Koblentz, Ross
Current rating: 1455
| Grand Prix Chicago 2012 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 98 | Sanders, Richard A (1500) | Won 2-1 | +191469 |
| 2modern | 112 | Boehm, Christopher (1554) | Won 2-1 | +191488 |
| 3modern | 150 | Sklar, Jacob (1614) | Lost 1-2 | -151473 |
| 4modern | 282 | Jackson, Jacob (1482) | Lost 1-2 | -181455 |
| 5modern | 320 | Scheer, Kevin (1499) | Won 2-1 | +191474 |
| 6modern | 302 | Randle, Douglas (1450) | Lost 0-2 | -191455 |
| top | average opponent: 1517record: 3-3 | new rating: 1455 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 94 | Suarez, Felipe (1561) | Lost 1-2 | -161448 |
| 2modern | 316 | Navickas, Joseph M (1466) | Lost 0-2 | -181430 |
| 3modern | 415 | STEPP, KURT (1464) | Won 2-0 | +191449 |
| 4modern | 435 | KNAN, NOLAN (1498) | Lost 1-2 | -181431 |
| 5modern | 429 | Frazier, Kurtis (1460) | Won 2-0 | +191450 |
| top | average opponent: 1490record: 2-3 | new rating: 1450 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 174 | Burgstahler, Inga (1500) | Draw 1-1 | 01500 |
| 2legacy | 165 | Marion, Pascal (1500) | Lost 0-2 | -181482 |
| 3legacy | 233 | DeFazio, Mike (1483) | Won 2-1 | +181500 |
| 4legacy | 195 | Kubic, Dylan J (1500) | Lost 0-2 | -181482 |
| 5legacy | 235 | Bettens, Joshua D (1473) | Lost 1-2 | -181464 |
| top | average opponent: 1491record: 1-3-1 | new rating: 1464 | ||