Castro, Joseph
Current rating: 1567
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 65 | Garcia, Eduardo (1461) | Won 2-1 | +161568 |
| 2standard | 26 | Pham, Matthew (1502) | Won 2-0 | +171585 |
| 3standard | 249 | Ma, Jonathan (1688) | Won 2-1 | +201605 |
| 4standard | 107 | Cua, Paolo (1558) | Lost 1-2 | -191586 |
| 5standard | 250 | Hui, Brandon (1536) | Won 2-0 | +171603 |
| 6standard | 151 | Oaks, Austin (1557) | Lost 0-2 | -191584 |
| 7standard | 299 | Cruz, Dominick (1525) | Won 2-1 | +171601 |
| 8standard | 167 | Angelin, Marcus (1785) | Lost 0-2 | -151586 |
| 9standard | 166 | Ballardo, David (1513) | Lost 0-2 | -191567 |
| top | average opponent: 1570record: 5-4 | new rating: 1567 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 338 | Jacobsmeyer, Jimmy (1507) | Lost 0-2 | -191556 |
| 3sealed | 325 | Meza, Ezekiel (1483) | Won 2-1 | +171573 |
| 4sealed | 256 | Seed, Athen (1518) | Won 2-0 | +171590 |
| 5sealed | 130 | Hodgson, Jude (1535) | Lost 0-2 | -191571 |
| 6sealed | 232 | Weeke, John (1516) | Lost 0-2 | -191552 |
| top | average opponent: 1512record: 2-3 | new rating: 1552 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 348 | Bowles, Nicholas (1500) | Won 2-0 | +181518 |
| 2standard | 20 | Ball, Justin (1518) | Won 2-0 | +181536 |
| 3standard | 20 | Piles, James (1537) | Won 2-0 | +181554 |
| 4standard | 56 | Bruggman, Beaux (1613) | Won 2-0 | +191573 |
| 5standard | 45 | Chapin, Patrick (2026) | Lost 0-2 | -101563 |
| 6standard | 208 | Ruiz, Leonardo (1407) | Won 2-1 | +151578 |
| 7standard | 106 | Phillips, Dimitri (1513) | Won 2-0 | +171595 |
| 8standard | 18 | Zizzo, Anthony (1583) | Lost 1-2 | -181577 |
| 9standard | 88 | Labruna, Leonardo (1688) | Won 2-1 | +201597 |
| 10standard | 54 | Smith, Robert RC (1904) | Lost 0-2 | -131584 |
| 11standard | 89 | Lozano, Andrew (1608) | Won 2-0 | +181602 |
| 12standard | 53 | Wu, Steven S. (1569) | Lost 0-2 | -181584 |
| 13standard | 74 | McLaren, Shaun (2145) | Lost 1-2 | -91575 |
| top | average opponent: 1662record: 8-5 | new rating: 1575 | ||