Davidson, Michael C
Current rating: 1622
Record: 23-16-1 (GP) / 1-4 (professional)
| Grand Prix Atlanta 2011 (extended) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 561 | Miggels, Stephen (1500) | Lost 0-2 | -191558 |
| 2extended | 619 | Manning, Ryan (1482) | Draw 1-1 | -21556 |
| 3extended | 615 | Herron, Andrew (1464) | Won 2-0 | +171573 |
| 4extended | 597 | Yoder, Trent S (1500) | Won 2-1 | +161589 |
| 5extended | 547 | Mayes, Erik (1517) | Won 2-0 | +171606 |
| 6extended | 498 | Murray, Scott (1478) | Won 2-0 | +161622 |
| 7extended | 461 | Connell, Christopher (1528) | Won 2-1 | +161638 |
| 8extended | 436 | White, Aaron (1756) | Lost 1-2 | -161622 |
| top | average opponent: 1528record: 5-2-1 | new rating: 1622 | ||
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 99 | Lempicki, Elizabeth (1748) | Won 2-1 | +221566 |
| 3sealed | 93 | Villines, Jonathan A (1535) | Won 2-0 | +171583 |
| 4sealed | 51 | Mabry, Chris (1573) | Lost 0-2 | -181565 |
| 5sealed | 62 | Manning, Christopher (1757) | Won 2-1 | +221587 |
| 6sealed | 88 | Yurchick, Adam (1982) | Won 2-1 | +251612 |
| 7sealed | 54 | Greene, Christopher (1678) | Lost 0-2 | -171595 |
| 8sealed | 58 | Schwartz, Greg C (1606) | Lost 1-2 | -181577 |
| top | average opponent: 1697record: 4-3 | new rating: 1577 | ||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 76 | Bowab, Parker (1500) | Won 2-1 | +181521 |
| 2block | 4 | Colleran, Edwin (1500) | Won 2-0 | +171538 |
| 3block | 13 | Stokinger, Andrew (1689) | Won 2-1 | +211559 |
| 4block | 28 | Tate, Jason (1532) | Lost 1-2 | -191540 |
| 5block | 42 | Freneau, Phil (1769) | Won 2-1 | +231563 |
| 6block | 21 | Hines, Stephen R (1554) | Lost 1-2 | -191544 |
| 7block | 82 | Upham, Bryan (1565) | Won 2-1 | +191563 |
| 8block | 44 | McAlpine, Ken (1537) | Lost 1-2 | -191544 |
| top | average opponent: 1581record: 5-3 | new rating: 1544 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 173 | Colfry, Ryan (1500) | Won 2-1 | +201443 |
| 2standard | 95 | Speagle, Phillip (1518) | Won 2-0 | +191462 |
| 3standard | 33 | Allseitz, Brandin (1536) | Lost 1-2 | -171445 |
| 4standard | 164 | Tatta, John (1568) | Won 2-0 | +211466 |
| 5standard | 111 | Thomas, Joe (1555) | Won 2-0 | +191485 |
| 6standard | 74 | Martin, Justin (1552) | Won 2-0 | +201505 |
| 7standard | 43 | Parker, Alex (1552) | Won 2-0 | +181523 |
| 8standard | 15 | Sottosanti, Paul (1664) | ID | 01523 |
| 9standard | 14 | Munlz, David (1558) | Won 2-0 | +191542 |
| 10standard | 7 | McLaughlin, Keith (1553) | Won 2-0 | +181560 |
| 11standard | 4 | Blume, Marco (1735) | Lost 0-2 | -151545 |
| 12standard | 16 | Nassif, Gabriel (2062) | Lost 1-2 | -91536 |
| 13standard | 16 | Zaun, Michael (1694) | Lost 0-2 | -151521 |
| 14standard | 23 | Zamberlan, Anthony (1509) | Lost 0-2 | -181503 |
| top | average opponent: 1611record: 8-5-1 | new rating: 1503 | ||
| Pro Tour Chicago 2003 (ONS rochester) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 28 | Camara, Marcio (1500) | Lost 0-2 | -181446 |
| 2rochester | 149 | Sullivan, Patrick (1567) | Lost 0-2 | -151431 |
| 3rochester | 147 | van der Velden, Stan (1624) | Lost 0-2 | -151416 |
| 4rochester | 144 | Hein, Dirk (1572) | Won 2-0 | +211437 |
| 5rochester | 146 | Kobayashi, Masanori (1680) | Lost 1-2 | -141423 |
| top | average opponent: 1589record: 1-4 | new rating: 1423 | ||
| Grand Prix New Orleans 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 108 | Hamburger, Justin (1500) | Won 2-0 | +181518 |
| 2sealed | 85 | Klauk, John (1519) | Lost 0-2 | -181500 |
| 3sealed | 102 | James, Don (1489) | Lost 0-2 | -181482 |
| 4sealed | 166 | Dooley, Jason (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1498record: 1-3 | new rating: 1464 | ||