Krotz, Joshua
Current rating: 1529
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 38 | Cheung, Raymond (1840) | Lost 1-2 | -131506 |
| 4standard | 228 | Boutin, Nathaniel (1712) | Lost 0-2 | -141492 |
| 5standard | 208 | Caramenico, Phillip (1479) | Won 2-1 | +181510 |
| 6standard | 157 | Maughan, Cole (1523) | Won 2-0 | +181528 |
| 7standard | 121 | Axtell, Matthew (1551) | Lost 0-2 | -181510 |
| 8standard | 145 | Kipple, Sean (1532) | Won 2-0 | +191529 |
| top | average opponent: 1606record: 3-3 | new rating: 1529 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 208 | Godin Jr, Jeffrey (1500) | Won 2-0 | +171537 |
| 2modern | 229 | Noyce, Charles (1527) | Won 2-1 | +181555 |
| 3modern | 168 | Chen, Gregory (1542) | Lost 1-2 | -181537 |
| 4modern | 409 | Quirke, Ethan (1473) | Won 2-1 | +171554 |
| 5modern | 383 | Hall, Zack (1638) | Lost 0-2 | -171537 |
| 6modern | 399 | Roberson, Rameal (1496) | Lost 1-2 | -181519 |
| top | average opponent: 1529record: 3-3 | new rating: 1519 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 393 | Lopez, Michael (1555) | Won 2-0 | +191519 |
| 2standard | 348 | Whitlow, Jonathan (1460) | Won 2-0 | +171536 |
| 3standard | 311 | Appleton, Evan (1491) | Lost 0-2 | -191517 |
| 4standard | 382 | Aldrich, Joshua (1505) | Lost 0-2 | -181499 |
| 5standard | 467 | Conlon, Anthony (1426) | Won 2-0 | +171516 |
| 6standard | 479 | Schnayer, David (1779) | Won 2-0 | +221538 |
| 7standard | 212 | Quicano, Luis (1507) | Lost 1-2 | -181520 |
| top | average opponent: 1532record: 4-3 | new rating: 1520 | ||