2025 Perth International Open
Open SwissStandard
38 players participated in this 7-round tournament, held from 26 Sept 2025 to 29 Sept 2025 in Perth, Australia. 3 titled players from 8 federations. Top 10 Elo average was 2006, and top seed was Zhi Zhang (🇨🇳 CHN, 2320).
Zhi Zhang (🇨🇳 CHN, 2320) won with 6.5/7, ahead of Rui Gen Teh (6.0) and Andras Szijarto (5.0). Zhang won solo starting round 4.
The biggest upset came in round 2: Kobe Wu (1581) beat Jessie De Guzman (1805), a +224-point gap.
Location
🇦🇺Perth, Australia
Dates
26 Sept 2025 → 29 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 3
FM×1
CM×2
Federations · 8 represented
🇦🇺Australia×30
🇮🇩Indonesia×1
🇮🇹Italy×1
🇨🇳China×1
🇸🇬Singapore×1
🇷🇸Serbia×1
🇿🇼Zimbabwe×1
🇭🇺Hungary×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsZhi Zhang led from R4; +0.5-point edge over the runner-up.
Co-leaders
13
6
2
1
1
1
1
R4–R7 · LEAD HELD
Zhi Zhang held the sole lead from R4 through R7 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Zhi Zhang drew with FM Rui Gen Teh (Black).
WIN STREAKS · 2 top finishers
Zhi Zhang 4 wins (R1–R4)Andras Szijarto 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Zhi Zhang | * | ½ | 1 | 1 |
| 2FMRui Gen Teh | ½ | * | 1 | — |
| 3Andras Szijarto | 0 | 0 | * | — |
| 4Issa Majidi | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Zhang, Zhi | 2320 | CHN | +16N | +6B | +3N | +4B | =2N | +15B | +5N | 6.5 | 28.0 | 31.5 | 28.50 | 2425 | +9.8 |
| 2 | Teh, Rui GenFM | 2083 | AUS | +34N | +22B | =15N | +3B | =1B | +4N | +8B | 6.0 | 26.5 | 28.5 | 23.50 | 2290 | +67.2 |
| 3 | Szijarto, Andras | 2058 | HUN | +5B | +20N | −1B | −2N | +31B | +9N | +7B | 5.0 | 28.0 | 30.0 | 17.50 | 2033 | +1.6 |
| 4 | Tan, Zhong Kai | 2098 | SGP | +38B | +31N | +7B | −1N | +8B | −2B | =15N | 4.5 | 26.0 | 26.5 | 12.25 | 2051 | -3.6 |
| 5 | Hamilton, Austin | 1730 | AUS | −3N | +29B | +35N | =17B | +18N | +14B | −1B | 4.5 | 25.0 | 26.5 | 13.25 | 1959 | +80.0 |
| 6 | Majidi, Issa | 1808 | AUS | +36B | −1N | +20B | =27N | =9B | =21N | +23B | 4.5 | 22.0 | 23.5 | 12.25 | 1902 | +32.0 |
| 7 | Davis, Tony JCM | 1902 | AUS | +10N | +19B | −4N | +16B | −15N | +17B | −3N | 4.0 | 24.0 | 27.5 | 14.50 | 1933 | +6.6 |
| 8 | Shah Mansouri, Kevin | 1885 | AUS | +12N | +35B | =27N | =15B | −4N | +22B | −2N | 4.0 | 23.5 | 25.0 | 11.50 | 1903 | +9.2 |
| 9 | Huang, Yuqi (ricky) | 1705 | AUS | =23N | =17B | =14N | +30B | =6N | −3B | +22N | 4.0 | 23.0 | 25.5 | 13.00 | 1922 | +78.4 |
| 10 | Tankel, Alan | 1705 | AUS | −7B | =28N | −11B | +36N | +19N | +18B | =13N | 4.0 | 21.5 | 23.0 | 11.75 | 1814 | +18.0 |
| 11 | Deng, Eric | 1873 | AUS | =24N | −27B | +10N | =18B | =16N | +30B | =17N | 4.0 | 20.0 | 22.5 | 13.25 | 1781 | -31.2 |
| 12 | Huang, Hui | 1695 | AUS | −8B | F | −13N | +20N | +26B | +27N | +21B | 4.0 | 19.5 | 19.5 | 11.50 | 1908 | +34.2 |
| 13 | Taylor, Leon | 1877 | AUS | −20B | +34N | +12B | −21N | =24B | +32N | =10B | 4.0 | 19.0 | 21.0 | 11.50 | 1742 | -23.6 |
| 14 | Ellis, David | 1896 | AUS | −31B | +38N | =9B | =24N | +25B | −5N | +27B | 4.0 | 19.0 | 19.5 | 9.50 | 1756 | -24.6 |
| 15 | Balavignan, AshvinCM | 2023 | AUS | F | +25N | =2B | =8N | +7B | −1N | =4B | 3.5 | 28.0 | 28.0 | 14.25 | 2051 | +11.0 |
