Koppier, Benjamin
Current rating: 1653
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 23 | Kizis, Adam (1445) | Lost 1-2 | -201526 |
| 2standard | 371 | Schlott, James (1444) | Lost 1-2 | -191507 |
| 3standard | 695 | Cooney, Nathaniel (1406) | Won 2-1 | +161523 |
| 4standard | 561 | Duan, Ceyao (1531) | Won 2-1 | +181541 |
| 5standard | 394 | Walts, Robert (1499) | Won 2-0 | +171558 |
| 6standard | 275 | Festin, David (1384) | Won 2-1 | +151573 |
| 7standard | 323 | Chiang, Will (1547) | Won 2-1 | +181591 |
| 8standard | 89 | Kerrigan, Andrew (1853) | Won 2-1 | +221613 |
| 9standard | 152 | Price, Pat (1842) | Won 2-1 | +221635 |
| 10standard | 77 | Sajgalik, Eduardo (2010) | Won 2-0 | +251660 |
| 11standard | 52 | Khare, Anand (1986) | Lost 1-2 | -121648 |
| 12standard | 59 | Williamson, Mason (1572) | Won 2-1 | +161664 |
| 13standard | 71 | Van Cleave, Trey (2037) | Lost 0-2 | -111653 |
| top | average opponent: 1658record: 9-4 | new rating: 1653 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Nettleman, Michael (1500) | Won 2-1 | +171551 |
| 2sealed | 91 | Gottlieb, Alexander (1500) | Won 2-0 | +171568 |
| 3sealed | 84 | Lee, Alan 2 (1629) | Lost 0-2 | -171551 |
| 4sealed | 151 | Reynoso, Alex (1423) | Won 2-0 | +161567 |
| 5sealed | 220 | Fields, Frank (1503) | Won 2-0 | +171584 |
| 6sealed | 115 | Severs, Shane (1580) | Lost 0-2 | -181566 |
| 7sealed | 147 | Desangles, Anthony (1464) | Lost 0-2 | -201546 |
| top | average opponent: 1514record: 4-3 | new rating: 1546 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 227 | Woolf, Troy (1500) | Won 2-0 | +181518 |
| 2modern | 67 | Lundquist, Ben (1896) | Won 2-1 | +251543 |
| 3modern | 162 | Patnode, Nicholas (1682) | Lost 1-2 | -161527 |
| 4modern | 250 | Stromberg, Noah (1518) | Won 2-1 | +181545 |
| 5modern | 193 | Jamieson, Chris [USA] (1535) | Won 2-0 | +181563 |
| 6modern | 134 | Thompson, Gerry (1865) | Won 2-1 | +231586 |
| 7modern | 93 | Meeker-Cummings, Robin (1614) | Lost 0-2 | -171569 |
| 8modern | 158 | Burger, Cameron (1558) | Lost 1-2 | -191550 |
| 9modern | 173 | McLaughlin, Morgan (1630) | Lost 0-2 | -161534 |
| top | average opponent: 1644record: 5-4 | new rating: 1534 | ||