Keifer, Clayton
Current rating: 1492
| Grand Prix Oklahoma City 2019 (ELD standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 103 | Griffith, Joshua (1500) | Won 2-1 | +191459 |
| 2standard | 20 | Darling, Travis (1518) | Won 2-0 | +191478 |
| 3standard | 69 | Steele, Derrick (1755) | Lost 1-2 | -131465 |
| 4standard | 101 | Seymour, Eric (1518) | Won 2-1 | +191484 |
| 5standard | 67 | Macaraeg, Tad (1777) | Lost 0-0 | -131471 |
| 6standard | 88 | Acosta, Marcos (1518) | Lost 0-2 | -171454 |
| 7standard | 84 | Kettler, Mason (1497) | Won 2-1 | +191473 |
| 8standard | 50 | Turner, Brandon7669 (1536) | Won 2-0 | +191492 |
| top | average opponent: 1577record: 5-3 | new rating: 1492 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 26 | Bromley, Morgan (1612) | Won 2-1 | +211480 |
| 2standard | 168 | Crone, Jacob (1515) | Won 2-1 | +191499 |
| 3standard | 19 | Nicholas, Gabriel (1576) | Won 2-1 | +191518 |
| 4standard | 47 | Nicolas, Victor (1758) | Lost 0-2 | -141504 |
| 5standard | 88 | Echavarria, Carlos (1563) | Lost 0-2 | -161488 |
| 6standard | 274 | Szylman, Dariusz (1702) | Lost 1-2 | -151473 |
| 7standard | 261 | Findlay, Bill (1513) | Lost 1-2 | -171456 |
| 8standard | 221 | Vines, Jeremy (1547) | Lost 1-2 | -161440 |
| top | average opponent: 1598record: 3-5 | new rating: 1440 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 307 | Jones, Alan (1500) | Lost 0-2 | -181482 |
| 2standard | 358 | Edwards, Brian (1434) | Won 2-1 | +171499 |
| 3standard | 299 | Smith, Chris (1428) | Lost 0-2 | -191480 |
| 4standard | 374 | Samuels, Jackson (1428) | Lost 1-2 | -191461 |
| 5standard | 461 | Morgan, Zachary (1413) | Won 2-0 | +171478 |
| 6standard | 340 | Munn, Justin (1466) | Lost 0-2 | -181460 |
| 7standard | 345 | Barrell, Frederick (1464) | Won 2-0 | +181478 |
| 8standard | 249 | Robbins, Adam (1452) | Lost 0-2 | -191459 |
| top | average opponent: 1448record: 3-5 | new rating: 1459 | ||