Torneio Abertura De Xadrez 2026 FIDE STD Cacoal RO

Open SwissStandard

36 players participated in this 6-round tournament, held from 13 Feb 2026 to 15 Feb 2026 in Cacoal RO, Brazil. Top 10 Elo average was 1818, and top seed was Gabriel Carckeno Do Carmo (🇧🇷 BRA, 2060).

Everson De Moura Araujo (🇧🇷 BRA, 1990) won with 6.0/6, ahead of Gabriel Carckeno Do Carmo (5.0) and Mateus Nascimento De Souza (5.0). Araujo won solo starting round 5.

The biggest upset came in round 4: Felipe Kenji Miata Duarte (1567) beat Sabino Jose Cardoso Junior (1856), a +289-point gap.

Location

🇧🇷Cacoal RO, Brazil

Dates

13 Feb 2026 → 15 Feb 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇧🇷Gabriel Carckeno Do Carmo2060

Avg top 10

1,818

Participants

Federations · 1 represented

🇧🇷Brazil×25

Top 3

🥇
Everson De Moura Araujo
🇧🇷BRA·1990
6.0pts·2636perf+32.0
🥈
Gabriel Carckeno Do Carmo
🇧🇷BRA·2060
5.0pts·2027perf-1.0
🥉
Mateus Nascimento De Souza
🇧🇷BRA·1916
5.0pts·1975perf+16.8

How it unfolded

Top 6 · 6 rounds

Everson De Moura Araujo 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

Araujo6De Souza5Do Carmo5De Oliveira4De Oliveira4Duarte4

R5–R6 · LEAD HELD

Everson De Moura Araujo never relinquished the lead after R5; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Everson De Moura Araujo beat Mateus Nascimento De Souza (White).

WIN STREAKS · 3 top finishers

Everson De Moura Araujo 6 wins (R1–R6)Mateus Nascimento De Souza 3 wins (R1–R3)Gabriel Carckeno Do Carmo 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Everson De Moura Araujo	*	1	1	—
2Mateus Nascimento De Souza	0	*	—	1
3Gabriel Carckeno Do Carmo	0	—	*	1
4Renato Sena De Oliveira	—	0	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Araujo, Everson De Moura	1990	BRA	+31N	+28B	+11N	+3B	+2N	+6B	6.0	19.0	20.0	20.00	2636	+32.0
2	Do Carmo, Gabriel Carckeno	2060	BRA	+9B	+4N	+8B	+7N	−1B	+5N	5.0	22.0	26.0	20.00	2027	-1.0
3	De Souza, Mateus Nascimento	1916	BRA	+36B	+5N	+6B	−1N	+8B	+4B	5.0	22.0	22.0	16.00	1975	+16.8
4	De Oliveira, Gabriel Alves	1612	BRA	+15N	−2B	+16B	+24N	+7B	−3N	4.0	20.0	22.0	12.00	1826	+38.4
5	Duarte, Felipe Kenji Miata	1567	BRA	+35N	−3B	+15N	+11B	+10N	−2B	4.0	20.0	21.0	11.00	1870	+55.2
6	Guimaraes, Mateus Oliveira	1741	BRA	+23N	+30B	−3N	+12B	+13N	−1N	4.0	19.5	21.0	10.00	1750	+2.4
7	Cruz Filho, Marcos Vinicius	1860	BRA	+20N	+12B	+13N	−2B	−4N	+15B	4.0	18.0	21.0	12.00	1693	-30.0
8	De Oliveira, Renato Sena	1765	BRA	+34N	+26B	−2N	+14B	−3N	+12B	4.0	18.0	19.0	9.00	1748	+0.2
9	FIDE 538083000	0	—	−2N	+17N	−24B	+23B	+27N	+22B	4.0	15.0	17.0	10.00	1804	0.0
10	Silva, Joao Vitor Maximiano	1742	BRA	+32B	F	+18N	+25N	−5B	+14N	4.0	13.0	13.0	9.00	1638	-14.0
11	Cardoso Junior, Sabino Jose	1856	BRA	+18B	+14N	−1B	−5N	+16N	F	3.0	19.0	22.0	9.00	1652	-18.2
12	Basso, Leticia de Souza	1455	BRA	+29B	−7N	+19B	−6N	+24B	−8N	3.0	17.0	19.0	7.00	987	-15.2
13	De Oliveira, Maysa Silva	1638	BRA	+19B	+25N	−7B	+21N	−6B	F	3.0	16.5	18.5	7.50	1554	-13.6
14	Lima, Luiz Carlos R do Nascimento	1536	BRA	+33N	−11B	+27N	−8N	+18B	−10B	3.0	16.0	17.0	6.00	988	-23.2
15	Dias, Thiago Becalli	0	BRA	−4B	+36N	−5B	+32N	+25B	−7N	3.0	15.0	15.0	3.00	1426	0.0
16	Bandeira, Maria Isabella Santos	1515	BRA	F	+22B	−4N	+17N	−11B	+25N	3.0	14.5	14.5	7.50	1613	+17.6
17	Dias, Isabelly Becali Dias	0	BRA	=22N	−9B	+31N	−16B	+26N	=21B	3.0	14.0	15.0	5.50	1492	0.0
18	FIDE 538075997	0	—	−11N	+33B	−10B	+30N	−14N	+29B	3.0	13.5	14.5	4.50	911	0.0
19	Dos Santos, Reinan Pereira	0	BRA	−13N	+31B	−12N	+26B	−20N	+27B	3.0	13.0	14.0	5.00	1378	0.0
20	FIDE 44728476	0	—	−7B	−21N	+35B	+33N	+19B	F	3.0	11.5	11.5	5.00	1060	0.0
21	Do Vale, Mateus Jaco Santos	0	BRA	−28N	+20B	+26N	−13B	F	=17N	2.5	13.0	13.0	6.50	1429	0.0
22	Lourenco, Vanda Goncalves	1547	BRA	=17B	−16N	+36B	−28N	+32B	−9N	2.5	13.0	13.0	2.50	762	-38.4
23	FIDE 538083019	0	—	−6B	−24N	+34B	−9N	=30B	+31N	2.5	12.5	13.5	2.75	941	0.0
24	FIDE 538014904	0	—	−26N	+23B	+9N	−4B	−12N	−33B	2.0	15.5	16.5	6.50	694	0.0
25	Noia, Vitor Odilei Silva	1435	BRA	+27N	−13B	+30N	−10B	−15N	−16B	2.0	15.0	16.5	3.50	832	-30.8
26	Oliveira, Ana Clara Vairan	1415	BRA	+24B	−8N	−21B	−19N	−17B	+32N	2.0	14.5	15.5	3.00	965	-4.4
27	De Matos, Pedro Pansini	0	BRA	−25B	+32N	−14B	+34N	−9B	−19N	2.0	13.0	14.0	2.00	686	0.0
28	Martins, Jeziel Borges	1608	BRA	+21B	−1N	F	+22B	F	F	2.0	11.0	11.0	5.00	1769	+13.2
29	FIDE 538025108	0	—	−12N	F	−32B	+36N	+35B	−18N	2.0	8.0	8.0	1.00	655	0.0
30	FIDE 538000237	0	—	F	−6N	−25B	−18B	=23N	+34N	1.5	12.5	12.5	2.25	788	0.0
31	FIDE 44764952	0	—	−1B	−19N	−17B	+35N	F	−23B	1.0	15.5	16.5	1.00	1190	0.0
32	Werlang, Marcos Willian Dias	0	BRA	−10N	−27B	+29N	−15B	−22N	−26B	1.0	13.5	15.5	2.00	768	0.0
33	Ernica, Theo Moreira Do Nasciment	0	BRA	−14B	−18N	F	−20B	F	+24N	1.0	12.0	12.0	2.00	736	0.0
34	FIDE 538076039	0	—	−8B	F	−23N	−27B	+36N	−30B	1.0	10.0	10.0	0.00	965	0.0
35	FIDE 538029677	0	—	−5B	F	−20N	−31B	−29N	+36B	1.0	10.0	10.0	0.00	767	0.0
36	FIDE 538083027	0	—	−3N	−15B	−22N	−29B	−34B	−35N	0.0	13.5	14.5	0.00	932	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Duarte, Felipe Kenji MiataBRA
+55.2
4.0 pts · #7
2De Oliveira, Gabriel AlvesBRA
+38.4
4.0 pts · #5
3Araujo, Everson De MouraBRA
+32.0
6.0 pts · #1

Top rating losers

1Lourenco, Vanda GoncalvesBRA
-38.4
2.5 pts · #22
2Noia, Vitor Odilei SilvaBRA
-30.8
2.0 pts · #20
3Cruz Filho, Marcos ViniciusBRA
-30.0
4.0 pts · #10

Biggest upsets

R4+289 Elo gap
Duarte, Felipe Kenji Miata1567 beat Cardoso Junior, Sabino Jose1856
R5+248 Elo gap
De Oliveira, Gabriel Alves1612 beat Cruz Filho, Marcos Vinicius1860
R5+175 Elo gap
Duarte, Felipe Kenji Miata1567 beat Silva, Joao Vitor Maximiano1742