4th Blue Chevaliers International Open 2025

SwissStandard

98 players participated in this 9-round tournament, held from 13 Jul 2025 to 19 Jul 2025 in Phuket, Thailand. 20 titled players from 8 federations. Top 10 Elo average was 2318, and top seed was Dmytro Danylenko (🇺🇦 UKR, IM, 2418).

Quoc Hy Nguyen (🇻🇳 VIE, IM, 2389) won with 8.0/9, ahead of Dang Hoang Son (8.0) and Nithin Babu (7.0). Nguyen shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Jafaruddin Harahap (1788) beat Duc Hoa Nguyen (GM, 2405), a +617-point gap.

Location

🇹🇭Phuket, Thailand

Dates

13 Jul 2025 → 19 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇺🇦IMDmytro Danylenko2418

Avg top 10

2,318

Participants

Titled players · 20

GM×1

IM×4

FM×6

CM×5

WFM×1

WCM×3

Federations · 8 represented

🇮🇳India×18

🇨🇳China×11

🇷🇺Russia×9

🇸🇬Singapore×7

🇹🇭Thailand×6

🇦🇺Australia×6

🇮🇩Indonesia×6

🇲🇾Malaysia×6

Top 3

🥇
IMQuoc Hy Nguyen
🇻🇳VIE·2389
8.0pts·2549perf+15.8
🥈
IMDang Hoang Son
🇻🇳VIE·2398
8.0pts·2530perf+13.2
🥉
Nithin Babu
🇮🇳IND·2298
7.0pts·2312perf+7.4

How it unfolded

Top 6 · 9 rounds

Tight race until R5; 2 players tied at 8.0/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Nguyen8Son8Babu7Nguyen6.5Halder6.5Danylenko6.5

R5–R9 · LEAD HELD

IM Quoc Hy Nguyen held the sole lead from R5 through R9 without losing it.

R9 · TIEBREAK CLUSTER

2 players finish on 8.0/9. Nguyen takes the title on Buchholz Cut1 (51.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

