Grimes, Zachary
Current rating: 1492
Record: 27-34
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 14 | Lunsford, Jared (1556) | Lost 0-2 | -171446 |
| 2standard | 219 | Friel, Patrick (1395) | Won 2-0 | +171463 |
| 3standard | 253 | Wilson, Miles (1429) | Won 2-1 | +181481 |
| 4standard | 174 | McClenaghan, David (1680) | Won 2-0 | +211502 |
| 5standard | 149 | Jamnik, Chad (1517) | Lost 1-2 | -181484 |
| 6standard | 133 | Anderson, Robert (1839) | Won 2-0 | +251509 |
| 7standard | 141 | Flynn, Patrick (1577) | Lost 0-2 | -171492 |
| top | average opponent: 1570record: 4-3 | new rating: 1492 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 387 | Kapitany, John (1500) | Lost 1-2 | -171414 |
| 2modern | 582 | Hargy, Andrew (1482) | Won 2-0 | +191433 |
| 3modern | 511 | Chieng, Philip (1601) | Won 2-1 | +211454 |
| 4modern | 453 | Costello, Drew (1492) | Won 2-0 | +191473 |
| 5modern | 386 | Boni, Sidney (1536) | Won 2-0 | +191492 |
| 6modern | 173 | Blum, Robert (1529) | Lost 1-2 | -171475 |
| 7modern | 248 | Shapiro, Aaron (1526) | Won 2-0 | +191494 |
| 8modern | 214 | Schwankl, Andre (1514) | Won 2-0 | +181512 |
| 9modern | 349 | Booth, Joseph (1668) | Lost 0-2 | -151497 |
| 10modern | 331 | Munch, Willie (1525) | Lost 1-2 | -181479 |
| 11modern | 354 | Braccio, Nathan (1537) | Lost 0-2 | -161463 |
| top | average opponent: 1537record: 6-5 | new rating: 1463 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2 | Belcher, William (1517) | Lost 1-2 | -161396 |
| 2standard | 353 | Della Grotte, Kevin (1470) | Lost 1-2 | -171379 |
| 3standard | 558 | White, Tariq (1465) | Won 2-0 | +201399 |
| 4standard | 491 | Countryman, Joseph (1538) | Won 2-1 | +201419 |
| 5standard | 389 | Lyons, Paul (1635) | Won 2-0 | +221441 |
| 6standard | 196 | Dolan, Brian (1590) | Lost 0-2 | -151426 |
| 7standard | 286 | Hollander, Aydan (1555) | Won 2-0 | +201446 |
| 8standard | 266 | Lloyd, Alex (1597) | Lost 0-2 | -151431 |
| top | average opponent: 1546record: 4-4 | new rating: 1431 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 283 | Hood, Jesse (1558) | Won 2-1 | +211431 |
| 3modern | 216 | Goldfarb, David (1881) | Won 2-0 | +261457 |
| 4modern | 178 | Sewell, Zach (1524) | Lost 1-2 | -171440 |
| 5modern | 345 | Rinell, Robert (1565) | Lost 0-2 | -161424 |
| 6modern | 531 | Naidu, Akash (1742) | Lost 1-2 | -121412 |
| top | average opponent: 1654record: 2-3 | new rating: 1412 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 217 | Estrada, Brenden (1482) | Lost 1-2 | -171405 |
| 3standard | 414 | Foster, Theresa (1500) | Won 2-0 | +201425 |
| 4standard | 150 | Long, Cody (1483) | Lost 1-2 | -171408 |
| 5standard | 374 | Kriner, Michael (1515) | Won 2-1 | +201428 |
| 6standard | 312 | Champagne, Jack (1463) | Lost 1-2 | -181410 |
| top | average opponent: 1489record: 2-3 | new rating: 1410 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 925 | Guevara, Franz (1678) | Won 2-1 | +221465 |
| 4legacy | 740 | Bower, James (1580) | Lost 0-2 | -161449 |
| 5legacy | 642 | Gamon, Matthew (1575) | Lost 0-2 | -151434 |
| 6legacy | 772 | Akpinar, Tim (1790) | Lost 1-2 | -121422 |
| top | average opponent: 1656record: 1-3 | new rating: 1422 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 722 | Wang, Carson (1649) | Lost 1-2 | -131410 |
| 2modern | 1040 | Hollander, Aydan (1482) | Won 2-0 | +191429 |
| 3modern | 1112 | Neil, Micah (1500) | Won 2-1 | +191448 |
| 4modern | 874 | Mathews, Paul (1688) | Lost 1-2 | -141434 |
| 5modern | 969 | Kiihne, Zachary (1549) | Lost 0-2 | -151419 |
| 6modern | 1059 | Obar, Christopher (1481) | Won 2-0 | +191438 |
| 7modern | 981 | Dusold, Phillip (1499) | Won 2-1 | +191457 |
| 8modern | 892 | Tremblay, Sebastien (1696) | Lost 0-2 | -141443 |
| top | average opponent: 1568record: 4-4 | new rating: 1443 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1176 | Wesoloski, Alex (1500) | Lost 1-2 | -171440 |
| 2modern | 1504 | Gillespie, Joseph (1481) | Lost 0-2 | -171423 |
| 3modern | 1607 | Riggeal, Nathan (1429) | Won 2-0 | +181441 |
| 4modern | 1503 | Capriolo, Paul (1484) | Lost 0-2 | -181423 |
| top | average opponent: 1473record: 1-3 | new rating: 1423 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 3 | Li, Si-Ning (1536) | Lost 1-2 | -171465 |
| 4standard | 181 | King, Patrick (1518) | Won 2-0 | +191484 |
| 5standard | 83 | Chapin, Patrick (1969) | Lost 1-2 | -101474 |
| 6standard | 159 | Vicini, Patrick (1523) | Lost 0-2 | -171457 |
| top | average opponent: 1636record: 1-3 | new rating: 1457 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Fusco, Don (1500) | Won 2-1 | +181518 |
| 2sealed | 196 | Colic, Alexander (1484) | Lost 0-2 | -191499 |
| 3sealed | 267 | Pozsgay, Michael (1553) | Won 2-1 | +191518 |
| 4sealed | 106 | Nunes, James (1484) | Lost 0-2 | -181500 |
| 6sealed | 139 | Harris, Ezra (1515) | Lost 0-2 | -181482 |
| top | average opponent: 1507record: 2-3 | new rating: 1482 | ||