Lederman, CJ
Current rating: 1579
Record: 18-15-1
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 441 | Killian, Jason (1500) | Won 2-1 | +161581 |
| 2sealed | 52 | Henry, Jason (1423) | Won 2-0 | +161597 |
| 3sealed | 243 | Adams, Ken (1777) | Lost 1-2 | -151582 |
| 4sealed | 241 | Rosario, Joel (1520) | Won 2-0 | +171599 |
| 5sealed | 232 | Beith, Tom (1489) | Lost 0-2 | -201579 |
| top | average opponent: 1542record: 3-2 | new rating: 1579 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 58 | Clanston, Chad (1500) | Won 2-0 | +181524 |
| 2standard | 175 | Davila, Confesor (1523) | Won 2-0 | +181542 |
| 3standard | 112 | Trogdon, Ryan (1465) | Lost 1-2 | -201522 |
| 4standard | 352 | Scott, David (1518) | Won 2-0 | +181540 |
| 5standard | 258 | Martineli, Anthony (1519) | Won 2-0 | +181558 |
| 6standard | 151 | Blake, Paul (1470) | Lost 1-2 | -201538 |
| 7standard | 228 | Smith, Adam (1527) | Won 2-1 | +181556 |
| 8standard | 148 | Funatsu, Hirotsugu (1571) | Won 2-1 | +181574 |
| 9standard | 106 | LaChapelle, Will (1545) | Won 2-0 | +181592 |
| 10standard | 41 | Pearce, Quentinn (1575) | Won 2-0 | +181610 |
| 11standard | 28 | Jephson, Wiley (1627) | Lost 0-2 | -181592 |
| 12standard | 36 | Hoskins, Kyle (1590) | Won 2-0 | +181610 |
| 13standard | 23 | Cribbs, Ryan (1659) | Lost 1-2 | -171593 |
| 14standard | 32 | Stark, Ben S (2074) | Lost 0-2 | -101583 |
| 15standard | 56 | Hewitt, Chris (1564) | Lost 1-2 | -181565 |
| top | average opponent: 1582record: 9-6 | new rating: 1565 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 5 | Hamp, David R (1553) | Lost 0-2 | -171465 |
| 5sealed | 77 | Wrisley, Robert (1528) | Won 2-1 | +191484 |
| 6sealed | 53 | Creager, Geoffrey R (1539) | Lost 0-2 | -171467 |
| 7sealed | 68 | Ohlschwager, Andrew (1565) | Won 2-1 | +201487 |
| 8sealed | 47 | Schwarz, Micheal (1573) | Won 2-0 | +201507 |
| 9sealed | 33 | Johnston, Joshua (1617) | Won 2-0 | +201527 |
| 10draft | 59 | Hunt, Matthias (1826) | Lost 0-2 | -131514 |
| 11draft | 61 | Hertz, Shiloh (1530) | Won 2-0 | +181532 |
| 12draft | 41 | Rietzl, Paul (2073) | Lost 1-2 | -91523 |
| 13draft | 39 | Sanders, Sam (1564) | Lost 0-2 | -171506 |
| top | average opponent: 1637record: 5-5 | new rating: 1506 | ||
| Grand Prix Salt Lake City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 71 | Dracoulis, Garth (1500) | Draw 1-1 | 01500 |
| 2block | 61 | Speranza, Joshua (1515) | Won 2-1 | +181518 |
| 3block | 35 | Mc Farland, Thoma (1517) | Lost 1-2 | -181500 |
| 4block | 84 | Roman, Andrew (1481) | Lost 1-2 | -181482 |
| top | average opponent: 1504record: 1-2-1 | new rating: 1482 | ||