IM Quoc Hy Nguyen beat IM Dang Hoang Son (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMQuoc Hy Nguyen	*	1	1	½
2IMDang Hoang Son	0	*	—	1
3Nithin Babu	0	—	*	—
4GMDuc Hoa Nguyen	½	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Nguyen, Quoc HyIM	2389	VIE	+60B	+45N	+18B	+6N	+2B	+3N	=7B	+5N	=4B	8.0	51.0	54.5	48.00	2549	+15.8
2	Dang Hoang SonIM	2398	VIE	+57N	+19B	+24N	+10B	−1N	+8B	+4N	+6B	+7N	8.0	50.5	54.0	46.00	2530	+13.2
3	Nithin Babu	2298	IND	+36B	+29N	+25B	=5N	+17B	−1B	=14N	+18N	+11B	7.0	47.5	52.5	38.25	2312	+7.4
4	Danylenko, DmytroIM	2418	UKR	=44N	=43B	+40N	+20B	+5B	+12N	−2B	+10N	=1N	6.5	49.5	54.0	37.50	2320	-6.4
5	Makarov, Nikolai Val.FM	2131	RUS	+47N	+13B	+20N	=3B	−4N	+26B	+23N	−1B	+17N	6.5	48.5	52.5	34.50	2209	+22.8
6	Balkishan, A.	2138	IND	+66B	+34N	+32B	−1B	=26N	+41N	+13B	−2N	+22B	6.5	47.0	50.5	32.00	2124	+2.8
7	Nguyen, Duc HoaGM	2405	VIE	−91B	+48N	+16B	+31N	+18B	+25N	=1N	+17B	−2B	6.5	47.0	48.5	35.00	2275	-8.5
8	Sneha HalderWFM	2076	IND	=42N	=44B	+49N	+57B	+28B	−2N	+29B	+12N	=15N	6.5	43.0	46.5	31.00	2105	+23.9
9	Teo, Hong Ming	1938	SGP	=28N	+42B	+33N	=26B	=15N	−13B	+37N	+23B	+20N	6.5	42.5	47.0	33.00	2016	+19.4
10	Caparino, Diego Abraham	2194	PHI	+16B	+41N	+31B	−2N	+46B	+11N	−17B	−4B	+29N	6.0	46.5	50.5	30.50	2184	+4.0
11	Saragih, Arif RahmanFM	2268	INA	+54N	−23B	+21N	+19B	+78N	−10B	+25N	+14B	−3N	6.0	44.0	47.0	29.00	2135	-21.8
12	Batashevs, Arsens	2206	LAT	+58N	=33B	=23N	+70B	+30N	−4B	+27N	−8B	+32N	6.0	41.5	44.5	26.50	2072	-22.2
13	Lv, RuiqiCM	1835	CHN	+64B	−5N	=80B	+61N	+31B	+9N	−6N	=25B	+24B	6.0	41.5	44.0	27.25	2006	+81.2
14	Sai Han ThihaFM	2121	MYA	+71B	=51N	=46B	=41N	+50B	+22N	=3B	−11N	+34B	6.0	40.0	43.0	27.25	2055	-18.6
15	Ammar, SedraniFM	2215	UAE	F	+52N	+91B	+32N	=9B	−23B	+33N	+41N	=8B	6.0	38.0	38.0	26.50	2083	-18.0
16	N. Tarun	1742	IND	−10N	+97B	−7N	+85B	−20N	+73B	+70N	+27B	+53N	6.0	35.0	35.0	17.00	1948	+46.4
17	Andyka, PitraIM	2155	INA	+94N	+50B	=30N	+23B	−3N	+33B	+10N	−7N	−5B	5.5	45.0	46.0	23.50	2108	-5.4
18	Kao, Jamison EdrichCM	2018	USA	+87N	+70B	−1N	+43B	−7N	+51B	+47N	−3B	=39N	5.5	42.0	44.0	20.00	2048	+12.9
19	Azzamy, Khalid Shafwan	1889	INA	+48B	−2N	+55B	−11N	+59B	=37N	+69B	−22N	+43B	5.5	40.5	43.5	21.50	1893	+5.6
20	Yumshanov, Leonid	1891	RUS	+96B	+91N	−5B	−4N	+16B	+46N	+68B	=24N	−9B	5.5	39.5	40.0	18.00	2035	+31.6
21	Zheng, Leran	1622	CHN	=27B	+22N	−11B	+36N	−41B	=90N	+63B	=43N	+51N	5.5	38.0	40.0	23.75	1935	+140.8
22	Khokhlov, Igor V	1859	RUS	=84N	−21B	+86N	+38B	+71N	−14B	+48N	+19B	−6N	5.5	38.0	40.0	20.75	1846	-1.0
23	Nithyalakshmi, SivanesanWCM	1872	MAS	+82B	+11N	=12B	−17N	+80B	+15N	−5B	−9N	=36B	5.0	44.0	46.5	22.50	2033	+33.2
24	Skiotis, Pano	1991	AUS	+61B	+37N	−2B	=51N	−39N	+58B	+26N	=20B	−13N	5.0	42.0	45.5	21.75	1910	-20.4
