Santos, Joao
Current rating: 1581
Record: 16-13-2
| MagicCon Barcelona 2023 Limited Open (LTR limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3178 | Petursson, Aron Freyr (1626) | Lost 0-2 | -181570 |
| 2sealed | 3186 | Carretta, Michele (1522) | Lost 0-2 | -191551 |
| 3sealed | 3172 | Martin, Ricardo (1469) | Won 2-0 | +171568 |
| 4sealed | 3154 | Portillo, Edgar (1399) | Lost 0-2 | -211547 |
| 5sealed | 3146 | Torres, Odei (1444) | Won 2-0 | +161563 |
| 6sealed | 3116 | Lecourt, Julien (1491) | Won 2-1 | +171580 |
| 7sealed | 3080 | Paco Abenoza, Aria (1788) | Lost 0-2 | -151565 |
| 8sealed | 3089 | Smole, Brin (1447) | Won 2-0 | +161581 |
| top | average opponent: 1523record: 4-4 | new rating: 1581 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 137 | Errerias, Caio Vinicius (1636) | Won 2-0 | +211468 |
| 2modern | 155 | Pettersen Forattini, Matheus (1601) | Won 2-0 | +201488 |
| 3modern | 39 | Santana, Mauricio Akira (1536) | Won 2-0 | +191507 |
| 4modern | 21 | Pattaro, Eloi Ugo (1824) | Won 2-1 | +241531 |
| 5modern | 46 | Costa, Sergio [BRA] (1773) | Draw 1-1 | +41535 |
| 6modern | 26 | Araujo, Emerson (1587) | Won 2-1 | +191554 |
| 7modern | 13 | Betmann, Vitor (1594) | Won 2-1 | +191573 |
| 8modern | 7 | Sa, Wladimir (1626) | Lost 0-2 | -171556 |
| 9modern | 26 | Dannemann, Joao Manoel (1665) | Won 2-0 | +201576 |
| 10modern | 15 | Miguel, Jeziel Albuquerque (1594) | Lost 0-2 | -181558 |
| 11modern | 38 | Pedro Vasku Santos, Joao (1593) | Won 2-0 | +191577 |
| 12modern | 24 | De Chagas Marques, Leo Macklene (1584) | Lost 0-2 | -181559 |
| 13modern | 51 | Sambiase, Andre (1592) | Won 2-1 | +181577 |
| 14modern | 31 | Melamed, Jonathan (1997) | Lost 0-2 | -101567 |
| 15modern | 53 | Castro Saa, Eduardo (1728) | Won 2-1 | +211588 |
| top | average opponent: 1662record: 10-4-1 | new rating: 1588 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 435 | lima, samuel (1500) | Won 2-1 | +191481 |
| 2modern | 21 | Hage, Matthieu (1569) | Draw 1-1 | +11482 |
| 3modern | 446 | Garcia Campo, Javier Endika (1536) | Lost 0-2 | -171465 |
| 4modern | 607 | Duijn, Rik (1432) | Lost 0-2 | -181447 |
| top | average opponent: 1509record: 1-2-1 | new rating: 1447 | ||
| Grand Prix Madrid 2008 (EVE limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Caceres, Antonio (1500) | Lost 1-2 | -181482 |
| 2sealed | 231 | Gonzalez, Alberto (1481) | Won 2-0 | +181500 |
| 3sealed | 263 | Fernandes, Vanessa (1451) | Lost 1-2 | -191481 |
| 4sealed | 241 | Aguilar, Ruben (1411) | Lost 1-2 | -191462 |
| top | average opponent: 1461record: 1-3 | new rating: 1462 | ||