X Aberto do Brasil Cidade de Teresina 2025

SwissStandard

90 players participated in this 6-round tournament, held from 15 Aug 2025 to 17 Aug 2025 in Teresina PI, Brazil. 14 titled players from 7 federations. Top 10 Elo average was 2388, and top seed was Rafael Leitao (🇧🇷 BRA, GM, 2596).

Alexandr Fier (🇧🇷 BRA, GM, 2565) won with 5.5/6, ahead of Rafael Leitao (5.0) and Neuris Delgado Ramirez (5.0). Fier broke clear in the final round.

The biggest upset came in round 5: Luiz Barbosa Da Silva Filho (1734) beat Gidelson Ferreira Amorim (2143), a +409-point gap.

Location

🇧🇷Teresina PI, Brazil

Dates

15 Aug 2025 → 17 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇧🇷GMRafael Leitao2596

Avg top 10

2,388

Participants

Titled players · 14

GM×4

IM×4

FM×1

CM×3

WFM×1

WCM×1

Federations · 7 represented

🇧🇷Brazil×79

🇦🇷Argentina×1

FIDE (no federation)×1

🇵🇾Paraguay×1

🇫🇷France×1

🇺🇾Uruguay×1

🇺🇸United States of America×1

Top 3

🥇
GMAlexandr Fier
🇧🇷BRA·2565
5.5pts·2708perf+7.8
🥈
GMRafael Leitao
🇧🇷BRA·2596
5.0pts·2608perf+2.6
🥉
GMNeuris Delgado Ramirez
🇵🇾PAR·2486
5.0pts·2550perf+6.0

How it unfolded

Top 6 · 6 rounds

GM Alexandr Fier led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders

Fier5.5Delgado Ramirez5Rodi5Leitao5Molina4.5Perdomo4.5

R6–R6 · LEAD HELD

GM Alexandr Fier held the sole lead from R6 through R6 without losing it.

