Dempsey, Peter J
Current rating: 1436
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 52 | Ibrahimi, Mostafa (1500) | Lost 1-2 | -181449 |
| 2standard | 316 | Viczian, Laszlo (1539) | Draw 1-1 | +21451 |
| 3standard | 491 | Wieczorek, Piotr (1449) | Won 2-1 | +181469 |
| 4standard | 68 | Minchev, Zdravko (1492) | Lost 0-2 | -181451 |
| 5standard | 462 | Mrozek, Michal (1622) | Lost 0-2 | -151436 |
| top | average opponent: 1520record: 1-3-1 | new rating: 1436 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1181 | Abed, Arasch (1615) | Won 2-0 | +211483 |
| 2sealed | 1090 | Vandeur, Jeroen (1506) | Draw 1-1 | 01483 |
| 3sealed | 1119 | Hautot, Mathieu (1486) | Lost 0-2 | -181465 |
| 4sealed | 1230 | Depickere, Wim (1489) | Won 1-0 | +191484 |
| 5sealed | 1166 | Colpaert, Georges (1530) | Lost 0-2 | -171467 |
| top | average opponent: 1525record: 2-2-1 | new rating: 1467 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 727 | Schreiber, David (1500) | Lost 0-2 | -181482 |
| 2sealed | 501 | Nedbal, Ladislav (1482) | Lost 0-2 | -181464 |
| 3sealed | 842 | Kralik, Martin (1462) | Won 2-1 | +181482 |
| 4sealed | 791 | Bataille, Nicolas (1379) | Lost 0-2 | -201462 |
| top | average opponent: 1456record: 1-3 | new rating: 1462 | ||