Brasilia Chess Open STD 2026

SwissStandard

112 players participated in this 7-round tournament, held from 07 Jan 2026 to 11 Jan 2026 in Brasilia DF, Brazil. 10 titled players from 4 federations. Top 10 Elo average was 2289, and top seed was Jose Cubas (🇵🇾 PAR, GM, 2410).

Kaua Marques Silva (🇧🇷 BRA, FM, 2331) won with 6.0/7, ahead of Everaldo Matsuura (6.0) and Yago Labussiere (6.0). Silva won on tie-break after catching the field in the final round.

The biggest upset came in round 7: Leonardo Martins Tomazette (1825) beat Luigy Lira De Siqueira (FM, 2311), a +486-point gap.

Location

🇧🇷Brasilia DF, Brazil

Dates

07 Jan 2026 → 11 Jan 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇾GMJose Cubas2410

Avg top 10

2,289

Participants

112

Titled players · 10

GM×3

FM×6

WIM×1

Federations · 4 represented

🇧🇷Brazil×108

🇵🇾Paraguay×1

🇨🇺Cuba×1

🇧🇴Bolivia×1

Top 3

🥇
FMKaua Marques Silva
🇧🇷BRA·2331
6.0pts·2398perf+12.4
🥈
GMEveraldo Matsuura
🇧🇷BRA·2353
6.0pts·2466perf+9.4
🥉
Yago Labussiere
🇧🇷BRA·2159
6.0pts·2422perf+45.2

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 3 players tied at 6.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders

Silva6Matsuura6Labussiere6Campelo5.5Uczai5.5Haraguchi5.5

R7 · TIEBREAK CLUSTER

3 players finish on 6.0/7. Silva takes the title on Buchholz Cut1 (31.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

FM Kaua Marques Silva drew with GM Everaldo Matsuura (White).

