CChessStats

2025 SSCA_SOW Boxing Week Chess Open

Open SwissStandard

10 players participated in this 6-round tournament, held from 26 Dec 2025 to 28 Dec 2025 in Waterdown, ON, Canada. 4 titled players from 2 federations. Top 10 Elo average was 2072, and top seed was Razvan Preotu (🇨🇦 CAN, GM, 2485).

Razvan Preotu (🇨🇦 CAN, GM, 2485) won with 5.5/6, ahead of Nicholas Vettese (5.0) and Jaipreet Singh Dhaliwal (3.0). Preotu broke clear in the final round.

The biggest upset came in round 4: Sean Fangxiao Liu (1915) beat Matthew Zhu (2055), a +140-point gap.

Location
🇨🇦Waterdown, ON, Canada
Dates
26 Dec 2025 → 28 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇨🇦GMRazvan Preotu2485
Avg top 10
2,072
Participants
10
Titled players · 4
GM×1
IM×1
WFM×2
Federations · 2 represented
🇨🇦Canada×9
🇮🇷Iran×1
Top 3

How it unfolded

Top 6 · 6 rounds

GM Razvan Preotu led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders
4
2
2
2
2
1
1.534.56R1R2R3R4R5R6
R6–R6 · LEAD HELD

GM Razvan Preotu held the sole lead from R6 through R6 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

GM Razvan Preotu drew with IM Nicholas Vettese (White).

R4–R6 · WIN STREAK

GM Razvan Preotu won 3 in a row (R4–R6).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Preotu, RazvanGM2485CAN+4B+3N=2B+6N+5B+8B5.516.018.015.502539+2.9
2Vettese, NicholasIM2405CAN+9N+6B=1N+5B+8N=3B5.015.517.012.752371+0.6
3Dhaliwal, Jaipreet Singh2048CAN+7N1B5N=9B+10N=2N3.017.018.57.252111+13.2
4Qian, AshleyWFM2016CAN1N+7B10B=8N=9N+6B3.014.015.56.752023-1.6
5Qian, Eric2041CAN=8B=10N+3B2N1N=7B2.518.019.56.002080+2.4
6Xie, IreneWFM1996CAN+10N2N+8B1B=7N4N2.518.019.54.752065+11.2
7Liu, Sean Fangxiao1915CAN3B4N=9N+10B=6B=5N2.512.514.04.751936+5.6
8Chen, Larry Zhou1954CAN=5N+9B6N=4B2B1N2.018.520.04.251969-4.0
9Bolandnazar, Korosh1803IRI2B8N=7B=3N=4BF1.515.515.54.251878+13.6
10Zhu, Matthew2055CAN6B=5B+4N7N3BF1.513.513.54.251854-54.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets