Spellman, Mark
Current rating: 1503
Record: 8-8
| Grand Prix New York 2016 (SOI standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 350 | Gibbs, Chris (1500) | Won 2-0 | +181536 |
| 2standard | 226 | Kennedy, Rhett (1518) | Won 2-1 | +171553 |
| 3standard | 14 | Newby, John (1600) | Lost 0-2 | -171536 |
| 4standard | 538 | Rapp, Nicholas (1679) | Won 2-0 | +211557 |
| 5standard | 205 | Donato, Marino (1661) | Lost 0-2 | -161541 |
| 6standard | 477 | Kwok, Andy (1519) | Lost 1-2 | -191522 |
| 7standard | 540 | Wen, Ming (1465) | Lost 0-2 | -191503 |
| average opponent: 1563record: 3-4 | new rating: 1503 | |||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 852 | Kimmel, Tyler (1500) | Lost 0-2 | -181482 |
| 2standard | 1014 | Rudy, Ian (1482) | Lost 0-2 | -181464 |
| 3standard | 1031 | Plier, James (1464) | Won 2-0 | +181482 |
| 4standard | 970 | Devlin, Ryan (1485) | Won 2-1 | +181500 |
| 5standard | 844 | Alvarado, Miguel (1500) | Lost 1-2 | -181482 |
| 6standard | 886 | Clabaugh, Michael A (1483) | Lost 1-2 | -181464 |
| 7standard | 834 | Roop, David (1464) | Won 2-0 | +181482 |
| 8standard | 769 | Costantini, Mark (1480) | Won 2-0 | +181500 |
| 9standard | 718 | Howard, Keith (1505) | Won 2-0 | +181518 |
| average opponent: 1485record: 5-4 | new rating: 1518 | |||