Simpson, Ken
Current rating: 1602
Record: 7-6-1 (GP) / 15-10-1 (professional)
| Grand Prix Anaheim 2003 (extended) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 41 | Abraham, Mike (1638) | Lost 1-2 | -161565 |
| 3extended | 73 | Vegso, Brian (1519) | Won 2-0 | +171582 |
| 4extended | 59 | Kelly, Sean (1503) | Draw 1-1 | -21580 |
| 5extended | 70 | Schulte, David (1469) | Won 2-0 | +161596 |
| 6extended | 45 | Sun, Allen (1752) | Won 2-0 | +211617 |
| 7extended | 27 | Meissner, Erik (1555) | Won 2-0 | +171634 |
| 8extended | 17 | Sonne, Jonathan (1896) | Lost 0-2 | -131621 |
| 9extended | 29 | Lewis, Jon (1573) | Lost 0-2 | -191602 |
| top | average opponent: 1613record: 4-3-1 | new rating: 1602 | ||
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 56 | Ly, Song (1540) | Lost 0-2 | -181568 |
| 4sealed | 115 | Armbruster, Chris (1489) | Lost 1-2 | -201548 |
| 5sealed | 147 | Beacham, Steve (1536) | Won 2-0 | +181566 |
| 6sealed | 106 | Horn, Doug (1520) | Won 2-1 | +171583 |
| 7sealed | 57 | Caravella, John (1535) | Won 2-0 | +171600 |
| 8sealed | 47 | Rode, Johnny (1560) | Lost 1-2 | -191581 |
| top | average opponent: 1530record: 3-3 | new rating: 1581 | ||
| Pro Tour New York 1999 (Urza's block) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 87 | Boling, Cannon (1507) | Won 2-1 | +171615 |
| 2block | 23 | Thrane, Jesper (1522) | Won 2-0 | +161631 |
| 3block | 14 | Callahan, Michael (1539) | Lost 0-2 | -201611 |
| 4block | 65 | Guinn, Matt (1517) | Won 2-0 | +171628 |
| 5block | 22 | Schickli, Jason (1541) | Lost 1-2 | -201608 |
| 6block | 58 | Gallitz, Donald (1628) | Won 2-1 | +181626 |
| 7block | 33 | Cavey, Michael (1541) | ID | 01626 |
| 8block | 36 | Guevin, Peter (1544) | Lost 0-2 | -191607 |
| 9block | 40 | Klauser, Benedikt (1533) | Won 2-0 | +171624 |
| 10block | 36 | Mitchell, Alex (1521) | Draw 1-1 | -21622 |
| 11block | 33 | Baberowski, Dirk (1545) | Won 2-0 | +161638 |
| 12block | 26 | Boeken, Noah (1501) | Lost 1-2 | -201618 |
| 13block | 33 | Eskeland, Sigurd (1699) | Lost 0-2 | -171601 |
| 14block | 37 | O'Mahoney-Schwartz, Steven (1776) | Lost 0-2 | -151586 |
| top | average opponent: 1565record: 6-6-2 | new rating: 1586 | ||
| Pro Tour Los Angeles 1999 (USG rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 15 | Ronaldson, Ivan (1500) | Won 0-0 | +181518 |
| 2rochester | 129 | Refsdal, Gunnar (1540) | Lost 0-2 | -181500 |
| 3rochester | 54 | Marsh, Warren (1543) | Won 2-0 | +191519 |
| 4rochester | 128 | Crapuchettes, Dominic (1525) | Won 2-0 | +181537 |
| 5rochester | 132 | Pacifici, Guido (1536) | Won 2-0 | +181555 |
| 6rochester | 26 | Toikka, Seppo (1558) | Won 0-0 | +181573 |
| 7rochester | 74 | Baran, Marcel (1554) | Won 0-0 | +181591 |
| 8rochester | 26 | Wollpert, Worth (1564) | Lost 0-0 | -191572 |
| 9rochester | 22 | Shears, Steven (1564) | Won 2-0 | +181590 |
| 10rochester | 11 | Heiss, Nathan (1693) | Won 2-1 | +201610 |
| 11rochester | 5 | Refsdal, Gunnar (1630) | Lost 1-2 | -171593 |
| 12rochester | 44 | Price, David (1746) | Won 2-1 | +201613 |
| 13rochester | 45 | Hacker, Brian (1781) | Lost 0-2 | -151598 |
| 14rochester | 12 | Heiss, Nathan (1688) | ID | 01598 |
| top | average opponent: 1602record: 9-4-1 | new rating: 1598 | ||