Merz, Clayton
Current rating: 1474
Record: 27-31-1
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 123 | Yoo, Eric (1518) | Won 2-0 | +201437 |
| 2standard | 65 | Boykowich, Dylan (1830) | Won 2-1 | +251462 |
| 3standard | 109 | Chen, Tzu-Mainn (1588) | Lost 0-0 | -161446 |
| 4standard | 121 | Major, Michael (1419) | Won 2-0 | +171463 |
| 5standard | 78 | Himes, James (1539) | Lost 0-2 | -161447 |
| 6standard | 93 | Asbjornsen, Chad (1668) | Won 2-1 | +221469 |
| 7standard | 59 | Pordes, Casey (1691) | Lost 0-2 | -141455 |
| 8standard | 118 | Due, Tyler (1525) | Won 2-0 | +191474 |
| top | average opponent: 1597record: 5-3 | new rating: 1474 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 365 | Chao, Christopher (1497) | Lost 0-2 | -171428 |
| 3modern | 700 | Bishop, David (1489) | Won 2-1 | +191447 |
| 4modern | 296 | Munck, Jon (1693) | Lost 0-2 | -131434 |
| 5modern | 408 | Fauth, Sam (1500) | Lost 0-2 | -171417 |
| top | average opponent: 1545record: 1-3 | new rating: 1417 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 51 | Nichols, Markus (1500) | Lost 0-2 | -181500 |
| 3standard | 511 | Merrifield, Patrick (1500) | Lost 1-2 | -181482 |
| 4standard | 600 | Moss, Stephen (1451) | Draw 1-1 | -11481 |
| 5standard | 616 | Ward, Jewlian (1481) | Lost 0-2 | -181463 |
| 6standard | 654 | Huey, Jonah (1461) | Lost 0-2 | -181445 |
| top | average opponent: 1479record: 0-4-1 | new rating: 1445 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 660 | Alison, Peter (1604) | Lost 0-2 | -161484 |
| 2modern | 667 | Niren, Gary (1482) | Won 2-1 | +171501 |
| 3modern | 572 | Li, Scott (1528) | Won 2-1 | +191520 |
| 4modern | 380 | Chen, Cliff (1596) | Lost 1-2 | -171503 |
| 5modern | 794 | Hernandez, Luis (1432) | Lost 1-2 | -191484 |
| 6modern | 734 | Zhang, Bryan (1485) | Won 2-0 | +181502 |
| 7modern | 654 | Kalbus, Kurt (1395) | Won 2-1 | +161518 |
| 8modern | 399 | Copeland, Michael (1521) | Lost 1-2 | -181500 |
| 9modern | 508 | Roell, Matthew (1501) | Won 2-1 | +181518 |
| top | average opponent: 1505record: 5-4 | new rating: 1518 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 620 | Bowen, Jacob (1500) | Won 2-1 | +181509 |
| 2legacy | 273 | Parente, Justin (1795) | Lost 0-2 | -131496 |
| 3legacy | 575 | Hoke, Morgan (1483) | Lost 0-2 | -181478 |
| 4legacy | 744 | Morrill, Ken (1480) | Won 2-0 | +181496 |
| 5legacy | 586 | Scheibel, James (1494) | Won 2-0 | +181514 |
| 6legacy | 406 | Fehling, Patrick (1715) | Lost 0-2 | -141500 |
| top | average opponent: 1578record: 3-3 | new rating: 1500 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 264 | Osenbach, Reuben (1522) | Won 2-0 | +191508 |
| 2modern | 98 | Robbins, Casey (1485) | Won 2-0 | +181526 |
| 3modern | 82 | Burris, Christopher (1542) | Lost 0-2 | -181508 |
| 4modern | 182 | Rutherford, Brad (1584) | Lost 1-2 | -171491 |
| 5modern | 327 | Ouano, Jeff (1416) | Won 2-0 | +171508 |
| 6modern | 264 | Holden, Russell (1684) | Lost 0-2 | -151493 |
| 7modern | 248 | Eggleston, Brian (1504) | Won 2-0 | +181511 |
| 8modern | 167 | Wilkerson, Joseph (1385) | Lost 0-2 | -201491 |
| top | average opponent: 1515record: 4-4 | new rating: 1491 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 277 | Thorson, Jim (1428) | Won 2-0 | +181467 |
| 2sealed | 105 | Brown, Derek M (1518) | Won 2-0 | +191486 |
| 3sealed | 146 | Elvigan, Jeff (1536) | Won 2-0 | +191505 |
| 4sealed | 71 | Reynolds, David (1501) | Won 2-1 | +181523 |
| 5sealed | 73 | Wilkerson, Joseph (1532) | Lost 1-2 | -181505 |
| 6sealed | 142 | Drumm, Colin A (1552) | Lost 0-2 | -171488 |
| 7sealed | 181 | Locascio, Joseph (1532) | Won 2-0 | +191507 |
| 8sealed | 70 | Vonderahe, Lawrence Th (1552) | Lost 1-2 | -181489 |
| top | average opponent: 1519record: 5-3 | new rating: 1489 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 141 | Bankman-Fried, Sam (1536) | Lost 0-2 | -171466 |
| 2extended | 296 | Gibbs, Edward (1482) | Lost 0-2 | -181448 |
| 3extended | 311 | Chan, William (1462) | Won 2-0 | +181466 |
| 4extended | 307 | Courtney, Adam (1483) | Lost 1-2 | -181448 |
| 5extended | 316 | Kim, Erick (1469) | Won 2-0 | +191467 |
| 6extended | 245 | Cheung, Canon (1496) | Lost 0-1 | -181449 |
| top | average opponent: 1488record: 2-4 | new rating: 1449 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 59 | Janz, Carl (1558) | Lost 1-2 | -171483 |
| 2standard | 366 | Brown, Damion (1482) | Won 2-1 | +181501 |
| 3standard | 327 | Heard, Jaron (1500) | Lost 0-2 | -181483 |
| 4standard | 494 | Arehart, Daniel (1464) | Lost 1-2 | -181465 |
| 5standard | 451 | Roegge, Johnathan (1463) | Won 2-0 | +181483 |
| top | average opponent: 1493record: 2-3 | new rating: 1483 | ||