WIN STREAKS · 3 top finishers

FM Kaua Marques Silva 4 wins (R1–R4)GM Everaldo Matsuura 4 wins (R1–R4)Yago Labussiere 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMKaua Marques Silva	*	½	½	—
2GMEveraldo Matsuura	½	*	—	—
3Yago Labussiere	½	—	*	—
4Leandro Fabricio Campelo	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Silva, Kaua MarquesFM	2331	BRA	+88B	+23N	+38B	+6N	=2B	=3N	+11B	6.0	31.0	33.0	27.00	2398	+12.4
2	Matsuura, EveraldoGM	2353	BRA	+70N	+33B	+21N	+8B	=1N	+16B	=4N	6.0	30.0	33.0	27.25	2466	+9.4
3	Labussiere, Yago	2159	BRA	+39B	+31N	+17B	=28N	+9B	=1B	+16N	6.0	28.5	32.5	27.50	2422	+45.2
4	Lima, DarcyGM	2378	BRA	+71B	+36N	+7B	=16N	+5B	=11N	=2B	5.5	30.5	33.5	25.75	2385	+1.9
5	Saiz Rodriguez, Daniel EvelioFM	2189	CUB	+63N	+15B	=14N	+25B	−4N	+47B	+20N	5.5	28.0	31.0	23.00	2154	-0.4
6	Tomazette, Leonardo Martins	1825	BRA	+108N	+12B	+46N	−1B	+29N	=10B	+28N	5.5	28.0	28.5	19.75	2358	+150.0
7	Campelo, Leandro Fabricio	2074	BRA	+51N	+22B	−4N	+33B	+19N	=20B	+30N	5.5	27.0	30.5	22.75	2130	+10.8
8	Haraguchi, Diego Sashaki	2187	BRA	+59B	+40N	+37B	−2N	+36B	=18N	+17B	5.5	27.0	30.5	22.25	2199	+10.0
9	Cubas, JoseGM	2410	PAR	+48N	+50B	+29N	=11B	−3N	+66B	+24N	5.5	26.5	29.5	21.00	2307	-5.7
10	Uczai, Joao Pedro Filimberti	2181	BRA	+77N	F	+48B	+31N	+54B	=6N	+18B	5.5	23.5	23.5	20.75	2246	+5.8
11	Cunha, Lucas AguiarFM	2263	BRA	+64B	+41N	+13B	=9N	+30B	=4B	−1N	5.0	30.0	33.0	21.50	2257	+7.2
12	Terao, Juliana SayumiFM	2215	BRA	+89B	−6N	+42B	+23N	=17B	=13N	+35B	5.0	27.5	29.5	19.25	1958	-26.8
13	Freitas, Ronan Cunha	1975	BRA	+62N	+68B	−11N	+22B	=47N	=12B	+34N	5.0	25.0	28.0	18.75	2069	+19.2
14	Soares, Rafael Tuma	1934	BRA	+109B	+43N	=5B	−30N	+52B	=28N	+32B	5.0	25.0	25.0	16.25	1986	+15.6
15	Damasceno Martins, Carlos E Souza	1819	BRA	+102B	−5N	+79B	−18N	+95B	+36N	+37B	5.0	22.5	24.0	14.00	2015	+29.6
16	Lima, Stefan Moisei VIeiraFM	2249	BRA	+55N	+67B	+19N	=4B	+28B	−2N	−3B	4.5	29.5	32.5	17.75	2222	+1.6
17	Cristino, Felipe Borges	1938	BRA	+86N	+69B	−3N	+68B	=12N	+46B	−8N	4.5	26.0	28.5	14.50	2027	+20.4
18	Cruz, Natan Gomes	2021	BRA	−61N	+72B	+70N	+15B	+50N	=8B	−10N	4.5	25.5	28.5	17.25	1969	-3.2
19	Cordero, DanielaWIM	1941	BOL	+57B	+35N	−16B	+62N	−7B	+48N	=23B	4.5	25.5	28.5	16.25	1900	-2.8
20	Domingos, Vinicius Rodrigues	1766	BRA	+96N	−29B	+99N	+21B	+37B	=7N	−5B	4.5	25.5	27.0	14.75	2064	+69.2
21	Oliveira, Tiago Batista	2048	BRA	+85B	+58N	−2B	−20N	+64B	=26N	+52B	4.5	25.0	27.5	14.75	1911	-17.4
