Zolnoski, Roy W
Current rating: 1552
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 246 | Pasillas, Ernest (1494) | Won 2-0 | +171554 |
| 2sealed | 114 | Perata, Pete (1518) | Lost 1-2 | -181536 |
| 3sealed | 328 | Kong, Melinda (1500) | Won 2-0 | +171553 |
| 4sealed | 364 | Cluff, Kenny (1518) | Won 2-1 | +171570 |
| 5sealed | 194 | Kwok, Gavin (1507) | Lost 1-2 | -191551 |
| 6sealed | 315 | Liu, Steven (1505) | Won 2-0 | +171568 |
| 7sealed | 166 | Ellis, Kenneth (1669) | Lost 0-2 | -161552 |
| top | average opponent: 1530record: 4-3 | new rating: 1552 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 31 | Mantey, Tyler (1784) | Draw 1-1 | +51490 |
| 5standard | 74 | Boothby, Kasandra L (1541) | Won 2-1 | +191509 |
| 6standard | 39 | Kovacs, Bryan J (1556) | Draw 1-1 | +11510 |
| 7standard | 96 | Sexton, Justin A (1558) | Won 2-0 | +191529 |
| 8standard | 57 | Malin, Antti (1976) | Lost 0-2 | -111518 |
| 9standard | 112 | Gonzales, Benny (1570) | Won 0-0 | +191537 |
| top | average opponent: 1664record: 3-1-2 | new rating: 1537 | ||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 4 | Jacques, Richard (1456) | Won 2-1 | +171517 |
| 3block | 69 | Lee, Joseph (1574) | Lost 0-2 | -171500 |
| 4block | 107 | Mattox, William (1516) | Won 2-1 | +191519 |
| 5block | 72 | Eng, Warren (1502) | Lost 1-2 | -191500 |
| 6block | 156 | Siler, Matt (1587) | Lost 0-2 | -161484 |
| 7block | 173 | Christman, Thaum (1508) | Won 2-1 | +181502 |
| 8block | 107 | Walker, Kalib (1523) | Lost 1-2 | -171485 |
| top | average opponent: 1524record: 3-4 | new rating: 1485 | ||