CChessStats

2025 Southern Suburbs Championship Rounds 4-7

Open SwissStandard

13 players participated in this 7-round tournament, held from 04 Nov 2025 to 25 Nov 2025 in Perth, Australia. 1 titled players from 2 federations. Top 10 Elo average was 1690, and top seed was David King (🇦🇺 AUS, 1877).

Stijn Verlinden (🇦🇺 AUS, 0) won with 3.5/7, ahead of David King (3.0) and Kathryn Hardegen (3.0). Verlinden took the lead from round 6.

The biggest upset came in round 5: Wallace Sheridan (1520) beat Cecil Gwezere (1763), a +243-point gap.

Location
🇦🇺Perth, Australia
Dates
04 Nov 2025 → 25 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇦🇺David King1877
Avg top 10
1,690
Participants
13
Titled players · 1
WFM×1
Federations · 2 represented
🇦🇺Australia×12
🇿🇼Zimbabwe×1
Top 3

How it unfolded

Top 6 · 7 rounds

Stijn Verlinden led from R6; +0.5-point edge over the runner-up. Title race converged from 6 co-leaders at R4 to 1 by R6.

Co-leaders
14
14
14
6
2
1
1
23.55.57R1R2R3R4R5R6R7
R6–R7 · LEAD HELD

Stijn Verlinden held the sole lead from R6 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Stijn Verlinden drew with David King (White).

R5–R7 · WIN STREAK

WFM Kathryn Hardegen won 3 in a row (R5–R7).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Stijn Verlinden*
½
2David King
½
*
1
½
3WFMKathryn Hardegen
0
*
1
4Gavin Soutar
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Verlinden, Stijn0AUSFFF+11B=2B+7N+6B3.57.07.05.502021+12.0
2King, David1877AUSFFF+3B=1N=4B+5B3.011.011.08.001993+11.2
3Hardegen, KathrynWFM1868AUSFFF2N+4B+5N+7B3.09.59.56.501903+3.8
4Soutar, Gavin1754AUSFFF+12B3N=2N+10B2.56.06.01.501820+8.4
5Van Burgel, Bradley1644AUSFFF+13N+6B3B2N2.08.08.02.001729+10.0
6Sethuraman, Jaswanth Ram1549AUSFFF+10N5N+8B1N2.07.57.52.001681+32.0
7Sheridan, Wallace1520AUSFFF+9N+11N1B3N2.07.57.51.001724+8.8
8McAteer, Ian1717AUSFFFF+10B6N+9N2.03.03.01.001499-10.4
9Aggarwal, Nevish0AUSFFF7BF+?N8B1.04.04.00.0014370.0
10Jayasinghe, Attiligoda0AUSFFF6B8NF4N0.06.56.50.00851-35.2
11Gwezere, Cecil1763ZIMFFF1N7BFF0.05.55.50.00966-18.0
12De Heer, Alex1631AUSFFF4NFFF0.02.52.50.00945-7.6
13Wu, Kobe1581AUSFFF5BFFF0.02.02.00.00828-21.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets