Brussels Open Fall 2025 Rounds 11-12

Open SwissStandard

78 players participated in this 2-round tournament, held from 01 Dec 2025 to 08 Dec 2025 in Brussels, Belgium. 4 titled players from 8 federations. Top 10 Elo average was 2050, and top seed was Arman Sarkisian (🇧🇪 BEL, CM, 2194).

An Dinh Minh (🇻🇳 VIE, CM, 2159) won with 2.0/2, ahead of David Venet (2.0) and Simonne Peeters (2.0). Minh shared the lead from round 1, winning on tie-break.

The biggest upset came in round 2: Pham Cong Hieu (1652) beat Marc Chung Choong Lon (1823), a +171-point gap.

Location

🇧🇪Brussels, Belgium

Dates

01 Dec 2025 → 08 Dec 2025

Time control

Standard: 90 minutes for game with 30 seconds delay from move 1

System

Swiss · 2 rounds

Top seed

🇧🇪CMArman Sarkisian2194

Avg top 10

2,050

Participants

Titled players · 4

CM×4

Federations · 8 represented

🇧🇪Belgium×68

🇻🇳Vietnam×2

🇮🇹Italy×1

🇬🇷Greece×1

🇲🇦Morocco×1

🇫🇷France×1

🇵🇱Poland×1

🇩🇪Germany×1

Top 3

🥇
CMAn Dinh Minh
🇻🇳VIE·2159
2.0pts·2704perf+14.8
🥈
David Venet
🇧🇪BEL·2046
2.0pts·2719perf+13.2
🥉
Simonne Peeters
🇧🇪BEL·1691
2.0pts·2354perf+12.4

Grille américaine

#	Player	Elo	Fed	R1	R2	Pts	Bu C1	Bu	SB	Perf	Δ
1	An Dinh MinhCM	2159	VIE	+19N	+20N	2.0	1.0	2.0	2.00	2704	+14.8
2	Venet, David	2046	BEL	+50B	+21N	2.0	1.0	1.5	1.50	2719	+13.2
3	Peeters, Simonne	1691	BEL	+25N	+59B	2.0	1.0	1.0	1.00	2354	+12.4
4	Lombart, Philippe	1801	BEL	+60N	+26B	2.0	1.0	1.0	1.00	2487	+14.6
5	Pham Cong Hieu	1652	VIE	+61N	+23B	2.0	1.0	1.0	1.00	2560	+51.2
6	Brunet, David	1691	BEL	+24B	+63N	2.0	1.0	1.0	1.00	2413	+15.6
7	Sarkisian, ArmanCM	2194	BEL	+58N	+18B	2.0	1.0	1.0	1.00	2701	+6.6
8	Declerck, Olivier	1728	BEL	+66N	+22B	2.0	1.0	1.0	1.00	2365	+11.4
9	Tang, Ningmeng	1657	BEL	+59B	+49N	2.0	0.5	0.5	0.50	2431	+37.2
10	Toledo, HillelCM	2065	BEL	+68B	+58B	2.0	0.0	0.0	0.00	2622	+18.4
11	Champy, Louis	0	BEL	+62B	+65B	2.0	0.0	0.0	0.00	1576	0.0
12	Stockelynck, Alexander	1437	BEL	+64N	+67B	2.0	0.0	0.0	0.00	2228	+19.6
13	Ronse, Ivan	2061	BEL	=27N	+28B	1.5	1.0	2.0	1.50	2091	+1.6
14	Ranucci, Marcello	1884	ITA	=52B	+29N	1.5	1.0	1.5	1.25	1844	-1.6
15	Cuyvers, Jens	1908	BEL	+69N	=27B	1.5	1.0	1.0	0.50	2077	+17.6
16	Rando, Manuel	1662	BEL	=49B	+51B	1.5	0.5	1.0	0.75	1813	+7.6
17	Herman, Luc	1727	BEL	=51N	+60B	1.5	0.5	0.5	0.25	1727	0.0
18	Tahari, Youcef Nazim	1823	BEL	+32B	−7N	1.0	2.0	3.0	1.00	1961	+5.4
19	Macai, Ioan	1886	BEL	−1B	+37N	1.0	2.0	3.0	1.00	2074	+9.4
20	Dethy, David	1922	BEL	+33N	−1B	1.0	2.0	3.0	1.00	1985	+3.0
21	Brunet Vrijens, Leo	1903	BEL	+30N	−2B	1.0	2.0	3.0	1.00	2028	+6.6
22	Birg, Raphael	1570	BEL	+65N	−8N	1.0	2.0	2.0	0.00	1626	+5.6
23	Chung Choong Lon, Marc	1823	BEL	+77N	−5N	1.0	2.0	2.0	0.00	1665	-9.0
24	Marchand, Pierre	1610	BEL	−6N	+66B	1.0	2.0	2.0	0.00	1626	+1.6
25	Van Merris, Francois	1553	BEL	−3B	+70N	1.0	2.0	2.0	0.00	1625	+4.0
26	Garcia-Almuzara Hernandez, Jaime	1837	BEL	+71B	−4N	1.0	2.0	2.0	0.00	1659	-16.8
27	Drugmand, Benoit	1955	BEL	=13B	=15N	1.0	1.5	3.0	1.50	1985	+2.8
28	Bastiaens, Lionel	1840	BEL	+34B	−13N	1.0	1.5	2.5	1.00	1864	+2.0
29	Toledo, Samuel	1641	BEL	+54N	−14B	1.0	1.5	2.0	0.50	1721	+3.8
30	Grobli-Casimir, Davy	2009	BEL	−21B	+35N	1.0	1.0	2.0	1.00	1872	-7.2
31	Siebert, Xavier	1825	BEL	+36N	−32B	1.0	1.0	2.0	1.00	1760	-3.6
32	Mechkor, Mohamed	1729	BEL	−18N	+31N	1.0	1.0	2.0	1.00	1824	+5.2
33	Szajnicki, Dawid	1810	POL	−20B	+55N	1.0	1.0	1.5	0.50	1828	+0.8
34	ALLAMAAKCHAOUI AYOUB	1667	MAR	−28N	+71N	1.0	1.0	1.0	0.00	1678	+0.6
35	Onrubia-Aviles, Carlos	1839	BEL	+63N	−30B	1.0	1.0	1.0	0.00	1812	-1.2
36	Pepermans, Jelle	1790	BEL	−31B	+76N	1.0	1.0	1.0	0.00	1747	-2.4
37	Ahmetaj, Rasim	1990	BEL	+74N	−19B	1.0	1.0	1.0	0.00	1850	-7.4
38	Leemans, Roland	2040	BEL	+56B	F	1.0	0.5	0.5	0.50	2592	+3.8
39	Dufrasne, Lucas	1769	BEL	+53N	F	1.0	0.5	0.5	0.50	2219	+2.2
40	San Lorenzo, Nordine	1757	BEL	+72B	F	1.0	0.0	0.0	0.00	2234	+2.6
41	Del Riego Sanchez, Rafael	1792	BEL	+75N	F	1.0	0.0	0.0	0.00	2344	+3.8
42	Daramelas, Nicolas	0	GRE	+70B	F	1.0	0.0	0.0	0.00	1578	0.0
43	Watelet, Sylvain	1949	BEL	F	+62N	1.0	0.0	0.0	0.00	2349	+1.6
44	Czuczai, Jeno Dr.CM	1931	HUN	F	+61N	1.0	0.0	0.0	0.00	2481	+3.8
45	Maquoi, Sophie	1550	BEL	+73N	F	1.0	0.0	0.0	0.00	2583	+15.8
46	De La Batut, Benoit	0	BEL	+?B	−?B	1.0	0.0	0.0	0.00	1052	0.0
47	Joye, Antonin	0	BEL	−?N	+64B	1.0	0.0	0.0	0.00	928	0.0
48	Stoyanofski, Louka	0	BEL	+?B	−?B	1.0	0.0	0.0	0.00	1025	0.0
49	Stoyanofski, Alexandre	1708	BEL	=16N	−9B	0.5	2.0	3.5	0.75	1467	-25.2
50	Grodent, Gerald	1937	BEL	−2N	=56N	0.5	2.0	2.5	0.25	1726	-10.8
51	Travers, Sylvain	1532	BEL	=17B	−16N	0.5	1.5	3.0	0.75	1502	-1.4
52	Palazoski, Elvir	1660	BEL	=14N	F	0.5	1.5	1.5	0.75	1884	+5.6
53	Simon, Fernand	1425	BEL	−39B	=54N	0.5	1.0	1.5	0.25	1471	+1.6
54	Castiau, Julien	1558	BEL	−29B	=53B	0.5	1.0	1.5	0.25	1337	-11.6
55	Focant, Bastien	1733	BEL	=57N	−33B	0.5	1.0	1.5	0.25	1627	-10.4
56	Bertrand, Abel	1792	BEL	−38N	=50B	0.5	1.0	1.5	0.25	1794	0.0
57	Brion, Philippe	1830	BEL	=55B	F	0.5	0.5	0.5	0.25	1733	-2.6
58	Dessomme, Francois	1979	BEL	−7B	−10N	0.0	2.0	4.0	0.00	1329	-12.2
59	Merali, Kaim	1554	BEL	−9N	−3N	0.0	2.0	4.0	0.00	875	-26.8
60	Desadeleer, Geoffrey	1536	BEL	−4B	−17N	0.0	2.0	3.5	0.00	965	-8.6
61	Remon, Serge	1681	BEL	−5B	−44B	0.0	2.0	3.0	0.00	991	-14.6
62	Gatta, Bruno	1542	BEL	−11N	−43B	0.0	2.0	3.0	0.00	1148	-1.6
63	Tombroff, Cesar	1615	BEL	−35B	−6B	0.0	2.0	3.0	0.00	966	-24.4
64	Du, Deyi	0	BEL	−12B	−47N	0.0	2.0	3.0	0.00	637	0.0
65	Dimitrakopoulos, Athanasios	1524	BEL	−22B	−11N	0.0	2.0	3.0	0.00	770	-8.6
66	Defays, Alain	1561	BEL	−8B	−24N	0.0	2.0	3.0	0.00	870	-14.2
67	Kacar, Lea	1428	BEL	F	−12N	0.0	2.0	2.0	0.00	637	-19.6
68	Ahmed El Gamal, Younes	1655	BEL	−10N	F	0.0	2.0	2.0	0.00	1255	-3.2
69	Rittelmeyer, Yann-Sven	1812	FRA	−15B	F	0.0	1.5	1.5	0.00	1108	-7.4
70	Aron, Frederic	1559	BEL	−42N	−25B	0.0	1.0	2.0	0.00	753	-20.4
71	Heynsmans, Michel	1517	BEL	−26N	−34B	0.0	1.0	2.0	0.00	952	-8.6
72	Venet, Dorian	1434	BEL	−40N	F	0.0	1.0	1.0	0.00	957	-5.2
73	Neumark, Leonie	1696	GER	−45B	F	0.0	1.0	1.0	0.00	749	-31.6
74	Haulotte, Francois	1813	BEL	−37B	F	0.0	1.0	1.0	0.00	1189	-5.4
75	Alvarez Barrera, Raul	1545	BEL	−41B	F	0.0	1.0	1.0	0.00	992	-3.8
76	Van De Craen, Piet	1669	BEL	F	−36B	0.0	1.0	1.0	0.00	991	-6.6
77	Pamukcu, Leo	1679	BEL	−23B	F	0.0	1.0	1.0	0.00	1039	-11.6
78	FIDE 548004006	0	—	−?B	−?N	0.0	0.0	0.0	0.00	975	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Pham Cong HieuVIE
+51.2
2.0 pts · #5
2Tang, NingmengBEL
+37.2
2.0 pts · #3
3Stockelynck, AlexanderBEL
+19.6
2.0 pts · #27

Top rating losers

1Neumark, LeonieGER
-31.6
0.0 pts · #63
2Merali, KaimBEL
-26.8
0.0 pts · #77
3Stoyanofski, AlexandreBEL
-25.2
0.5 pts · #51

Biggest upsets

R2+171 Elo gap
Pham Cong Hieu1652 beat Chung Choong Lon, Marc1823
R1+146 Elo gap
Maquoi, Sophie1550 beat Neumark, Leonie1696
R1+106 Elo gap
Brunet Vrijens, Leo1903 beat Grobli-Casimir, Davy2009