Siqueira, Tales
Current rating: 1555
Record: 11-9
| Regional Championships Sao Paulo 2023 Cycle 3 (pioneer) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 19 | Antunes, Jonas (1414) | Lost 0-2 | -221599 |
| 2pioneer | 48 | Kamada, Vitor (1491) | Won 2-1 | +161615 |
| 3pioneer | 25 | Lessa, Ismael (1497) | Lost 1-2 | -201595 |
| 4pioneer | 56 | Bonfim, Jose Paulo (1491) | Lost 1-2 | -201575 |
| 5pioneer | 64 | Rocha, Bruno [BRA] (1471) | Lost 0-2 | -201555 |
| average opponent: 1473record: 1-4 | new rating: 1555 | |||
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| A1standard | 49 | Cabral Barbosa Dias, Denis (1396) | Won 2-0 | +161516 |
| A2standard | 12 | Sousa Rodrigues, Jose Geraldo (1521) | Lost 0-2 | -181498 |
| A3standard | 78 | Pacheco, Marco Tulio (1499) | Won 2-0 | +181516 |
| A4standard | 83 | Anaice Cordeiro, Abalem Ricardo (1517) | Won 2-0 | +181534 |
| A5standard | 44 | Macedo, Felippe (1475) | Won 2-1 | +171551 |
| A6standard | 20 | Costa, Luiz (1609) | Won 2-1 | +191570 |
| A7standard | 7 | Appel, Eder Vlamir (1716) | Won 2-0 | +211591 |
| A8standard | 6 | da Fonseca, Bruno (1882) | Won 2-0 | +231614 |
| standard | 11 | Silva Neto, Luiz (1810) | Won 2-0 | +221636 |
| standard | 3 | Frischknecht, Rodrigo (1696) | Won 2-0 | +191655 |
| standard | 1 | Ramos Modesto, Danilo (2067) | Lost 0-2 | -111644 |
| standard | 5 | Arntz, Estevao Rudi (1678) | Won 2-1 | +181662 |
| standard | 4 | Rodrigues Cavalcante, Marcelo (1746) | Lost 0-2 | -161646 |
| standard | 5 | Casassanta, Thiago (2014) | Lost 1-2 | -121634 |
| standard | 10 | Reis, Bernardo (1873) | Lost 0-2 | -131621 |
| average opponent: 1700record: 10-5 | new rating: 1621 | |||