Bonfardin, Stephen
Current rating: 1594
Record: 17-14-1
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 520 | Rittiner, Joe (1672) | Won 2-1 | +201623 |
| 4sealed | 561 | Cox, Patrick (1920) | Draw 1-1 | +51628 |
| 5sealed | 614 | Johnson, Josh (1596) | Won 2-0 | +171645 |
| 6sealed | 563 | Meissner, William (1529) | Lost 0-2 | -201625 |
| 7sealed | 660 | Saporito, Thiago (2001) | Lost 0-2 | -111614 |
| 8sealed | 764 | Mickel, Freddy (1525) | Lost 0-2 | -201594 |
| top | average opponent: 1707record: 2-3-1 | new rating: 1594 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 59 | Lane, Brian (1523) | Won 2-1 | +171596 |
| 4sealed | 130 | Mack, Shaun (1664) | Won 2-0 | +191615 |
| 5sealed | 28 | Lorren, Phillip (1813) | Lost 0-2 | -141601 |
| 6sealed | 52 | Puente, Victor (1507) | Won 2-1 | +161617 |
| 7sealed | 44 | Levy, Raphael (2034) | Won 2-1 | +251642 |
| 8sealed | 50 | Morris, Anthony (1561) | Lost 0-2 | -191623 |
| 9sealed | 43 | Braswell, Philip L (1554) | Lost 1-2 | -201603 |
| top | average opponent: 1665record: 4-3 | new rating: 1603 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 157 | Versteeg, Carl (1481) | Won 2-0 | +171573 |
| 4legacy | 62 | Muir, Jeremy (1673) | Lost 1-2 | -161557 |
| 5legacy | 212 | Bogner, Ryan (1674) | Won 2-1 | +201577 |
| 6legacy | 147 | Horton, Joshua (1544) | Won 2-0 | +171594 |
| 7legacy | 72 | Peterson, Jeremy (1526) | Lost 1-2 | -191575 |
| 8legacy | 150 | Coleman, Allison (1597) | Lost 0-2 | -181557 |
| 9legacy | 143 | Cook, Bryant (1745) | Won 2-0 | +221579 |
| top | average opponent: 1606record: 4-3 | new rating: 1579 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 14 | Beard, Alexander (1518) | Won 2-1 | +181518 |
| 4standard | 46 | Blackwelder, Nolan (1712) | Lost 1-2 | -141504 |
| 5standard | 118 | De Los Santos, Julian (1760) | Won 2-1 | +221526 |
| 6standard | 79 | Vincent, Adam (1529) | Won 2-1 | +181544 |
| 7standard | 59 | Searles, James (1477) | Won 2-0 | +171561 |
| 8standard | 37 | Burnham, James (1653) | Won 2-0 | +201581 |
| 9standard | 16 | Zornes, James (1889) | Won 2-0 | +231604 |
| 10standard | 14 | Adorno, Javier (1548) | Lost 1-2 | -191585 |
| 11standard | 28 | Manuel, Tom E (1571) | Lost 1-2 | -181567 |
| 12standard | 31 | Fortner, Phillip (1566) | Lost 1-2 | -181549 |
| 13standard | 41 | Jacob, Michael (1927) | Won 2-0 | +251574 |
| 14standard | 44 | Bates, Justin C (1613) | Lost 0-2 | -181556 |
| top | average opponent: 1647record: 7-5 | new rating: 1556 | ||