Dempsey, Benjamin
Current rating: 1603
Record: 10-6 (GP) / 3-3 (professional)
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1662 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 48 | Ryder, Sean (1593) | Lost 0-2 | -191643 |
| 4block | 87 | Nelson, Will (1484) | Lost 0-2 | -211622 |
| 5block | 106 | Wood, Thomas L (1580) | Lost 0-2 | -191603 |
| top | average opponent: 1552record: 0-3 | new rating: 1603 | ||
| Pro Tour Philadelphia 2005 (Kamigawa block) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 17 | Betti, Alessandro (1701) | Won 2-1 | +191677 |
| 2block | 18 | Barbou, Lucien (1603) | Lost 1-2 | -201657 |
| 3block | 70 | Lemoine, Vincent (1689) | Lost 1-2 | -171640 |
| 4block | 98 | Karsten, Frank (1969) | Won 2-0 | +241664 |
| 5block | 95 | Brodt, Michael (1544) | Won 2-1 | +161680 |
| 6block | 73 | Marchesano, Ernie (1720) | Lost 0-2 | -181662 |
| top | average opponent: 1704record: 3-3 | new rating: 1662 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 66 | Bowles, Richard (1401) | Won 2-0 | +161516 |
| 5extended | 17 | Fabiano, Gerard (1927) | Won 2-0 | +251541 |
| 6extended | 18 | Morita, Masahiko (2000) | Lost 1-2 | -101531 |
| 7extended | 16 | Flores, Michael (1716) | Won 2-0 | +211552 |
| 8extended | 16 | Felske, David (1545) | Won 2-0 | +181570 |
| 9extended | 10 | Schofield, Bryan (1703) | Won 2-0 | +211591 |
| 10extended | 8 | Gaudard, Jordan (1592) | Lost 0-2 | -181573 |
| 11extended | 18 | Fujita, Osamu (1807) | Won 2-0 | +221595 |
| 12extended | 11 | Faure, Stephane (1582) | Won 2-0 | +181613 |
| 13extended | 5 | Ravitz, Joshua (1721) | Won 2-0 | +201633 |
| 14extended | 3 | Glavin, Lucas (1747) | Won 2-1 | +201653 |
| 15extended | 2 | McLaughlin, Keith (1776) | ID | 01653 |
| Qextended | Impellizzieri, Anthony (1844) | Won 2-0 | +211674 | |
| Sextended | Glavin, Lucas (1767) | Lost 1-2 | -161658 | |
| top | average opponent: 1723record: 10-3-1 | new rating: 1658 | ||