2025 South Wales International Open

SwissStandard

72 players participated in this 9-round tournament, held from 04 Jul 2025 to 09 Jul 2025 in Bridgend, Wales. 17 titled players from 5 federations. Top 10 Elo average was 2283, and top seed was Daniel W Gormally (🇬🇧 ENG, GM, 2435).

Aaravamudhan Balaji (🇬🇧 ENG, IM, 2351) won with 8.0/9, ahead of Koby Kalavannan (7.0) and Daniel W Gormally (6.5). Balaji won solo starting round 4.

The biggest upset came in round 1: Matthew R Wilson (1759) beat Adithya Vaidyanathan (FM, 2094), a +335-point gap.

Location

🇬🇧Bridgend, Wales

Dates

04 Jul 2025 → 09 Jul 2025

Time control

Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1

System

Swiss · 9 rounds

Top seed

🇬🇧GMDaniel W Gormally2435

Avg top 10

2,283

Participants

Titled players · 17

GM×2

IM×4

FM×5

CM×4

WFM×2

Federations · 5 represented

🇬🇧Wales×39

🇬🇧England×30

🇬🇬Guernsey×1

🇮🇳India×1

🇺🇦Ukraine×1

Top 3

🥇
IMAaravamudhan Balaji
🇬🇧ENG·2351
8.0pts·2531perf+35.4
🥈
FMKoby Kalavannan
🇬🇧ENG·2329
7.0pts·2274perf-6.2
🥉
GMDaniel W Gormally
🇬🇧ENG·2435
6.5pts·2363perf-4.6

How it unfolded

Top 6 · 9 rounds

IM Aaravamudhan Balaji led from R4; +1.0-point edge over the runner-up.

Co-leaders

Balaji8Kalavannan7Gormally6.5Rudd6.5Boswell6.5Wells6

R4–R9 · LEAD HELD

IM Aaravamudhan Balaji never relinquished the lead after R4; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

IM Aaravamudhan Balaji beat FM Koby Kalavannan (White).

WIN STREAKS · 3 top finishers

IM Aaravamudhan Balaji 4+3 wins (R1–R4, R6–R8)FM Koby Kalavannan 3 wins (R7–R9)GM Daniel W Gormally 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMAaravamudhan Balaji	*	1	½	1
2FMKoby Kalavannan	0	*	—	—
3GMDaniel W Gormally	½	—	*	½
4IMJack Rudd	0	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Balaji, AaravamudhanIM	2351	ENG	+17N	+35B	+11N	+4B	=3N	+2B	+8N	+5B	=13N	8.0	48.0	52.0	46.00	2531	+35.4
2	Kalavannan, KobyFM	2329	ENG	+25B	=34N	+21B	=36N	+6B	−1N	+9B	+8B	+15N	7.0	43.5	47.5	35.50	2274	-6.2
3	Gormally, Daniel WGM	2435	ENG	=9B	+23N	+28B	+12N	=1B	=4N	+7B	=13B	=5N	6.5	48.0	52.5	36.50	2363	-4.6
4	Rudd, JackIM	2247	ENG	+32N	+19B	+6N	−1N	+24B	=3B	−5N	+40B	+16N	6.5	46.5	50.5	32.75	2280	+11.8
5	Boswell, Jacob Connor	2252	ENG	+58B	=21N	+27B	=24N	+12B	+10N	+4B	−1N	=3B	6.5	45.5	48.5	32.75	2263	+8.4
6	Honey, Luke Anthony	2053	ENG	+44B	+46N	−4B	+57N	−2N	+17B	+10B	=16N	=7B	6.0	43.5	46.5	27.25	2170	+29.0
7	Wells, Peter KGM	2351	ENG	+37B	=22N	+34B	=10N	=18B	+53N	−3N	+42B	=6N	6.0	39.5	43.0	26.00	2222	-11.5
8	Waddington, Mike PFM	1982	ENG	+39N	+20B	=10B	=13N	+36B	+14N	−1B	−2N	=9B	5.5	46.0	50.0	26.75	2214	+52.0
9	Davis, Cameron	1897	ENG	=3N	−36B	+51N	=23B	+32N	+35B	−2N	+22B	=8N	5.5	40.5	44.0	24.75	2107	+46.6
10	Crawford, Owen	2124	ENG	+56N	+30B	=8N	=7B	+35N	−5B	−6N	+36B	=42N	5.5	40.5	44.0	23.75	2143	+6.2
11	Burrows, Martin P	2057	ENG	+49N	+33B	−1B	=17N	−14B	=29N	+26N	=54B	+25N	5.5	40.0	43.5	23.50	2051	+0.2
12	Menadue, Jeremy F S	1945	ENG	+38N	+42B	+18N	−3B	−5N	−40B	=22N	+50B	+21N	5.5	39.0	42.5	23.25	2123	+40.8
13	Camacho Collados, JoseIM	2362	WLS	+29N	F	+22B	=8B	F	+18N	+28B	=3N	=1B	5.5	38.5	38.5	28.50	2366	+2.3
14	Stubbs, OliverCM	2208	ENG	F	+31B	−41N	+30B	+11N	−8B	=23N	+19B	+17N	5.5	38.5	38.5	26.75	2114	-16.8
15	Bullen, AlexCM	2114	WLS	+60B	=27N	−24B	+33N	+34B	−36N	+31B	+28N	−2B	5.5	37.5	40.5	22.75	2095	-2.2
16	Vaidyanathan, AdithyaFM	2094	ENG	−63N	+51B	=38N	+60B	=41N	+26B	+25N	=6B	−4B	5.5	36.0	38.5	22.50	1988	-32.3
17	Vaidyanathan, Sathya	1878	ENG	−1B	+62N	+71N	=11B	=21B	−6N	+34B	+53N	−14B	5.0	39.5	39.5	15.00	2053	+58.5
18	Avadhoot Lokesh Bhakti Brahme	2083	IND	+43B	+26N	−12B	+54N	=7N	−13B	=24N	=25B	=30N	5.0	39.0	42.5	21.75	2055	-15.2
19	Roberts, David L	1988	ENG	+72B	−4N	+43B	−53N	+45B	−25N	+29B	−14N	+46B	5.0	36.5	36.5	16.50	1982	-0.6
20	Badacsonyi, FrankieFM	2170	ENG	+45B	−8N	F	F	F	+52B	+30N	+24B	+23N	5.0	26.5	26.5	21.00	2187	+4.0
21	Fowler, Hugo	1989	WLS	+48N	=5B	−2N	=63B	=17N	−54B	+49N	+31N	−12B	4.5	39.5	42.0	19.00	1933	-13.6
22	Marusenko, PetrIM	2037	UKR	+62B	=7B	−13N	+27N	−28B	=33N	=12B	−9N	+63B	4.5	38.5	41.0	17.50	2003	-8.8
23	Gomez, Daniel	2009	ENG	F	−3B	+39N	=9N	+58B	=37N	=14B	+27N	−20B	4.5	38.0	38.0	19.00	2045	+7.8
24	Hill, Andy	1962	ENG	+68N	=28B	+15N	=5B	−4N	F	=18B	−20N	+60B	4.5	37.5	37.5	18.00	2084	+27.0
25	Thomas, Mark	1876	WLS	−2N	−66B	+69N	+49B	+52N	+19B	−16B	=18N	−11B	4.5	37.0	38.5	16.00	1920	+8.4
26	Mokhber-Garcia, Sebastian	1962	ENG	+59B	−18B	+49N	=40N	=42B	−16N	−11B	+45N	=27B	4.5	36.0	39.0	16.75	1930	-8.8
27	Hewitt, William	1972	WLS	+55N	=15B	−5N	−22B	=67B	+57N	+38N	−23B	=26N	4.5	36.0	38.0	16.50	1906	-12.6
28	Dasgupta, AvyuktCM	2103	ENG	+50B	=24N	−3N	+66B	+22N	+47B	−13N	−15B	F	4.5	36.0	36.0	16.25	2099	+4.0
29	Waterfield, Mark	1890	ENG	−13B	+44N	−59B	+43N	F	=11B	−19N	+51B	+35N	4.5	34.5	34.5	18.25	1927	+7.8
30	Fathallah, Joe	1979	WLS	+61B	−10N	F	−14N	+57B	+63N	−20B	+37N	=18B	4.5	33.0	33.0	14.50	1996	+5.8
31	Van Kemenade, Rudy	1926	WLS	+71B	−14N	−57B	+50N	+59B	=34N	−15N	−21B	+38N	4.5	33.0	33.0	12.50	1859	-14.0
32	Kong, Emma Zihan	1797	WLS	−4B	+72N	−40B	+61N	−9B	+62N	=41N	−33B	+52N	4.5	33.0	33.0	10.50	1867	+28.0
33	Hariharan, ShambaviWFM	1936	ENG	+67B	−11N	F	−15B	+64N	=22B	=35N	+32N	=47B	4.5	32.5	32.5	15.25	1966	+16.9
34	Duke, Dillan	2026	ENG	+66N	=2B	−7N	+38B	−15N	=31B	−17N	+56B	F	4.0	39.0	41.0	15.25	1987	-8.8
35	Jukes, Sam	2002	WLS	+65B	−1N	+50B	+59N	−10B	−9N	=33B	=46N	−29B	4.0	38.5	40.5	12.75	1867	-29.8
36	Smith, OliviaWFM	2110	WLS	F	+9N	+63B	=2B	−8N	+15B	=40N	−10N	F	4.0	35.5	35.5	19.00	2085	-2.6
37	Robinson, David	1888	WLS	−7N	−49B	+48N	+39B	+66N	=23B	−47N	−30B	=50N	4.0	34.0	36.0	14.00	1829	-15.2
38	Tuson, Jon	1822	WLS	−12B	+65N	=16B	−34N	=70B	+44N	−27B	+57N	−31B	4.0	33.0	34.5	12.50	1846	+3.4
39	Hurn, Robert AJ	1656	WLS	−8B	+45N	−23B	−37N	+43B	−50N	=44B	=61N	+57B	4.0	32.5	35.0	14.25	1765	+23.2
40	Byron, Alan M	2040	ENG	=51N	=54B	+32N	=26B	F	+12N	=36B	−4N	F	4.0	32.0	32.0	17.75	2007	-4.2
41	Gibbs, Dominic V	1968	ENG	+69B	=53N	+14B	−47N	=16B	−42N	=32B	=60N	F	4.0	31.5	31.5	15.25	1967	+1.2
42	Arnott, Jonathan WCM	2059	ENG	+57B	−12N	+58B	F	=26N	+41B	F	−7N	=10B	4.0	31.5	31.5	15.00	2036	-2.8
43	Hannigan, Jack	1745	WLS	−18N	+68B	−19N	−29B	−39N	+55B	=65B	=44N	+61B	4.0	30.5	32.0	10.50	1727	-12.8
44	Williams, Ron	1716	WLS	−6N	−29B	−67N	+68B	+55N	−38B	=39N	=43B	+70N	4.0	29.5	31.0	10.50	1654	-16.0
45	Di-Vetta, Andrew	1784	WLS	−20N	−39B	+68N	+71B	−19N	−51B	+62N	−26B	+49N	4.0	29.5	29.5	7.50	1725	-16.4
46	Binks, Michael	1934	WLS	+70N	−6B	−66N	−52B	=65N	+64B	+51N	=35B	−19N	4.0	28.5	30.0	10.50	1745	-40.2
47	Kett, TimFM	2075	WLS	+52N	F	=53B	+41B	F	−28N	+37B	F	=33N	4.0	24.0	24.0	15.50	2081	+2.4
48	Williams, John A	1665	WLS	−21B	−58N	−37B	+72N	−50B	+71N	−57B	+69N	+64N	4.0	22.0	22.0	4.00	1693	+3.0
49	Archibald,Mckenzie	1718	WLS	−11B	+37N	−26B	−25N	+61B	=58N	−21B	+65N	−45B	3.5	32.5	34.5	10.00	1778	+10.8
50	Chantrell, Paul	1761	ENG	−28N	+69B	−35N	−31B	+48N	+39B	F	−12N	=37B	3.5	32.0	32.0	11.50	1808	+7.2
51	Woozeer, Seth	1711	ENG	=40B	−16N	−9B	F	+69N	+45N	−46B	−29N	+58B	3.5	32.0	32.0	10.50	1842	+41.8
52	Jones, Steve	1737	WLS	−47B	−59N	+72B	+46N	−25B	−20N	+61B	=58N	−32B	3.5	30.5	30.5	8.00	1755	-0.2
53	Brown, Thomas	2104	WLS	+64N	=41B	=47N	+19B	F	−7B	=54N	−17B	F	3.5	30.0	30.0	13.25	1993	-19.6
54	Moyse, Nigel John	1923	WLS	F	=40N	+61B	−18B	F	+21N	=53B	=11N	F	3.5	29.0	29.0	13.50	2045	+21.2
55	Peters, Chris	1653	WLS	−27B	=60N	=64B	−58N	−44B	−43N	+68N	+62B	=56N	3.5	27.0	28.5	8.50	1682	+10.8
56	Sharhorodsky, Yaroslav	1778	WLS	−10B	−61N	=62B	−70N	+68B	=65N	+59B	−34N	=55B	3.5	24.5	26.0	8.50	1708	-35.2
57	McKenna, Joshua	1733	WLS	−42N	+67B	+31N	−6B	−30N	−27B	+48N	−38B	−39N	3.0	35.5	37.5	10.50	1726	-4.8
58	Thomas, Roy	1816	WLS	−5N	+48B	−42N	+55B	−23N	=49B	−63N	=52B	−51N	3.0	33.0	35.5	11.00	1711	-28.2
59	Richards, Gareth	1560	WLS	−26N	+52B	+29N	−35B	−31N	−60B	−56N	−64B	+65B	3.0	30.0	32.0	10.00	1707	+26.8
60	Wagner, Guy	1772	WLS	−15N	=55B	+70B	−16N	F	+59N	F	=41B	−24N	3.0	27.5	27.5	8.25	1767	-3.6
61	Llewellyn, Alan M	1656	WLS	−30N	+56B	−54N	−32B	−49N	+69B	−52N	=39B	−43N	2.5	31.0	32.5	7.00	1607	-13.4
62	Powell, Andrew	1705	WLS	−22N	−17B	=56N	=65B	+71N	−32B	−45B	−55N	=68B	2.5	28.5	28.5	3.50	1525	-71.6
63	Wilson, Matthew R	1759	ENG	+16B	F	−36N	=21N	F	−30B	+58B	F	−22N	2.5	26.0	26.0	10.75	1947	+25.0
64	McGrath, Ethan	1766	WLS	−53B	F	=55N	=67N	−33B	−46N	=69B	+59N	−48B	2.5	26.0	26.0	6.50	1609	-68.4
65	Probert, Malcolm	1697	WLS	−35N	−38B	F	=62N	=46B	=56B	=43N	−49B	−59N	2.0	28.5	28.5	7.00	1590	-22.6
66	Richards, Joshua	1700	WLS	−34B	+25N	+46B	−28N	−37B	F	F	F	F	2.0	21.0	21.0	8.50	1893	+21.0
67	Zheng, Lucas	1523	WLS	−33N	−57N	+44B	=64B	=27N	F	F	F	F	2.0	18.5	18.5	7.50	1740	+46.4
68	Flanagan, Keith	1587	GCI	−24B	−43N	−45B	−44N	−56N	F	−55B	+71B	=62N	1.5	26.0	26.0	1.25	1341	-29.2
69	Emblem, Mark	1625	WLS	−41N	−50N	−25B	F	−51B	−61N	=64N	−48B	+71B	1.5	24.5	24.5	1.25	1350	-34.4
70	Sarwar, Adam	0	WLS	−46B	F	−60N	+56B	=38N	F	F	F	−44B	1.5	18.5	18.5	5.50	1655	0.0
71	Are, Jai Hrithvik Adithya	0	WLS	−31N	F	−17B	−45N	−62B	−48B	F	−68N	−69N	0.0	23.0	23.0	0.00	939	0.0
72	Wilkins, Zack	1662	WLS	−19N	−32B	−52N	−48B	F	F	F	F	F	0.0	17.0	17.0	0.00	997	-27.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Vaidyanathan, SathyaENG
+58.5
5.0 pts · #40
2Waddington, Mike PFMENG
+52.0
5.5 pts · #15
3Davis, CameronENG
+46.6
5.5 pts · #14

Top rating losers

1Powell, AndrewWLS
-71.6
2.5 pts · #68
2McGrath, EthanWLS
-68.4
2.5 pts · #61
3Binks, MichaelWLS
-40.2
4.0 pts · #57

Biggest upsets

R1+335 Elo gap
Wilson, Matthew R1759 beat FMVaidyanathan, Adithya2094
R3+330 Elo gap
Richards, Gareth1560 beat Waterfield, Mark1890
R3+240 Elo gap
Gibbs, Dominic V1968 beat CMStubbs, Oliver2208