Yandrofski, Seth
Current rating: 1477
Record: 27-32-2
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 78 | Dreher, Gregory (1467) | Won 2-1 | +181471 |
| 4legacy | 26 | Hayes, Robert (1679) | Lost 1-2 | -141457 |
| 5legacy | 152 | Nguyen, Mitchell (1845) | Won 2-1 | +241481 |
| 6legacy | 39 | Raval, Mahendra (1856) | Lost 1-2 | -111470 |
| 7legacy | 154 | Krenik, Alex (1754) | Won 2-1 | +231493 |
| 8legacy | 58 | Waller, Ozzie (1601) | Lost 0-2 | -161477 |
| top | average opponent: 1700record: 3-3 | new rating: 1477 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 17 | York, Liam (1516) | Lost 0-2 | -181506 |
| 3modern | 589 | Sexton, Stefan (1498) | Lost 1-2 | -181488 |
| 4modern | 598 | Gonzalez, Christian (1535) | Lost 1-2 | -171471 |
| 5modern | 638 | Miranda, Anthony (1464) | Won 2-0 | +181489 |
| 6modern | 529 | Lawrence, Adam (1483) | Lost 0-2 | -181471 |
| 7modern | 469 | Glauster, Roberto (1462) | Lost 1-2 | -181453 |
| top | average opponent: 1493record: 1-5 | new rating: 1453 | ||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 169 | Snyder, Bennett (1789) | Lost 0-2 | -131464 |
| 2legacy | 203 | Casey, Patrick (1536) | Lost 0-2 | -161448 |
| 3legacy | 367 | Blum, Luke (1556) | Lost 1-2 | -161432 |
| 4legacy | 398 | Noble, Shawn (1445) | Won 2-0 | +181450 |
| 5legacy | 362 | Lesko, Ryan (1561) | Won 2-1 | +201470 |
| 6legacy | 291 | Bedell, Rodney (1548) | Won 2-1 | +191489 |
| 7legacy | 226 | Bowery, Daniel (1510) | Won 2-0 | +191508 |
| 8legacy | 155 | Berry, William (1444) | Won 2-0 | +161524 |
| top | average opponent: 1549record: 5-3 | new rating: 1524 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 389 | Combrink, James (1513) | Draw 1-1 | 01512 |
| 4modern | 2132 | Macy, Kyle (1448) | Won 2-0 | +161528 |
| 5modern | 215 | Martinez, Emmanuel (1524) | Lost 0-2 | -181510 |
| 6modern | 466 | Solis, Carlos (1544) | Lost 0-2 | -171493 |
| 7modern | 720 | Johnson, Anthony (1589) | Lost 0-2 | -161477 |
| top | average opponent: 1523record: 1-3-1 | new rating: 1477 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 42 | Iaali, Christopher (1563) | Lost 0-2 | -181551 |
| 4modern | 636 | Olivieri, Daniel (1471) | Won 2-0 | +171568 |
| 5modern | 460 | Smith, Dean (1487) | Lost 1-2 | -201548 |
| 6modern | 573 | Glenn, Brian (1485) | Lost 1-2 | -191529 |
| 7modern | 645 | Eagle, Matthew (1552) | Lost 0-2 | -171512 |
| top | average opponent: 1512record: 1-4 | new rating: 1512 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 192 | Lui, Christopher (1518) | Won 2-0 | +181508 |
| 3standard | 124 | Pei, Joseph (1735) | Lost 0-2 | -141494 |
| 4standard | 373 | Osbeck, Erik (1490) | Won 2-0 | +181512 |
| 5standard | 336 | Linder, Jerry (1535) | Won 2-1 | +191531 |
| 6standard | 148 | Jaimes, Brishen (1457) | Won 2-0 | +161547 |
| 7standard | 89 | Oliver, Neal (1957) | Won 2-1 | +251572 |
| 8standard | 62 | Hu, Shengling (1685) | Won 2-0 | +211593 |
| 9standard | 16 | Wolloch, Sam (1670) | Draw 1-1 | +11594 |
| 10standard | 31 | Davila, David (1529) | Won 2-0 | +171611 |
| 11standard | 17 | Freerksen, Sheldon (1762) | Lost 0-2 | -161595 |
| 12standard | 45 | Peng, Tianjian (1610) | Lost 1-2 | -171578 |
| 13standard | 89 | Gu, Jian (1802) | Won 2-0 | +221600 |
| 14standard | 57 | Carson, Erik (1759) | Lost 0-2 | -151585 |
| 15standard | 84 | Smith, Evan (1736) | Lost 0-2 | -161569 |
| top | average opponent: 1660record: 8-5-1 | new rating: 1569 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 510 | Xiong, Xiaobo (1500) | Won 2-1 | +181524 |
| 2legacy | 435 | Conwell, Rory (1519) | Lost 1-2 | -181506 |
| 3legacy | 624 | Klein, Zachary (1550) | Lost 1-2 | -171489 |
| 4legacy | 784 | Lohr, Corbin (1528) | Won 2-0 | +181507 |
| 5legacy | 669 | Mlinac, Chris (1399) | Won 2-1 | +161523 |
| 6legacy | 399 | Fitzpatrick, Sean (1575) | Lost 1-2 | -171506 |
| 7legacy | 477 | Ricci, Joseph (1589) | Lost 0-2 | -161490 |
| top | average opponent: 1523record: 3-4 | new rating: 1490 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | White, Charles (1500) | Won 1-0 | +181541 |
| 2sealed | 256 | Davis, Josh (1600) | Lost 1-2 | -171524 |
| 3sealed | 283 | Ahmed, Syed (1518) | Lost 0-2 | -181506 |
| top | average opponent: 1539record: 1-2 | new rating: 1506 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1587 | Crone, Ian (1535) | Won 2-0 | +191519 |
| 2legacy | 1662 | Tinney, Bradley (1816) | Lost 0-2 | -131506 |
| 3legacy | 1795 | Anderson, Travis (1430) | Won 2-1 | +171523 |
| 4legacy | 1773 | Foley, Dennis (1553) | Lost 1-2 | -181505 |
| 5legacy | 1732 | Jones, Madalyn (1479) | Won 2-0 | +181523 |
| 6legacy | 1710 | Cox, Paul (1501) | Won 2-1 | +171540 |
| 7legacy | 1605 | Delano, Jonathan (1607) | Lost 0-2 | -171523 |
| top | average opponent: 1560record: 4-3 | new rating: 1523 | ||