| 16 | Malik, Aidan | 1745 | INA | −1B | +37N | +32B | −7N | =11B | =29N | =19B | 3.5 | 22.5 | 23.5 | 8.00 | 1802 | +16.8 |
| 17 | De Vas, Yonal | 1886 | AUS | F | =9N | +31B | =5N | +21B | −7N | =11B | 3.5 | 21.5 | 21.5 | 11.25 | 1829 | -16.8 |
| 18 | Wu, Kobe | 1581 | AUS | =33B | +26N | =21B | =11N | −5B | −10N | +28B | 3.5 | 21.0 | 23.0 | 10.00 | 1710 | +37.2 |
| 19 | Nguyen, Anthony | 1664 | AUS | +28B | −7N | =33B | =26N | −10B | +31N | =16N | 3.5 | 19.0 | 21.0 | 8.75 | 1713 | +13.6 |
| 20 | Bumbak, Jacob | 1689 | AUS | +13N | −3B | −6N | −12B | F | +25N | +26B | 3.0 | 23.5 | 23.5 | 10.00 | 1819 | +19.0 |
| 21 | Le, Quang Minh | 1724 | AUS | F | +23B | =18N | +13B | −17N | =6B | −12N | 3.0 | 22.5 | 22.5 | 11.00 | 1793 | +22.4 |
| 22 | Wolstencroft, Alan | 1748 | AUS | +37B | −2N | =25B | +33N | =27B | −8N | −9B | 3.0 | 21.5 | 22.5 | 5.75 | 1720 | -7.2 |
| 23 | Novakovic, Velibor | 1911 | SRB | =9B | −21N | =28B | =25N | +35B | =24N | −6N | 3.0 | 20.0 | 21.5 | 7.75 | 1642 | -41.8 |
| 24 | Yao, Ryan | 1684 | AUS | =11B | =33N | =30N | =14B | =13N | =23B | F | 3.0 | 19.5 | 19.5 | 9.75 | 1853 | +52.8 |
| 25 | Harris, Eamon | 1672 | AUS | +29N | −15B | =22N | =23B | −14N | −20B | +32B | 3.0 | 19.0 | 21.0 | 7.50 | 1769 | +29.6 |
| 26 | De Guzman, Jessie | 1805 | NZL | =32N | −18B | +29N | =19B | −12N | +37B | −20N | 3.0 | 18.5 | 19.5 | 6.25 | 1615 | -35.2 |
| 27 | Gough, Dylan | 1721 | AUS | F | +11N | =8B | =6B | =22N | −12B | −14N | 2.5 | 23.5 | 23.5 | 9.75 | 1761 | +5.4 |
| 28 | Gunawan, Michael | 0 | AUS | −19N | =10B | =23N | =32B | −30N | +35B | −18N | 2.5 | 18.5 | 20.0 | 6.00 | 1594 | 0.0 |
| 29 | Shen, Owen | 1847 | AUS | −25B | −5N | −26B | F | +34N | =16B | +30N | 2.5 | 18.5 | 18.5 | 6.25 | 1690 | -52.8 |
| 30 | Rrasa, Elvan | 1794 | ITA | −35B | +36N | =24B | −9N | +28B | −11N | −29B | 2.5 | 17.5 | 19.0 | 5.50 | 1533 | -40.8 |
| 31 | Gunawan, Marco | 1696 | AUS | +14N | −4B | −17N | +37B | −3N | −19B | F | 2.0 | 21.5 | 21.5 | 5.00 | 1736 | +2.2 |
| 32 | Bradley, Luke | 1617 | AUS | =26B | F | −16N | =28N | +33B | −13B | −25N | 2.0 | 18.0 | 18.0 | 4.75 | 1623 | +0.4 |
| 33 | Gwezere, Cecil | 1763 | ZIM | =18N | =24B | =19N | −22B | −32N | F | =36B | 2.0 | 17.0 | 18.5 | 5.75 | 1532 | -37.4 |
| 34 | Liyanage, Nithuli | 1733 | AUS | −2B | −13B | =38N | =35N | −29B | F | +37N | 2.0 | 17.0 | 17.5 | 2.00 | 1659 | -26.8 |
| 35 | De Jong, Sjef | 1601 | AUS | +30N | −8N | −5B | =34B | −23N | −28N | F | 1.5 | 18.5 | 18.5 | 3.50 | 1662 | +6.2 |
| 36 | Van Burgel, Bradley | 1644 | AUS | −6N | −30B | F | −10B | F | +38N | =33N | 1.5 | 13.5 | 13.5 | 1.50 | 1612 | -4.4 |
| 37 | Moseley, Paul | 1562 | AUS | −22N | −16B | F | −31N | +38B | −26N | −34B | 1.0 | 14.0 | 14.0 | 0.50 | 1471 | -11.6 |
| 38 | Gunawan, Tjermin | 1734 | AUS | −4N | −14B | =34B | F | −37N | −36B | F | 0.5 | 13.0 | 13.0 | 1.00 | 1421 | -34.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Hamilton, AustinAUS+80.04.5 pts · #6
- 2Huang, Yuqi (ricky)AUS+78.44.0 pts · #7
- 3Teh, Rui GenFMAUS+67.26.0 pts · #2
Top rating losers
- 1Shen, OwenAUS-52.82.5 pts · #28
- 2Novakovic, VeliborSRB-41.83.0 pts · #26
- 3Rrasa, ElvanITA-40.82.5 pts · #35
Biggest upsets
- R2+224 Elo gap
- R1+200 Elo gap
- R1+193 Elo gap