Chadwick, Jacob
Current rating: 1621
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 200 | Petersen, Ben (1500) | Lost 0-2 | -201558 |
| 2standard | 677 | Dickey, Phillip (1482) | Won 2-0 | +171575 |
| 3standard | 640 | Jay, JoeDee (1484) | Won 2-0 | +161591 |
| 4standard | 480 | Buttrum, Jon (1518) | Lost 1-2 | -191572 |
| 5standard | 545 | Plantz, Ian (1592) | Won 2-0 | +181590 |
| 6standard | 430 | Summerlin, Aubrey (1547) | Won 2-0 | +171607 |
| 7standard | 320 | Steuer, Nathan (1699) | Lost 1-2 | -161591 |
| 8standard | 369 | Coffin, Benjamin (1524) | Won 2-0 | +171608 |
| 9standard | 201 | Stapert, Jeff (1538) | Won 2-0 | +171625 |
| 10standard | 146 | Tugas, Niko (1465) | Lost 1-2 | -211604 |
| 11standard | 231 | Spartz, Emerson (1532) | Won 2-0 | +161620 |
| 12standard | 161 | Sookngam, Michael (1583) | Won 2-1 | +181638 |
| 13standard | 130 | Harris, Alexander (1586) | Lost 1-2 | -191619 |
| 14standard | 129 | Rubin, Steve (1833) | Lost 1-2 | -141605 |
| 15standard | 163 | McMichael, Willie (1493) | Won 2-0 | +161621 |
| top | average opponent: 1558record: 9-6 | new rating: 1621 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 116 | Torres, James (1441) | Won 2-1 | +171541 |
| 2standard | 33 | Pazicni, Mark (1461) | Won 2-0 | +161557 |
| 3standard | 133 | Fulgium, James (1798) | Lost 0-2 | -141543 |
| 4standard | 266 | Bustamante, Analynn (1593) | Lost 0-2 | -171526 |
| 5standard | 277 | Zerwick, Julius (1499) | Lost 1-2 | -181508 |
| 6standard | 377 | Alred, Jacob (1479) | Won 2-1 | +171525 |
| 7standard | 241 | Johnson, John (1502) | Won 2-1 | +181543 |
| 8standard | 165 | Lachney, Donovan (1492) | Won 2-1 | +171560 |
| 9standard | 135 | Velasquez, Gilbert (1535) | Won 2-0 | +181578 |
| top | average opponent: 1533record: 6-3 | new rating: 1578 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 191 | Dobberstein, Alex (1500) | Lost 0-2 | -181482 |
| 2sealed | 395 | Fulton, Tiffany (1482) | Won 2-0 | +181500 |
| 3sealed | 334 | Manary, Faith (1497) | Won 2-0 | +181518 |
| 4sealed | 247 | Diaz, Jose Manuel (1516) | Won 2-0 | +181536 |
| 5sealed | 205 | Johnson-Epstein, Jasper (1723) | Won 2-0 | +211557 |
| 6sealed | 74 | Wand, Kevin (1621) | Lost 0-2 | -171540 |
| 7sealed | 157 | Byrne, Simon (1535) | Lost 1-2 | -181522 |
| 8sealed | 170 | Ward, Daniel (1764) | Won 2-0 | +231545 |
| 9sealed | 119 | Rivero, Robert A (1404) | Lost 1-2 | -211524 |
| top | average opponent: 1560record: 5-4 | new rating: 1524 | ||