CChessStats

National Interstate Women Chess Championship 2025

Open SwissStandard

26 players participated in this 5-round tournament, held from 03 Oct 2025 to 06 Oct 2025 in Pontian, Johor, Malaysia. 1 titled players. Top 10 Elo average was 1695, and top seed was Ainul Mardhiah Mohd Afif (🇲🇾 MAS, WFM, 1879).

Ashwiniy Kumaran (🇲🇾 MAS, 1818) won with 5.0/5, ahead of Ainul Mardhiah Mohd Afif (5.0) and A Dira A Ddawiyah Abd Aziz (4.5). Kumaran shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Yean Chee Tan (1416) beat Rou Yi Chong (1531), a +115-point gap.

Location
🇲🇾Pontian, Johor, Malaysia
Dates
03 Oct 2025 → 06 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
Avg top 10
1,695
Participants
26
Titled players · 1
WFM×1
Federations · 1 represented
🇲🇾Malaysia×26
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 5.0/5, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders
11
5
5
3
2
1.52.545R1R2R3R4R5
R5 · TIEBREAK CLUSTER

2 players finish on 5.0/5. Kumaran takes the title on Buchholz Cut1 (8.0).

WIN STREAKS · 3 top finishers

WFM Ainul Mardhiah Mohd Afif 5 wins (R1–R5)Ashwiniy Kumaran 5 wins (R1–R5)A Dira A Ddawiyah Abd Aziz 3 wins (R1–R3)

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Kumaran, Ashwiniy1818MAS+9N+18B+22N+25B+10N5.08.08.08.002407+49.6
2Mohd Afif, Ainul MardhiahWFM1879MAS+14N+17N+8B+23N+25B5.07.07.07.002347+24.8
3Abd Aziz, A Dira A Ddawiyah1743MAS+7N+13B+16N=6B+21N4.510.011.09.251878+11.4
4Mohd Tarmizi, Nur Uzma Bazilah1785MAS+20B+11N+26B+12N=5B4.510.010.08.001829+5.2
5She, Shuen Fei1533MAS+11N=12B+20N+24B=4N4.010.511.07.501784+51.6
6Lim, Yijia Claire1562MAS+16N+21B+13N=3NF3.511.012.06.751901+61.2
7Ammar, Nuha Zinnirah1483MAS3B+26B+21N+13BF3.011.011.03.001689+32.0
8Mohd Zahidi, Zafirah1548MAS=15N+14B2N+17N=23B3.010.511.04.751663+24.8
9Muhamad Rosli, Nur Aufa Hana1568MAS1B=19B+18N+22B=16N3.09.510.03.501666+25.2
10Ainul Fikri, Aqilah Husna1851MAS+22BF+25B+18N1B3.07.07.02.001802-5.6
11Mohd Rahmat, Nur Afrina1567MAS5B4B+12N+20B=24N2.512.012.53.751495-17.6
12Fun, Ven Vhue1565MAS+26B=5N11B4B+20N2.512.012.03.001355-30.8
13Tan, Yean Chee1416MAS+21N3N6B7N+26B2.012.012.01.001385-8.0
14Chong, Hui Yi1458MAS2B8N+23B=15N=17B2.011.512.02.251536+7.8
15Soh, Jing Qi1493MAS=8B+23N17B=14BF2.07.07.03.001537+9.6
16Sarawanan, Kaartiga1571MAS6B+22B3B21B=9B1.512.012.52.001437-36.0
17Thamil Manni, Swetha1595MASF2B+15N8B=14N1.512.012.03.001512-20.8
18Mohd Fathiyakan, Nur Izzah Iman1522MAS+25B1N9B10B=22N1.511.511.50.251518-4.8
19Fun, Ven Xuen1543MAS+23N=9NFFF1.53.53.52.001743+22.0
20Zaidani, Nusaybah Annayla1401MAS4N+24N5B11N12B1.013.514.00.5013390.0
21Chong, Rou Yi1531MAS13B6N7B+16N3B1.013.014.51.501314-54.4
22Zaidani, Zinneerah Annour1529MAS10N16N1B9N=18B0.512.514.00.751300-47.2
23Mohd Afif, Aishah1533MAS19B15B14N2B=8N0.512.013.51.501219-68.4
24Nor Ahdat, Nur Farhatul Hakimah1444MASF20BF5N=11B0.57.57.51.251357-4.2
25Tan, Yean Shin1568MAS18NF10N1N2N0.014.514.50.00967-42.4
26Ng, Yi Han0MAS12N7N4NF13N0.012.012.00.007630.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets