2025 Southern Suburbs Championship Rounds 1-3
Open SwissStandard
13 players participated in this 3-round tournament, held from 14 Oct 2025 to 28 Oct 2025 in Perth, Australia. 1 titled players from 2 federations. Top 10 Elo average was 1526, and top seed was David King (🇦🇺 AUS, 1877).
Kathryn Hardegen (🇦🇺 AUS, WFM, 1868) won with 3.0/3, ahead of Stijn Verlinden (2.0) and Cecil Gwezere (2.0). Hardegen broke clear in the final round.
Location
🇦🇺Perth, Australia
Dates
14 Oct 2025 → 28 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 3 rounds
Titled players · 1
WFM×1
Federations · 2 represented
🇦🇺Australia×12
🇿🇼Zimbabwe×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsWFM Kathryn Hardegen led from R3; +1.0-point edge over the runner-up.
Co-leaders
6
2
1
R3–R3 · LEAD HELD
WFM Kathryn Hardegen never relinquished the lead after R3; final gap +1.0 over the runner-up.
R1–R3 · WIN STREAK
WFM Kathryn Hardegen won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1WFMKathryn Hardegen | * | — | — | 1 |
| 2David King | — | * | ½ | — |
| 3Cecil Gwezere | — | ½ | * | — |
| 4Stijn Verlinden | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Hardegen, KathrynWFM | 1868 | AUS | +6B | +9N | +2B | 3.0 | 3.5 | 4.5 | 4.50 | 2356 | +5.6 |
| 2 | Verlinden, Stijn | 0 | AUS | +4B | +?N | −1N | 2.0 | 5.0 | 5.0 | 2.00 | 1767 | 0.0 |
| 3 | Gwezere, Cecil | 1763 | ZIM | +11B | =7N | =5B | 2.0 | 3.5 | 4.5 | 2.75 | 1814 | +5.0 |
| 4 | Soutar, Gavin | 1754 | AUS | −2N | +8B | +10N | 2.0 | 3.0 | 4.0 | 2.00 | 2315 | +4.2 |
| 5 | King, David | 1877 | AUS | =8N | +12B | =3N | 2.0 | 3.0 | 3.0 | 1.50 | 1787 | -6.6 |
| 6 | Wu, Kobe | 1581 | AUS | −1N | +13B | =8N | 1.5 | 4.0 | 4.0 | 0.50 | 1499 | -11.2 |
| 7 | De Heer, Alex | 1631 | AUS | +12N | =3B | F | 1.5 | 2.0 | 2.0 | 1.00 | 1929 | +15.4 |
| 8 | Sheridan, Wallace | 1520 | AUS | =5B | −4N | =6B | 1.0 | 4.0 | 5.5 | 1.75 | 1617 | +6.2 |
| 9 | Sethuraman, Jaswanth Ram | 1549 | AUS | +10B | −1B | F | 1.0 | 4.0 | 4.0 | 1.00 | 1068 | -4.4 |
| 10 | Aggarwal, Nevish | 0 | AUS | −9N | +11N | −4B | 1.0 | 3.0 | 4.0 | 1.00 | 1474 | 0.0 |
| 11 | Jayasinghe, Attiligoda | 0 | AUS | −3N | −10B | +13N | 1.0 | 3.0 | 3.0 | 0.00 | 954 | -8.8 |
| 12 | McAteer, Ian | 1717 | AUS | −7B | −5N | F | 0.0 | 3.5 | 3.5 | 0.00 | 966 | -17.6 |
| 13 | Kamma, Lalit | 0 | AUS | −?B | −6N | −11B | 0.0 | 2.5 | 2.5 | 0.00 | 787 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1De Heer, AlexAUS+15.41.5 pts · #5
- 2Sheridan, WallaceAUS+6.21.0 pts · #6
- 3Hardegen, KathrynWFMAUS+5.63.0 pts · #3
Top rating losers
- 1McAteer, IanAUS-17.60.0 pts · #11
- 2Wu, KobeAUS-11.21.5 pts · #9
- 3Jayasinghe, AttiligodaAUS-8.81.0 pts · #12