Butzin, David
Current rating: 1362
Record: 25-34-1
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 185 | Reinhart, Cole (1500) | Won 2-1 | +201419 |
| 2standard | 326 | Wolfe, Henry (1446) | Won 2-0 | +181437 |
| 3standard | 331 | Squires, Robert (1509) | Lost 0-2 | -161421 |
| 4standard | 249 | Rivera, Emanuel (1698) | Lost 1-2 | -131408 |
| 5standard | 550 | Martinez, Steven 2 (1530) | Lost 1-2 | -161392 |
| 6standard | 614 | Snyder, Asa (1709) | Lost 0-2 | -131379 |
| 7standard | 575 | Doak, Sean (1426) | Lost 0-2 | -171362 |
| top | average opponent: 1545record: 2-5 | new rating: 1362 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 616 | Politis, Eleftherios (1520) | Lost 0-2 | -171452 |
| 2legacy | 664 | Hosseini, Adrian (1460) | Lost 0-2 | -181434 |
| 3legacy | 1060 | Wigton, Noah (1469) | Lost 1-2 | -181416 |
| 4legacy | 1153 | Dobberstein, Alex (1452) | Lost 1-2 | -171399 |
| top | average opponent: 1475record: 0-4 | new rating: 1399 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 78 | Drummond, Phillip (1518) | Lost 1-2 | -171486 |
| 3sealed | 302 | Zhao, Michael [USA] (1556) | Lost 0-2 | -171469 |
| 4sealed | 448 | Herreman, Scott (1482) | Won 2-0 | +181487 |
| 5sealed | 327 | Blanchet, Jean-Luc (1465) | Lost 1-2 | -181469 |
| top | average opponent: 1505record: 1-3 | new rating: 1469 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Kettering, Douglas (1441) | Won 2-0 | +181492 |
| 2sealed | 189 | Edelkamp, Fred (1815) | Lost 1-2 | -131479 |
| 3sealed | 488 | Sorensen, Derek (1468) | Won 2-1 | +181497 |
| 4sealed | 385 | Biron, Xavier (1635) | Lost 1-2 | -151482 |
| 5sealed | 320 | Wood, Victoria (1441) | Won 2-0 | +171499 |
| 6sealed | 363 | Branczek, Carl (1487) | Won 2-1 | +181517 |
| 7sealed | 155 | John, Alexander (1781) | Lost 0-2 | -141503 |
| top | average opponent: 1581record: 4-3 | new rating: 1503 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 231 | Brown, Nicholas (1500) | Lost 1-2 | -181453 |
| 2sealed | 527 | Mahaffey, Mike (1409) | Lost 0-2 | -191434 |
| 3sealed | 774 | Boone, Zac (1463) | Won 2-0 | +191453 |
| 4sealed | 766 | Carey, Joey (1607) | Won 2-1 | +211474 |
| 5sealed | 550 | Frohock, Louis (1465) | Won 2-0 | +181492 |
| 6sealed | 441 | Barnard, Ryeland (1524) | Lost 0-2 | -181474 |
| top | average opponent: 1495record: 3-3 | new rating: 1474 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 665 | Bourroughs, Chris (1585) | Lost 1-2 | -171507 |
| 3sealed | 913 | Coburn, Jonathan (1498) | Lost 0-2 | -181489 |
| 4sealed | 1136 | Weiler, John (1482) | Lost 0-2 | -181471 |
| top | average opponent: 1522record: 0-3 | new rating: 1471 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 52 | Shore, Ian (1459) | Won 2-0 | +171548 |
| 3standard | 10 | Orrison, Gerald (1525) | Won 2-0 | +181566 |
| 4standard | 46 | Herr, Shawn (1266) | Lost 0-2 | -241542 |
| 5standard | 143 | Hirst, Stephen R (1535) | Lost 0-2 | -181524 |
| 6standard | 133 | Sealy, Trey (1519) | Won 2-0 | +181542 |
| 7standard | 139 | Thom, Rick (1538) | Lost 0-2 | -181524 |
| top | average opponent: 1473record: 3-3 | new rating: 1524 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 58 | Casey, Kristopher (1500) | Lost 1-2 | -181501 |
| 2legacy | 251 | Canady, Sean (1440) | Lost 1-2 | -191482 |
| 3legacy | 322 | Cunningham, Quienton (1464) | Won 2-0 | +171499 |
| 4legacy | 409 | Letson, Travis (1481) | Lost 1-2 | -181481 |
| 5legacy | 379 | Levy, Daniel F (1394) | Won 2-1 | +171498 |
| 6legacy | 329 | Bates, Dale (1442) | Won 2-0 | +161514 |
| 7legacy | 247 | Wisniewski, Kristofer (1536) | Won 2-1 | +191533 |
| 8legacy | 186 | Hunt, Rusty (1462) | Won 2-0 | +171550 |
| 9legacy | 148 | Eilers, Mark (1532) | Lost 1-2 | -191531 |
| top | average opponent: 1472record: 5-4 | new rating: 1531 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 92 | Linder, Matthew (1500) | Won 2-0 | +181560 |
| 2extended | 101 | Barnes, Trek (1518) | Won 2-0 | +171577 |
| 3extended | 40 | Moore, Timothy G (1539) | Lost 1-2 | -191558 |
| 4extended | 186 | Rider, Derek (1473) | Lost 1-2 | -191539 |
| 5extended | 179 | Bly, Jeremiah D (1463) | Lost 1-2 | -201519 |
| top | average opponent: 1499record: 2-3 | new rating: 1519 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | O'Connor, Sean (1525) | Won 2-0 | +181518 |
| 2sealed | 3 | Suarez, Jonathan (1597) | Draw 1-1 | +21520 |
| 3sealed | 125 | Contreary, Colin (1518) | Lost 0-2 | -181502 |
| 4sealed | 234 | Barrett, Lance C (1500) | Won 2-0 | +181520 |
| 5sealed | 169 | White, Timothy A (1518) | Won 2-1 | +181538 |
| 6sealed | 105 | Hudson, William (1536) | Won 2-1 | +181556 |
| 7sealed | 63 | Rodemann, Dan (1739) | Won 2-0 | +211577 |
| 8sealed | 41 | Mercado, Guillermo (1624) | Lost 0-2 | -171560 |
| 9sealed | 72 | Wagner, Bob (1583) | Lost 0-2 | -181542 |
| top | average opponent: 1571record: 5-3-1 | new rating: 1542 | ||