CChessStats

Campeonato Brasiliense de Xadrez STD 2026 Semifinal I

Open SwissStandard

24 players participated in this 6-round tournament, held from 18 Apr 2026 to 21 Apr 2026 in Brasilia DF, Brazil. Top 10 Elo average was 1847, and top seed was Doroteu Cilas Soares Junior (🇧🇷 BRA, 1970).

Carlos E Souza Damasceno Martins (🇧🇷 BRA, 1880) won with 5.0/6, ahead of Leonardo Costa Tosetto Ventura (4.5) and Vinicius Rodrigues Domingos (4.5). Damasceno Martins won solo starting round 4.

The biggest upset came in round 5: Leonardo Costa Tosetto Ventura (1596) beat Paulo Goncalves De Souza (1899), a +303-point gap.

Location
🇧🇷Brasilia DF, Brazil
Dates
18 Apr 2026 → 21 Apr 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇷Doroteu Cilas Soares Junior1970
Avg top 10
1,847
Participants
24
Federations · 1 represented
🇧🇷Brazil×24
Top 3

How it unfolded

Top 6 · 6 rounds

Carlos E Souza Damasceno Martins led from R4; +0.5-point edge over the runner-up.

Co-leaders
10
4
5
1
1
1
1.534.56R1R2R3R4R5R6
Damasceno Martins5Ventura4.5Domingos4.5Robinson4Kurita4De Oliveira4
R4–R6 · LEAD HELD

Carlos E Souza Damasceno Martins held the sole lead from R4 through R6 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Carlos E Souza Damasceno Martins drew with Leonardo Costa Tosetto Ventura (White).

R3–R5 · WIN STREAK

Leonardo Costa Tosetto Ventura won 3 in a row (R3–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Carlos E Souza Damasceno Martins*
½
1
—
2Leonardo Costa Tosetto Ventura
½
*—
0
3Vinicius Rodrigues Domingos
0
—*
1
4Malcolm Robinson—
1
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Damasceno Martins, Carlos E Souza1880BRA+12B+16N=8N+3B+11N=2B5.018.521.017.001983+15.2
2Ventura, Leonardo Costa Tosetto1596BRA+5B−4N+6B+14B+8N=1N4.520.523.016.502025+128.8
3Domingos, Vinicius Rodrigues1835BRA+19B=9N+17B−1N+15B+4N4.517.519.512.751936+16.4
4Robinson, Malcolm1892BRA+20N+2B=11N=8B+10N−3B4.019.021.013.251898+2.8
5Kurita, Rubens Massami1844BRA−2N+20B+22N=11B+9N=8B4.016.517.59.751765-9.0
6De Oliveira, Lucca Veloso1836BRA−9N+19B−2N+21B+16N+11B4.015.516.58.501765-9.6
7Lima, Joao Pedro Braz Correia1627BRA−8N+23B−10B+19N+17B+15N4.014.015.08.001719+10.4
8De Souza, Paulo Goncalves1899BRA+7B+15N=1B=4N−2B=5N3.521.524.013.001807-24.4
9De Oliveira Junior, Joviniano M0BRA+6B=3B=14N=10N−5B+21N3.518.519.510.2518250.0
10Soares Junior, Doroteu Cilas1970BRA+22N−11B+7N=9B−4B+14N3.517.018.09.251777-42.0
11Sobral, Pedro De Figueiredo1734BRA+24B+10N=4B=5N−1B−6N3.020.520.57.501812+20.0
12Barbosa, Artur Martins1604BRA−1N=18B=21N+22B=14N=13B3.014.015.05.501746+35.6
13Martins,Miguel Souza Damasceno1742BRA=21N−14B−18N+20B+19B=12N3.012.013.06.001585-34.0
14Xavier, Gabriel Vaz da Costa1641BRA=17B+13N=9B−2N=12B−10B2.517.520.07.501640-4.0
15Silva, Ralfe1662BRA+23N−8B=16N+18B−3N−7B2.517.018.04.751609-15.6
16Vargas,Luiz Antonio de Carvalho1591BRA+18N−1B=15B=17N−6B=20N2.516.518.56.001692+22.8
17De Oliveira, Jose A Ferreira0BRA=14N+21B−3N=16B−7N=18B2.516.017.04.7515570.0
18Maio Guedes, Luis Augusto1838BRA−16B=12N+13B−15N=20B=17N2.513.515.56.751568-35.2
19Moreira, Marcos Paes0BRA−3N−6N+23B−7B−13N+24N2.016.516.51.009590.0
20Oliveira Junior, Rafael Moreira1606BRA−4B−5N+24B−13N=18N=16B2.016.016.02.501541-16.4
21Pacheco, Samuel Avelar0BRA=13B−17N=12B−6NF−9B1.016.017.03.0016010.0
22Mendes, Caio Franco1631BRA−10B+24N−5B−12NFF1.010.510.50.001006-17.8
23Los, Cristal Sarah Gorga0BRA−15B−7N−19N+24BFF1.09.59.50.008440.0
24Sobral, Laura De Figueiredo0BRA−11N−22B−20N−23NF−19B0.09.09.00.008570.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets