Pool, Zachary
Current rating: 1553
Record: 18-17
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 296 | Reid, Lee (1500) | Lost 0-2 | -191522 |
| 2sealed | 397 | Pearson, Nadine (1500) | Won 2-0 | +181540 |
| 3sealed | 526 | Vargas, Christopher (1500) | Won 2-0 | +171557 |
| 4sealed | 235 | Deodato, Andrew (1520) | Won 2-0 | +171574 |
| 5sealed | 166 | Buck, Robert (1524) | Lost 1-2 | -191555 |
| 6sealed | 401 | Olsen, Erik (1571) | Won 2-0 | +191574 |
| 7sealed | 136 | DiGerolamo, Keith (1418) | Lost 1-2 | -211553 |
| top | average opponent: 1505record: 4-3 | new rating: 1553 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Carter, Ariel (1493) | Won 2-0 | +171556 |
| 2sealed | 204 | Castillo, Tomas (1517) | Lost 1-2 | -191537 |
| 3sealed | 410 | Burns, James (1501) | Won 2-0 | +171554 |
| 4sealed | 336 | Yeh, Chih-Cheng (1985) | Lost 0-2 | -101544 |
| 5sealed | 420 | Demers, Alexis (1594) | Lost 0-2 | -171527 |
| 6sealed | 360 | McKnight, Kasie (1231) | Won 2-0 | +121539 |
| 7sealed | 349 | Chen, Jimmy (1645) | Won 2-0 | +201559 |
| 8sealed | 282 | Song, Jungin (1530) | Lost 1-2 | -181541 |
| top | average opponent: 1562record: 4-4 | new rating: 1541 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 226 | Carpentier, Renaud (1500) | Won 2-0 | +191469 |
| 2standard | 182 | Pierson, Brandon (1518) | Won 2-0 | +191488 |
| 3standard | 203 | Pastore, Kellen (1820) | Lost 0-2 | -121476 |
| 4standard | 200 | Peters, Brian (1598) | Won 2-0 | +201496 |
| 5standard | 164 | Cohen, Mike (1673) | Lost 0-2 | -151481 |
| 6standard | 176 | Dunleavey, Michael (1476) | Won 2-1 | +181499 |
| 7standard | 140 | Hyler, Nicholas (1573) | Lost 0-2 | -171482 |
| 8standard | 268 | Smieja, Robert (1518) | Won 2-1 | +191501 |
| 9standard | 132 | Word, James (1668) | Won 2-1 | +211522 |
| 10standard | 482 | McIsaac, Neil (1570) | Won 2-1 | +191541 |
| 11standard | 382 | Chin, Ricky (1805) | Lost 0-2 | -131528 |
| 12standard | 416 | Gareau, Philippe (1892) | Won 2-1 | +241552 |
| 13standard | 391 | Pargh, William (1701) | Lost 0-2 | -151537 |
| 14standard | 434 | Sacks, Neal (1645) | Lost 1-2 | -161521 |
| 15standard | 428 | Holter, Dereck (1512) | Won 2-0 | +181539 |
| top | average opponent: 1631record: 9-6 | new rating: 1539 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 303 | Becker, Jennifer (1500) | Won 2-0 | +181518 |
| 2standard | 373 | Kottwitz, James (1518) | Lost 0-2 | -181500 |
| 3standard | 689 | Long, Michael (1533) | Lost 0-2 | -171483 |
| 4standard | 701 | Chen, Jeffrey 2 (1682) | Lost 0-2 | -151468 |
| 5standard | 810 | Dies, Erik (1464) | Lost 0-2 | -181450 |
| top | average opponent: 1540record: 1-4 | new rating: 1450 | ||