Helsten, Dan
Current rating: 1428
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 201 | Winslow, David (1462) | Won 2-0 | +181481 |
| 2standard | 198 | Cook, Joshua (1420) | Lost 1-2 | -191462 |
| 3standard | 243 | Arbelogirau, Derick (1588) | Lost 0-2 | -151447 |
| 4standard | 331 | Beamish, Cody (1370) | Lost 1-2 | -201427 |
| 5standard | 389 | Zabriski, Mike (1463) | Won 2-0 | +191446 |
| 6standard | 307 | Brentzel, Chelsea (1487) | Won 2-0 | +191465 |
| 7standard | 236 | Farley, Ryan (1401) | Lost 1-2 | -201445 |
| 8standard | 219 | Deutsch, Russell (1479) | Lost 1-2 | -171428 |
| top | average opponent: 1459record: 3-5 | new rating: 1428 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 68 | Koon, David (1730) | Won 2-0 | +221504 |
| 4standard | 139 | Holliday, John (1791) | Lost 1-2 | -121492 |
| 5standard | 181 | Ihlenfeldt, Samuel (1789) | Lost 1-2 | -131479 |
| 6standard | 275 | Moore, Gaben (1534) | Won 2-1 | +191498 |
| 7standard | 262 | Karpovck, Andrew (1479) | Won 2-0 | +171515 |
| 8standard | 109 | Malinowski, Mike (1602) | Won 2-0 | +201535 |
| 9standard | 100 | Fulger, Joshua (1664) | Won 2-1 | +201555 |
| 10standard | 56 | Miller, Myles (1639) | Lost 0-2 | -161539 |
| 11standard | 91 | Zell, Corey (1484) | Lost 1-2 | -191520 |
| 12standard | 88 | Bonin, Brad (2002) | Lost 1-2 | -101510 |
| 13standard | 105 | Lachney, Donovan (1620) | Lost 0-2 | -161494 |
| 14standard | 96 | Williams, Caleb (1584) | Lost 1-2 | -161478 |
| 15standard | 89 | Duan, Daniel (1687) | Lost 0-2 | -151463 |
| top | average opponent: 1662record: 5-8 | new rating: 1463 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 299 | Kidd, Zach (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||