Giambra, Joshua
Current rating: 1530
Record: 12-12
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Prior, Joseph (1500) | Won 2-0 | +181529 |
| 2standard | 118 | Kanellis, David (1560) | Won 2-0 | +191548 |
| 3standard | 128 | Spinelli, James (1459) | Lost 0-2 | -201528 |
| 4standard | 219 | Stanley, Robert (1746) | Lost 1-2 | -141514 |
| 5standard | 211 | Bachorik, Tristan (1499) | Won 2-1 | +181532 |
| 6standard | 182 | Mowry, Kasie (1417) | Won 2-1 | +161548 |
| 7standard | 130 | Appler, Mikael (1547) | Lost 1-2 | -181530 |
| top | average opponent: 1533record: 4-3 | new rating: 1530 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 29 | Betit, Jean-Francois (1735) | Lost 1-2 | -151550 |
| 3standard | 275 | Lepesko, Brendon (1455) | Lost 1-2 | -201530 |
| 4standard | 419 | Reardon, Sean (1482) | Lost 0-2 | -191511 |
| top | average opponent: 1557record: 0-3 | new rating: 1511 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 1 | Moak, Dan (1518) | Won 2-0 | +171549 |
| 3standard | 172 | Sullivan, Adrian (2009) | Lost 0-2 | -101539 |
| 4standard | 257 | Housman, Myles (1694) | Won 2-0 | +211560 |
| 5standard | 128 | Godon, Carl (1700) | Lost 1-2 | -151545 |
| 6standard | 291 | Tremblay, Sebastien (1619) | Won 2-1 | +191564 |
| 7standard | 192 | Panzer, Murray (1579) | Won 2-1 | +181582 |
| 8standard | 119 | Gareau, Philippe (1608) | Lost 1-2 | -171565 |
| top | average opponent: 1675record: 4-3 | new rating: 1565 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 730 | Badrudin, Karim (1557) | Lost 0-2 | -171483 |
| 3modern | 947 | McIntyre, James (1474) | Won 2-0 | +181501 |
| 4modern | 967 | Zirolli, Matthew (1591) | Won 2-0 | +201521 |
| 5modern | 859 | Dean, Paul (1887) | Won 2-1 | +241545 |
| 6modern | 822 | Grigely, Jason (1544) | Won 2-0 | +181563 |
| 7modern | 779 | Pearce, Ryan (1654) | Lost 0-2 | -161547 |
| 8modern | 798 | Parente, Tanner (1722) | Lost 0-2 | -151532 |
| top | average opponent: 1633record: 4-3 | new rating: 1532 | ||