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Barboza, Ronaldo
Current rating: 1632

Regional Championships Sao Paulo 2023 Cycle 3 (pioneer) starting rating: 1590
round table opponent (rating) result Δrating
1pioneer 70 Souza, Joao Claudio (1778) Lost 0-2 -141576
2pioneer 72 Araujo, Leandro (1475) Won 2-0 +161592
3pioneer 48 esteves, jose (1547) Won 2-0 +171609
4pioneer 14 Amorim, Rodrigo (1769) Lost 1-2 -151594
5pioneer 37 Medeiros Merjam, Guilherme (1838) Won 2-1 +221616
6pioneer 36 Gennari Souza, Juliano (1652) Won 2-1 +191635
7pioneer 11 Pontes, Thiago (1588) Won 2-0 +171652
8pioneer 17 Castelo-Branco, Paulo (1544) Lost 0-2 -201632
top average opponent: 1649record: 5-3 new rating: 1632

Regional Championships Sao Paulo 2023 (ONE standard) starting rating: 1639
round table opponent (rating) result Δrating
1standard 27 Lima Hofer, Joao Pedro (1573) Won 2-1 +171656
2standard 30 dos Santos Pinto, Paulo Henrique (1746) Lost 1-2 -171639
3standard 33 Nonato, Fernando (1505) Won 2-0 +161655
4standard 21 Emar, Fellipe (1561) Lost 1-2 -201635
5standard 41 Nepomuceno, Christian Felipe (1533) Lost 0-2 -201615
6standard 29 Karim, Igor (1423) Won 2-1 +151630
7standard 36 Lujan de Bem, Lucas (1459) Lost 0-2 -211609
8standard 38 Lemos Mota, Matheus (1578) Lost 0-2 -191590
top average opponent: 1547record: 3-5 new rating: 1590

Regional Championships Sao Paulo 2022 (pioneer) starting rating: 1544
round table opponent (rating) result Δrating
1pioneer 84 Sampaio, Felipe (1540) Won 2-1 +181562
2pioneer 14 Errerias, Carlos (1561) Won 2-1 +181580
3pioneer 9 De Castro, Paulo Henrique (1501) Lost 0-2 -201560
4pioneer 29 Etges, Artur (1510) Won 2-0 +171577
5pioneer 23 Dannemann, Joao Manoel (1687) Draw 1-1 +21579
6pioneer 18 Pettersen Forattini, Matheus (1665) Won 2-1 +201599
7pioneer 10 Pereira Lima Reis, Gabriel (1703) Won 2-1 +201619
8pioneer 7 Sapiras, Armando (1733) Won 2-0 +201639
top average opponent: 1612record: 6-1-1 new rating: 1639

Grand Prix Sao Paulo 2019 (modern) starting rating: 1494
round table opponent (rating) result Δrating
2modern 104 Gutesa, David (1571) Won 2-0 +201514
3modern 25 Pincelli, Felipe (1699) Lost 1-2 -151499
4modern 275 Freitas Souza, Danillo (1466) Won 2-1 +171516
5modern 81 Pereira, Bruno Cesar (1545) Lost 0-2 -171499
6modern 309 Oliveira Da Rocha, Gustavo Henrique (1518) Won 2-1 +181517
7modern 233 Ferrari, Bruno (1507) Won 2-0 +181535
8modern 172 Lopes Mesquita, Bruno (1585) Won 2-1 +191554
9modern 60 Nuijten, Julien (2030) Lost 0-2 -101544
top average opponent: 1615record: 5-3 new rating: 1544

Grand Prix Sao Paulo 2018 (modern) starting rating: 1513
round table opponent (rating) result Δrating
2modern 276 Ribeiro Graciano, Rafael (1504) Lost 0-2 -191494
3modern 404 Arnaldo Ferreira Xavier, Antonio (1487) Won 2-0 +181512
4modern 159 Gallina, Bruno (1467) Won 2-1 +171529
5modern 129 Mussa Barbera Filho, Luiz Carlos (1565) Lost 0-2 -171512
6modern 376 Cardoso, Thiago (1515) Lost 1-2 -181494
top average opponent: 1507record: 2-3 new rating: 1494

Grand Prix Sao Paulo 2017 (modern) starting rating: 1500
round table opponent (rating) result Δrating
2modern 259 Rogieri Caffaro, Rene (1517) Won 2-0 +181518
3modern 191 Carvalho, Pedro (1814) Won 2-1 +241542
4modern 51 Levi Constancio Da Silva, Carlos (1542) Won 2-0 +181560
5modern 433 Fehr, Gabriel (1854) Lost 1-2 -131547
6modern 102 Valle, Thiago (1555) Won 2-1 +181565
7modern 64 Freitas, Hugo (1578) Lost 0-2 -181547
8modern 60 Coraiola, Gustavo (1620) Lost 0-2 -171530
9modern 200 Luis Arrieta Concha, Jose (1533) Lost 0-2 -171513
top average opponent: 1627record: 4-4 new rating: 1513