22	Campagnolo, Fabiola	1777	BRA	+93B	−7N	+35B	−13N	=62B	+75N	+49B	4.5	24.0	26.0	14.00	1806	+1.2
23	Souza, Atahander	1876	BRA	+94N	−1B	+63N	−12B	+53N	+88B	=19N	4.5	24.0	26.0	12.75	1968	+12.4
24	Garcia,Julio Cesar de Paiva	1976	BRA	+76B	+78N	−28B	=52N	+41B	+49N	−9B	4.5	23.5	26.0	14.75	2023	+9.4
25	Camilotti, Vicenzo Kuhn	1839	BRA	=42B	+100N	+49B	−5N	−46N	+65B	+56N	4.5	23.0	24.5	13.50	1989	+14.0
26	De Souza, Samuel B Ornelas	1782	BRA	−32N	+86B	+73N	−29B	+63N	=21B	+66N	4.5	21.5	24.0	13.75	2007	+29.0
27	Andrade, Rodrigo Alves De Campos	1806	BRA	=56N	+106B	−47N	−51B	+60N	+69B	+46N	4.5	20.5	21.5	12.75	1803	-0.8
28	De Siqueira, Luigy LiraFM	2311	BRA	+74N	+34B	+24N	=3B	−16N	=14B	−6B	4.0	29.5	32.5	17.00	2057	-36.8
29	Roland, Marcos Maldonado	2075	BRA	+52B	+20N	−9B	+26N	−6B	=31N	=41B	4.0	28.0	31.5	16.50	1919	-24.0
30	De Carvalho Machado, Fernando	1874	BRA	F	+60B	+53N	+14B	−11N	+38N	−7B	4.0	26.5	26.5	16.00	2067	+24.0
31	Goncalves Junior,Klebert R Machado	1790	BRA	+112N	−3B	+69N	−10B	+55N	=29B	=38B	4.0	26.0	26.0	10.50	1955	+21.0
32	Komeno, Vitor Keidi Figueiredo	0	BRA	+26B	=49N	−54B	+40N	=34N	+33B	−14N	4.0	25.0	28.5	16.25	1891	0.0
33	Da Silva, Fabio Campos	1885	BRA	+87B	−2N	+89B	−7N	+39B	−32N	+64B	4.0	25.0	27.0	11.50	1953	+8.0
34	Oliveira, Olavo Tadeu Carvalho	1874	BRA	+99B	−28N	+39B	=38N	=32B	+43N	−13B	4.0	25.0	26.5	13.50	1907	+1.6
35	De Morais, Felipe Rosa Borges	0	BRA	+45N	−19B	−22N	+84B	+68N	+50B	−12N	4.0	24.5	27.0	13.00	1921	0.0
36	De Souza, Paulo Goncalves	1909	BRA	+104N	−4B	+55N	+61B	−8N	−15B	+88N	4.0	24.5	26.0	10.00	1888	-10.4
37	Navarro, Luis Flavio Cunha	1956	BRA	+72N	+61B	−8N	+65B	−20N	+67B	−15N	4.0	24.0	27.0	12.00	1844	-17.0
38	De Miranda, Alexandre Pinto	2055	BRA	+79N	+65B	−1N	=34B	+81N	−30B	=31N	4.0	23.5	26.0	12.00	1922	-20.6
39	De Almeida, Olivan Duarte	1670	BRA	−3N	+44B	−34N	+91B	−33N	+92B	+67N	4.0	23.0	25.0	11.00	1722	+3.2
40	Siqueira, Eugenio Vilela	1818	BRA	+44N	−8B	−61N	−32B	+105N	+72B	+74N	4.0	22.5	23.5	11.00	1770	-6.4
41	Nascimento, Davi de Araujo	1832	BRA	+111N	−11B	=51N	+101B	−24N	+53B	=29N	4.0	22.0	22.0	8.75	1875	+4.4
42	Siqueira, Eduardo Tsuyoshi M	0	BRA	=25N	+81B	−12N	−66B	+89B	+71N	=54B	4.0	21.5	23.5	11.50	1891	0.0
43	De Carvalho, Tarcisio Carneiro	0	BRA	+84N	−14B	−65N	+82B	+70N	−34B	+68N	4.0	20.5	23.0	11.00	1824	0.0
44	Rodrigues, Nicolas Figueiredo	0	BRA	−40B	−39N	+109B	+79N	=71B	=59N	+77B	4.0	19.5	19.5	8.25	1691	0.0
45	Robinson, Malcolm	1912	BRA	−35B	−57N	=80B	+100N	+97B	+77N	=62B	4.0	17.5	19.0	8.75	1681	-19.6
