Neff, Michael
Current rating: 1409
Record: 24-31
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 248 | Bollenback, David (1547) | Lost 1-2 | -161446 |
| 2modern | 282 | Vegas, Sergio (1421) | Lost 0-2 | -191427 |
| 3modern | 405 | Smith, Airrion (1437) | Lost 0-2 | -181409 |
| top | average opponent: 1468record: 0-3 | new rating: 1409 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 741 | Acuna, Martin (1538) | Won 2-0 | +201469 |
| 2sealed | 693 | Lloyd, Jed (1543) | Won 2-1 | +191488 |
| 3sealed | 570 | Bianchi, Alex (1665) | Lost 0-2 | -151473 |
| 4sealed | 812 | Kohrs, Brandon (1648) | Lost 0-2 | -151458 |
| 5sealed | 955 | Kiefer, Lucas (1593) | Lost 0-2 | -151443 |
| 6sealed | 981 | Armstrong, Lucas (1484) | Won 2-0 | +191462 |
| 7sealed | 936 | Peacock, Connor (1502) | Won 2-0 | +181480 |
| 8sealed | 856 | Wollney, Nicholas (1472) | Lost 1-2 | -181462 |
| top | average opponent: 1555record: 4-4 | new rating: 1462 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 49 | Nunez, Jonathan (1549) | Won 2-1 | +191497 |
| 3sealed | 101 | Barich, Aaron (1767) | Lost 0-2 | -131484 |
| 4sealed | 565 | Seratt, Kelsea (1517) | Won 2-0 | +191503 |
| 5sealed | 133 | Mahaffey, Christopher (1516) | Lost 1-2 | -181485 |
| 6sealed | 550 | Boyle, Jules (1477) | Lost 0-2 | -181467 |
| 7sealed | 484 | Peng, Bo (1479) | Lost 0-2 | -181449 |
| top | average opponent: 1551record: 2-4 | new rating: 1449 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 127 | Tait, Brandon (1521) | Lost 0-2 | -181477 |
| 3standard | 292 | Bowden, Erin (1498) | Won 2-0 | +191496 |
| 4standard | 314 | Amann, Erik C (1518) | Lost 1-2 | -181478 |
| 5standard | 473 | Stone, Martin (1500) | Won 2-1 | +181496 |
| 6standard | 258 | Fluet, Adam (1475) | Lost 0-2 | -181478 |
| top | average opponent: 1502record: 2-3 | new rating: 1478 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 63 | Husted, Joshua (1451) | Lost 0-2 | -191477 |
| 3legacy | 443 | Lothamer, Nathan (1381) | Won 2-1 | +161493 |
| 4legacy | 243 | Maher, Daniel [USA] (1488) | Lost 0-2 | -181475 |
| 5legacy | 306 | Jung, Theodore (1474) | Won 2-1 | +181493 |
| 6legacy | 245 | Williams, Sam (1651) | Won 2-1 | +211514 |
| 7legacy | 169 | Hair, Chris (1443) | Lost 1-2 | -191495 |
| top | average opponent: 1481record: 3-3 | new rating: 1495 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 42 | Bingham, William (1536) | Won 2-1 | +191491 |
| 4sealed | 43 | Bencomo, Dennis (1532) | Lost 0-0 | -171474 |
| 5sealed | 164 | Raffensberger, Michael (1532) | Lost 1-2 | -171457 |
| 6sealed | 273 | Holmes, Peter (1484) | Won 2-0 | +191476 |
| 7sealed | 117 | Townsend, Patrick (1535) | Lost 1-2 | -171459 |
| 8sealed | 149 | Daugs, Mike (1478) | Won 2-0 | +181477 |
| 9sealed | 111 | Poindexter, Stephen (1524) | Won 2-0 | +191496 |
| top | average opponent: 1517record: 4-3 | new rating: 1496 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 621 | Van Hall, Justin (1518) | Won 2-0 | +191510 |
| 2sealed | 398 | Oladipo, Kenny (1518) | Won 2-1 | +181528 |
| 3sealed | 251 | Schenck, Keith (1452) | Lost 1-2 | -191509 |
| 4sealed | 543 | Bulnes, Armando (1487) | Lost 0-2 | -191490 |
| 5sealed | 557 | Barry, Alex (1490) | Lost 1-2 | -181472 |
| top | average opponent: 1493record: 2-3 | new rating: 1472 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Krauth, Sean P (1518) | Won 2-1 | +191487 |
| 2standard | 253 | Loveless, Evan (1497) | Won 2-1 | +181505 |
| 3standard | 175 | Datko, Joseph (1536) | Lost 0-2 | -181487 |
| 4standard | 225 | Zellers, Michael R (1519) | Won 2-1 | +191506 |
| 5standard | 124 | Arenas, Alejandro (1482) | Lost 0-2 | -181488 |
| 6standard | 353 | Dragone, Matthew (1522) | Won 2-0 | +181506 |
| 7standard | 251 | Zhang, Charles (1677) | Lost 1-2 | -151491 |
| top | average opponent: 1536record: 4-3 | new rating: 1491 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 1 | Daley, Joshua (1558) | Lost 1-2 | -171483 |
| 3standard | 327 | Lenihan, Eoin (1482) | Won 2-0 | +181501 |
| 4standard | 289 | Osorio, Martin (1501) | Won 2-0 | +181519 |
| 5standard | 80 | Grace, Tannon (1657) | Won 2-1 | +211540 |
| 6standard | 131 | Nieves, Gabriel (1572) | Lost 1-2 | -181522 |
| 7standard | 198 | Charlesworth, Riley (1474) | Lost 0-2 | -191503 |
| 8standard | 197 | Seaver, Scott A (1520) | Lost 0-2 | -171486 |
| 9standard | 198 | Sugranes, Oscar (1499) | Lost 1-2 | -181468 |
| top | average opponent: 1533record: 3-5 | new rating: 1468 | ||