25	Tan, Jun HaoCM	1950	SGP	+62N	+89B	−3N	+47B	+68N	−7B	−11B	=13N	=37B	5.0	41.5	43.5	18.50	2047	+18.2
26	Chen, Yunqi	1801	CHN	+93B	=53N	+27B	=9N	=6B	−5N	−24B	+69N	=31B	5.0	41.5	42.5	20.00	1915	+55.2
27	Gnanasekar, Jai Adithya	1880	SGP	=21N	+38B	−26N	=79B	+60N	+28B	−12B	−16N	+54B	5.0	40.0	43.0	21.75	1813	-31.5
28	Zhang, Zhirui	1655	CHN	=9B	+35N	+74B	=30B	−8N	−27N	−34B	+71N	+46B	5.0	40.0	43.0	20.75	1922	+114.4
29	Chen, Xianlin	1875	CHN	+85N	−3B	−57N	+62B	+43N	+30B	−8N	+47B	−10B	5.0	40.0	42.0	19.00	1930	+20.4
30	Nugroho, Angel RuthWCM	1907	INA	+81B	+39N	=17B	=28N	−12B	−29N	−43B	+52N	+42N	5.0	39.5	42.0	21.25	1868	-18.4
31	Dayal, Samar	1926	ENG	+75B	+40N	−10N	−7B	−13N	+62B	=60N	+57B	=26N	5.0	39.0	42.0	19.25	1915	-8.7
32	Liu, Zhengcheng	1890	CHN	+80N	+49B	−6N	−15B	=57N	+71B	+44N	=39B	−12B	5.0	38.5	41.0	18.25	1939	+17.5
33	Ling, Guohan	1848	CHN	+76B	=12N	−9B	+94N	+69B	−17N	−15B	=54N	+47B	5.0	38.0	39.0	16.00	1902	+13.3
34	Gutsulyak, Nikolay	1843	RUS	+86N	−6B	−47N	+83B	−42N	+72B	+28N	+38B	−14N	5.0	36.5	38.5	17.50	1783	-13.2
35	Endo, Shuma	1894	JPN	=38N	−28B	=85N	+55B	+49N	=42B	−39N	+58B	=40N	5.0	36.0	38.0	19.75	1758	-58.9
36	Yogesh, Vivek Shelgaonkar	1768	SGP	−3N	=85B	+72N	−21B	+56N	−48B	+45N	+74B	=23N	5.0	36.0	38.0	18.00	1793	+4.6
37	Siddharth, Sai	1831	SGP	+69N	−24B	+56N	−78B	+63N	=19B	−9B	+75N	=25N	5.0	35.5	38.5	18.75	1880	+24.7
38	Song, Yuzhen	1642	CHN	=35B	−27N	+88B	−22N	+94B	=50N	+46B	−34N	+49N	5.0	34.5	35.5	15.50	1841	+91.6
39	Dharmanto, Clayton Valentino	1796	INA	+73N	−30B	F	+84N	+24B	−68N	+35B	=32N	=18B	5.0	34.5	34.5	20.75	1956	+67.2
40	Brown, Geoffrey M	1803	ENG	+72N	−31B	−4B	=75N	=81B	+52N	=59B	+48N	=35B	5.0	34.0	36.5	18.00	1766	-9.0
41	Lau, Sau Ching	1867	MAS	+97N	−10B	+58N	=14B	+21N	−6B	+42N	−15B	F	4.5	42.5	42.5	16.50	1959	+17.6
42	Chen, Baize	1698	CHN	=8B	−9N	+59B	=74N	+34B	=35N	−41B	+50N	−30B	4.5	40.0	43.0	19.75	1856	+63.8
43	Burman, Ray Pritish	1770	SGP	+98B	=4N	=53B	−18N	−29B	+76N	+30N	=21B	−19N	4.5	40.0	40.0	16.00	1905	+54.8
44	Ainul Fikri, Aqilah Husna	1793	MAS	=4B	=8N	=45B	−69N	+65B	+80N	−32B	+59N	F	4.5	37.0	39.5	18.25	1819	+8.7
45	Attwood, James	1878	AUS	+52B	−1B	=44N	−46N	=61B	=79N	−36B	+81N	+83B	4.5	34.5	37.0	14.50	1779	-24.8
46	Shankhadeep Maity	1833	IND	+67N	=78B	=14N	+45B	−10N	−20B	−38N	+62B	−28N	4.0	39.0	42.0	16.00	1804	-8.4
47	Piyush Khurana	1702	IND	−5B	+77N	+34B	−25N	+74B	+53N	−18B	−29N	−33N	4.0	39.0	42.0	15.00	1844	+31.0
48	Anoop P	1625	IND	−19N	−7B	+92N	F	+66B	+36N	−22B	−40B	+58N	4.0	36.0	36.0	13.50	1795	+32.8
49	Jayashree, P.K.	1795	IND	+95B	−32N	−8B	+52N	−35B	−75N	+65B	+64N	−38B	4.0	35.5	36.0	11.50	1658	-30.4
50	Owen, Garth ICM	1840	GCI	+77B	−17N	=61B	+66N	−14N	=38B	F	−42B	+67N	4.0	34.5	34.5	14.25	1765	-32.8
51	Shanmathi Sree SWCM	1839	IND	+92N	=14B	=78N	=24B	F	−18N	=54B	+61N	−21B	4.0	34.0	34.0	14.00	1847	+3.2
52	Akhmetov, Rail	1614	RUS	−45N	−15B	+64N	−49B	+85N	−40B	+72N	−30B	+81N	4.0	33.5	35.5	11.00	1698	+32.8
53	Nguyen, Truong Bao Tran	1916	VIE	+56N	=26B	=43N	−68B	+70N	−47B	F	+60N	−16B	4.0	33.5	33.5	15.25	1815	-22.4
54	Fan, Li Feng	1753	MAS	−11B	−65N	+77B	−59N	+86N	+83B	=51N	=33B	−27N	4.0	32.5	34.5	12.00	1688	-32.8
55	Bumbak, Jacob	1693	AUS	−78N	+64B	−19N	−35N	+82B	−70B	−58N	+88B	+73N	4.0	29.0	31.0	11.00	1678	-4.2
56	Osterhus, Omar Torbjorn	1650	DEN	−53B	+95N	−37B	=91N	−36B	−59N	+77B	+86N	=63B	4.0	27.5	28.0	8.00	1653	-0.2
57	Suravi Bhattacharya	1786	IND	−2B	+82N	+29B	−8N	=32B	−69N	+67B	−31N	F	3.5	39.0	41.5	13.50	1779	-7.2
58	Siridanupath, Gavin	1744	THA	−12B	+76N	−41B	=65N	+84B	−24N	+55B	−35N	−48B	3.5	35.0	37.5	11.25	1691	-32.0
59	Stepanov, Nikita Andr.	1475	RUS	−89N	+62B	−42N	+54B	−19N	+56B	=40N	−44B	F	3.5	34.5	36.5	14.00	1718	+86.8
60	Lim, Kian Guan	1777	MAS	−1N	F	+76B	+82N	−27B	+81N	=31B	−53B	F	3.5	33.5	36.0	10.50	1816	+5.8
61	Hasnul, Hashim	1674	BRU	−24N	+67B	=50N	−13B	=45N	+89B	F	−51B	=74N	3.5	32.0	32.0	11.25	1784	+21.0
62	Noel, Nicolas	1673	FRA	−25B	−59N	+95B	−29N	+64B	−31N	+76B	−46N	=80B	3.5	31.5	32.0	8.25	1611	-16.8
63	Ferreira, PauloCM	1940	POR	=83B	=79N	−71B	+81N	−37B	F	−21N	+84B	=56N	3.5	28.0	28.0	9.75	1637	-60.0
64	Rangkaew, Katunchalee	1554	THA	−13N	−55N	−52B	+97B	−62N	+87B	+93N	−49B	=65N	3.5	28.0	28.0	4.75	1576	+3.8
65	Liukasemsarn, Pakornnarong	1579	THA	−74N	+54B	−70N	=58B	−44N	=86B	−49N	+87N	=64B	3.5	27.5	29.5	10.50	1652	+23.3
66	Tan, Jing Kai Bryce	1706	SGP	−6N	=86B	+73N	−50B	−48N	−67B	F	+92N	+76B	3.5	27.5	27.5	8.50	1611	-22.4
67	Kabir Sayhan	1539	IND	−46B	−61N	−82B	=77N	+97B	+66N	−57N	+85B	−50B	3.5	26.0	26.0	7.00	1609	+27.6
68	Menkinoski, RisteFM	2251	MKD	=90B	+83N	F	+53N	−25B	+39B	−20N	F	F	3.5	24.0	24.0	12.50	1942	-37.8
69	Gupta R K	1498	IND	−37B	+75N	F	+44B	−33N	+57B	−19N	−26B	−79N	3.0	34.5	34.5	11.00	1705	+36.0
70	Nambiar, Vivek	1831	IND	+88B	−18N	+65B	−12N	−53B	+55N	−16B	F	F	3.0	31.0	31.0	9.50	1761	-14.2
71	Opasiak, Dustin Tennessee	1701	POL	−14N	+92B	+63N	F	−22B	−32N	F	−28B	+72N	3.0	29.5	29.5	8.00	1731	+2.0
72	Uapongkitikul, Pavatt	1463	THA	−40B	=81N	−36B	=87B	+96N	−34N	−52B	+82N	−71B	3.0	29.0	29.5	5.25	1575	+43.2
73	Li, Qianwen	1416	CHN	−39B	=96N	−66B	=88N	+77B	−16N	+82B	−83N	−55B	3.0	28.5	29.0	6.75	1535	+45.6
74	Tuorila, Kai	1862	THA	+65B	F	−28N	=42B	−47N	F	+80B	−36N	=61B	3.0	28.0	28.0	10.00	1623	-44.0
75	Peng, Shiyang	1654	CHN	−31N	−69B	+97N	=40B	=89N	+49B	F	−37B	F	3.0	27.5	27.5	7.50	1701	+10.8
76	Lisin, Maksim	1572	RUS	−33N	−58B	−60N	+92B	+87N	−43B	−62N	+95B	−66N	3.0	27.0	27.5	4.00	1561	-6.8
