10th Johor Chess Open 2025

SwissStandard

79 players participated in this 9-round tournament, held from 26 Dec 2025 to 31 Dec 2025 in Johor Bahru, Malaysia. 24 titled players from 8 federations. Top 10 Elo average was 2401, and top seed was Raahul V S (🇮🇳 IND, GM, 2442).

Novendra Priasmoro (🇮🇩 INA, GM, 2394) won with 7.5/9, ahead of Dang Hoang Son (7.0) and Zacky Dhia Ulhaq (7.0). Priasmoro shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 7: Aqilah Husna Ainul Fikri (1851) beat Konstantin Sek (IM, 2378), a +527-point gap.

Location

🇲🇾Johor Bahru, Malaysia

Dates

26 Dec 2025 → 31 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇮🇳GMRaahul V S2442

Avg top 10

2,401

Participants

Titled players · 24

GM×4

IM×9

FM×4

CM×4

WFM×2

WCM×1

Federations · 8 represented

🇲🇾Malaysia×28

🇮🇩Indonesia×11

🇸🇬Singapore×11

🇻🇳Vietnam×7

🇮🇷Iran×7

🇨🇳China×5

🇮🇳India×4

🇷🇺Russia×2

Top 3

🥇
GMNovendra Priasmoro
🇮🇩INA·2394
7.5pts·2505perf+13.8
🥈
IMDang Hoang Son
🇻🇳VIE·2378
7.0pts·2451perf+10.6
🥉
FMZacky Dhia Ulhaq
🇮🇩INA·2311
7.0pts·2392perf+22.0

How it unfolded

Top 6 · 9 rounds

GM Novendra Priasmoro led from R9; +0.5-point edge over the runner-up. Title race converged from 7 co-leaders at R4 to 1 by R9.

Co-leaders

Priasmoro7.5Ulhaq7Son7Rajaa6.5Shaikh6.5Nguyen6.5

R9–R9 · LEAD HELD

GM Novendra Priasmoro held the sole lead from R9 through R9 without losing it.

