Giovannagelo, Christopher
Current rating: 1503
Record: 12-13
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 527 | Sponholz, Richard (1480) | Won 2-1 | +171537 |
| 2modern | 373 | Machusak, Jesse (1438) | Lost 0-2 | -191518 |
| 3modern | 778 | Banchiere, Matthew (1502) | Lost 1-2 | -191499 |
| 4modern | 926 | Heakins, Jason (1532) | Won 2-1 | +191518 |
| 5modern | 921 | Goldfarb, David (1832) | Lost 1-2 | -131505 |
| 6modern | 775 | Sak, Brian (1468) | Won 2-0 | +181523 |
| 7modern | 613 | Ferrell, Matthew (1412) | Lost 0-2 | -201503 |
| top | average opponent: 1523record: 3-4 | new rating: 1503 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Langer, Boris (1467) | Won 2-1 | +171535 |
| 2sealed | 172 | Thompson, Tim (1503) | Won 2-0 | +181553 |
| 3sealed | 200 | Rauch, Matt (1536) | Won 2-0 | +171570 |
| 4sealed | 164 | Wdowiasz, Jonathan (1679) | Lost 0-2 | -161554 |
| 5sealed | 290 | Musser, Dan (1766) | Lost 1-2 | -141540 |
| 6sealed | 258 | Million, James (1440) | Lost 0-2 | -201520 |
| top | average opponent: 1565record: 3-3 | new rating: 1520 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 112 | Mylan, JT (1500) | Won 2-1 | +191465 |
| 2standard | 186 | Brickner, Alex (1541) | Won 2-1 | +201485 |
| 3standard | 162 | Reaves, Marshall Louis (1576) | Lost 0-2 | -171468 |
| 4standard | 327 | Rodemann, Dan (1697) | Won 2-0 | +221490 |
| 5standard | 242 | Liu, Yuchen (1676) | Won 2-1 | +221512 |
| 6standard | 196 | James, Nephi (1516) | Won 2-1 | +181530 |
| 7standard | 45 | Sala, Ryan (1615) | Won 2-0 | +191549 |
| 8standard | 66 | Helvick, Cory D (1589) | Lost 1-2 | -171532 |
| 9standard | 109 | Kopec, Mateusz (1753) | Lost 0-2 | -141518 |
| top | average opponent: 1607record: 6-3 | new rating: 1518 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 104 | Peets, Griffin (1518) | Lost 0-2 | -181482 |
| 3extended | 237 | French, Shawn (1499) | Lost 0-2 | -171465 |
| 4extended | 430 | Cox, Patrick (1445) | Lost 0-2 | -191446 |
| top | average opponent: 1487record: 0-3 | new rating: 1446 | ||