Spence, Zack
Current rating: 1582
Record: 13-11 (GP) / 5-4 (professional)
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 209 | Dixon, Josh (1517) | Won 2-0 | +181578 |
| 3standard | 203 | Saunders, Jason (1506) | Lost 1-2 | -201558 |
| 4standard | 349 | Norris, Raymond L (1519) | Won 2-1 | +181576 |
| 5standard | 188 | Brieger, John (1523) | Won 2-0 | +171593 |
| 6standard | 159 | Pennell, Daniel (1556) | Won 2-1 | +171610 |
| 7standard | 109 | Jurkovic, Robert (2024) | Lost 0-2 | -111599 |
| 8standard | 185 | Parez, Julien (1660) | Lost 0-2 | -171582 |
| top | average opponent: 1615record: 4-3 | new rating: 1582 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 513 | Riccione, Jeremy (1518) | Won 2-1 | +171577 |
| 3legacy | 423 | Costa, Matthew (1841) | Won 2-0 | +231600 |
| 4legacy | 485 | Pratt, Taylor (1500) | Lost 0-2 | -201580 |
| 5legacy | 469 | Bono, Joe (1507) | Lost 0-2 | -201560 |
| top | average opponent: 1591record: 2-2 | new rating: 1560 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 166 | Owen, Derek (1518) | Won 2-0 | +181577 |
| 3sealed | 82 | Davis, Jim (1700) | Lost 0-2 | -161561 |
| 4sealed | 191 | Morin, Dalia (1517) | Won 2-1 | +171578 |
| 5sealed | 118 | Correia, Kevin (1679) | Won 2-0 | +201598 |
| 6sealed | 80 | O'Donnell, Patrick S (1526) | Lost 1-2 | -191579 |
| 7sealed | 66 | Eady, Brent (1528) | Lost 0-2 | -191560 |
| top | average opponent: 1578record: 3-3 | new rating: 1560 | ||
| Pro Tour Kyoto 2009 (CON standard) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | D'Ambrosio, Loren (1563) | Lost 0-2 | -181511 |
| 2standard | 150 | Rikola, Markku (1536) | Won 2-1 | +191530 |
| 3standard | 118 | Sherman, Sam (1635) | Won 2-0 | +201550 |
| 4standard | 53 | Creiche, Selim (1787) | Won 2-1 | +221572 |
| 5draft | 63 | Black, Samuel (1826) | Won 2-0 | +231595 |
| 6draft | 149 | Martinez Silhy, Carlos (1541) | Lost 1-2 | -191576 |
| 7draft | 108 | Hu, Haibing (1693) | Won 2-0 | +201596 |
| 8draft | 54 | Chick, Hoi (1618) | Lost 0-2 | -181578 |
| 9draft | 10 | Martinez Silhy, Carlos (1532) | Lost 0-2 | -191559 |
| top | average opponent: 1637record: 5-4 | new rating: 1559 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 67 | Thomson, Nicholas R (1483) | Won 2-0 | +181518 |
| 2block | 134 | Nicholson, Zack J (1519) | Won 2-0 | +181536 |
| 3block | 59 | Baril, Pierre-Paul (1536) | Won 2-0 | +181554 |
| 4block | 60 | Sibast, Rasmus (1762) | Lost 1-2 | -151539 |
| 5block | 86 | Swartz, Noah (1546) | Won 2-0 | +191558 |
| 6block | 84 | MacDonald, Dan J (1602) | Lost 0-2 | -181540 |
| 7block | 132 | Tenenbaum, Amiel (1910) | Lost 0-2 | -111529 |
| top | average opponent: 1622record: 4-3 | new rating: 1529 | ||