Byrn, David
Current rating: 1637
Record: 71-59-2
- 2013
- 2014
- 2015
- 2016
- 2017
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 167 | Lamm, Rik (1577) | Lost 0-2 | -191637 |
| top | record: 0-1 | new rating: 1637 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 311 | Ostrow, Elijah (1518) | Lost 0-2 | -201573 |
| 3sealed | 407 | Laurel, Matthew (1458) | Draw 1-1 | -21571 |
| 4sealed | 581 | Ortiz Boix, Carla (1452) | Won 2-0 | +161587 |
| 5sealed | 388 | Tobin, David (1518) | Won 2-0 | +171604 |
| 6sealed | 240 | Dobrow, Joseph (1600) | Won 2-0 | +181622 |
| 7sealed | 153 | De La Rosa, Eddy (1548) | Won 2-0 | +161638 |
| 8sealed | 83 | Keenan, Gabriel (1498) | Won 2-0 | +161654 |
| 9sealed | 48 | Hristis, Michael (1821) | Won 2-1 | +211675 |
| 10draft | 72 | Hu, Shengling (1649) | Lost 1-2 | -191656 |
| 11draft | 167 | Katz, Mark (1571) | Won 0-0 | +171673 |
| 12draft | 153 | Marin, Julian (1759) | Lost 1-2 | -171656 |
| top | average opponent: 1581record: 7-3-1 | new rating: 1656 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 21 | Rhodes, Isaiah (1518) | Lost 0-2 | -191593 |
| top | record: 0-1 | new rating: 1593 | ||
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1705 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 39 | Lazzarotto, Kohner (1593) | Won 2-1 | +161721 |
| 3sealed | 257 | Jordan, Michael (1601) | Lost 0-2 | -211700 |
| 4sealed | 336 | Zezula, John (1624) | Lost 1-2 | -191681 |
| 5sealed | 421 | Comber, Geoffrey (1502) | Lost 1-2 | -211660 |
| 6sealed | 384 | Aust, Michael (1548) | Lost 0-2 | -201640 |
| 7sealed | 397 | Overlin, Kristina (1342) | Won 2-0 | +131653 |
| 8sealed | 339 | Clinard, Jeffrey (1485) | Lost 1-2 | -211632 |
| 9sealed | 290 | Conboy, James (1571) | Lost 0-1 | -201612 |
| top | average opponent: 1533record: 2-6 | new rating: 1612 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 95 | Grauer, Peter (1518) | Lost 0-2 | -191581 |
| 3sealed | 602 | Phillips, Sean (1500) | Won 0-0 | +171598 |
| 4sealed | 310 | Ching, Michael (1476) | Lost 0-2 | -211577 |
| 5sealed | 398 | Corbett, Matthew (1502) | Won 2-1 | +171594 |
| 6sealed | 307 | Lesage, Jason (1502) | Won 2-0 | +161610 |
| 7sealed | 242 | Guyot, Alexandre (1536) | Won 2-0 | +171627 |
| 8sealed | 160 | Wyliehart, Tom (1592) | Lost 0-2 | -191608 |
| 9sealed | 205 | Waldock, Tony (1540) | Won 2-1 | +171625 |
| 10draft | 43 | Mondello, Jake (1879) | Won 2-1 | +231648 |
| 11draft | 41 | Hu, Shengling (1657) | Won 2-1 | +181666 |
| 12draft | 40 | Flores, Christian (1649) | Lost 0-2 | -191647 |
| 13draft | 69 | Sorum, Sindre (1574) | Won 2-1 | +171664 |
| 14draft | 24 | Dizon, Marcel (1799) | Won 2-1 | +211685 |
| 15draft | 52 | Weller-Gordon, Brian (1802) | Won 2-1 | +201705 |
| top | average opponent: 1609record: 10-4 | new rating: 1705 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 106 | Clark, Jeremiah (1565) | Lost 0-2 | -191611 |
| 3modern | 516 | Vajda, Andy (1473) | Lost 0-0 | -211590 |
| 4modern | 502 | Speegle, Danny (1457) | Won 2-1 | +161606 |
| 5modern | 421 | Roberson, Nicholas (1501) | Won 2-0 | +161622 |
| 6modern | 1033 | Stevens, Michael (1426) | Lost 0-2 | -221600 |
| top | average opponent: 1484record: 2-3 | new rating: 1600 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1686 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 29 | Lloyd, Brad (1517) | Won 2-0 | +151701 |
| 3sealed | 182 | Jennings, Michael (1526) | Lost 1-2 | -211680 |
