Matheny, Michael
Current rating: 1526
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Coons, Jon (1500) | Won 2-0 | +171595 |
| 2standard | 102 | Frye, Jonathan (1520) | Lost 1-2 | -201575 |
| 3standard | 391 | Hingle, Alexander (1497) | Lost 0-2 | -191556 |
| 4standard | 392 | Bergeron, Patrick (1483) | Lost 1-2 | -201536 |
| 5standard | 387 | Johanson, Tyler (1455) | Won 2-1 | +171553 |
| 6standard | 334 | Liebel, Tomas (1399) | Won 2-0 | +151568 |
| 7standard | 245 | Dennis, Elliot (1487) | Lost 0-2 | -191549 |
| 8standard | 205 | Richter, Kyle 266 (1295) | Lost 1-2 | -231526 |
| top | average opponent: 1455record: 3-5 | new rating: 1526 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 419 | Graham, Thomas (1511) | Won 2-0 | +171559 |
| 2standard | 184 | Punzo, Canaan (1514) | Lost 0-2 | -191540 |
| 3standard | 411 | Thompson, Matt (1563) | Won 2-0 | +191559 |
| 4standard | 358 | Guajardo, Daniel (1503) | Lost 1-2 | -191540 |
| 5standard | 394 | Carlson, Cory (1419) | Won 2-0 | +151555 |
| 6standard | 228 | Wall, Ryan (1896) | Lost 0-2 | -121543 |
| 7standard | 310 | Pease, Jimmy (1503) | Won 2-0 | +181561 |
| 8standard | 265 | Lisko, Nathan (1519) | Won 2-0 | +171578 |
| top | average opponent: 1553record: 5-3 | new rating: 1578 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Reyes, Christopher (1464) | Won 2-0 | +171517 |
| 2standard | 99 | Parkulo, Daniel (1501) | Won 2-0 | +181535 |
| 3standard | 6 | Kanner, Zack (1833) | Lost 0-2 | -131522 |
| 4standard | 226 | Aintrazi, Ali (1609) | Draw 1-1 | +21524 |
| 5standard | 227 | Banyard, Charles (1517) | Won 2-1 | +181542 |
| 6standard | 147 | Sinaiba, Michael (1534) | Lost 0-2 | -181524 |
| 7standard | 226 | Perez, Victor [USA] (1536) | Won 2-1 | +181542 |
| 8standard | 161 | Drennen, Mark (1530) | Draw 1-1 | 01542 |
| top | average opponent: 1566record: 4-2-2 | new rating: 1542 | ||