WIN STREAKS · 2 top finishers

GM Alexandr Fier 4 wins (R1–R4)GM Neuris Delgado Ramirez 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMAlexandr Fier	*	—	—	½
2GMNeuris Delgado Ramirez	—	*	—	½
3IMLuis Ernesto Rodi	—	—	*	—
4GMRafael Leitao	½	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Fier, AlexandrGM	2565	BRA	+61N	+85B	+14N	+6B	=2N	+12B	5.5	20.0	21.0	18.50	2708	+7.8
2	Leitao, RafaelGM	2596	BRA	+31B	+16N	+28B	+10N	=1B	=3N	5.0	22.5	26.0	20.75	2608	+2.6
3	Delgado Ramirez, NeurisGM	2486	PAR	+38B	+25N	+11B	=8N	+5B	=2B	5.0	22.0	25.0	20.25	2550	+6.0
4	Rodi, Luis ErnestoIM	2222	URU	+82B	+23N	=15B	+58N	+8B	=5N	5.0	19.0	20.0	15.75	2333	+9.9
5	Molina, Roberto Junio BritoIM	2378	BRA	+43N	+27B	+7N	+9B	−3N	=4B	4.5	22.5	25.5	18.00	2368	+1.1
6	Perdomo, LeandroIM	2347	ARG	+29B	+19N	+22B	−1N	+18B	=11N	4.5	22.0	25.5	17.75	2342	+1.6
7	Veloso, Henrique Barbosa	2186	BRA	+37B	+21N	−5B	+20N	+19B	=9N	4.5	21.0	24.0	17.25	2210	+7.4
8	Reis,Paulo F. Jatoba de OliveiraFM	2346	BRA	+49N	+32B	+17N	=3B	−4N	+27B	4.5	21.0	23.5	16.00	2306	-0.2
9	Muniz, Francisco Allysson da S.CM	2197	BRA	+44N	+46B	+13N	−5N	+22B	=7B	4.5	20.5	23.5	16.75	2269	+13.6
10	Matsuura, EveraldoGM	2370	BRA	+42N	+30B	+18N	−2B	=17N	+16B	4.5	20.5	23.5	16.50	2336	-0.1
11	Rocha, Vitor Firmo de Souza	2169	BRA	+39N	+34B	−3N	+32B	+35N	=6B	4.5	19.5	22.5	15.25	2212	+11.4
12	Filgueiras, Nathan FelipeIM	2377	BRA	+56B	=26N	+60B	+57N	+15B	−1N	4.5	17.0	19.0	11.75	2312	-3.4
13	Mello Sales,Caio de	2090	BRA	+59B	+36N	−9B	=29N	+58B	+25N	4.5	16.5	18.5	12.25	2035	-2.0
14	Jordao Barbosa,Marcio	2192	BRA	+74B	+20N	−1B	+23N	−16N	+30B	4.0	21.0	22.5	13.00	2155	-3.8
15	Leitao, Nicolau	2061	BRA	+53N	+48B	=4N	+41B	−12N	=17B	4.0	19.5	22.0	13.00	2106	+8.2
16	Do Nascimento, Davi AlvesCM	2054	BRA	+64B	−2B	+38N	+36N	+14B	−10N	4.0	19.5	21.5	12.00	2154	+17.0
17	Louis, Corentin	2119	FRA	+52B	+33N	−8B	+50N	=10B	=15N	4.0	19.0	21.5	12.75	2152	+8.4
18	Chaves, Allysson Pereira	2152	BRA	+51B	+50N	−10B	+21N	−6N	+57B	4.0	18.0	20.0	11.00	2137	+1.8
19	Monteiro, Luis Felipe Furtado	1951	BRA	+69N	−6B	+42N	+40B	−7N	+36B	4.0	18.0	20.0	11.00	2006	+3.8
20	Lima, Eduardo de Sousa	1902	BRA	+84N	−14B	+44N	−7B	+42N	+38B	4.0	17.5	18.5	10.00	1973	+8.6
21	Silva, Ramon Domingos Cunha	1886	BRA	+72N	−7B	+39N	−18B	+49N	+45B	4.0	17.0	19.0	10.50	1922	+2.6
22	Dos Santos, Joao Mateus Araujo	2109	BRA	+65N	+35B	−6N	+66B	−9N	+47B	4.0	17.0	19.0	10.00	2077	-0.4
23	Meneses,Lourenco Teixeira de	1932	BRA	+83N	−4B	+49N	−14B	+56N	+35B	4.0	16.5	17.5	8.50	1994	+7.8
24	Passos, Luan Bernardo Alves	0	BRA	−35N	+65B	=61N	+71B	=57B	+79N	4.0	11.0	12.5	7.50	1807	0.0
25	De Souza, Wallisson Freitas	1993	BRA	+62N	−3B	+43N	=34B	+41N	−13B	3.5	19.0	21.0	9.75	1961	-6.8
26	Coelho, Ramyres SantanaWFM	1989	BRA	+40N	=12B	=41N	−35B	+43N	=33B	3.5	17.0	20.0	11.50	1893	-13.8
27	Da Fonseca Pinto, Joao Gabriel Alves	1959	BRA	+80B	−5N	+82B	=37N	+29B	−8N	3.5	17.0	18.0	7.50	1948	-3.6
28	Zallio, Luciano de SouzaCM	2191	BRA	+54N	+66B	−2N	=30B	−34N	+58B	3.5	16.5	18.5	8.25	2020	-20.6
29	De Sousa, Rubens Oliveira	1708	BRA	−6N	+69B	+85N	=13B	−27N	+67B	3.5	16.5	17.5	7.25	1954	+27.2
30	Alves da Silva,Thiago	1934	BRA	+81B	−10N	+75B	=28N	+37B	−14N	3.5	16.5	17.5	7.25	2003	+4.2
31	Matsumoto, Renato Augusto Eidy K	1758	BRA	−2N	+64B	=48N	=67B	+68N	=32B	3.5	15.5	17.5	8.25	1819	+9.2
32	Correa, Luca Soares	1914	BRA	+89B	−8N	+74B	−11N	+75B	=31N	3.5	15.5	15.5	4.75	1887	-6.0
33	Jorge Barbosa Carvalho Junior, Renato	1794	FID	+87N	−17B	−40N	+70B	+62N	=26N	3.5	14.5	15.0	6.25	1922	+24.8
34	Danduprolu, Ridhi VarmaWCM	1827	USA	+90B	−11N	+59B	=25N	+28B	F	3.5	13.5	13.5	7.25	2086	+48.8
35	Lima, Francisco Jose Da Silva	1773	BRA	+24B	−22N	+45B	+26N	−11B	−23N	3.0	20.0	23.0	10.50	1857	+11.6
36	Gomes, Anderson Leite Meira	1774	BRA	+55N	−13B	+68N	−16B	+40N	−19N	3.0	18.0	20.0	7.50	1231	-22.4
37	Lima, Lucas Araujo De Sousa	1643	BRA	−7N	+72B	+46N	=27B	−30N	=41B	3.0	17.5	19.5	8.25	1853	+46.0
38	Da Silva Filho, Luiz Barbosa	1734	BRA	−3N	+62B	−16B	+52N	+60B	−20N	3.0	17.5	19.5	6.50	1903	+42.4
39	Da Silva, Jose Wellington	1643	BRA	−11B	+90N	−21B	+46B	−47N	+56B	3.0	16.5	16.5	5.00	1805	+35.6
40	Da Silva, Valdinei	0	BRA	−26B	+56N	+33B	−19N	−36B	+75N	3.0	16.0	17.5	7.00	1773	0.0
41	Lima Fo, Jose Pacifico	1793	BRA	+77B	+60N	=26B	−15N	−25B	=37N	3.0	16.0	17.5	6.75	1894	+10.6
42	Lobo, Pedro Aluizio De Abreu	1717	BRA	−10B	+81N	−19B	+78N	−20B	+63N	3.0	16.0	17.0	4.50	1678	-6.2
43	Lima, Francisco Luciano de Sousa	1727	BRA	−5B	+80N	−25B	+59N	−26B	+73N	3.0	15.5	17.0	5.50	1737	-2.0
44	Matsunaga, Lange Cristina	1675	BRA	−9B	+63N	−20B	−45N	+88B	+62N	3.0	15.5	16.0	4.50	1782	+8.8
45	Bezerra, Gustavo Pinheiro	0	BRA	−66N	+54B	−35N	+44B	+71N	−21N	3.0	14.5	16.5	7.50	1763	0.0
46	Bastos, Werton Alvarenga	1897	BRA	+63B	−9N	−37B	−39N	+64N	+70B	3.0	14.5	16.5	6.00	1668	-29.2
47	Xavier, Nailton Machado	1842	BRA	−48N	=53B	+76N	=61B	+39B	−22N	3.0	14.5	16.0	6.75	1774	-7.6
48	Campelo Filho, Francisco Soares	0	BRA	+47B	−15N	=31B	+51N	=79B	F	3.0	14.5	14.5	8.00	1852	0.0
49	Heubeck, Flavio	1706	BRA	−8B	+89N	−23B	+63N	−21B	=52N	2.5	17.0	17.0	3.25	1566	-13.2
50	Santos, Abel Cardoso Dos	1869	BRA	F	−18B	+70N	−17B	=67N	+55B	2.5	14.5	16.0	5.50	1793	-9.2
51	Dos Santos, Gabrielly Goncalves	1639	BRA	−18N	=76B	+53N	−48B	−55N	+68B	2.5	14.0	15.5	5.25	1817	+14.4
52	Da Silva, Cleber Rosa Leme	1626	BRA	−17N	+87B	−66N	−38B	+83N	=49B	2.5	12.5	13.0	2.75	1505	-21.6
53	Pereira Fo, Hildebrando Apolonio	1594	BRA	−15B	=47N	−51B	F	+87N	+74N	2.5	11.5	11.5	3.50	1696	+7.6
54	Lopes, Marcos Alcantara	1648	BRA	−28B	−45N	+89B	−60N	=78B	+77N	2.5	11.5	11.5	2.25	1597	-13.6
55	Gomes E Silva, Gustavo Neres	0	BRA	−36B	−59N	+81B	=88N	+51B	−50N	2.5	11.0	11.5	3.75	1545	0.0
56	Barbosa, Luiza Karollyne Dantas	1725	BRA	−12N	−40B	+83N	+65B	−23B	−39N	2.0	16.5	17.5	3.00	1634	-22.4
57	Gomes, Rodrigo De Oliveira	1849	BRA	=68N	F	+67B	−12B	=24N	−18N	2.0	16.5	17.0	5.00	1882	-0.2
58	Fernandes Neto, Vitorino Orthiges	1690	BRA	F	+73N	+86B	−4B	−13N	−28N	2.0	16.0	16.0	3.00	1762	+1.4
59	Gabriel Pereira Amaral, Icaro	1610	BRA	−13N	+55B	−34N	−43B	=77N	=69B	2.0	15.5	17.0	4.25	1055	-25.6
60	Amorim, Gidelson Ferreira	2143	BRA	+70N	−41B	−12N	+54B	−38N	F	2.0	15.0	15.0	4.50	1808	-37.2
61	Costa Normando,Mario Alexandre	1750	BRA	−1B	+78N	=24B	=47N	F	F	2.0	14.0	14.0	5.00	1835	+5.0
62	Ferreira, Icaro Alves	1571	BRA	−25B	−38N	+90B	+82N	−33B	−44B	2.0	14.0	14.0	1.00	1532	-11.2
63	Viana, Henrique Gomes	0	BRA	−46N	−44B	+64N	−49B	+65N	−42B	2.0	13.5	15.5	4.00	1574	0.0
64	Marinho Filho, Rodolfo Ribeiro	1586	BRA	−16N	−31N	−63B	+84N	−46B	+83B	2.0	13.5	14.5	2.00	1079	-10.0
65	Luz, Alisson Ribeiro	1612	BRA	−22B	−24N	+84B	−56N	−63B	+81N	2.0	13.0	14.0	2.00	1066	-17.2
66	Pessoa Gomes, Fabio	1843	BRA	+45B	−28N	+52B	−22N	F	F	2.0	13.0	13.0	5.50	1850	-2.8
67	E Silva, Bernardo Caio C	1620	BRA	F	+79B	−57N	=31N	=50B	−29N	2.0	13.0	13.0	4.50	1737	+28.0
68	Aragao, Heitor Almeida Dos Santos	0	BRA	=57B	=75N	−36B	+74N	−31B	−51N	2.0	12.5	14.0	3.25	1586	0.0
69	Fontenele, Tayllan Gabriel P Lima	0	BRA	−19B	−29N	+77B	−75N	=74B	=59N	2.0	12.5	14.0	3.25	1538	0.0
70	Brito Carvalho, Joao Paulo	1629	BRA	−60B	+77N	−50B	−33N	+81B	−46N	2.0	12.5	13.5	2.50	1097	-29.2
71	Sales,Luis Carlos	1755	BRA	F	−86N	+73B	−24N	−45B	+80N	2.0	11.5	11.5	3.50	750	-15.2
72	E Silva, Bernardo Teles	0	BRA	−21B	−37N	−78B	−81N	+84B	+87N	2.0	10.5	11.0	1.50	881	0.0
73	Oliveira Lima, Erison	0	BRA	F	−58B	−71N	+87B	+76N	−43B	2.0	9.0	9.0	2.00	924	0.0
74	Saladino Pinto De Souza Silva, Di	1656	BRA	−14N	+84B	−32N	−68B	=69N	−53B	1.5	14.0	15.0	2.00	1055	-34.0
75	Lima, Julia Rodrigues	1671	BRA	F	=68B	−30N	+69B	−32N	−40B	1.5	14.0	14.0	3.00	1124	0.0
76	Do Nascimento, Raira Graciany G	0	BRA	F	=51N	−47B	+80N	−73B	F	1.5	11.5	11.5	2.75	1548	0.0
77	Dino, Jorge	0	BRA	−41N	−70B	−69N	+89N	=59B	−54B	1.5	11.5	11.5	1.00	1348	0.0
78	Pacifico, Joao Paulo Alves	1514	BRA	−85N	−61B	+72N	−42B	=54N	F	1.5	10.5	10.5	3.25	1435	-13.6
79	Silva, Ronnyel Carlos Cunha	1863	BRA	F	−67N	+88B	F	=48N	−24B	1.5	10.5	10.5	2.00	1600	-12.8
80	FIDE 44708920	0	—	−27N	−43B	=87N	−76B	+89N	−71B	1.5	10.5	10.5	0.25	1014	0.0
81	FIDE 538001268	0	—	−30N	−42B	−55N	+72B	−70N	−65B	1.0	13.0	15.0	2.00	923	0.0
82	Sousa, Gerson Tajra	1685	BRA	−4N	+83B	−27N	−62B	F	F	1.0	11.5	11.5	1.00	1072	-18.2
83	Lima, Ruan Kelvin De Miranda	0	BRA	−23B	−82N	−56B	+90N	−52B	−64N	1.0	11.5	11.5	0.00	910	0.0
84	Pinheiro, Ivanovick Brandao E Men	0	BRA	−20B	−74N	−65N	−64B	−72N	+89B	1.0	11.5	11.5	0.00	889	0.0
85	Carvalho, Lazaro Miranda	1992	BRA	+78B	−1N	−29B	F	F	F	1.0	10.5	10.5	1.50	1772	-16.8
86	e Silva, Anderson Pinheiro	1550	BRA	F	+71B	−58N	F	F	F	1.0	5.5	5.5	2.00	1723	+18.0
87	FIDE 538055694	0	—	−33B	−52N	=80B	−73N	−53B	−72B	0.5	12.5	14.0	0.75	871	0.0
88	Mangueira, Ricardo Cronemberger	1580	BRA	F	F	−79N	=55B	−44N	F	0.5	9.0	9.0	1.25	969	-10.6
89	FIDE 538036614	0	—	−32N	−49B	−54N	−77B	−80B	−84N	0.0	11.5	12.5	0.00	956	0.0
90	FIDE 538055686	0	—	−34N	−39B	−62N	−83B	F	F	0.0	10.0	10.0	0.00	880	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Danduprolu, Ridhi VarmaWCMUSA
+48.8
3.5 pts · #32
2Lima, Lucas Araujo De SousaBRA
+46.0
3.0 pts · #34
3Da Silva Filho, Luiz BarbosaBRA
+42.4
3.0 pts · #22

Top rating losers

1Amorim, Gidelson FerreiraBRA
-37.2
2.0 pts · #37
2Saladino Pinto De Souza Silva, DiBRA
-34.0
1.5 pts · #85
3Bastos, Werton AlvarengaBRA
-29.2
3.0 pts · #36

Biggest upsets

R5+409 Elo gap
Da Silva Filho, Luiz Barbosa1734 beat Amorim, Gidelson Ferreira2143
R5+364 Elo gap
WCMDanduprolu, Ridhi Varma1827 beat CMZallio, Luciano de Souza2191
R2+350 Elo gap
Lima Fo, Jose Pacifico1793 beat Amorim, Gidelson Ferreira2143