WIN STREAKS · 2 top finishers

GM Novendra Priasmoro 3+3 wins (R2–R4, R6–R8)IM Dang Hoang Son 3 wins (R6–R8)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMNovendra Priasmoro	*	—	½	1
2FMZacky Dhia Ulhaq	—	*	1	—
3IMDang Hoang Son	½	0	*	—
4IMKarthik Rajaa	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Priasmoro, NovendraGM	2394	INA	=31N	+25B	+37N	+66B	=2N	+16B	+14B	+5N	=4N	7.5	44.5	47.5	38.50	2505	+13.8
2	Dang Hoang SonIM	2378	VIE	+42B	=30N	+24B	+9N	=1B	+4B	+8N	+14N	−3B	7.0	48.0	52.0	39.00	2451	+10.6
3	Ulhaq, Zacky DhiaFM	2311	INA	+60N	+33B	=34N	−14B	+27N	+15B	=7N	+8B	+2N	7.0	43.5	47.0	36.50	2392	+22.0
4	Nguyen, Quoc HyIM	2418	VIE	+40B	=15N	=36B	+11N	+13B	−2N	+16B	+39N	=1B	6.5	45.5	49.5	34.00	2347	-4.0
5	Karthik RajaaIM	2298	IND	−22N	+76B	+31N	=7B	+34N	+32B	+17N	−1B	+18B	6.5	42.5	43.5	28.00	2282	+4.0
6	Mohammad Nubairshah ShaikhIM	2399	IND	=25N	+74B	=17N	+33B	=16N	−7N	+34B	+15B	+19N	6.5	41.5	42.5	28.50	2292	-7.8
7	Ang, Ern Jie AndersonFM	2280	MAS	+39B	+21N	=18B	=5N	=15N	+6B	=3B	=12N	=16B	6.0	48.0	52.0	34.00	2355	+21.2
8	Raahul V SGM	2442	IND	+20B	+41N	+11B	=12N	+18B	=14N	−2B	−3N	+24B	6.0	47.5	51.5	31.75	2365	-6.0
9	HAMDAN YELPI	2003	INA	+63N	+19B	=14N	−2B	+49N	−10B	+58N	=23B	+26B	6.0	41.5	44.5	26.25	2328	+143.2
10	Wagh SuyogIM	2395	IND	+38B	=24N	=15B	=41N	=30B	+9N	=13B	=26N	+35B	6.0	40.0	44.0	29.00	2213	-16.4
11	Yu,Shi	2119	CHN	+28N	+22B	−8N	−4B	=31N	+38B	=35N	+42B	+23N	6.0	40.0	44.0	27.25	2202	+38.0
12	Nguyen Van HuyGM	2363	VIE	+64N	+57B	+49N	=8B	−14N	=26B	=23N	=7B	+37B	6.0	39.0	42.0	25.50	2326	-1.1
13	Yuan, Qingyu	2268	CHN	+51N	=37B	=35N	+42B	−4N	+40B	=10N	=17B	+36B	6.0	38.0	42.0	25.75	2191	-10.0
14	Mariano, Fabian GlenFM	2389	INA	+77B	+32N	=9B	+3N	+12B	=8B	−1N	−2B	=17N	5.5	49.5	50.5	27.25	2317	-5.6
15	Sidabutar, Uriel Noah Oloan	2099	INA	+69B	=4B	=10N	+23N	=7B	−3N	+21B	−6N	+39B	5.5	46.5	48.5	25.75	2288	+86.4
16	Polschikov, AlexeyIM	2321	RUS	+53B	=27N	+30B	+36N	=6B	−1N	−4N	+29B	=7N	5.5	45.0	49.0	26.25	2243	-5.6
17	Dziththauly RamadhanCM	2171	INA	+76B	=35N	=6B	+20N	+43B	=18N	−5B	=13N	=14B	5.5	43.5	44.5	24.25	2293	+31.0
18	Arfan, Aditya BagusIM	2382	INA	+50N	+73B	=7N	+34B	−8N	=17B	=19N	+32B	−5N	5.5	42.0	43.5	22.50	2254	-11.9
19	Syaputra, Arifa Rizki	2247	INA	+65B	−9N	+77B	=21N	=39B	+46N	=18B	+27N	−6B	5.5	39.5	40.5	20.50	2134	-19.4
20	Muraley, Rittesh	1988	MAS	−8N	+55B	+78N	−17B	=22N	=36B	=28N	+48B	+32N	5.5	37.5	37.5	19.00	1994	+6.0
21	Vijay, Rege	2013	SGP	+71N	−7B	+74N	=19B	=66N	=58B	−15N	+55B	+56N	5.5	32.0	33.0	15.50	2069	+32.4
22	Leong, Jyuin Pang Alexx Xander	1855	SGP	+5B	−11N	=32B	=40N	=20B	+44N	−27B	=30N	+46B	5.0	40.0	44.0	23.75	2090	+104.8
23	Nguyen, Duc HoaGM	2432	VIE	−37N	+45B	+38N	−15B	+54B	+30N	=12B	=9N	−11B	5.0	40.0	43.5	22.00	2133	-28.4
24	Abd Aziz, A Qil A Lauddin	2078	MAS	+52N	=10B	−2N	=61B	+42N	=35B	=37N	+31B	−8N	5.0	39.5	42.5	21.00	2121	+14.0
25	Mai, Duc Kien	1942	VIE	=6B	−1N	+56B	−30N	=44B	=48N	+45B	=54N	+47B	5.0	38.0	41.5	20.50	1984	+12.8
26	Li, BoIM	2187	CHN	−36N	+79B	+50N	=35B	+61N	=12N	=49B	=10B	−9N	5.0	37.0	37.0	17.00	2079	-10.5
27	Esplanada, Jethro	2030	PHI	+72N	=16B	−66N	+64B	−3B	+61N	+22N	−19B	=38B	5.0	36.0	37.5	17.25	2089	+26.0
28	Nik Norhisham, Nik Muhd Haziq	1786	MAS	−11B	−46N	+72B	−29B	+71N	+65N	=20B	=34N	+40B	5.0	33.0	34.5	14.75	1970	+40.6
29	Bonnet, Gabriel Misa Jean	2035	SGP	=75B	−44N	=45B	+28N	+74B	−43N	+47B	−16N	+51B	5.0	31.5	32.5	16.50	1969	-30.8
30	Chow, Yi ChenCM	2070	MAS	+48N	=2B	−16N	+25B	=10N	−23B	=38N	=22B	=31N	4.5	42.0	46.0	22.25	2104	+10.0
31	Mohd Saprin, Amir Ghaazi	1923	MAS	=1B	=70N	−5B	+48N	=11B	+54N	=41B	−24N	=30B	4.5	41.0	43.0	19.50	2062	+29.2
32	Shahar, Uzair	2078	MAS	+67B	−14B	=22N	+44N	+36B	−5N	+56B	−18N	−20B	4.5	39.5	42.5	17.00	2011	-29.2
33	Tin, Shan Wen	1997	MAS	+78B	−3N	+62B	−6N	=45B	−56N	+60B	=51N	=54B	4.5	35.0	35.0	12.25	1873	-27.8
34	Tan, Yi Xun	2020	MAS	+54B	+43N	=3B	−18N	−5B	+45N	−6N	=28B	F	4.0	42.5	46.0	17.50	2128	+18.6
35	Baardeh, Tahmoores	1992	IRI	+68N	=17B	=13B	=26N	=41B	=24N	=11B	F	−10N	4.0	41.5	43.5	17.75	2138	+46.8
36	Ghanbarpour, Mahan	1828	IRI	+26B	+58B	=4N	−16B	−32N	=20N	+40B	F	−13N	4.0	41.0	44.5	18.50	2129	+54.0
37	Tan, Jun HaoCM	1987	SGP	+23B	=13N	−1B	=65N	+62B	=41N	=24B	F	−12N	4.0	40.5	43.5	17.00	2133	+25.6
38	Patini, Vishant Naidu	1931	MAS	−10N	+52B	−23B	+55N	+70B	−11N	=30B	F	=27N	4.0	37.5	39.5	14.25	2071	+50.4
39	Ainul Fikri, Aqilah Husna	1851	MAS	−7N	=63B	+59N	+73B	=19N	F	+43B	−4B	−15N	4.0	37.0	38.5	13.25	2059	+72.0
40	Teo, Hong Ming	1978	SGP	−4N	=59B	+63N	=22B	+68B	−13N	−36N	+65B	−28N	4.0	36.0	38.0	12.25	1827	-34.6
41	Azali, TannazWFM	2101	IRI	+59N	−8B	+47N	=10B	=35N	=37B	=31N	F	F	4.0	36.0	36.0	16.75	2110	+1.4
42	Chan, Jing Fong Joash	1912	SGP	−2N	+72B	+70B	−13N	−24B	+74N	+46B	−11N	F	4.0	35.5	36.5	8.50	2045	+49.2
43	Sek, KonstantinIM	2378	RUS	+47N	−34B	+44B	+46N	−17N	+29B	−39N	F	F	4.0	34.5	34.5	17.00	2079	-21.9
44	Khoh, Junny Purnama	1863	INA	=66N	+29B	−43N	−32B	=25N	−22B	+67B	−46N	+62B	4.0	33.5	36.5	15.00	1944	+30.4
45	Zheng, Leran	1807	CHN	=70B	−23N	=29N	+57B	=33N	−34B	−25N	+63B	=61N	4.0	33.0	35.0	13.75	1937	+54.8
46	Naing Myo Lin	2042	MYA	−74N	+28B	+71N	−43B	+47N	−19B	−42N	+44B	−22N	4.0	33.0	34.0	14.50	1881	-35.8
47	Pham, Tran Gia ThuWCM	1907	VIE	−43B	+67N	−41B	+78N	−46B	+62N	−29N	+50B	−25N	4.0	32.0	32.0	10.00	1874	-7.0
48	Tran Pham Quang Minh	1755	VIE	−30B	−77N	+79N	−31B	+50N	=25B	+53B	−20N	=64N	4.0	31.5	31.5	12.00	1878	+49.0
49	Roshantab, Sadra	2121	IRI	+79B	+61N	−12B	=54N	−9B	+64N	=26N	F	F	4.0	30.5	30.5	10.25	2029	-25.6
50	Rajendran, Kartikeyan	1913	MAS	−18B	+69N	−26B	−62N	−48B	+78N	+52B	−47N	+67B	4.0	30.5	30.5	9.00	1804	-52.0
51	Abd Aziz, ANiq ARiffin	1845	MAS	−13B	−62N	+52B	−70N	+78B	+68N	=57N	=33B	−29N	4.0	30.0	30.0	10.00	1829	-6.2
52	Joseph, Samuel Alexander	1769	INA	−24B	−38N	−51N	+79B	−57N	+71B	−50N	+69B	+55N	4.0	27.5	27.5	7.00	1821	+25.6
53	Kumaran, Ashwiniy	1866	MAS	−16N	−71B	−55N	=63B	+69N	=59B	−48N	+74B	+65N	4.0	26.0	27.0	9.25	1747	-60.4
54	Shen, Houlin	1661	CHN	−34N	+60B	+57N	=49B	−23N	−31B	F	=25B	=33N	3.5	34.0	37.0	13.75	1942	+97.2
55	Chong Jin Ci	1776	MAS	−58N	−20N	+53B	−38B	=63N	+72B	+61B	−21N	−52B	3.5	32.5	34.0	10.00	1786	+0.4
56	Cheng, Chee Heng Jayden	1726	SGP	−73N	=64B	−25N	+71B	+59N	+33B	−32N	F	−21B	3.5	31.0	32.5	11.00	1879	+54.4
57	Rabbani, Abtin	2011	IRI	+62B	−12N	−54B	−45N	+52B	+67N	=51B	F	F	3.5	31.0	31.0	12.00	1835	-59.6
58	Shen, Ree HerngCM	2105	MAS	+55B	−36N	−61B	+76N	+65B	=21N	−9B	F	F	3.5	30.0	30.0	10.25	1884	-76.0
59	Mohd Azaharuddin, Muhd Imran	1774	MAS	−41B	=40N	−39B	+75N	−56B	=53N	−62B	+60N	=68B	3.5	28.0	29.0	9.50	1756	-14.4
60	Yeoh, Wei Shen	1866	MAS	−3B	−54N	+69B	−68N	=72N	+63B	−33N	−59B	+74N	3.5	27.0	28.0	6.75	1759	-48.4
61	Mohd Afif, Ainul MardhiahWFM	1903	MAS	F	−49B	+58N	=24N	−26B	−27B	−55N	+62N	=45B	3.0	33.0	33.0	11.00	1881	-14.0
62	Govindaraju, Arvind	1640	MAS	−57N	+51B	−33N	+50B	−37N	−47B	+59N	−61B	−44N	3.0	31.5	34.5	11.50	1786	+55.2
63	Lee, Kai Zhe	1553	MAS	−9B	=39N	−40B	=53N	=55B	−60N	+71B	−45N	=75B	3.0	30.5	31.5	7.75	1701	+54.0
64	Gnanasekar, Jai Adithya	1875	SGP	−12B	=56N	+75B	−27N	F	−49B	F	+68N	=48B	3.0	29.5	30.5	6.75	1812	-25.2
65	Helmy, Muhammad Adnin Nuaym	1840	MAS	−19N	+68B	=73N	=37B	−58N	−28B	+74B	−40N	−53B	3.0	29.5	30.5	5.75	1774	-32.0
66	Biriya, Mohammadamin	2301	IRI	=44B	+75N	+27B	−1N	=21B	F	F	F	F	3.0	27.0	27.0	10.75	2120	-17.6
67	Berata, I Kadek Winayaka Sentanu	1768	INA	−32N	−47B	−76N	+69N	+75B	−57B	−44N	+72B	−50N	3.0	24.5	25.5	4.50	1736	-18.4
68	Abu Bakar, Azrul Aminurasyid	0	MAS	−35B	−65N	F	+60B	−40N	−51B	=72N	−64B	=59N	2.0	26.5	26.5	6.00	1662	0.0
69	Poovendtiran, Thamil Chelvan	1774	MAS	−15N	−50B	−60N	−67B	−53B	+75N	+78B	−52N	F	2.0	25.0	25.0	1.00	1616	-66.0
70	Caparino, Diego Abraham	2152	PHI	=45N	=31B	−42N	+51B	−38N	F	F	F	F	2.0	20.5	20.5	8.25	1812	-42.2
71	Kahimin,Alif Amjad	1646	MAS	−21B	+53N	−46B	−56N	−28B	−52N	−63N	F	=72B	1.5	30.5	30.5	4.75	1552	-41.6
72	Danaswara, Indis	1670	AUS	−27B	−42N	−28N	F	=60B	−55N	=68B	−67N	=71N	1.5	27.5	27.5	3.50	1517	-23.0
73	Norouzi Chenari, Parham	2051	IRI	+56B	−18N	=65B	−39N	F	F	F	F	F	1.5	19.0	19.0	5.00	1863	-20.4
74	Chan, Daniel Yun Jie	1718	SGP	+46B	−6N	−21B	F	−29N	−42B	−65N	−53N	−60B	1.0	35.5	36.5	4.00	1640	-27.2
75	Lim, Kian Hwa	1714	MAS	=29N	−66B	−64N	−59B	−67N	−69B	F	F	=63N	1.0	22.5	22.5	4.00	1533	-29.0
76	Ismail, AhmadFM	1817	MAS	−17N	−5N	+67B	−58B	F	F	F	F	F	1.0	18.5	18.5	3.00	1873	+1.6
77	Pang, Khai Jie Ryan	1915	SGP	−14N	+48B	−19N	F	F	F	F	F	F	1.0	16.0	16.0	4.00	1981	+1.8
78	Siva Prakash, Subhaashini	1489	MAS	−33N	F	−20B	−47B	−51N	−50B	−69N	F	F	0.0	25.0	25.0	0.00	1060	-23.2
79	Manjunathan Janani, Yokgan	1798	SGP	−49N	−26N	−48B	−52N	F	F	F	F	F	0.0	17.0	17.0	0.00	1156	-53.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1HAMDAN YELPIINA
+143.2
6.0 pts · #12
2Leong, Jyuin Pang Alexx XanderSGP
+104.8
5.0 pts · #27
3Shen, HoulinCHN
+97.2
3.5 pts · #54

Top rating losers

1Shen, Ree HerngCMMAS
-76.0
3.5 pts · #55
2Poovendtiran, Thamil ChelvanMAS
-66.0
2.0 pts · #68
3Kumaran, AshwiniyMAS
-60.4
4.0 pts · #44

Biggest upsets

R7+527 Elo gap
Ainul Fikri, Aqilah Husna1851 beat IMSek, Konstantin2378
R1+445 Elo gap
CMTan, Jun Hao1987 beat GMNguyen, Duc Hoa2432
R1+443 Elo gap
Leong, Jyuin Pang Alexx Xander1855 beat IMKarthik Rajaa2298