Ratzlaff, Daniel
Current rating: 1436
Record: 12-16
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Bryant, Cristopher (1414) | Won 2-0 | +171493 |
| 2sealed | 138 | Vannelli, Daniel (1395) | Lost 0-2 | -201473 |
| 3sealed | 725 | Holcomb, John (1394) | Lost 0-2 | -191454 |
| 4sealed | 667 | Moskowitz, Gilad (1484) | Lost 0-2 | -181436 |
| top | average opponent: 1422record: 1-3 | new rating: 1436 | ||
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Hansen, Anthony (1416) | Won 2-1 | +171505 |
| 2standard | 186 | Sounakhen, Saxon (1518) | Lost 0-2 | -181487 |
| 3standard | 229 | Siegler, Jacob (1500) | Won 2-1 | +191506 |
| 4standard | 206 | Birrell, Ian (1727) | Lost 0-2 | -141492 |
| 5standard | 223 | Flory, Dustin (1505) | Won 2-1 | +181510 |
| 6standard | 180 | Knause, Matt (1514) | Lost 1-2 | -181492 |
| 7standard | 255 | Feehan, Corey (1605) | Lost 1-2 | -161476 |
| top | average opponent: 1541record: 3-4 | new rating: 1476 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 910 | Neadow, Joshua (1529) | Won 2-1 | +181520 |
| 2sealed | 694 | Salas, Nicholas (1419) | Lost 0-2 | -191501 |
| 3sealed | 930 | Freas, Gerald (1633) | Lost 0-2 | -161485 |
| 4sealed | 1012 | Shafranski, Paul (1492) | Won 2-0 | +181503 |
| 5sealed | 891 | Bujorian, Andrew (1464) | Won 2-0 | +171520 |
| 6sealed | 875 | Terpening, Justin (1435) | Lost 0-2 | -191501 |
| 7sealed | 927 | Irvine, David (1823) | Lost 1-2 | -131488 |
| top | average opponent: 1542record: 3-4 | new rating: 1488 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 279 | Bettes, DeeJay (1500) | Won 2-1 | +181499 |
| 2sealed | 275 | Whitson, Tyler (1518) | Lost 0-2 | -171482 |
| 3sealed | 355 | Woodward, Brent (1500) | Lost 0-2 | -181464 |
| 4sealed | 525 | Creed, Phillip (1481) | Won 2-1 | +181482 |
| 5sealed | 373 | Warner, Patrick (1499) | Won 2-1 | +181500 |
| 6sealed | 359 | Melvin, Paul (1561) | Won 2-0 | +201520 |
| 7sealed | 198 | Ice, David (1535) | Lost 1-2 | -181502 |
| top | average opponent: 1513record: 4-3 | new rating: 1502 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 92 | Ashline, Cory (1519) | Won 2-1 | +181518 |
| 2sealed | 159 | Ruggiero, Scott A (1467) | Lost 0-2 | -191499 |
| 3sealed | 282 | Domschot, Nicholas J (1467) | Lost 1-2 | -181481 |
| top | average opponent: 1484record: 1-2 | new rating: 1481 | ||