Copa Tiradentes de xadrez FIDE STD 2026

Open SwissStandard

32 players participated in this 5-round tournament, held from 17 Apr 2026 to 19 Apr 2026 in Porto Velho RO, Brazil. Top 10 Elo average was 1897, and top seed was Gabriel Carckeno Do Carmo (🇧🇷 BRA, 2047).

Mateus Nascimento De Souza (🇧🇷 BRA, 1903) won with 5.0/5, ahead of Edson Gomes Dos Santos (4.0) and Everson De Moura Araujo (4.0). De Souza broke clear in the final round.

The biggest upset came in round 5: Calebe Emanuel Da Silva Miranda (1544) beat Jefferson Ryan F Da Silva De Sena (1870), a +326-point gap.

Location

🇧🇷Porto Velho RO, Brazil

Dates

17 Apr 2026 → 19 Apr 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 5 rounds

Top seed

🇧🇷Gabriel Carckeno Do Carmo2047

Avg top 10

1,897

Participants

Federations · 1 represented

🇧🇷Brazil×25

Top 3

🥇
Mateus Nascimento De Souza
🇧🇷BRA·1903
5.0pts·2561perf+67.2
🥈
Edson Gomes Dos Santos
🇧🇷BRA·1718
4.0pts·2096perf+38.8
🥉
Everson De Moura Araujo
🇧🇷BRA·2016
4.0pts·2008perf+0.4

How it unfolded

Top 6 · 5 rounds

Mateus Nascimento De Souza led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

De Souza5Araujo4Do Carmo4Dos Santos4Sturza3.5Amorim Filho3.5

R5–R5 · LEAD HELD

Mateus Nascimento De Souza never relinquished the lead after R5; final gap +1.0 over the runner-up.

WIN STREAKS · 3 top finishers

Mateus Nascimento De Souza 5 wins (R1–R5)Everson De Moura Araujo 3 wins (R1–R3)Gabriel Carckeno Do Carmo 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Mateus Nascimento De Souza	*	—	1	1
2Everson De Moura Araujo	—	*	—	0
3Gabriel Carckeno Do Carmo	0	—	*	—
4Edson Gomes Dos Santos	0	1	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	De Souza, Mateus Nascimento	1903	BRA	+22B	+6N	+9B	+4N	+2B	5.0	14.5	16.5	16.50	2561	+67.2
2	Dos Santos, Edson Gomes	1718	BRA	+19B	+25N	+7B	+3B	−1N	4.0	14.5	16.0	11.00	2096	+38.8
3	Araujo, Everson De Moura	2016	BRA	+21B	+8N	+5B	−2N	+10B	4.0	14.0	16.0	12.00	2008	+0.4
4	Do Carmo, Gabriel Carckeno	2047	BRA	+13N	+10B	+17N	−1B	+12N	4.0	14.0	16.0	11.00	2022	-0.8
5	De Sousa, Alex Aecio	1862	BRA	+14N	+16B	−3N	+11N	=6B	3.5	13.0	15.5	9.75	1798	-4.8
6	Amorim Filho, Robson Bezerra	1703	BRA	+18N	−1B	+28N	+17B	=5N	3.5	12.5	13.5	6.75	1879	+13.8
7	Sturza, Vernei Dutra	1803	BRA	=11N	+20B	−2N	+14B	+25B	3.5	11.5	13.0	7.50	1874	+5.6
8	Dos Santos, Janio Silva	1826	BRA	+28N	−3B	=14N	+26B	+15N	3.5	10.5	11.5	6.25	1770	-2.0
9	Farias, Robson da Costa	1835	BRA	+15B	+23N	−1N	−12B	+24B	3.0	12.5	14.5	6.50	1610	-17.8
10	Rocha, Walterio Carlos Araujo	1819	BRA	+31B	−4N	+23B	+18N	−3N	3.0	12.0	12.0	4.00	1774	-4.0
11	Moreira, Benjamim Araujo	0	BRA	=7B	+21N	=27N	−5B	+20N	3.0	11.0	12.5	6.50	1766	0.0
12	Maciel Junior, Joao Edson Costa	1668	BRA	+29N	−17B	+19N	+9N	−4B	3.0	11.0	12.0	6.00	1793	+15.6
13	Miranda, Calebe Emanuel Da Silva	1544	BRA	−4B	F	+31N	+28B	+17N	3.0	7.0	7.0	3.00	1908	+31.6
14	Lemos, Paulo Henrique Correa	0	BRA	−5B	+30N	=8B	−7N	+26N	2.5	12.0	13.0	4.25	1667	0.0
15	Pinheiro, Gabriel Guerra	0	BRA	−9N	+29B	=16N	+27B	−8B	2.5	10.5	11.5	3.75	1723	0.0
16	Medeiros, Murilo Passoni	1675	BRA	+30B	−5N	=15B	−25N	+18B	2.5	9.5	10.5	4.25	1076	-19.6
17	Da Silva De Sena, Jefferson Ryan F	1870	BRA	+24B	+12N	−4B	−6N	−13B	2.0	13.5	15.5	5.00	1548	-32.4
18	FIDE 538096455	0	—	−6B	+24N	+20N	−10B	−16N	2.0	11.0	13.0	4.00	1516	0.0
19	FIDE 44779488	0	—	−2N	+22N	−12B	+30B	−23N	2.0	11.0	12.0	3.00	1418	0.0
20	Cardoso, Kamilla Helmann	1638	BRA	+32B	−7N	−18B	+21N	−11B	2.0	10.5	10.5	2.00	1664	+2.4
21	Moura, Nilson Do Nascimento	1524	BRA	−3N	−11B	+30N	−20B	+29B	2.0	10.0	11.0	2.00	981	-16.8
22	Cardoso, Adalzisa Noemia Helmann	1426	BRA	−1N	−19B	+29N	−23B	+28N	2.0	10.0	11.0	2.00	930	-12.4
23	Pereira, Gustavo Soares	1633	BRA	F	−9B	−10N	+22N	+19B	2.0	10.0	10.0	4.00	1568	-10.8
24	Santana, Luiz Renato Cortez	0	BRA	−17N	−18B	+32N	+31B	−9N	2.0	7.0	7.0	0.00	1053	0.0
25	Cardoso Junior, Sabino Jose	1890	BRA	F	−2B	=26N	+16B	−7N	1.5	11.5	11.5	3.25	1593	-30.4
26	Oliveira, Emanuel Vitor Freitas	1524	BRA	−27B	+31N	=25B	−8N	−14B	1.5	9.0	9.0	0.75	1600	+6.4
27	Auzier Neto,Jesse Vale	1904	BRA	+26N	F	=11B	−15N	F	1.5	7.0	7.0	3.00	2324	+3.6
28	FIDE 538069270	0	—	−8B	+32N	−6B	−13N	−22B	1.0	12.0	12.0	0.00	825	0.0
29	FIDE 538096471	0	—	−12B	−15N	−22B	+32B	−21N	1.0	9.5	9.5	0.00	739	0.0
30	FIDE 538005697	0	—	−16N	−14B	−21B	−19N	+31N	1.0	9.0	9.0	0.00	800	0.0
31	FIDE 538005751	0	—	−10N	−26B	−13B	−24N	−30B	0.0	9.5	10.5	0.00	829	0.0
32	FIDE 538096463	0	—	−20N	−28B	−24B	−29N	F	0.0	6.0	6.0	0.00	838	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1De Souza, Mateus NascimentoBRA
+67.2
5.0 pts · #1
2Dos Santos, Edson GomesBRA
+38.8
4.0 pts · #5
3Miranda, Calebe Emanuel Da SilvaBRA
+31.6
3.0 pts · #18

Top rating losers

1Da Silva De Sena, Jefferson Ryan FBRA
-32.4
2.0 pts · #12
2Cardoso Junior, Sabino JoseBRA
-30.4
1.5 pts · #10
3Medeiros, Murilo PassoniBRA
-19.6
2.5 pts · #31

Biggest upsets

R5+326 Elo gap
Miranda, Calebe Emanuel Da Silva1544 beat Da Silva De Sena, Jefferson Ryan F1870
R4+298 Elo gap
Dos Santos, Edson Gomes1718 beat Araujo, Everson De Moura2016
R2+172 Elo gap
Dos Santos, Edson Gomes1718 beat Cardoso Junior, Sabino Jose1890