Zimmerman, Spencer
Current rating: 1646
Record: 41-32-1
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 64 | Ouellette, Ian (1500) | Won 2-1 | +171585 |
| 2pioneer | 272 | Becker, Shawn (1593) | Won 2-0 | +181603 |
| 3pioneer | 97 | Boyardee, Cliff (1786) | Won 2-0 | +211624 |
| 4pioneer | 42 | Longlais, Lucien (1783) | Lost 1-2 | -151609 |
| 5pioneer | 57 | Hartman, Benjamin (1626) | Lost 1-2 | -171592 |
| 6pioneer | 181 | Keffer, Christian (1683) | Won 2-0 | +191611 |
| 7pioneer | 159 | Sprung, Levi (1533) | Won 2-1 | +171628 |
| 8pioneer | 65 | Munroe, Brady (1557) | Won 2-0 | +161644 |
| 9pioneer | 52 | Braun, Noah (1510) | Won 2-0 | +161660 |
| 10pioneer | 24 | Jakobovits, Julian (1690) | Won 2-1 | +191679 |
| 11pioneer | 14 | Tilsen, Patrick (1631) | Lost 0-2 | -191660 |
| 12pioneer | 37 | Heine, Brian (1885) | Lost 1-2 | -141646 |
| top | average opponent: 1648record: 8-4 | new rating: 1646 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 172 | Sweet, Nathaniel (1518) | Lost 1-2 | -201590 |
| 3sealed | 358 | Jacob, Amber (1503) | Won 2-1 | +171607 |
| 4sealed | 366 | Gray, George (1548) | Lost 0-2 | -191588 |
| 5sealed | 343 | Bertel, Erik (1507) | Lost 1-2 | -201568 |
| top | average opponent: 1519record: 1-3 | new rating: 1568 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Sproston, Sean (1500) | Lost 0-2 | -211635 |
| 2sealed | 370 | French, David (1482) | Lost 1-2 | -211614 |
| 3sealed | 547 | Baker, William (1364) | Won 2-1 | +131627 |
| 4sealed | 501 | Carlton, Robert (1651) | Lost 0-2 | -171610 |
| top | average opponent: 1499record: 1-3 | new rating: 1610 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1650 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 149 | Huges, Cody (1500) | Won 2-0 | +151665 |
| 2modern | 382 | Moore, Malcolm (1517) | Won 2-1 | +161681 |
| 3modern | 272 | Perosky, Scotty (1458) | Lost 1-2 | -221659 |
| 4modern | 497 | Olds, Patrick (1604) | Won 2-1 | +171676 |
| 5modern | 285 | Eckard, Devin (1483) | Won 2-1 | +141690 |
| 6modern | 102 | Marsh, Zack (1557) | Lost 0-2 | -201670 |
| 7modern | 398 | Hawkins, Eric (1809) | Lost 1-2 | -161654 |
| 8modern | 474 | Chrisp, Sarah (1544) | Won 2-1 | +161670 |
| 9modern | 301 | Neal, Stephen (1849) | Lost 1-2 | -141656 |
| top | average opponent: 1591record: 5-4 | new rating: 1656 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 434 | TerHaar, Micah (1517) | Won 2-1 | +151676 |
| 2sealed | 180 | Brock, Hutch (1769) | Lost 0-2 | -161660 |
| 3sealed | 439 | See, Wesley (1578) | Lost 1-2 | -201640 |
| 4sealed | 710 | van Sickle, Joseph (1532) | Won 2-0 | +161656 |
| 5sealed | 467 | Wu, Tiger (1461) | Won 2-0 | +151671 |
| 6sealed | 296 | Elsner, Jason (1522) | Lost 0-2 | -211650 |
| top | average opponent: 1563record: 3-3 | new rating: 1650 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Hart, Travis (1529) | Won 2-0 | +181560 |
| 2sealed | 65 | Dail, Ryan (1580) | Won 2-0 | +181578 |
| 3sealed | 118 | Logan W., (1536) | Won 2-1 | +171595 |
| 4sealed | 99 | Sommerhalter, Matthew (1500) | Won 2-1 | +171612 |
| 5sealed | 66 | Bhagat, Zohar (1644) | Lost 0-2 | -181594 |
| 6sealed | 105 | Cornely, Raymond (1554) | Won 2-0 | +171611 |
| 7sealed | 82 | Coon, Robert (1548) | Won 2-0 | +171628 |
| 8sealed | 40 | Demestrio, Joe (1767) | Lost 0-2 | -151613 |
| 9sealed | 70 | Miller, Aaron (1524) | Won 2-1 | +161629 |
| 10sealed | 390 | Milliken, Joshua (1690) | Won 2-1 | +191648 |
| 11draft | 78 | Corvese, Harry (1971) | Won 2-0 | +241672 |
| 12draft | 93 | Arends, Randolph (1856) | Lost 0-2 | -151657 |
| 13draft | 55 | Wolfensberger, John (1597) | Won 2-0 | +171674 |
| 14draft | 66 | MacDonald, Dan (1696) | Won 2-1 | +191693 |
| 15draft | 53 | Woods, Conley (1893) | Lost 0-2 | -151678 |
| 16draft | 29 | Hanawalt, Stephen (1708) | Lost 0-2 | -171661 |
| top | average opponent: 1662record: 11-5 | new rating: 1661 | ||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Shi, Jin (1500) | Won 2-1 | +171561 |
| 2sealed | 34 | Ayers, Matt (1500) | Lost 0-2 | -191542 |
| 3sealed | 230 | Beety, John Dale (1521) | Lost 1-2 | -181524 |
| 4sealed | 283 | Renner, Mark (1628) | Won 2-1 | +201544 |
| 5sealed | 218 | Long, Mike (1436) | Draw 1-1 | -21542 |
| 6sealed | 254 | Tate, Jerimy (1474) | Won 2-0 | +161558 |
| 7sealed | 191 | Drane, Tyler (1525) | Won 2-0 | +181576 |
| 8sealed | 139 | Estrada, Caleb (1733) | Lost 0-2 | -151561 |
| 9sealed | 159 | Endicott, Stephan (1520) | Lost 1-2 | -191542 |
| top | average opponent: 1538record: 4-4-1 | new rating: 1542 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Hopper, Bryan (1500) | Won 2-0 | +191504 |
| 2sealed | 224 | Hebert, Katherine (1341) | Won 2-0 | +151519 |
| 3sealed | 152 | Evans, Alex (1527) | Won 2-1 | +181537 |
| 4sealed | 32 | Dougherty, Robert (1881) | Lost 0-2 | -121525 |
| 5sealed | 108 | Sallee, Matthew (1519) | Won 2-1 | +181543 |
| 6sealed | 103 | Lane, Brian (1541) | Lost 0-2 | -181525 |
| 7sealed | 138 | McCown, Boston (1489) | Won 2-0 | +171542 |
| 8sealed | 137 | Elder, Rich (1525) | Won 2-1 | +181560 |
| 9sealed | 98 | Edelkamp, Fred (1680) | Lost 0-2 | -161544 |
| top | average opponent: 1556record: 6-3 | new rating: 1544 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Welden, Jason (1489) | Won 2-0 | +181518 |
| 2sealed | 47 | Messick, Ryan (1609) | Lost 1-2 | -171501 |
| 3sealed | 224 | Gosche, Matt (1617) | Lost 0-2 | -151486 |
| 4sealed | 262 | Hebert, Dylan J (1483) | Won 2-0 | +181504 |
| 5sealed | 174 | Babb, Kevin (1501) | Lost 0-2 | -191485 |
| top | average opponent: 1540record: 2-3 | new rating: 1485 | ||