Weeks, Nathaniel
Current rating: 1589
Record: 20-15-1
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 87 | Carroll, Roger (1456) | Lost 0-2 | -201547 |
| 3standard | 428 | Brandl, Nickolas (1451) | Draw 1-1 | -21545 |
| 4standard | 371 | Han, Andrew (1483) | Won 2-1 | +171562 |
| 5standard | 256 | McDuffie, Korey (1978) | Won 2-0 | +251587 |
| 6standard | 167 | Barge, Spencer (1569) | Won 2-0 | +181605 |
| 7standard | 104 | Sokol, Greg (1932) | Lost 1-2 | -121593 |
| 8standard | 176 | Champagne, Dean (1491) | Lost 1-2 | -201573 |
| 9standard | 238 | Broderick, Zachary (1463) | Won 2-0 | +161589 |
| top | average opponent: 1603record: 4-3-1 | new rating: 1589 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 70 | Godon, Carl (1691) | Won 2-0 | +211568 |
| 3standard | 178 | Chang, James (1395) | Lost 1-2 | -211547 |
| 4standard | 293 | Landau, Jordan (1517) | Won 2-0 | +171564 |
| 5standard | 197 | Smith, Erik (1691) | Won 2-1 | +211585 |
| 6standard | 67 | Egolf, Michael (1601) | Won 2-1 | +181603 |
| 7standard | 84 | Hilario, Adam (1649) | Lost 0-2 | -171586 |
| 8standard | 96 | Bouchard, Jason (1547) | Lost 1-2 | -191567 |
| top | average opponent: 1584record: 4-3 | new rating: 1567 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1100 | Garcia, Bryan (1482) | Won 2-0 | +171556 |
| 2modern | 1098 | Ford, Justin (1495) | Won 2-0 | +171573 |
| 3modern | 1037 | Knarich, Stephen (1427) | Lost 0-2 | -201553 |
| 4modern | 1302 | Black, Samir (1499) | Lost 1-2 | -191534 |
| 5modern | 1442 | Matthews, Janice (1500) | Won 2-0 | +171551 |
| 6modern | 1305 | Daugherty, Michael (1442) | Won 2-1 | +161567 |
| 7modern | 1127 | Jenkins, Michael (1471) | Lost 1-2 | -201547 |
| top | average opponent: 1474record: 4-3 | new rating: 1547 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | OUELLETTE, JACOB (1500) | Lost 0-2 | -191526 |
| 2sealed | 485 | Raff, Elliot (1487) | Won 2-0 | +171543 |
| 3sealed | 516 | Tepper, James (1507) | Lost 0-2 | -191524 |
| 4sealed | 700 | Bevilacqua, Matt (1481) | Won 2-0 | +181542 |
| 5sealed | 499 | Lasky, Alex R (1498) | Won 2-1 | +171559 |
| 6sealed | 433 | Mirghahari, Ali (1485) | Lost 1-2 | -201539 |
| top | average opponent: 1493record: 3-3 | new rating: 1539 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 79 | O'Hara, Daniel (1564) | Won 2-0 | +191519 |
| 3legacy | 22 | Campbell, Chris J (1537) | Lost 0-2 | -171502 |
| 4legacy | 135 | Ferrando, Matthew (1726) | Won 2-0 | +221524 |
| 5legacy | 76 | Raney, Tom (1737) | Lost 1-2 | -151509 |
| 6legacy | 107 | Alexander, Michael (1519) | Won 2-1 | +191528 |
| 7legacy | 66 | Chinnock, Rylan (1510) | Won 2-1 | +171545 |
| 8legacy | 73 | Blair, Jeremy (1537) | Won 2-0 | +181563 |
| 9legacy | 55 | Owens, James (1531) | Lost 1-2 | -181545 |
| top | average opponent: 1583record: 5-3 | new rating: 1545 | ||