Kauffman, Derek
Current rating: 1467
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 62 | Young, Joseph (1518) | Lost 1-2 | -171462 |
| 3modern | 720 | Bruns, Tyler (1499) | Won 2-1 | +181480 |
| 4modern | 273 | Mills, Jesse (1622) | Lost 1-2 | -151465 |
| 5modern | 691 | Pritchett, Alex (1539) | Won 2-1 | +191484 |
| 6modern | 305 | Mittendorf, Jon (1526) | Lost 0-2 | -171467 |
| top | average opponent: 1541record: 2-3 | new rating: 1467 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 417 | Spivey, Jesse (1518) | Lost 0-2 | -171449 |
| 3standard | 521 | Steele, CJ (1693) | Won 2-0 | +231472 |
| 4standard | 511 | Schuh, Dylan (1516) | Lost 0-2 | -171455 |
| 5standard | 545 | Ogreenc, Greg (1857) | Won 2-1 | +241479 |
| 6standard | 422 | Snyder, Nathaniel (1523) | Won 2-1 | +191498 |
| 7standard | 206 | Bower, James (1420) | Lost 0-2 | -191479 |
| top | average opponent: 1588record: 3-3 | new rating: 1479 | ||
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 211 | Norris, Carter (1518) | Won 2-1 | +181518 |
| 3standard | 125 | Reynolds, Thomas (1536) | Lost 0-2 | -171501 |
| 4standard | 367 | Pellman, John (1484) | Lost 1-2 | -191482 |
| 5standard | 465 | Rice, Sean (1598) | Lost 0-2 | -161466 |
| top | average opponent: 1534record: 1-3 | new rating: 1466 | ||