Santos, Robert
Current rating: 1487
Record: 8-9
| Grand Prix Portland 2018 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 559 | Figgins, Devin (1645) | Lost 0-2 | -151507 |
| 2modern | 518 | Rautenbach, Nicky (1374) | Lost 1-2 | -211486 |
| 3modern | 844 | Raggett, Joe (1463) | Won 2-0 | +181504 |
| 4modern | 635 | Alonzo, Fabian (1427) | Won 2-1 | +161520 |
| 5modern | 640 | Vasudevan, Kaushik (1457) | Won 2-0 | +171537 |
| 6modern | 249 | Lu, Robert (1616) | Lost 0-2 | -161521 |
| 7modern | 401 | Kiyonaga, Adam (1375) | Lost 0-2 | -211500 |
| 8modern | 364 | Rosellini, Jason (1759) | Lost 0-2 | -131487 |
| average opponent: 1514record: 3-5 | new rating: 1487 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 603 | Gutierrez, Kenneth (1500) | Won 2-0 | +181518 |
| 2sealed | 66 | Young, Pete (1581) | Lost 0-2 | -171501 |
| 3sealed | 613 | Styskal, Matthew (1667) | Lost 1-2 | -151486 |
| 4sealed | 793 | Lin, Steve (1482) | Won 2-1 | +181504 |
| 5sealed | 532 | Wang, Karen (1498) | Won 2-0 | +181522 |
| 6sealed | 493 | Yeh, Kenneth (1509) | Won 2-1 | +181540 |
| 7sealed | 310 | Ramondt, Steven (1535) | Lost 1-2 | -181522 |
| 8sealed | 318 | Cahalan, Liam (1556) | Won 2-1 | +181540 |
| 9sealed | 225 | Bartenslager, James (1547) | Lost 1-2 | -181522 |
| average opponent: 1542record: 5-4 | new rating: 1522 | |||