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Campeonato Brasileiro Senior S50 STD 2025

Open SwissStandard

20 players participated in this 6-round tournament, held from 18 Jul 2025 to 20 Jul 2025 in Brasilia DF, Brazil. 3 titled players. Top 10 Elo average was 2050, and top seed was Darcy Lima (🇧🇷 BRA, GM, 2393).

Darcy Lima (🇧🇷 BRA, GM, 2393) won with 5.5/6, ahead of Eduardo Eugenio Chaves Moura (4.0) and Paulo Santanna (4.0). Lima won solo starting round 3.

The biggest upset came in round 1: Adir Mazzuco Junior (1608) beat Luis Augusto Maio Guedes (1889), a +281-point gap.

Location
🇧🇷Brasilia DF, Brazil
Dates
18 Jul 2025 → 20 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇷GMDarcy Lima2393
Avg top 10
2,050
Participants
20
Titled players · 3
GM×1
CM×2
Federations · 1 represented
🇧🇷Brazil×20
Top 3

How it unfolded

Top 6 · 6 rounds

GM Darcy Lima led from R3; +1.5-point edge over the runner-up.

Co-leaders
6
2
1
1
1
1
1.534.56R1R2R3R4R5R6
Lima5.5Moura4Dornelles4Santanna4Robinson3.5Peixoto3.5
R3–R6 · LEAD HELD

GM Darcy Lima never relinquished the lead after R3; final gap +1.5 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

GM Darcy Lima drew with CM Eduardo Eugenio Chaves Moura (Black).

R1–R4 · WIN STREAK

GM Darcy Lima won 4 in a row (R1–R4).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1GMDarcy Lima*
½
—
1
2CMEduardo Eugenio Chaves Moura
½
*
½
—
3Marcio Neron Camargo Dornelles—
½
*
0
4Paulo Santanna
0
—
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Lima, DarcyGM2393BRA+7B+3N+6N+12B=2N+8B5.518.521.019.002428+1.2
2Moura, Eduardo Eugenio ChavesCM2037BRA+14B=9N+8B=4N=1B=6N4.019.522.014.002134+16.4
3Santanna, Paulo2022BRA+10N−1B=13N+16B+4B=5N4.018.520.011.502114+14.6
4Dornelles, Marcio Neron Camargo2084BRA=12N+16B+5N=2B−3N+13B4.016.518.010.752055-2.2
5Urquiza, Marcello de Albuquerque2086BRA+17B+11N−4B+7B−6N=3B3.518.019.510.002034-7.0
6Becker, Rogerio Sperb2124BRAF+15N−1B+11N+5B=2B3.518.018.010.502230+13.8
7Robinson, Malcolm1874BRA−1N+10B+15B−5N=9B+14N3.517.519.59.001990+17.6
8Peixoto, Rudson Marinho1963BRA=16N+18B−2N+13B+12N−1N3.516.017.57.252014+7.2
9Mazzuco Junior, Adir1608BRA+13N=2B−12N=17B=7N=10B3.015.517.08.501878+38.4
10Andreata, Mauro Antonio1786BRA−3B−7N+19B+15N=14B=9N3.015.016.05.751834+7.4
11Felix, Raimundo Nascimento1897BRA+19N−5B+17N−6B+18NF3.011.011.04.001997+14.0
12Ribeiro, Fabiano Pinto1853BRA=4B+20N+9B−1N−8B−15N2.518.018.55.501874+0.6
13Maio Guedes, Luis Augusto1889BRA−9B+14N=3B−8N+17B−4N2.517.018.56.001841-8.0
14Kurita, Rubens Massami1852BRA−2N−13B+18N+20B=10N−7B2.514.515.03.501805-8.4
15Souza, Marcos Valerio A.CM1993BRAF−6B−7N−10B+16N+12B2.014.014.04.001794-25.8
16Hitiro Matsunaga, Pedro1693BRA=8B−4N+20B−3N−15B−19N1.514.515.02.251707-2.2
17Reis, Virginia Lagrange M.1859BRA−5N+19B−11B=9N−13NF1.513.013.02.501678-24.0
18Franca Junior, Jairo1902BRA=20B−8N−14B+19N−11BF1.510.510.51.251661-31.8
19Braga, Marcelo Melem1655BRA−11B−17N−10N−18BF+16B1.010.511.01.501588-7.6
20De Almeida, Olivan Duarte1685BRA=18N−12B−16N−14NFF0.59.09.00.751504-15.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Campeonato Brasileiro Senior S50 STD 2025 — Brasilia DF, Brazil | Chess Tournament Results | ChessStats