Colby, Nicholas
Current rating: 1521
Record: 30-32-1
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 237 | McKinney, Michael (1522) | Lost 1-2 | -191539 |
| 4modern | 677 | Brock, Kyle (1640) | Lost 0-2 | -161523 |
| 5modern | 748 | Warren, Chris (1412) | Won 2-1 | +161539 |
| 6modern | 698 | Jorgensen, Frederik Bruun (1518) | Lost 1-2 | -181521 |
| top | average opponent: 1523record: 1-3 | new rating: 1521 | ||
| Grand Prix Quebec City 2015 (BFZ standard) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Ouellet, Maxime (1410) | Won 2-0 | +151578 |
| 2standard | 174 | Stettner, Kadin (1535) | Won 2-1 | +171595 |
| 3standard | 59 | Joyall, Vincent (1569) | Lost 0-2 | -181577 |
| 4standard | 217 | Schambier, Simon (1510) | Lost 1-2 | -191558 |
| top | average opponent: 1506record: 2-2 | new rating: 1558 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 5 | Potts, Alexander (1500) | Won 2-1 | +181531 |
| 2modern | 94 | Breau, Josh (1552) | Lost 1-2 | -181513 |
| 3modern | 286 | Goldblatt, Michael (1502) | Won 2-0 | +181531 |
| 4modern | 225 | Sachlas, Peter (1694) | Won 2-1 | +211552 |
| 5modern | 232 | Turner, Jeremy (1563) | Won 2-1 | +181570 |
| 6modern | 85 | Tario, Benjamin (1585) | Won 2-1 | +181588 |
| 7modern | 28 | Edel, Willy (1971) | Lost 0-2 | -111577 |
| 8modern | 123 | Hoel, Jeremy (1526) | Won 2-1 | +171594 |
| 9modern | 79 | Berk, Bradley (1781) | Won 2-1 | +211615 |
| 10modern | 63 | Nunez, David (1549) | Lost 0-2 | -191596 |
| 11modern | 103 | Spiess, Kurt (1826) | Lost 0-2 | -141582 |
| 12modern | 117 | Lussier, Griffin (1505) | Lost 1-2 | -191563 |
| top | average opponent: 1630record: 7-5 | new rating: 1563 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Lewis, Scott (1544) | Won 2-0 | +201484 |
| 2sealed | 244 | Sprowls, Brandon (1635) | Won 2-1 | +201504 |
| 3sealed | 23 | Cheng, Nicholas (1477) | Won 2-1 | +181522 |
| 4sealed | 125 | Ivey, Jacob (1671) | Won 2-0 | +211543 |
| 5sealed | 27 | Lee, Matt (1572) | Won 2-0 | +181561 |
| 6sealed | 22 | Murdock, Charley (1587) | Won 2-1 | +191580 |
| 7sealed | 12 | Scalzo, Anthony (1668) | Won 2-0 | +191599 |
| 8sealed | 7 | Jacob, Michael (1912) | Lost 1-2 | -121587 |
| 9sealed | 33 | Brown, Max (1732) | Lost 1-2 | -161571 |
| 10sealed | 334 | Sam M, (1591) | Lost 1-2 | -171554 |
| 11draft | 34 | DiDonato, Joseph H (1671) | Lost 0-2 | -161538 |
| 12draft | 27 | DEsposito, David (1562) | Lost 0-2 | -181520 |
| 13draft | 94 | Fabiano, Gerard (1987) | Lost 1-2 | -101510 |
| 14draft | 10 | Siembor, Michael (1498) | Won 2-0 | +181528 |
| 15draft | 22 | Williams, David A (1698) | Lost 1-2 | -151513 |
| top | average opponent: 1654record: 8-7 | new rating: 1513 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 339 | Smith, Joe (1476) | Lost 1-2 | -181438 |
| 3standard | 340 | Arocho, Alfredo (1468) | Won 2-1 | +191457 |
| 4standard | 465 | Nelson, Rob (1466) | Lost 0-2 | -181439 |
| 5standard | 442 | Fenstermaker, Bradley (1498) | Lost 1-2 | -171422 |
| 6standard | 551 | Dacunto, Robert (1481) | Won 2-0 | +191441 |
| 7standard | 455 | Fagen, Scott (1591) | Won 2-0 | +211462 |
| 8standard | 306 | Stec, Peter (1546) | Won 2-0 | +201482 |
| 9standard | 192 | Yu, Jonathan (1510) | Lost 0-2 | -181464 |
| top | average opponent: 1505record: 4-4 | new rating: 1464 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 628 | Stratton, Erik (1518) | Won 2-0 | +191510 |
| 3sealed | 544 | Guevara, Franz (1497) | Lost 0-2 | -191491 |
| 4sealed | 761 | Anderson, William (1508) | Lost 1-2 | -171474 |
| 5sealed | 817 | Simon, Jason (1498) | Lost 0-2 | -181456 |
| top | average opponent: 1505record: 1-3 | new rating: 1456 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 144 | McKenna, Michael (1484) | Won 2-1 | +181507 |
| 3sealed | 65 | van Driel, Boaz (1484) | Lost 0-2 | -191488 |
| 4sealed | 434 | Cimino, Benjamin D (1525) | Won 2-1 | +191507 |
| 5sealed | 221 | Jeffrey F., (1534) | Won 2-1 | +181525 |
| 6sealed | 171 | Cieszynski, Eric (1587) | Lost 0-2 | -161509 |
| 7sealed | 376 | Carle, Ian (1538) | Lost 1-2 | -181491 |
| top | average opponent: 1525record: 3-3 | new rating: 1491 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 70 | Brinner, Justin (1537) | Lost 1-2 | -181506 |
| 3extended | 341 | Overbeek, Daniel (1572) | Lost 1-2 | -171489 |
| 4extended | 353 | Kowalczyk, Jeffrey m (1464) | Draw 1-1 | 01489 |
| top | average opponent: 1524record: 0-2-1 | new rating: 1489 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 106 | Thomson, Christopher (1500) | Lost 1-2 | -181482 |
| 2block | 190 | Zimmer, Jared (1482) | Won 2-0 | +181500 |
| 3block | 234 | Thomson, Nicholas R (1483) | Won 2-1 | +181518 |
| 4block | 146 | Lalonde, Christopher (1517) | Won 2-1 | +181536 |
| 5block | 138 | Mindus, Curtis (1541) | Won 2-0 | +181554 |
| 6block | 45 | Bernat, Michael (1842) | Lost 1-2 | -131541 |
| 7block | 135 | Holbrook, Jeremy (1592) | Lost 1-2 | -171524 |
| top | average opponent: 1565record: 4-3 | new rating: 1524 | ||