Colwell, Jack
Current rating: 1553
Record: 40-40-1
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 180 | Liberto, Lance (1507) | Won 2-1 | +171530 |
| 2legacy | 19 | Brady, Jeff (1528) | Lost 1-2 | -181512 |
| 3legacy | 363 | Pejoro, Abigail (1487) | Won 2-0 | +181530 |
| 4legacy | 277 | Helms, Ken (1437) | Won 2-1 | +161546 |
| 5legacy | 327 | Cowley, Nick (1470) | Won 2-1 | +171563 |
| 6legacy | 156 | Snyder, Bennett (1834) | Won 2-1 | +231586 |
| 7legacy | 61 | Hwang, Daniel (1684) | Lost 1-2 | -161570 |
| 8legacy | 227 | Morphis, James (1671) | Won 2-1 | +191589 |
| 9legacy | 1094 | Garner, Robert (1420) | Lost 1-2 | -211568 |
| 10legacy | 1135 | Alves Dos Santos, Matheus (1532) | Won 2-0 | +181586 |
| 11legacy | 1077 | Salvador Arnal, Guillem (1780) | Lost 0-2 | -151571 |
| 12legacy | 1121 | Raitano, Tristan (1570) | Lost 0-2 | -181553 |
| top | average opponent: 1577record: 7-5 | new rating: 1553 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 169 | Mccready, Kristopher (1522) | Won 2-0 | +191465 |
| 2legacy | 196 | Henry, Clayton (1518) | Won 2-0 | +191484 |
| 3legacy | 330 | Kvartek, Chris (1622) | Won 2-0 | +211505 |
| 4legacy | 103 | Berk, Bradley (1653) | Lost 0-2 | -161489 |
| 5legacy | 345 | Tappen, Shawn (1454) | Won 2-1 | +181507 |
| 6legacy | 294 | Tan, Lijia (1482) | Lost 1-2 | -191488 |
| 7legacy | 310 | Bilotto, Robert (1613) | Won 2-0 | +211509 |
| 8legacy | 148 | Cholewa, Marius (1565) | Lost 0-2 | -171492 |
| 9legacy | 262 | Noble, Mike (1655) | Won 2-1 | +211513 |
| top | average opponent: 1565record: 6-3 | new rating: 1513 | ||
| Grand Prix San Diego 2013 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 86 | Gutierrez, David (1483) | Lost 0-2 | -181461 |
| 3modern | 205 | Norris, Benjamin (1553) | Won 2-1 | +201481 |
| 4modern | 204 | Efigenio, Christopher (1518) | Draw 1-1 | 01481 |
| 5modern | 192 | Halol, Zal (1496) | Lost 0-2 | -171464 |
| 6modern | 41 | Clark, Jason (1483) | Lost 1-2 | -181446 |
| top | average opponent: 1507record: 1-3-1 | new rating: 1446 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 76 | Neal, Richard 2 (1437) | Won 2-0 | +191430 |
| 2legacy | 121 | Kattner, Craig (1481) | Lost 1-2 | -171413 |
| 3legacy | 178 | Parker, James R (1481) | Won 2-0 | +191432 |
| 4legacy | 288 | Mitchum, Benji (1487) | Won 2-1 | +191451 |
| 5legacy | 180 | Taylor, Timothy (1482) | Lost 1-2 | -181433 |
| 6legacy | 184 | Fann, Alex (1452) | Won 2-0 | +191452 |
| 7legacy | 149 | Schutt, Charles (1531) | Won 2-0 | +191471 |
| 8legacy | 123 | Cox, Patrick (1853) | Won 2-1 | +251496 |
| 9legacy | 72 | Paul, Corey (1551) | Lost 1-2 | -171479 |
| top | average opponent: 1528record: 6-3 | new rating: 1479 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Wu, Phillip (1500) | Lost 1-2 | -171445 |
| 2sealed | 135 | Gonzalez, Erik (1484) | Lost 1-2 | -181427 |
| 3sealed | 189 | Hernandez, Mike (1465) | Won 2-0 | +191446 |
| 4sealed | 221 | Bae, Jaewon (1482) | Lost 1-2 | -171429 |
| 5sealed | 226 | Wong, John (1464) | Lost 0-2 | -181411 |
| top | average opponent: 1479record: 1-4 | new rating: 1411 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 481 | Gottlieb, Charles (1500) | Won 2-0 | +191474 |
| 2legacy | 532 | Morrill, Alex (1536) | Won 2-1 | +191493 |
| 3legacy | 478 | Hoey, Matthew (1542) | Lost 0-2 | -171476 |
| 4legacy | 576 | Cline, Matthew (1576) | Lost 0-2 | -161460 |
| 5legacy | 592 | Allulis, Chris (1546) | Lost 1-2 | -171443 |
| 6legacy | 449 | Gilley, James (1485) | Won 2-1 | +191462 |
| top | average opponent: 1531record: 3-3 | new rating: 1462 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 319 | Quade, Aaron (1500) | Won 2-0 | +191487 |
| 2standard | 72 | Carrig, William (1518) | Lost 1-2 | -181469 |
| 3standard | 247 | Bowyer, Ryan (1499) | Won 2-1 | +191488 |
| 4standard | 200 | Hill, Andrew (1518) | Lost 1-2 | -181470 |
| 5standard | 246 | Musser, Dan (1550) | Lost 0-2 | -161454 |
| 6standard | 288 | Squires, Robert (1482) | Won 2-0 | +181472 |
| 7standard | 210 | Rasmussen, Jake (1498) | Lost 0-2 | -171455 |
| top | average opponent: 1509record: 3-4 | new rating: 1455 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 204 | Carlson, Jason R (1500) | Lost 0-2 | -191526 |
| 2extended | 277 | Yep, Phillip (1481) | Lost 1-2 | -181508 |
| 3extended | 291 | Simpson, Sam (1463) | Lost 0-2 | -191489 |
| 4extended | 354 | O'Hara, Michael J (1346) | Lost 1-2 | -211468 |
| top | average opponent: 1447record: 0-4 | new rating: 1468 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 86 | Innes, Dave (1500) | Won 2-0 | +171562 |
| 2standard | 18 | Lin, Jacky (1518) | Won 2-0 | +171579 |
| 3standard | 456 | Morway, Donald (1518) | Lost 1-2 | -191560 |
| 4standard | 312 | Horlacher, Travis (1518) | Won 2-0 | +171577 |
| 5standard | 176 | Posolda, Ondrej (1692) | Lost 0-2 | -161561 |
| 6standard | 244 | Fletcher, Geoff (1746) | Lost 1-2 | -141547 |
| 7standard | 291 | Cervantes, J.C. (1500) | Won 2-1 | +171564 |
| 8standard | 186 | Bleackley, Aaron (1539) | Lost 1-2 | -191545 |
| top | average opponent: 1566record: 4-4 | new rating: 1545 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 187 | Champagne, Ashley (1518) | Won 2-0 | +181535 |
| 3extended | 42 | Walls, Gabe (1891) | Lost 0-1 | -111524 |
| 4extended | 176 | Currence, Bryce (1664) | Lost 0-2 | -161508 |
| 5extended | 207 | pascual, Dylan (1534) | Lost 0-2 | -171491 |
| 6extended | 274 | Beaty, Ryan (1485) | Won 2-1 | +181509 |
| 7extended | 191 | Hecker, Caleb (1499) | Won 2-0 | +171526 |
| 8extended | 150 | Cai, Chenguang (1535) | Won 2-0 | +191545 |
| top | average opponent: 1589record: 4-3 | new rating: 1545 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 155 | Foster, William [USA] (1500) | Won 2-0 | +181518 |
| 2block | 14 | Thompson, Zach (1481) | Lost 0-2 | -191499 |
| 3block | 132 | Fusco, Arthur (1500) | Lost 1-2 | -181481 |
| 4block | 241 | Policky, Brandon (1484) | Lost 0-2 | -181463 |
| 5block | 243 | Lee, Nolan V (1464) | Lost 0-2 | -181445 |
| 6block | 231 | Cook, Brennen (1446) | Won 2-0 | +181463 |
| 7block | 190 | Reed, Chris (1465) | Won 2-0 | +181481 |
| 8block | 137 | Houk, Brandon (1483) | Won 2-0 | +181499 |
| 9block | 106 | Sullivan, Kyle (1501) | Won 2-1 | +181517 |
| top | average opponent: 1480record: 5-4 | new rating: 1517 | ||