Hirotsu, Darien
Current rating: 1548
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 5 | Graziano, Gino (1500) | Won 2-0 | +191498 |
| 2sealed | 166 | Vanderploeg, Eric (1518) | Won 2-0 | +181516 |
| 3sealed | 162 | Miller, Michael 6200 (1536) | Lost 0-2 | -181498 |
| 4sealed | 338 | Olea Garcia, Alejandro (1643) | Won 2-0 | +211519 |
| 5sealed | 154 | Hennig, Eric (1496) | Won 2-1 | +181537 |
| 6sealed | 75 | Cheung, Raymond (1869) | Won 2-0 | +241561 |
| 7sealed | 106 | Westphal, Jesse (1581) | Draw 1-1 | 01561 |
| 8sealed | 74 | Burgener, Tim (1635) | Won 2-0 | +191580 |
| 9sealed | 43 | Blocher, David (1593) | Won 2-0 | +191599 |
| 10draft | 341 | Inoue, Toru (2076) | Lost 0-2 | -101589 |
| 11draft | 316 | Dooley, James (1634) | Won 2-0 | +181607 |
| 12draft | 287 | Troiano, Francesco (1770) | Lost 1-2 | -151592 |
| 13draft | 370 | Xiong, Koua (1619) | Lost 1-2 | -171575 |
| 14draft | 344 | Kowalski, Grzegorz (2111) | Lost 0-2 | -91566 |
| 15draft | 286 | Hubbard, Evyn (1582) | Lost 0-2 | -181548 |
| top | average opponent: 1678record: 8-6-1 | new rating: 1548 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 261 | Dillon, Jefferson (1682) | Lost 0-2 | -141468 |
| 2sealed | 490 | Musgrave, Joe (1467) | Lost 0-2 | -181450 |
| 3sealed | 524 | Seaton, Carl (1483) | Won 2-0 | +181468 |
| 4sealed | 468 | Rueckl, Joey (1534) | Won 2-0 | +201488 |
| 5sealed | 362 | Antonovich, Darren (1478) | Won 2-1 | +171505 |
| 6sealed | 333 | Maples, Zechariah (1731) | Lost 0-2 | -131492 |
| 7sealed | 309 | Kassari, John (1825) | Lost 1-2 | -131479 |
| top | average opponent: 1600record: 3-4 | new rating: 1479 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 622 | Nguyen, Thomas (1471) | Won 2-1 | +171517 |
| 2sealed | 331 | Henson, Michael (1775) | Won 2-0 | +231540 |
| 3sealed | 196 | Pang, Siteng (1618) | Lost 0-2 | -171523 |
| 4sealed | 472 | Baker, Brandon (1483) | Lost 1-2 | -181505 |
| 5sealed | 540 | Valletta, Haley (1499) | Lost 0-2 | -181487 |
| 6sealed | 679 | Pospischil, Mark (1483) | Lost 0-2 | -181469 |
| 7sealed | 646 | Mai, John (1478) | Draw 1-1 | 01469 |
| 8sealed | 548 | Howard Mullan, Virginia (1299) | Won 2-0 | +151484 |
| 9sealed | 452 | McCrone, Chelsea (1407) | Draw 1-1 | -21482 |
| top | average opponent: 1501record: 3-4-2 | new rating: 1482 | ||