| 4sealed | 470 | Hewes, Benjamin (1520) | Lost 0-2 | -211659 |
| 5sealed | 408 | Banda, Luis (1499) | Lost 0-2 | -211638 |
| 6sealed | 509 | Munoz, Zakery (1455) | Won 2-1 | +151653 |
| 7sealed | 395 | Herdman, William (1389) | Lost 0-2 | -231630 |
| top | average opponent: 1484record: 2-4 | new rating: 1630 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 241 | Heath, Christopher (1730) | Won 2-1 | +191684 |
| 3sealed | 196 | Chavez, Daniel (1536) | Won 2-0 | +161700 |
| 4sealed | 89 | Tierney, Seth (1544) | Lost 1-2 | -211679 |
| 5sealed | 108 | Ables, Dustin (1514) | Won 2-0 | +151694 |
| 6sealed | 70 | Bastecki, Alex (1582) | Lost 1-2 | -201674 |
| 7sealed | 188 | Baker, Brandon (1610) | Won 2-1 | +171691 |
| 8sealed | 104 | Rose, Eam (1556) | Won 2-1 | +151706 |
| 9sealed | 65 | Sarsfield, Corey (1591) | Lost 1-2 | -201686 |
| top | average opponent: 1583record: 5-3 | new rating: 1686 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1638 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 336 | Gibbons, Matthew (1521) | Won 2-1 | +161654 |
| 3standard | 209 | Otwell, Christopher (1494) | Won 2-0 | +151669 |
| 4standard | 62 | Swepston, Pete (1537) | Won 2-1 | +151684 |
| 5standard | 43 | Hertz, Michael (1681) | Won 2-1 | +181702 |
| 6standard | 23 | Sperling, Matthew (2161) | Lost 0-2 | -101692 |
| 7standard | 85 | Lytle, Tyler (1688) | Won 2-0 | +181710 |
| 8standard | 19 | Phelps, John (1601) | Won 2-1 | +161726 |
| 9standard | 10 | Cahill, Steve (1780) | Won 2-1 | +191745 |
| 10standard | 7 | Dutcher, Peter (1693) | Won 2-0 | +171762 |
| 11standard | 5 | Marino, Lee (1732) | Lost 1-2 | -181744 |
| 12standard | 13 | Bernard, Bryan (1630) | Lost 1-2 | -201724 |
| 13standard | 35 | Feeman, Dylan (1677) | Lost 1-2 | -191705 |
| 14standard | 50 | Lalague, Marc (1685) | Lost 0-2 | -191686 |
| 15standard | 51 | White, Daniel (1501) | Lost 0-2 | -211665 |
| top | average opponent: 1670record: 8-6 | new rating: 1665 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1653 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 40 | Montgomery, Mark J. (1486) | Lost 0-2 | -211632 |
| 3sealed | 305 | Hampton, Andrew (1561) | Lost 0-2 | -191613 |
| 4sealed | 453 | Shan, Kevin (1431) | Won 2-1 | +141627 |
| 5sealed | 295 | Horner, Justin (1473) | Won 2-1 | +161643 |
| 6sealed | 220 | Baboussis, George (1495) | Lost 1-2 | -211622 |
| 7sealed | 270 | Sosin, Yale (1508) | Won 2-1 | +161638 |
| top | average opponent: 1492record: 3-3 | new rating: 1638 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 384 | States, Matt (1526) | Won 2-1 | +171575 |
| 3standard | 174 | Koo, Eugene (1481) | Won 2-1 | +171592 |
| 4standard | 360 | Carsey, Timothy (1554) | Lost 0-2 | -191573 |
| 5standard | 285 | Gardner, Daniel K [USA] (1626) | Won 2-1 | +191592 |
| 6standard | 119 | Thuemler, Joseph (1598) | Won 2-1 | +181610 |
| 7standard | 115 | Greeson, Kevin (1501) | Won 2-0 | +161626 |
| 8standard | 55 | Anderson, Neil (1837) | Lost 1-2 | -141612 |
| 9standard | 94 | DiRoma, Andrew (1561) | Won 2-1 | +171629 |
| 10standard | 44 | Dorman, Rayman (1649) | Won 2-1 | +181647 |
| 11standard | 18 | Vega, Brian (1605) | Won 2-1 | +181665 |
| 12standard | 11 | Ryan, Matthew (1728) | Lost 1-2 | -171648 |
| 13standard | 51 | Ip, Chun Hang (1627) | Lost 0-2 | -191629 |
| 14standard | 66 | Juza, Martin (1954) | Won 2-0 | +241653 |
| 15standard | 42 | Mitchell, Michael (1562) | ID | 01653 |
| top | average opponent: 1629record: 9-4-1 | new rating: 1653 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 34 | Otwell, Christopher (1508) | Lost 0-2 | -181497 |
| 3sealed | 293 | Hall, Jordan (1482) | Won 2-0 | +171514 |
| 4sealed | 257 | Taylor, Jaryn (1500) | Won 2-0 | +181532 |
| 5sealed | 173 | Ogreenc, Greg (1729) | Won 2-1 | +221554 |
| 6sealed | 34 | Kuehnl, Zachary (1567) | Lost 1-2 | -181536 |
| 7sealed | 163 | Rudolph, Chris (1498) | Won 2-1 | +171553 |
| 8sealed | 96 | Utter-Leyton, Josh (1850) | Won 2-0 | +241577 |
| 9sealed | 88 | Holliday, Dennis (1543) | Lost 0-2 | -191558 |
| top | average opponent: 1585record: 5-3 | new rating: 1558 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1047 | Kassari, John (1735) | Lost 1-2 | -151552 |
| 4sealed | 1093 | Salway, Talin (1522) | Lost 0-2 | -191533 |
| 5sealed | 1156 | Temming, Sam (1500) | Lost 0-2 | -181515 |
| top | average opponent: 1586record: 0-3 | new rating: 1515 | ||
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 126 | Bose, Arjune (1505) | Lost 1-2 | -191553 |
| 4standard | 251 | Franklin, M.J. (1517) | Won 2-0 | +181571 |
| 5standard | 259 | Mosij, Jeremiah (1533) | Won 2-1 | +171588 |
| 6standard | 224 | Moses, Jason (1438) | Won 2-1 | +151603 |
| 7standard | 149 | Remley, Brandon (1647) | Lost 0-2 | -171586 |
| 8standard | 230 | Graham, Brian (1534) | Lost 1-2 | -191567 |
| top | average opponent: 1529record: 3-3 | new rating: 1567 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 256 | Carr, Darin (1537) | Won 2-0 | +181571 |
| 4sealed | 103 | Kassem, Jeremy (1609) | Lost 1-2 | -181553 |
| 5sealed | 281 | Branum, Joshua (1440) | Won 2-0 | +161569 |
| 6sealed | 139 | Neuding, Aaron (1547) | Lost 1-2 | -181551 |
| 7sealed | 252 | Morlock, Ryan (1563) | Won 2-1 | +181569 |
| 8sealed | 169 | Burris, Christopher (1583) | Lost 1-2 | -181551 |
| 9sealed | 254 | Koepke, Devin (1722) | Won 2-0 | +211572 |
| top | average opponent: 1572record: 4-3 | new rating: 1572 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 536 | Vincent, Nehemiah (1518) | Won 2-0 | +181537 |
| 3sealed | 536 | Pennock, Chris (1538) | Won 2-0 | +181555 |
| 4sealed | 534 | Cuvelier, John (1808) | Won 2-0 | +221577 |
| 5sealed | 452 | Maher, Bob (1807) | Draw 1-1 | +41581 |
| 6sealed | 368 | Borcherding, Grant (1612) | Won 2-1 | +191600 |
| 7sealed | 299 | Haavikko, Axel (1592) | Won 2-0 | +181618 |
| 8sealed | 246 | Pei, Joseph (1596) | Lost 1-2 | -191599 |
| 9sealed | 198 | Marat, John (1671) | Won 2-1 | +201619 |
| 10draft | 187 | Daggett, Anthony (1614) | Lost 0-2 | -191600 |
| 11draft | 170 | Leite Araujo, Joao Paulo (1725) | Lost 1-2 | -151585 |
| 12draft | 177 | Lloyd, Alex (1843) | Lost 1-2 | -141571 |
| 13draft | 148 | Allen, John (1548) | Lost 0-2 | -181553 |
| top | average opponent: 1656record: 6-5-1 | new rating: 1553 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 50 | Maestas, Jessica (1466) | Won 2-1 | +171517 |
| 2modern | 187 | Baker, Jake (1500) | Won 2-0 | +181535 |
| 3modern | 27 | Pavelchak, Drew (1584) | Lost 1-2 | -171518 |
| 4modern | 198 | Nash, Chris (1473) | Won 2-1 | +171535 |
| 5modern | 135 | Whitney, Cooper (1544) | Lost 0-2 | -181517 |
| 6modern | 184 | Zabawa, Steve (1486) | Lost 0-2 | -181499 |
| 7modern | 244 | Searles, James (1592) | Won 2-0 | +191518 |
| 8modern | 164 | Barmon, Erik (1522) | Lost 0-2 | -171501 |
| 9modern | 184 | Hughes, Zack (1502) | Won 2-0 | +181519 |
| top | average opponent: 1519record: 5-4 | new rating: 1519 | ||