CChessStats

Taca Joao Batista Ribeiro Neto 2025

Open SwissStandard

29 players participated in this 7-round tournament, held from 16 May 2025 to 18 May 2025 in Florianopolis SC, Brazil. 2 titled players from 2 federations. Top 10 Elo average was 1975, and top seed was Everaldo Matsuura (🇧🇷 BRA, GM, 2354).

Everaldo Matsuura (🇧🇷 BRA, GM, 2354) won with 7.0/7, ahead of Josue Henrique de Freitas Whately (5.5) and Joao Antonio Bertolu Mariot Vaz (4.5). Matsuura won solo starting round 3.

The biggest upset came in round 1: Vitor Augusto Colaco Arosteguy (1647) beat Wellington Gubiani Maiberg (1978), a +331-point gap.

Location
🇧🇷Florianopolis SC, Brazil
Dates
16 May 2025 → 18 May 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇷GMEveraldo Matsuura2354
Avg top 10
1,975
Participants
29
Titled players · 2
GM×1
CM×1
Federations · 2 represented
🇧🇷Brazil×27
🇧🇴Bolivia×1
Top 3

How it unfolded

Top 6 · 7 rounds

GM Everaldo Matsuura led from R3; +1.5-point edge over the runner-up.

Co-leaders
9
3
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7
R3–R7 · LEAD HELD

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

R2 · HEAD-TO-HEAD · WINNER VS 2ND

GM Everaldo Matsuura beat Josue Henrique de Freitas Whately (Black).

WIN STREAKS · 3 top finishers

GM Everaldo Matsuura 7 wins (R1–R7)Josue Henrique de Freitas Whately 4 wins (R3–R6)Joao Antonio Bertolu Mariot Vaz 3 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Matsuura, EveraldoGM2354BRA+27B+2N+5B+9N+3B+6N+10N7.025.026.026.002787+7.1
2Whately, Josue Henrique de Freitas1941BRA+18N1B+24N+17B+7N+9B=3B5.524.026.016.752101+51.2
3Mariot Vaz, Joao Antonio Bertolu1996BRA+6BF+19N+7B1N+4B=2N4.527.527.517.752107+16.0
4Ferreira, Angelo Augusto Pacheco1802BRA+28B5N+13B+12N=9B3N+14N4.521.021.511.251876+18.0
5Souza dos Santos,Matheus Garcett1981BRA+29N+4B1N+8B6N14B+18B4.025.025.011.001923-6.0
6Orsini, Cesar Oliveira1705BRA3N+21BF+20N+5B1B+8N4.023.524.012.001889+54.0
7Moura, Bernardo Lalane Mascarenha1854BRA=25N+23B+15B3N2B=13N+12B4.021.022.510.251777-17.6
8Arosteguy, Vitor Augusto Colaco1647BRA+10N+26B9B5N+21B+11N6B4.020.021.09.501873+76.8
9Mafra, Kaiser LuizCM2094BRAF+11B+8N1B=4N2N+17B3.526.526.511.751952-16.8
10Maiberg, Wellington Gubiani1978BRA8BF+23N+26B=17N+12N1B3.519.519.57.251808-20.0
11Costa, Pedro Henrique1884BRA+12B9NF=14B+20N8B=16N3.018.518.58.001664-48.4
12De Oliveira, Ricardo W Lima1571BRA11N+29B+22N4B+26N10B7N3.018.018.03.001746+54.8
13Flesch, Lucas Henrique Ye1741BRAF+25B4N=19B14N=7B+22N3.017.517.56.751788+15.6
14Romao, Hugo Egidio0BRAF=22BF=11N+13B+5N4B3.016.516.59.5018240.0
15Da Cruz, Karoliny Taiane1832BRA+20BF7N+22BF17N+25N3.012.012.05.501668-17.2
16Esquinelato, Marcos Vinicius Molina1525BRAF=24B17N+28NF+20B=11B3.010.010.05.001639+7.6
17Telles, Arnoldo Beber1591BRAFF+16B2N=10B+15B9N2.518.518.57.751853+57.2
18Koinski, Carlos Cesar1581BRA2B20NF+25N=23B+24B5N2.517.017.04.501525-11.8
19Panazzolo,Paulo Victor1832BRA+21NF3B=13NFF+20B2.511.511.55.501748-4.8
20Bueno, Marcos Da Silva Inacio1442BRA15N+18B+27N6B11B16N19N2.018.019.03.501567+29.2
21Salamanca Paraguayo, Mateo1412BOL19B6NF+24B8NF+23N2.014.514.54.001478+8.0
22Vieira, Jeyson1611BRAF=14N12B15N+28B=23N13B2.014.514.53.001344-49.6
23Baldez, David Lourenco1521BRAF7N10B+29N=18N=22B21B2.014.014.02.251554+4.4
24Abregu, Sofia Balbino de Barros0BRAF=16N2B21N+29B18N=28B2.013.513.51.7514830.0
25Dhom Lemos,Frederico M Brescia1487BRA=7B13N26N18BF+29N15B1.513.513.52.001550+13.2
26Gomes, Joao Paulo Santos1756BRAF8N+25B10N12BFF1.012.012.01.501478-28.8
27Ribeiro, Vanio Melo1759BRA1NF20BFFF+29B1.09.09.00.001642-21.2
28FIDE 53803440904NFF16B22NF=24N0.515.515.51.008460.0
29Ferreira, Mauricio Vilela1700BRA5B12NF23B24N25B27N0.013.513.50.00863-110.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers