Barbosa, Cassio
Current rating: 1615
Record: 23-18-1
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 130 | Goncalves Dos Santos, Rodrigo (1775) | Lost 0-2 | -141504 |
| 2modern | 529 | Hattori, Fernando (1462) | Won 2-0 | +181522 |
| 3modern | 323 | Leite, Ricardo (1607) | Won 2-1 | +191541 |
| 4modern | 396 | Godoy, Juan Ignacio (1439) | Won 2-1 | +161557 |
| 5modern | 176 | Guarienti De Oliveira, Bruno (1636) | Won 2-1 | +201577 |
| 6modern | 83 | Marocci Santos, Tiago (1537) | Won 2-1 | +171594 |
| 7modern | 26 | Sinti, Aurelio (1523) | Lost 1-2 | -191575 |
| 8modern | 176 | das Dores, Abner (1528) | Won 2-0 | +171592 |
| 9modern | 91 | Vieira E Silva, Arthur (1586) | Won 2-1 | +181610 |
| 10modern | 67 | Casatti, Vagner William (1961) | Lost 0-2 | -121598 |
| 11modern | 59 | Venturin Junior, Andre (1546) | Lost 0-2 | -191579 |
| 12modern | 92 | De Amorim Pessoa, Leonardo (1610) | Lost 1-2 | -181561 |
| 13modern | 89 | Miranda, Claudio Henrique (1530) | Won 2-1 | +181579 |
| 14modern | 77 | Vaz, Lucas (1560) | Won 2-0 | +181597 |
| 15modern | 74 | Miom Maria, Eberton Henrique (1619) | Won 2-0 | +181615 |
| top | average opponent: 1595record: 10-5 | new rating: 1615 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 114 | Dognini, Jocinei (1500) | Won 2-0 | +191470 |
| 2modern | 24 | Lopes, Carlos (1500) | Won 2-0 | +181488 |
| 3modern | 238 | De Oliveira Tavares, Tiago (1442) | Lost 1-2 | -181470 |
| 4modern | 343 | Gobbetti, Thales (1520) | Won 2-0 | +181488 |
| 5modern | 126 | Balbino Salvador, Mateus (1470) | Won 2-0 | +181506 |
| 6modern | 79 | Aquino, Marvin (1580) | Won 2-0 | +191525 |
| 7modern | 26 | Tanabe, Rafael (1570) | Lost 0-2 | -171508 |
| 8modern | 146 | Nakamura Carneiro, Wellington (1562) | Won 2-0 | +191527 |
| 9modern | 54 | Karim Bueno, Alexandre (1513) | Won 2-1 | +181545 |
| 10modern | 65 | Garcia, Ignacio Javier (1725) | Lost 1-2 | -151530 |
| 11modern | 65 | Annahas, Amir (1676) | Won 2-0 | +211551 |
| 12modern | 32 | Salas, Juan (1588) | Won 2-1 | +191570 |
| 13modern | 42 | Alves, Guilherme (1577) | Lost 0-2 | -181552 |
| 14modern | 55 | Morales, Nicolas1004 (1597) | Lost 1-2 | -171535 |
| 15modern | 63 | Terreri, Marcelo (1598) | Lost 1-2 | -171518 |
| top | average opponent: 1561record: 9-6 | new rating: 1518 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 90 | Sousa, Gabriel9525 (1500) | Won 2-1 | +191465 |
| 2modern | 38 | Bittencourt Labres, Rafael (1518) | Won 2-1 | +191484 |
| 3modern | 143 | Turello, Maximiliano (1539) | Lost 1-2 | -171467 |
| 4modern | 159 | Melo, Eduardo (1518) | Won 2-1 | +181485 |
| 5modern | 152 | Goncalves Quadros, Dubes (1553) | Lost 0-2 | -161469 |
| 6modern | 119 | Conrado, Alexandre (1482) | Lost 1-2 | -181451 |
| top | average opponent: 1518record: 3-3 | new rating: 1451 | ||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 253 | Sampaio, Joao Vitor (1500) | Lost 0-2 | -181482 |
| 2standard | 282 | Zambon, Eduardo (1447) | Draw 1-1 | -11481 |
| 3standard | 247 | Siqueira, Vitor de Paiva (1473) | Lost 1-2 | -181463 |
| 4standard | 320 | Tramontini, Pedro (1465) | Won 2-0 | +181481 |
| 5standard | 259 | Morales, Ricardo (1517) | Lost 1-2 | -171464 |
| 6standard | 252 | Mansueto Pereira, Pedro Henrique (1447) | Lost 0-2 | -181446 |
| top | average opponent: 1475record: 1-4-1 | new rating: 1446 | ||