Groves, Zachary
Current rating: 1468
Record: 9-12-1
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 418 | Gibbons, Jonas (1494) | Won 2-1 | +181472 |
| 2modern | 211 | Layton, Chris (1492) | Lost 1-2 | -171455 |
| 3modern | 1221 | Taylor, Brendan (1431) | Won 2-0 | +171472 |
| 4modern | 646 | Anderson, Todd (1934) | Won 2-0 | +261498 |
| 5modern | 258 | Nguyen, Henry (1585) | Lost 1-2 | -161482 |
| 6modern | 609 | Perez, Alex (1574) | Lost 0-2 | -171465 |
| 7modern | 1009 | Cornett, Thomas (1572) | Won 2-0 | +201485 |
| 8modern | 734 | McArtor, Brad (1519) | Lost 0-2 | -171468 |
| top | average opponent: 1575record: 4-4 | new rating: 1468 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 347 | Wang, Wenjuan (1500) | Lost 1-2 | -181469 |
| 2legacy | 518 | Demute, Mike (1445) | Won 2-1 | +171486 |
| 3legacy | 912 | Long, Noah (1672) | Won 2-0 | +221508 |
| 4legacy | 357 | Chow, Harold (1521) | Draw 1-1 | 01508 |
| 5legacy | 590 | Harding, Timothy (1482) | Lost 0-2 | -191489 |
| 6legacy | 768 | Ogreenc, Greg (1595) | Lost 1-2 | -161473 |
| 7legacy | 2165 | Mohr, Mike (1374) | Lost 1-2 | -191454 |
| top | average opponent: 1513record: 2-4-1 | new rating: 1454 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 306 | Miller, Brice (1500) | Won 2-1 | +181518 |
| 2modern | 372 | Davis, Katherine (1489) | Lost 1-2 | -191499 |
| 3modern | 479 | Kruger, Jeremy (1525) | Lost 1-2 | -171482 |
| 4modern | 874 | Adams, Cody (1500) | Won 2-1 | +181500 |
| 5modern | 475 | Sala, Ryan (1771) | Lost 0-2 | -131487 |
| 6modern | 681 | Tiger, Joshua (1485) | Won 2-0 | +181505 |
| 7modern | 581 | Perez, Brian (1476) | Lost 0-2 | -181487 |
| top | average opponent: 1535record: 3-4 | new rating: 1487 | ||