77	Sheridan, Wallace	1569	AUS	−50N	−47B	−54N	=67B	−73N	+95B	−56N	+93B	=88N	3.0	25.5	26.0	4.25	1461	-27.0
78	Langreck, John	2030	USA	+55B	=46N	=51B	+37N	−11B	F	F	F	F	3.0	23.0	23.0	13.00	1965	-6.8
79	Frost, Peter	1739	AUS	F	=63B	F	=27N	F	=45B	F	=80N	+69B	3.0	18.5	18.5	10.75	1835	+13.6
80	Megha Patra	1630	IND	−32B	F	=13N	+89B	−23N	−44B	−74N	=79B	=62N	2.5	33.5	35.5	8.25	1671	+14.4
81	Farbood, Ali	1646	AUS	−30N	=72B	+87N	−63B	=40N	−60B	=84N	−45B	−52B	2.5	31.0	33.0	7.25	1572	-19.6
82	Bhogirath Halder	1603	IND	−23N	−57B	+67N	−60B	−55N	+93B	−73N	−72B	=95N	2.5	26.5	27.0	4.75	1433	-41.4
83	Lim, Kian Hwa	1670	MAS	=63N	−68B	F	−34N	+88B	−54N	F	+73B	−45N	2.5	25.5	25.5	6.75	1673	-2.6
84	Kuich, Gero	1575	SUI	=22B	F	=89N	−39B	−58N	F	=81B	−63N	+86B	2.5	24.0	24.0	7.00	1667	+12.8
85	Shweta	1607	IND	−29B	=36N	=35B	−16N	−52B	F	F	−67N	+87B	2.0	30.5	30.5	7.00	1573	-8.2
86	Langendoen, Aad	1570	NED	−34B	=66N	−22B	+93N	−54B	=65N	F	−56B	−84N	2.0	29.0	29.0	4.50	1483	-19.0
87	Rijmenants, Jan	1687	BEL	−18B	=88N	−81B	=72N	−76B	−64N	+95N	−65B	−85N	2.0	25.0	25.5	3.00	1376	-144.4
88	Meenakshi Mehra	1527	IND	−70N	=87B	−38N	=73B	−83N	=92B	F	−55N	=77B	2.0	24.0	24.0	4.75	1441	-18.0
89	Wismeijer, Jeroen	1829	NED	+59B	−25N	=84B	−80N	=75B	−61N	F	F	F	2.0	20.0	20.0	6.25	1535	-44.8
90	Krishtopov, Konstantin	1746	RUS	=68N	F	F	+96B	F	=21B	F	F	F	2.0	9.5	9.5	5.00	1926	+12.0
91	Harahap, Jafaruddin	1788	INA	+7N	−20B	−15N	=56B	F	F	F	F	F	1.5	22.0	22.0	8.50	1892	+11.6
92	Tuorila, Nina	1565	THA	−51B	−71N	−48B	−76N	F	=88N	F	−66B	+93N	1.5	20.5	20.5	2.00	1401	-28.2
93	Shakhin, Alexey	1446	CZE	−26N	F	−94B	−86B	+95N	−82N	−64B	−77N	−92B	1.0	19.0	19.0	0.50	1275	-59.6
94	Cuizon, Richily Evans	1706	PHI	−17B	F	+93N	−33B	−38N	F	F	F	F	1.0	16.5	16.5	1.00	1569	-32.0
95	Deepak Raju K	1403	IND	−49N	−56B	−62N	F	−93B	−77N	−87B	−76N	=82B	0.5	23.0	23.0	1.25	1180	-26.8
96	Legge, Terence	1633	ENG	−20N	=73B	F	−90N	−72B	F	F	F	F	0.5	13.5	13.5	1.50	1307	-30.6
97	Lehmann, Peter	1584	SUI	−41B	−16N	−75B	−64N	−67N	F	F	F	F	0.0	20.5	20.5	0.00	871	-39.0
98	Chernyavsky, AlexanderFM	2332	RUS	−43N	F	F	F	F	F	F	F	F	0.0	4.5	4.5	0.00	1132	-18.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Zheng, LeranCHN
+140.8
5.5 pts · #18
2Zhang, ZhiruiCHN
+114.4
5.0 pts · #36
3Song, YuzhenCHN
+91.6
5.0 pts · #33

Top rating losers

1Rijmenants, JanBEL
-144.4
2.0 pts · #88
2Ferreira, PauloCMPOR
-60.0
3.5 pts · #64
3Shakhin, AlexeyCZE
-59.6
1.0 pts · #94

Biggest upsets

R1+617 Elo gap
Harahap, Jafaruddin1788 beat GMNguyen, Duc Hoa2405
R1+562 Elo gap
Burman, Ray Pritish1770 beat FMChernyavsky, Alexander2332
R2+396 Elo gap
WCMNithyalakshmi, Sivanesan1872 beat FMSaragih, Arif Rahman2268