Chopcinski, Tony
Current rating: 1550
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Szollosi, Bryan (1516) | Won 2-1 | +171572 |
| 2sealed | 189 | Vogt, Jason (1417) | Lost 0-2 | -211551 |
| 3sealed | 234 | Austin, Dylan (1500) | Won 2-1 | +181569 |
| 4sealed | 187 | Coley, Brandon (1520) | Lost 0-2 | -191550 |
| top | average opponent: 1488record: 2-2 | new rating: 1550 | ||
| Grand Prix Cleveland 2002 (Odyssey block) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 134 | Daniels, Brendan M (1478) | Won 2-0 | +171554 |
| 2block | 43 | Curtis, Criaig (1518) | Won 2-0 | +171571 |
| 3block | 70 | Stewart, Michael (1545) | Won 2-0 | +181589 |
| 4block | 19 | Mytinger, John (1553) | Lost 1-2 | -191570 |
| 5block | 85 | Polin, Justin (1700) | Won 2-0 | +201590 |
| 6block | 43 | Tice, Doug (1672) | Lost 1-2 | -161574 |
| 7block | 79 | Di Vincenzo, Paul (1530) | Lost 0-2 | -191555 |
| top | average opponent: 1571record: 4-3 | new rating: 1555 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Loeffler, Richard L. (1500) | Won 2-0 | +181518 |
| 2sealed | 118 | Wallace, Glenn (1518) | Won 2-1 | +181536 |
| 3sealed | 27 | Roth, Benjamin (1519) | Won 2-1 | +181554 |
| 4sealed | 70 | Weitz, David (1745) | Lost 1-2 | -151539 |
| 5sealed | 121 | Ralsten, Rick (1506) | Won 2-0 | +181557 |
| 6sealed | 59 | Wee, Olwen (1508) | Lost 0-2 | -191538 |
| 7sealed | 65 | Hefner, Eric (1490) | Lost 0-2 | -191519 |
| 8sealed | 94 | Sharpe, Dave (1518) | Won 2-1 | +181537 |
| top | average opponent: 1538record: 5-3 | new rating: 1537 | ||