Stemmer, Arno
Current rating: 1462
Record: 15-18-3
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 722 | Bugarin, William (1594) | Won 2-0 | +201495 |
| 2modern | 554 | Hair, Ruben (1517) | Lost 0-2 | -181477 |
| 3modern | 1250 | Shivji, Qail (1644) | Won 2-0 | +211498 |
| 4modern | 902 | Noel, Jacob (1666) | Lost 1-2 | -151483 |
| 5modern | 792 | Stepka, Benjamin (1408) | Lost 1-2 | -191464 |
| 6modern | 968 | Credo, Jeremy (1422) | Won 2-0 | +171481 |
| 7modern | 740 | Pepo, Michael (1402) | Lost 0-2 | -191462 |
| top | average opponent: 1522record: 3-4 | new rating: 1462 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 6 | Heybl, Jacob (1500) | Lost 1-2 | -181451 |
| 2modern | 833 | Mendoza Cruz, Gerardo (1600) | Won 2-1 | +211472 |
| 3modern | 801 | Ayala, Albert (1447) | Won 2-1 | +181490 |
| 4modern | 538 | Palmer, James (1446) | Won 2-0 | +171507 |
| 5modern | 261 | Sun, Aaron (1490) | Lost 0-2 | -181489 |
| 6modern | 503 | Cummings, Forrest (1516) | Won 2-1 | +181507 |
| 7modern | 393 | Calvi, Jack (1697) | Draw 1-1 | +31510 |
| 8modern | 332 | Ruger, Zackary (1538) | Lost 1-2 | -171493 |
| 9modern | 453 | Moreno, Anthony (1479) | Lost 0-2 | -181475 |
| top | average opponent: 1523record: 4-4-1 | new rating: 1475 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 204 | Thuemler, Joseph (1539) | Lost 1-2 | -181487 |
| 2standard | 441 | London, Adam (1485) | Draw 1-1 | 01487 |
| 3standard | 711 | Sulak, Andrew (1463) | Draw 1-1 | 01487 |
| 4standard | 766 | McCormick, Gabriel (1482) | Lost 0-2 | -181469 |
| top | average opponent: 1492record: 0-2-2 | new rating: 1469 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 66 | Jephson, Wiley (1500) | Won 2-1 | +181503 |
| 2extended | 317 | Edelson, Steve (1554) | Lost 0-2 | -171486 |
| 3extended | 183 | Hereford, Patrick (1538) | Won 2-1 | +191505 |
| 4extended | 258 | Downey, Shane (1412) | Won 2-1 | +171522 |
| 5extended | 165 | Mammarella, Blaze (1613) | Won 2-0 | +191541 |
| 6extended | 113 | Atashian, Christopher (1561) | Lost 0-2 | -171524 |
| 7extended | 154 | Nicosia, Alvaro (1482) | Lost 0-2 | -191505 |
| top | average opponent: 1523record: 4-3 | new rating: 1505 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 101 | dandurand, Scott T (1500) | Lost 0-2 | -191523 |
| 2block | 191 | Malone, Matthew (1463) | Lost 0-2 | -191504 |
| 3block | 267 | Leigh, Conor (1463) | Lost 1-2 | -191485 |
| top | average opponent: 1475record: 0-3 | new rating: 1485 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 246 | carmack, paul c (1482) | Won 2-0 | +181518 |
| 3extended | 44 | Dean, Mark (1481) | Won 0-0 | +171535 |
| 4extended | 7 | Nguyen, Paul (1555) | Won 2-1 | +181553 |
| 5extended | 7 | Howard, David (1661) | Lost 0-2 | -161537 |
| 6extended | 52 | Irvine, David (1790) | Lost 0-2 | -131524 |
| 7extended | 92 | Woods, Colby D (1519) | Won 2-0 | +181542 |
| top | average opponent: 1581record: 4-2 | new rating: 1542 | ||