Head, Robert
Current rating: 1548
Record: 19-17
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 53 | Scott, Todd (1477) | Lost 0-2 | -201565 |
| 5sealed | 71 | Sears, Charles (1472) | Lost 0-1 | -201545 |
| 6sealed | 131 | Buckley, Damian (1521) | Won 2-1 | +181563 |
| 7sealed | 107 | Hahn, Jurgen (1713) | Lost 0-2 | -151548 |
| top | average opponent: 1545record: 1-3 | new rating: 1548 | ||
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Woo, Kenneth (1500) | Won 2-1 | +181532 |
| 2sealed | 72 | Leslie, Ryan J (1500) | Won 2-0 | +171549 |
| 3sealed | 39 | Clack, Curtis (1536) | Won 2-1 | +181567 |
| 4sealed | 12 | Holmes, Jordan (1689) | Won 2-1 | +201587 |
| 5sealed | 5 | Wiegersma, Jelger (2071) | Won 2-1 | +261613 |
| 6sealed | 8 | Phillips, Eric (1634) | Won 2-0 | +191632 |
| 7sealed | 2 | Chambers, Adam (1894) | Lost 0-2 | -141618 |
| 8sealed | 18 | Starling, Charles (1636) | ID | 01618 |
| 9draft | 18 | Goodman, Ben (1776) | Won 2-1 | +211639 |
| 10draft | 4 | Stoddard, Samuel (1551) | Lost 0-2 | -191620 |
| 11draft | 10 | Sanchez, Kyle (1608) | Lost 1-2 | -191601 |
| 12draft | 13 | Scheel, Brandon (1649) | Lost 0-2 | -171584 |
| 13draft | 29 | Daoust, Guillaume (1677) | Won 2-0 | +201604 |
| 14draft | 18 | Swaluk, Jeff (1545) | Lost 1-2 | -191585 |
| top | average opponent: 1662record: 8-5-1 | new rating: 1585 | ||
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Cohenour, Dustin (1500) | Won 2-0 | +171554 |
| 2sealed | 53 | Biasone, Joe (1467) | Lost 0-2 | -191535 |
| 3sealed | 191 | Squire, J.p. (1501) | Lost 0-2 | -191516 |
| 4sealed | 191 | Blain, Michael (1434) | Lost 0-2 | -191497 |
| 5sealed | 175 | Marlor, Jamie (1463) | Won 2-0 | +171514 |
| top | average opponent: 1473record: 2-3 | new rating: 1514 | ||
| Grand Prix Salt Lake City 2005 (Kamigawa block) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 13 | Moosman, Jackson (1500) | Won 2-1 | +181534 |
| 2block | 31 | Asay, Necoline (1483) | Won 2-0 | +171551 |
| 3block | 25 | LaPille, Thomas (1549) | Lost 0-2 | -181533 |
| 4block | 40 | Pust, Jonathan (1385) | Won 2-0 | +151548 |
| 5block | 40 | Ravitz, Joshua (1689) | Lost 1-2 | -151533 |
| 6block | 69 | Lieberman, Alex (1785) | Lost 1-2 | -141519 |
| 7block | 66 | Seedenburg, Derek (1498) | Won 2-0 | +181537 |
| top | average opponent: 1556record: 4-3 | new rating: 1537 | ||
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 127 | Bivins, Josh (1500) | Won 2-0 | +181518 |
| 2block | 73 | Knudson, Peter (1518) | Won 2-0 | +181536 |
| 3block | 53 | Nguyen, Tuan (1517) | Won 2-0 | +181554 |
| 4block | 32 | Beltz, James (1499) | Lost 1-2 | -191535 |
| 5block | 57 | Gamble, Ian (1535) | Won 2-0 | +181553 |
| 6block | 23 | Rasmussen, Ben (1538) | Lost 0-2 | -191534 |
| 7block | 56 | Mahler, Hans (1524) | Lost 0-2 | -181516 |
| top | average opponent: 1519record: 4-3 | new rating: 1516 | ||