Clarke, James E
Current rating: 1474
Record: 14-15
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 176 | Wagoner, Clint (1481) | Lost 1-2 | -191491 |
| 3sealed | 220 | Shearer, Jeremy D (1503) | Won 2-0 | +191510 |
| 4sealed | 252 | Dickey, Liam C (1518) | Lost 0-2 | -181492 |
| 5sealed | 312 | Burr, Tim (1499) | Lost 1-2 | -181474 |
| top | average opponent: 1500record: 1-3 | new rating: 1474 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 121 | Biffel, Billy (1500) | Lost 1-2 | -191494 |
| 2standard | 339 | Halvorsen, Lars (1482) | Won 2-1 | +181512 |
| 3standard | 233 | Bobbitt, Stewart (1499) | Lost 1-2 | -181494 |
| 4standard | 520 | McClain, Brian (1414) | Won 2-1 | +171511 |
| 5standard | 300 | mauldin, Micheal D (1482) | Won 2-1 | +171528 |
| 6standard | 317 | Bennight, Paul (1520) | Lost 0-2 | -181510 |
| top | average opponent: 1483record: 3-3 | new rating: 1510 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 142 | Cooper, Joseph (1500) | Won 2-0 | +171569 |
| 2extended | 7 | Stephens, Tim (1518) | Lost 1-2 | -191550 |
| 3extended | 130 | Geeo, Jacob (1500) | Lost 0-2 | -181532 |
| 4extended | 224 | Pena, Noe (1482) | Lost 1-2 | -191513 |
| top | average opponent: 1500record: 1-3 | new rating: 1513 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 190 | Kuykendall, Kirk D (1500) | Won 2-0 | +181518 |
| 2extended | 118 | Adkins, Justin D (1500) | Won 2-0 | +171535 |
| 3extended | 23 | Roman, Ed (1628) | Lost 0-0 | -161519 |
| 4extended | 217 | Hiller, Cory (1457) | Lost 1-2 | -191500 |
| 5extended | 193 | Wredberg, Gregory (1469) | Won 2-1 | +171517 |
| 6extended | 135 | Shryock, Edward (1518) | Won 2-1 | +181535 |
| 7extended | 84 | Martinez, Bryan (1485) | Won 2-0 | +171552 |
| 8extended | 47 | Hawkins, John (1555) | Won 2-1 | +181570 |
| 9extended | 31 | Tomek, Mark C (1573) | Lost 0-2 | -181552 |
| top | average opponent: 1520record: 6-3 | new rating: 1552 | ||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Kerr, Nelson (1500) | Won 2-1 | +181518 |
| 2sealed | 82 | Brady, David (1518) | Won 2-0 | +181536 |
| 3sealed | 48 | Dalglish, Jamie (1536) | Lost 0-2 | -181518 |
| 4sealed | 114 | Swigart, Chad (1517) | Won 2-1 | +181536 |
| 5sealed | 76 | Rohan, Sean (1511) | Lost 0-2 | -181518 |
| 6sealed | 82 | Powell, Mark (1517) | Lost 0-2 | -181500 |
| top | average opponent: 1516record: 3-3 | new rating: 1500 | ||