG+29B17N=8B14N=20B2.09.510.03.001653-11.2
20Madhu Vikram, Chaarvik1571CAN+25B6N14B=26B=19N2.09.010.53.251770+45.2
21Ajith, Aarush1708CAN+33N+22BF7N4B2.08.08.01.501840+26.4
22Zhao, Jifan1786CAN+12B21N=9B10NF1.511.012.54.501859+11.2
23Cholakis, Max1789CAN2B9N+32B=30N8B1.511.011.00.251750-16.4
24Zaka, Mohid1771CAN27N+10B=29N12BF1.58.59.03.251876+8.6
25Loadman, Ian1888CAN20N+30BF=8NF1.55.55.52.001694-14.4
26Tseng, Bradley1881CANF11BF=20N+30B1.55.55.51.501790-12.4
27Dhaliwal, Jaipreet Singh2064CAN+24B5N11NFF1.07.57.51.501822-37.2
28Nsubuga, HarunaFM2157UGA16B+31N4BFF1.05.55.50.001726-31.0
29Gandolfi, Fred1763CAN19NF=24B9N15B0.58.58.50.751508-23.6
30Lau, Jayden1711CAN6B25NF=23B26N0.57.57.50.751537-28.8
31Mittal, Aashwin1836CAN1N28B10NFF0.08.58.50.001284-11.8
32Sekaran, Adithya1748CAN3N18B23NFF0.07.57.50.001060-42.0
33Bucci, Andrew1811CAN21B12NFFF0.05.05.00.001033-18.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets