Garsten, Niall
Current rating: 1606
Record: 30-25
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 68 | Wolten, James (1486) | Won 2-1 | +151633 |
| 2pioneer | 148 | Vanderlan, Ralph (1518) | Won 2-1 | +161649 |
| 3pioneer | 31 | Brill, Steven (1584) | Won 2-0 | +171666 |
| 4pioneer | 117 | Brooks, Jacob (1565) | Won 2-0 | +161682 |
| 5pioneer | 45 | Mallick, Fezz (1652) | Lost 0-2 | -181664 |
| 6pioneer | 84 | Carleton-Barnes, Gabriel (1765) | Lost 1-2 | -171647 |
| 7pioneer | 118 | Eriksson, Kjell (1682) | Won 2-1 | +191666 |
| 8pioneer | 83 | Bazua, Cesar (1475) | Won 2-1 | +151681 |
| 9pioneer | 49 | Privitera, Gianluca (1680) | Lost 0-2 | -181663 |
| 10pioneer | 3068 | Jung, Theodore (1599) | Lost 0-2 | -201643 |
| 11pioneer | 3086 | Johnson, Nicolas (1617) | Lost 1-2 | -181625 |
| 12pioneer | 3095 | Seidl, Daniel (1601) | Lost 0-2 | -191606 |
| top | average opponent: 1602record: 6-6 | new rating: 1606 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 332 | DiGiacomo, Daniel (1405) | Won 2-1 | +151601 |
| 2modern | 20 | Taekema, Jordan (1552) | Won 2-1 | +171618 |
| 3modern | 112 | Liu, Helio (1572) | Won 2-1 | +171635 |
| 4modern | 108 | Scholar, Curtis (1649) | Won 2-0 | +181653 |
| 5modern | 31 | Knox, Nathaniel (1823) | Lost 0-2 | -151638 |
| 6modern | 71 | Hayden, Maxwell (1556) | Lost 1-2 | -191619 |
| 7modern | 126 | Benedetti, Antony (1623) | Won 2-0 | +181637 |
| 8modern | 66 | Lu, Junlin (1564) | Lost 0-2 | -191618 |
| top | average opponent: 1593record: 5-3 | new rating: 1618 | ||
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Worman, Christopher (1543) | Won 2-0 | +181559 |
| 2sealed | 150 | Pare, Jean-Michel (1790) | Lost 0-2 | -131546 |
| 3sealed | 427 | Sulak, Andrew (1625) | Lost 0-2 | -171529 |
| 4sealed | 391 | Black, Benjamin (1453) | Won 2-0 | +171546 |
| 5sealed | 424 | Pardee, Carolyn (1483) | Won 2-0 | +171563 |
| 6sealed | 299 | Laughlin, Pierson (1927) | Lost 1-2 | -121551 |
| 7sealed | 323 | Janasiewicz, Jason (1680) | Won 2-0 | +201571 |
| 8sealed | 279 | Kiefer, Jack (1813) | Won 2-1 | +231594 |
| 9sealed | 228 | Larsen, Christoffer (2150) | Won 2-0 | +271621 |
| 10draft | 110 | Wu, Steven (1514) | Lost 1-2 | -201601 |
| 11draft | 167 | Tran, Viet (1783) | Won 2-0 | +211622 |
| 12draft | 146 | De Silva, Travis (1732) | Lost 1-2 | -161606 |
| 13draft | 38 | Gates, Cody (1492) | Lost 0-2 | -201586 |
| top | average opponent: 1691record: 7-6 | new rating: 1586 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Brewster, Aaron (1507) | Won 2-0 | +191480 |
| 2sealed | 322 | Lucas, Alvin (1519) | Lost 0-2 | -171463 |
| 3sealed | 569 | Lawrence, Jamie (1695) | Lost 1-2 | -141449 |
| 4sealed | 599 | Hook, Ian (1467) | Won 2-1 | +181467 |
| 5sealed | 489 | Sanchez, Joseph (1332) | Won 2-0 | +161483 |
| 6sealed | 301 | Chen, Jeffrey (1509) | Lost 0-2 | -181465 |
| 7sealed | 562 | Fleisch, Aaron (1529) | Won 2-1 | +191484 |
| 8sealed | 475 | Mashak, Jacob (1524) | Won 2-1 | +191503 |
| 9sealed | 328 | Caitung, Rocky (1468) | Won 2-1 | +171520 |
| 10draft | 255 | Mitchell, Branson (1552) | Lost 1-2 | -171503 |
| 11draft | 119 | Keenan, Luke (1557) | Won 0-0 | +191522 |
| 12draft | 147 | Bindi, Bill (1548) | Won 2-0 | +181540 |
| 13draft | 41 | Moynihan, Dylan (1553) | Won 2-1 | +191559 |
| 14draft | 40 | Duong, Alvin (1598) | Lost 0-2 | -181541 |
| top | average opponent: 1526record: 9-5 | new rating: 1541 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 210 | Lee, William7525 (1497) | Lost 0-2 | -181482 |
| 2modern | 797 | Lopez Aranda, Manuel (1482) | Lost 1-2 | -181464 |
| 3modern | 1030 | Winther, Austin (1464) | Lost 1-2 | -181446 |
| 4modern | 1030 | Bullick, Kathleen (1362) | Won 2-1 | +161462 |
| 5modern | 876 | Stiegler, William (1467) | Won 2-0 | +191481 |
| 6modern | 726 | Barnum, Christopher (1471) | Won 2-1 | +171498 |
| 7modern | 738 | Tillman, Christopher (1421) | Lost 1-2 | -191479 |
| 8modern | 596 | Hinahon, Reimill (1492) | Lost 1-2 | -181461 |
| top | average opponent: 1457record: 3-5 | new rating: 1461 | ||