Zimmerman, David
Current rating: 1529

Grand Prix Los Angeles 2019 (modern) starting rating: 1566
round table opponent (rating) result Δrating
2modern 130 Zamora, Eddie (1749) Lost 0-2 -151551
3modern 583 Garcia, Eli (1503) Won 2-0 +171568
4modern 351 Dewey, Will (1446) Lost 1-2 -201548
5modern 574 Miller, Kyle2954 (1638) Won 2-1 +201568
6modern 229 Hosler, Levi (1524) Lost 0-2 -191549
7modern 409 Marin, Travis (1460) Lost 0-2 -201529
top average opponent: 1553record: 2-4 new rating: 1529

Grand Prix Oakland 2019 (modern) starting rating: 1571
round table opponent (rating) result Δrating
2modern 7 Slone, Ryan (1686) Lost 0-2 -161555
3modern 313 Maathur, Jeevan (1505) Won 2-0 +171572
4modern 121 Hixson, Jeremy (1599) Won 2-0 +181590
5modern 243 Saltzman, Ryan (1571) Lost 0-2 -181572
6modern 269 Chow, Harold (1728) Won 2-1 +211593
7modern 194 Tan, Richard (1971) Lost 1-2 -121581
8modern 217 Park, James (1703) Lost 1-2 -151566
top average opponent: 1681record: 3-4 new rating: 1566

Grand Prix Portland 2018 (modern) starting rating: 1548
round table opponent (rating) result Δrating
2modern 278 Connell, Sawyer (1537) Won 2-0 +181566
3modern 58 Swift, Orrin (1810) Lost 0-2 -141552
4modern 499 Jeffress, Christopher (1423) Won 2-0 +161568
5modern 173 Staver, Alex (1778) Lost 1-2 -141554
6modern 306 Huston, Benjamin (1531) Won 2-1 +171571
7modern 347 DiBenedetto, Harry (1580) Won 2-1 +181589
8modern 175 Kravjanski, Thomas (1550) Lost 1-2 -181571
top average opponent: 1601record: 4-3 new rating: 1571

Grand Prix Seattle 2018 (standard) (RIX standard) starting rating: 1601
round table opponent (rating) result Δrating
2standard 243 Leach, William (1550) Won 2-1 +171618
3standard 186 Tanforan, Jeremy (1633) Lost 0-2 -171601
4standard 445 Hinderaker, Michael (2015) Lost 0-2 -111590
5standard 498 Grcic, Denin (1499) Lost 0-2 -201570
6standard 483 Guggemos, Jim (1410) Won 2-0 +151585
7standard 391 Lara-Ramirez, Diego (1492) Lost 0-2 -191566
8standard 320 Riecks, Matthew (1593) Lost 1-2 -181548
top average opponent: 1599record: 2-5 new rating: 1548

Grand Prix Portland 2017 (XLN standard) starting rating: 1601
round table opponent (rating) result Δrating
2standard 242 Bircher, Ryan (1516) Lost 0-2 -191582
3standard 448 Higbee, Wesley (1876) Lost 1-2 -131569
4standard 564 Beissinger, Peter (1481) Won 2-1 +171586
5standard 453 Ploch, Triston (1500) Won 2-0 +161602
6standard 394 Wells, Justin (1420) Won 2-1 +151617
7standard 157 Santana, Robert (1685) Won 2-0 +191636
8standard 113 Tierney, Patrick (1846) Lost 1-2 -141622
9standard 169 Nieto, David (1547) Won 2-0 +161638
10standard 181 McPoland, Stephen (1624) Won 2-0 +181656
11standard 69 Marklyn, Tyler (1791) Lost 0-2 -151641
12standard 164 Kahovec, Nate (1678) Lost 0-2 -181623
13standard 160 Parshall, Chris (1619) Lost 0-2 -181605
14standard 147 Nichols, Markus (1510) Won 2-1 +161621
15standard 132 Laurel, Matthew (1507) Lost 0-2 -201601
top average opponent: 1614record: 7-7 new rating: 1601

Grand Prix Denver 2017 (HOU standard) starting rating: 1502
round table opponent (rating) result Δrating
2standard 219 Hopkins, Khael (1507) Won 2-1 +191521
3standard 54 Craddock, William (1946) Lost 1-2 -111510
4standard 292[anonymous] Won 2-0 +161526
5standard 210 Goodell, Milo (1513) Won 2-0 +171543
6standard 92 Adams, Will (1506) Won 2-0 +181561
7standard 61 Selsing, Nicholas (1433) Lost 1-2 -211540
8standard 68 Hughes, Shawn (1662) Won 2-1 +201560
9standard 36 Lounsbury, Christopher (1626) Won 2-1 +201580
10standard 62 Nabi, Basil (1954) Lost 1-2 -121568
11standard 57 Berni, Roberto (1844) Won 2-1 +231591
12standard 34 De Jong, Brandon (1773) Lost 1-2 -151576
13standard 95 Graves, Mason (1583) Won 2-0 +191595
14standard 41 Rill, Eric (1898) Lost 0-2 -131582
15standard 76 Cooper, Geddes (1668) Won 2-0 +191601
top average opponent: 1664record: 9-5 new rating: 1601

Grand Prix Portland 2016 (EMN standard) starting rating: 1463
round table opponent (rating) result Δrating
1standard 224 Bernacel, Toshonni (1500) Lost 1-2 -171446
2standard 662 French, Cody (1482) Won 2-0 +181464
3standard 616 Cooke, Cody (1438) Won 2-0 +181482
4standard 378 DeLeve, Kevin (1521) Lost 1-2 -181464
5standard 534 Lally, Austin (1501) Won 2-1 +191483
6standard 338 Kay, Jeremy (1515) Won 2-0 +191502
7standard 250 Grimes, Sean (1498) Won 2-1 +181520
8standard 150 Song, Anthony (1585) Won 2-1 +191539
9standard 103 Romero, Henry (1936) Lost 0-0 -111528
10standard 191 Dickerson, Michael (1531) Won 2-1 +181546
11standard 106 Egashira, Kenji (1866) Won 2-0 +231569
12standard 73 Aguilera, Ryder (1760) Lost 1-2 -141555
13standard 110 Miller, William (1602) Lost 0-2 -171538
14standard 125 Jianu, Michael (1600) Lost 1-2 -171521
15standard 129 Varnier, Matt (1498) Lost 0-2 -191502
top average opponent: 1589record: 8-7 new rating: 1502

Grand Prix Albuquerque 2016 (SOI limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 102 Wilson, James (1410) Won 2-0 +161516
2sealed 96 Diaz, Daniel (1518) Lost 0-2 -181498
3sealed 349 Latimore, David (1466) Lost 0-2 -181480
4sealed 438 Stark, Nicholas (1482) Won 2-0 +181498
5sealed 332 Allen, Max (1491) Lost 1-2 -181480
6sealed 423 Sulser, Donavin (1499) Lost 1-2 -181462
7sealed 396 Strayer, Beverly (1480) Won 2-0 +181480
8sealed 333 Dickens, Jeff (1510) Lost 1-2 -171463
top average opponent: 1482record: 3-5 new rating: 1463