46	Gazola, Andre Augusto	2069	BRA	=53B	+95N	−6B	+59N	+25B	−17N	−27B	3.5	26.0	28.0	11.75	1774	-47.0
47	Silveira, Rogerio Zanon da	1917	BRA	=60N	F	+27B	=54N	=13B	−5N	+58B	3.5	25.5	25.5	14.00	1991	+9.6
48	Sobral, Pedro De Figueiredo	1725	BRA	−9B	+105N	−10N	+72B	+61N	−19B	=55N	3.5	25.0	26.0	8.75	1788	+8.8
49	Felix, Raimundo Nascimento	1929	BRA	+73N	=32B	−25N	+96B	+51N	−24B	−22N	3.5	24.0	26.0	10.50	1619	-31.8
50	Reimberg, Arthur Bernardo	1918	BRA	+105B	−9N	+64B	+57N	−18B	−35N	=59B	3.5	24.0	25.0	9.25	1848	-17.6
51	E Silva, Bernardo Caio C	1654	BRA	−7B	+92N	=41B	+27N	−49B	−58N	+83B	3.5	23.5	25.5	11.00	1813	+42.0
52	Caixeta, Icaro Noe	1660	BRA	−29N	+112B	+67N	=24B	−14N	+81B	−21N	3.5	23.5	23.5	7.75	1887	+58.4
53	Hippertt, Joao	1647	BRA	=46N	+66B	−30B	+58N	−23B	−41N	+78B	3.5	22.5	25.0	10.75	1867	+37.0
54	Deus Filho, Joaquim de	1871	BRA	F	+91B	+32N	=47B	−10N	=56B	=42N	3.5	22.5	22.5	11.50	1856	-1.6
55	Campagnolo, Bruna	1689	BRA	−16B	+80N	−36B	+90N	−31B	+76N	=48B	3.5	21.5	23.5	9.25	1676	-4.4
56	Da Cruz Filho, Ademir Pereira	0	BRA	=27B	=83N	=58B	=88N	+78B	=54N	−25B	3.5	21.0	23.0	10.50	1792	0.0
57	Lima, Joao Pedro Braz Correia	1549	BRA	−19N	+45B	+82N	−50B	−65N	=63B	+84N	3.5	20.5	23.0	10.50	1829	+94.8
58	De Oliveira, Tobias Luiz Carvalho	1753	BRA	+90N	−21B	=56N	−53B	+99N	+51B	−47N	3.5	20.5	22.0	8.75	1624	-28.0
59	Olivo, Anibal Ribeiro	1672	BRA	−8N	=108B	+104N	−46B	+80N	=44B	=50N	3.5	20.5	21.0	8.00	1747	+3.0
60	Bisognin, Mateus Michelon	0	BRA	=47B	−30N	−88B	+106N	−27B	+89N	+101B	3.5	17.5	18.5	6.25	1718	0.0
61	Dos Santos, Igor Gabriel Majella	1616	BRA	+18B	−37N	+40B	−36N	−48B	−74B	+91N	3.0	23.0	25.0	10.50	1730	+27.2
62	Mendes, Caio Franco	1592	BRA	−13B	F	+84N	−19B	=22N	+82B	=45N	3.0	23.0	24.0	9.25	1867	+38.8
63	Xavier, Gabriel Vaz da Costa	1676	BRA	−5B	+102N	−23B	+103N	−26B	=57N	=75B	3.0	22.5	24.0	6.25	1494	-34.8
64	Araujo, Barbara Ribeiro	1698	BRA	−11N	+94B	−50N	+73B	−21N	+91B	−33N	3.0	22.0	24.0	7.00	1188	-13.4
65	Gomes,Flavio Vieira	1766	BRA	+92B	−38N	+43B	−37N	+57B	−25N	F	3.0	22.0	22.0	9.50	1652	-24.0
66	Dias, Marcelo de Souza	1957	BRA	F	−53N	+90B	+42N	+77B	−9N	−26B	3.0	22.0	22.0	8.50	1671	-30.2
67	Sturza, Vernei Dutra	1830	BRA	+80B	−16N	−52B	+76N	+85B	−37N	−39B	3.0	21.5	24.0	8.00	1669	-27.6
68	Freire, Edney Da Silva	1736	BRA	+110B	−13N	+103B	−17N	−35B	+85N	−43B	3.0	21.5	21.5	4.00	1724	-3.2
69	Palo,Gary Hufanda	1572	BRA	+107B	−17N	−31B	=78N	+83B	−27N	=71B	3.0	21.0	22.0	6.25	1680	+28.4
70	Hitiro Matsunaga, Pedro	1718	BRA	−2B	+87N	−18B	+93N	−43B	+95N	F	3.0	21.0	21.0	6.50	1796	+2.8
71	Fonseca, Marcelo Lobo	1725	BRA	−4N	−73B	+108N	+105B	=44N	−42B	=69N	3.0	20.5	21.0	5.00	1656	-11.2
72	Lyra, Larissa Alencar	1571	BRA	−37B	−18N	+102B	−48N	+90B	−40N	+93B	3.0	20.0	21.5	5.50	1068	-26.4
73	Silva, Gabriel Henry Francisconi	0	BRA	−49B	+71N	−26B	−64N	+103B	−83N	+90B	3.0	18.5	20.0	6.50	1556	0.0
74	Da Silva, Jonatan Rodrigues	1704	BRA	−28B	F	F	+87N	+93B	+61N	−40B	3.0	17.0	17.0	7.50	1721	-2.0
75	Komeno, Andre Seiki Figueiredo	0	BRA	−82N	=77B	−81N	+104B	+101N	−22B	=63N	3.0	16.5	18.0	5.75	1608	0.0
76	Braga, Marcelo Melem	1611	BRA	−24N	−90B	+111N	−67B	+110N	−55B	+92N	3.0	15.0	15.0	2.00	1032	-14.2
77	Colombo,Apoa Camilo	1671	BRA	−10B	=75N	+100B	+83N	−66N	−45B	−44N	2.5	22.0	23.5	5.50	1753	+11.6
78	De Miranda, Arthur Paz	1727	BRA	+103N	−24B	−96N	=69B	−56N	+86B	−53N	2.5	19.0	20.5	5.50	1595	-30.4
79	Badauy, Joao De Oliveira	1642	BRA	−38B	+110N	−15N	−44B	−91N	=80B	+100B	2.5	19.0	19.0	2.75	1131	-14.0
80	Fleury,Audrey Yuian Chow Jaime	0	BRA	−67N	−55B	=45N	+108B	−59B	=79N	=95B	2.5	18.5	19.0	4.75	1535	0.0
81	Oliveira, Douglas Carvalho	1813	BRA	=100B	−42N	+75B	+97N	−38B	−52N	F	2.5	18.0	18.0	5.75	1629	-14.4
82	De Sa, Caio Vinicius Schurgelies	1790	BRA	+75B	−98N	−57B	−43N	+111B	−62N	=87B	2.5	18.0	18.0	4.25	935	-69.2
83	De Moura, Valderi Nascimento	1843	BRA	=91N	=56B	=101N	−77B	−69N	+73B	−51N	2.5	17.5	19.0	6.50	1319	-50.6
84	Alcantara, Marcio Venicio Pilar	1806	BRA	−43B	+109N	−62B	−35N	=94B	+106N	−57B	2.5	17.5	17.5	2.00	1415	-58.4
85	Oliveira Junior, Rafael Moreira	1633	BRA	−21N	−96B	+94N	+92B	−67N	−68B	=99N	2.5	16.5	18.0	4.75	1067	-27.6
86	Machado, Rafael Mazzochin	1532	BRA	−17B	−26N	−93B	=102N	+100B	−78N	+106B	2.5	16.5	17.5	3.25	1014	-20.8
87	Moreira, Marcos Paes	0	BRA	−33N	−70B	−92N	−74B	+107N	+110B	=82N	2.5	15.5	15.5	2.25	1453	0.0
88	Martins,Miguel Souza Damasceno	1708	BRA	−1N	=104B	+60N	=56B	F	−23N	−36B	2.0	23.5	25.0	6.00	1164	-24.0
89	Hennemann, Bento Vaz	1679	BRA	−12N	+111B	−33N	=99B	−42N	−60B	=94N	2.0	20.0	20.0	1.75	1182	-12.8
90	Ramos, Gabriel Cordeiro Falcao	0	BRA	−58B	+76N	−66N	−55B	−72N	+105B	−73N	2.0	19.0	20.0	4.00	1476	0.0
91	Barbosa, Artur Martins	0	BRA	=83B	−54N	=95B	−39N	+79B	−64N	−61B	2.0	18.5	20.5	4.75	1551	0.0
92	Pacheco, Samuel Avelar	0	BRA	−65N	−51B	+87B	−85N	+102B	−39N	−76B	2.0	18.5	20.0	4.00	867	0.0
93	Moura, Joao Lucas Barbosa	0	BRA	−22N	−101B	+86N	−70B	−74N	+109B	−72N	2.0	17.5	17.5	2.50	1481	0.0
94	Pereira, Rodrigo Mendes	0	BRA	−23B	−64N	−85B	+109N	=84N	F	=89B	2.0	16.0	16.0	2.25	1573	0.0
95	Ventura, Leonardo Costa Tosetto	1624	BRA	F	−46B	=91N	+110B	−15N	−70B	=80N	2.0	16.0	16.0	2.25	1054	-28.0
96	Nascimento, Matheus Silva	0	BRA	−20B	+85N	+78B	−49N	F	F	F	2.0	15.0	15.0	5.00	1764	0.0
97	Santana, Expedito	1546	BRA	F	F	+106N	−81B	−45N	=99B	=103N	2.0	10.5	10.5	2.50	1063	-5.6
98	Rezende, Guilherme Vilela	2082	BRA	+101N	+82B	F	F	F	F	F	2.0	4.0	4.0	4.00	2536	+4.6
99	Vargas,Luiz Antonio de Carvalho	0	BRA	−34N	F	−20B	=89N	−58B	=97N	=85B	1.5	19.5	21.5	3.25	1516	0.0
100	E Silva, Clara Maisa Carvalho	0	BRA	=81N	−25B	−77N	−45B	−86N	+107B	−79N	1.5	18.5	19.5	2.25	1334	0.0
101	Silva, Ralfe	1667	BRA	−98B	+93N	=83B	−41N	−75B	F	−60N	1.5	17.0	19.0	3.25	1641	-5.2
102	Cassano, Luis Felipe Areda	0	BRA	−15N	−63B	−72N	=86B	−92N	+108B	F	1.5	16.0	16.0	1.75	1328	0.0
103	Rezende, Leandro Oliveira	0	BRA	−78B	F	−68N	−63B	−73N	+111N	=97B	1.5	13.5	13.5	1.00	1350	0.0
104	Duarte, Caio Lopes	0	BRA	−36B	=88N	−59B	−75N	F	F	+110N	1.5	12.5	12.5	1.00	1490	0.0
105	Nogueira, Rafael Franca	0	BRA	−50N	−48B	F	−71N	−40B	−90N	+111B	1.0	16.0	16.0	0.00	997	0.0
106	Sousa, Levi De Aguiar Almeida	0	BRA	F	−27N	−97B	−60B	+108N	−84B	−86N	1.0	15.5	15.5	0.50	873	0.0
107	FIDE 538081237	0	—	−69N	F	F	F	−87B	−100N	+108B	1.0	10.5	10.5	0.50	772	0.0
108	Klein, Joaquim Francisco Faccin	0	BRA	−6B	=59N	−71B	−80N	−106B	−102N	−107N	0.5	17.0	18.0	1.75	1468	0.0
109	Alcantara, Marcel Augusto Calassa	1497	BRA	−14N	−84B	−44N	−94B	F	−93N	F	0.0	17.0	18.5	0.00	1052	-8.8
110	Ramos, Maria L Cordeiro Falcao	0	BRA	−68N	−79B	F	−95N	−76B	−87N	−104B	0.0	14.5	14.5	0.00	853	0.0
111	Los, Cristal Sarah Gorga	0	BRA	−41B	−89N	−76B	F	−82N	−103B	−105N	0.0	14.0	14.0	0.00	928	0.0
112	Duarte, Daniel Ribeiro Siqueira	0	BRA	−31B	−52N	F	F	F	F	F	0.0	8.5	8.5	0.00	925	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Tomazette, Leonardo MartinsBRA
+150.0
5.5 pts · #16
2Lima, Joao Pedro Braz CorreiaBRA
+94.8
3.5 pts · #32
3Domingos, Vinicius RodriguesBRA
+69.2
4.5 pts · #50

Top rating losers

1De Sa, Caio Vinicius SchurgeliesBRA
-69.2
2.5 pts · #107
2Alcantara, Marcio Venicio PilarBRA
-58.4
2.5 pts · #71
3De Moura, Valderi NascimentoBRA
-50.6
2.5 pts · #91

Biggest upsets

R7+486 Elo gap
Tomazette, Leonardo Martins1825 beat FMDe Siqueira, Luigy Lira2311
R1+405 Elo gap
Dos Santos, Igor Gabriel Majella1616 beat Cruz, Natan Gomes2021
R2+390 Elo gap
Tomazette, Leonardo Martins1825 beat FMTerao, Juliana Sayumi2215