Justo, Ruben
Current rating: 1642
Record: 23-15
| Grand Prix Bologna 2019 (legacy) | starting rating: 1642 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 113 | Reynaert, Michel (1435) | Won 2-0 | +141656 |
| 2legacy | 171 | Ziolkiewicz, Marek (1517) | Won 2-0 | +151671 |
| 3legacy | 293 | Caresta, Ivan (1536) | Won 2-1 | +161687 |
| 4legacy | 83 | Bender, Carl-Benedikt (1561) | Lost 1-2 | -201667 |
| 5legacy | 275 | Minelli, Marco Giuseppe (1531) | Won 2-1 | +151682 |
| 6legacy | 177 | Buecker, Dennis (1555) | Lost 0-2 | -201662 |
| 7legacy | 256 | Creazza, Antonio (1540) | Lost 0-1 | -201642 |
| top | average opponent: 1525record: 4-3 | new rating: 1642 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 357 | Liewendahl, Christopher (1784) | Won 2-1 | +231523 |
| 2legacy | 235 | Verbeek, Maarten (1518) | Lost 0-2 | -181505 |
| 3legacy | 430 | Mottram, Peter (1526) | Won 2-0 | +181523 |
| 4legacy | 286 | Aaslet, Jonas (1495) | Won 2-0 | +181541 |
| 5legacy | 97 | Allen, James [ENG] (1502) | Won 2-0 | +171558 |
| 6legacy | 75 | Ballestin, Daniel (1823) | Lost 0-2 | -131545 |
| 7legacy | 192 | Woodleigh, Mike (1449) | Won 2-1 | +161561 |
| 8legacy | 96 | Hyytiainen, Lucas (1542) | Won 2-0 | +171578 |
| 9legacy | 5102 | Rizzi, Mattia (1837) | Lost 1-2 | -131565 |
| 10legacy | 5098 | Mehew, Connor (1651) | Won 2-0 | +201585 |
| 11legacy | 5067 | Matteazzi, Alex (1505) | Lost 1-2 | -201565 |
| 12legacy | 5093 | Poschet, Elmar (1549) | Won 2-0 | +181583 |
| 13legacy | 5033 | De Keyzer, Frederik (1470) | Won 2-0 | +161599 |
| 14legacy | 5060 | Lossett, Joe (1789) | Won 2-0 | +211620 |
| 15legacy | 5043 | Schulhof, Leo (1804) | Won 2-1 | +221642 |
| top | average opponent: 1616record: 11-4 | new rating: 1642 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Colorado, Juan Carlos (1500) | Won 2-1 | +181517 |
| 2sealed | 150 | Diaz, Ricardo [ESP] (1545) | Lost 1-2 | -171500 |
| 3sealed | 150 | Crespo Molera, Enrique (1499) | Won 2-1 | +181518 |
| 4sealed | 159 | Alvarez Cobo, Fernando (1518) | Lost 0-2 | -181500 |
| top | average opponent: 1516record: 2-2 | new rating: 1500 | ||
| Grand Prix Barcelona 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Vela, Alvaro (1487) | Lost 1-2 | -181482 |
| 2sealed | 195 | Gonzalez, Sergio 1533 (1481) | Won 2-0 | +181500 |
| 3sealed | 215 | Barcelo, Ramon (1497) | Won 2-1 | +181518 |
| 4sealed | 124 | Romero, Gabriel (1518) | Won 2-0 | +181536 |
| 5sealed | 122 | Fernandes, Duarte (1514) | Lost 1-2 | -191517 |
| 6sealed | 175 | Canas, Josep (1517) | Lost 0-2 | -181499 |
| top | average opponent: 1502record: 3-3 | new rating: 1499 | ||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Goncalves, Luis1 (1500) | Won 1-0 | +181518 |
| 2sealed | 147 | Marques, Ricardo (1518) | Won 2-1 | +181536 |
| 3sealed | 25 | Fedriga, Stefano (1533) | Lost 0-2 | -181518 |
| 4sealed | 125 | Vegas, Hector (1519) | Won 0-0 | +181536 |
| 5sealed | 89 | Sousa, Rafael (1536) | Lost 1-2 | -181518 |
| 6sealed | 107 | Guimaro, Mauro (1514) | Lost 0-2 | -181500 |
| top | average opponent: 1520record: 3-3 | new rating: 1500 | ||