CChessStats

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
Top seed
🇨🇳Zhi Zhang2320
Avg top 10
2,006
Participants
38
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 rounds

Zhi Zhang led from R4; +0.5-point edge over the runner-up.

Co-leaders
13
6
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7
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
Player1234
1Zhi Zhang*
½
1
1
2FMRui Gen Teh
½
*
1
3Andras Szijarto
0
0
*
4Issa Majidi
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Zhang, Zhi2320CHN+16N+6B+3N+4B=2N+15B+5N6.528.031.528.502425+9.8
2Teh, Rui GenFM2083AUS+34N+22B=15N+3B=1B+4N+8B6.026.528.523.502290+67.2
3Szijarto, Andras2058HUN+5B+20N1B2N+31B+9N+7B5.028.030.017.502033+1.6
4Tan, Zhong Kai2098SGP+38B+31N+7B1N+8B2B=15N4.526.026.512.252051-3.6
5Hamilton, Austin1730AUS3N+29B+35N=17B+18N+14B1B4.525.026.513.251959+80.0
6Majidi, Issa1808AUS+36B1N+20B=27N=9B=21N+23B4.522.023.512.251902+32.0
7Davis, Tony JCM1902AUS+10N+19B4N+16B15N+17B3N4.024.027.514.501933+6.6
8Shah Mansouri, Kevin1885AUS+12N+35B=27N=15B4N+22B2N4.023.525.011.501903+9.2
9Huang, Yuqi (ricky)1705AUS=23N=17B=14N+30B=6N3B+22N4.023.025.513.001922+78.4
10Tankel, Alan1705AUS7B=28N11B+36N+19N+18B=13N4.021.523.011.751814+18.0
11Deng, Eric1873AUS=24N27B+10N=18B=16N+30B=17N4.020.022.513.251781-31.2
12Huang, Hui1695AUS8BF13N+20N+26B+27N+21B4.019.519.511.501908+34.2
13Taylor, Leon1877AUS20B+34N+12B21N=24B+32N=10B4.019.021.011.501742-23.6
14Ellis, David1896AUS31B+38N=9B=24N+25B5N+27B4.019.019.59.501756-24.6
15Balavignan, AshvinCM2023AUSF+25N=2B=8N+7B1N=4B3.528.028.014.252051+11.0
16Malik, Aidan1745INA1B+37N+32B7N=11B=29N=19B3.522.523.58.001802+16.8
17De Vas, Yonal1886AUSF=9N+31B=5N+21B7N=11B3.521.521.511.251829-16.8
18Wu, Kobe1581AUS=33B+26N=21B=11N5B10N+28B3.521.023.010.001710+37.2
19Nguyen, Anthony1664AUS+28B7N=33B=26N10B+31N=16N3.519.021.08.751713+13.6
20Bumbak, Jacob1689AUS+13N3B6N12BF+25N+26B3.023.523.510.001819+19.0
21Le, Quang Minh1724AUSF+23B=18N+13B17N=6B12N3.022.522.511.001793+22.4
22Wolstencroft, Alan1748AUS+37B2N=25B+33N=27B8N9B3.021.522.55.751720-7.2
23Novakovic, Velibor1911SRB=9B21N=28B=25N+35B=24N6N3.020.021.57.751642-41.8
24Yao, Ryan1684AUS=11B=33N=30N=14B=13N=23BF3.019.519.59.751853+52.8
25Harris, Eamon1672AUS+29N15B=22N=23B14N20B+32B3.019.021.07.501769+29.6
26De Guzman, Jessie1805NZL=32N18B+29N=19B12N+37B20N3.018.519.56.251615-35.2
27Gough, Dylan1721AUSF+11N=8B=6B=22N12B14N2.523.523.59.751761+5.4
28Gunawan, Michael0AUS19N=10B=23N=32B30N+35B18N2.518.520.06.0015940.0
29Shen, Owen1847AUS25B5N26BF+34N=16B+30N2.518.518.56.251690-52.8
30Rrasa, Elvan1794ITA35B+36N=24B9N+28B11N29B2.517.519.05.501533-40.8
31Gunawan, Marco1696AUS+14N4B17N+37B3N19BF2.021.521.55.001736+2.2
32Bradley, Luke1617AUS=26BF16N=28N+33B13B25N2.018.018.04.751623+0.4
33Gwezere, Cecil1763ZIM=18N=24B=19N22B32NF=36B2.017.018.55.751532-37.4
34Liyanage, Nithuli1733AUS2B13B=38N=35N29BF+37N2.017.017.52.001659-26.8
35De Jong, Sjef1601AUS+30N8N5B=34B23N28NF1.518.518.53.501662+6.2
36Van Burgel, Bradley1644AUS6N30BF10BF+38N=33N1.513.513.51.501612-4.4
37Moseley, Paul1562AUS22N16BF31N+38B26N34B1.014.014.00.501471-11.6
38Gunawan, Tjermin1734AUS4N14B=34BF37N36BF0.513.013.01.001421-34.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets