O'Brien, Chris
Current rating: 1807 (#2028)
Record: 100-75-2
- 2014
- 2015
- 2016
- 2017
- 2018
| Grand Prix Richmond 2018 (std) (M19 standard) | starting rating: 1866 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 63 | Crews, Matt (1508) | Won 2-0 | +121878 |
| 4standard | 13 | Sundstrom, Mark (1601) | Lost 1-2 | -231855 |
| 5standard | 115 | Noritake, Toshihiro (1467) | Lost 0-2 | -251830 |
| 6standard | 174 | Clift, Brent (1556) | Lost 1-2 | -231807 |
| top | average opponent: 1533record: 1-3 | new rating: 1807 | ||
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1820 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 7 | Lewis, Aaron (2062) | Won 2-1 | +231843 |
| 4sealed | 91 | Nelson, Evan (1812) | Lost 1-2 | -191824 |
| 5sealed | 226 | Christensen, Oscar (1865) | Won 2-0 | +191843 |
| 6sealed | 48 | Bonham, Nicholas (1664) | Won 2-1 | +151858 |
| 7sealed | 29 | Ortiz, Lance (1549) | Won 2-0 | +121870 |
| 8sealed | 30 | Paco Abenoza, Aria (1862) | Lost 1-2 | -181852 |
| 9sealed | 80 | Benefield, Eiko (1597) | Won 2-0 | +131865 |
| 10draft | 54 | Huang, Ray (2041) | Lost 1-2 | -141851 |
| 11draft | 54 | Ragsdale, Adam (2021) | Lost 0-2 | -151836 |
| 12draft | 53 | Herrera, Christopher (1577) | Won 2-0 | +131849 |
| 13draft | 152 | Koch, Florian (1914) | Won 2-0 | +191868 |
| 14draft | 138 | Peters, Kyle (1897) | Won 2-0 | +191887 |
| 15draft | 19 | Wood, Rick (1749) | Lost 0-2 | -211866 |
| top | average opponent: 1816record: 8-5 | new rating: 1866 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1822 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 69 | Brubaker, Ryan (1428) | Won 2-0 | +111833 |
| 4standard | 95 | Mai, Kevin (1557) | Won 2-0 | +131846 |
| 5standard | 75 | Graves, Robert (1895) | Won 2-1 | +191865 |
| 6standard | 35 | Rasmussen, Ben (1809) | Won 2-0 | +171882 |
| 7standard | 2 | Gaieski, Ethan (1964) | Lost 1-2 | -161866 |
| 8standard | 49 | Tilk, Jacob (1716) | Lost 0-2 | -211845 |
| 9standard | 74 | Romito, Alexander (1822) | Won 2-1 | +181863 |
| 10standard | 39 | Sarhan, Nizar (1695) | Won 2-1 | +151878 |
| 11standard | 57 | Romao, Carlos (1963) | Lost 0-2 | -171861 |
| 12standard | 46 | King, Kevin (1645) | Won 2-1 | +141875 |
| 13standard | 27 | Ragsdale, Adam (1977) | Lost 1-2 | -161859 |
| 14standard | 115 | Hymel, Eric (1761) | Lost 1-2 | -201839 |
| 15standard | 87 | Mondello, Jake (1779) | Lost 1-2 | -191820 |
| top | average opponent: 1770record: 7-6 | new rating: 1820 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1885 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 66 | Maier, Christopher (2085) | Lost 0-2 | -151870 |
| 4sealed | 216 | Kiefer, Quinn (1480) | Lost 1-2 | -241846 |
| 5sealed | 354 | Sauer, John (1519) | Won 2-0 | +121858 |
| 6sealed | 315 | Yu, Ming (1499) | Won 2-0 | +121870 |
| 7sealed | 191 | Hutchinson, Jacob (1481) | Lost 0-2 | -251845 |
| 8sealed | 221 | Bergmann, Michael (1476) | Won 2-0 | +111856 |
| 9sealed | 207 | McCamish, Ryan (1752) | Won 2-1 | +171873 |
| 10draft | 70 | Edwards, Mitchell (1822) | Won 2-0 | +171890 |
| 11draft | 67 | Vogt, Bradley (1635) | Lost 1-2 | -231867 |
| 12draft | 26 | Zimmer, Kurt (1662) | Lost 1-2 | -221845 |
| 13draft | 35 | Kaplin, Ben (1554) | Lost 1-2 | -231822 |
| top | average opponent: 1633record: 5-6 | new rating: 1822 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1778 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 393 | Bernet, Reed (1593) | Lost 0-2 | -211757 |
| 4sealed | 433 | Tran, Andrew (1582) | Won 2-1 | +151772 |
| 5sealed | 281 | Gomez, Niko (1668) | Won 2-0 | +161788 |
| 6sealed | 243 | Miller, Michael (1452) | Won 2-0 | +121800 |
| 7sealed | 74 | Ganz, Andreas (1807) | Won 2-0 | +181818 |
| 8sealed | 49 | Wong, Marcus (1633) | Won 2-1 | +151833 |
| 9sealed | 20 | Nolen, Lauren (1856) | Won 2-1 | +181851 |
| 10draft | 85 | Bundy, Adam (1788) | Won 2-0 | +171868 |
| 11draft | 232 | Nelson, Evan (1775) | Won 2-0 | +161884 |
| 12draft | 8 | Montoya, Brandon (2021) | Lost 1-2 | -151869 |
| 13draft | 69 | Zatlkaj, Matej (1940) | Lost 0-2 | -171852 |
| 14draft | 56 | D'Aniello, Carmine (1893) | Won 2-1 | +191871 |
| 15draft | 56 | Weinreich, Brian (1658) | Won 2-1 | +141885 |
| top | average opponent: 1743record: 10-3 | new rating: 1885 | ||
| Grand Prix Montreal 2017 (AKH standard) | starting rating: 1811 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 2080 | Canfield, Delray (1557) | Lost 0-2 | -231788 |
| 4standard | 2201 | Kmieciak, Christopher (1434) | Won 2-1 | +121800 |
| 5standard | 2080 | Wang, Jacky (1892) | Won 2-0 | +201820 |
| 6standard | 2034 | Delano, Jonathan (1772) | Lost 1-2 | -191801 |
| 7standard | 2172 | Correia, Gabriel (1521) | Lost 1-2 | -231778 |
| top | average opponent: 1635record: 2-3 | new rating: 1778 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1776 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 229 | Geoffrion, Peter (1572) | Won 2-1 | +141790 |
| 4sealed | 197 | Geoffrion, Bryan (1553) | Lost 0-2 | -221768 |
| 5sealed | 308 | Bryant, Connor (1678) | Won 2-0 | +161784 |
| 6sealed | 217 | Brierley, Michael (1764) | Won 2-1 | +181802 |
| 7sealed | 45 | Kerrigan, Andrew (1780) | Won 2-1 | +181820 |
| 8sealed | 69 | Pozzo, Sebastian (2020) | Won 2-1 | +211841 |
| 9sealed | 35 | Marohl, Nate (1765) | Lost 0-2 | -191822 |
| 10draft | 772 | Airaksinen, Mikko (1781) | Lost 0-2 | -191803 |
| 11draft | 751 | Limber, Jerry (1556) | Lost 1-2 | -221781 |
| 12draft | 748 | Smith, Alexander B (1576) | Won 2-1 | +141795 |
| 13draft | 722 | Johnson, Blair (1560) | Won 2-1 | +141809 |
| 14draft | 695 | Hardison, Patrick (1734) | Lost 1-2 | -201789 |
| 15draft | 623 | Yu, Jarvis (1984) | Won 2-0 | +221811 |
| top | average opponent: 1717record: 8-5 | new rating: 1811 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1810 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 548 | Garcia Gonzalez, Sergio (1702) | Lost 0-2 | -191791 |
| 4sealed | 765 | Henry, Jon (1473) | Won 2-1 | +121803 |
| 5sealed | 689 | Bellak, Justin (1705) | Won 2-0 | +161819 |
| 6sealed | 709 | Richmann, Adrian (1677) | Lost 1-2 | -201799 |
| 7sealed | 788 | Hodges, Eric (1544) | Lost 0-2 | -231776 |
| top | average opponent: 1620record: 2-3 | new rating: 1776 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1735 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 367 | Pordes, Casey (1797) | Won 2-0 | +191754 |
| 4standard | 44 | Helbig, Drew (1837) | Lost 0-2 | -161738 |
| 5standard | 314 | Nguyen, Thien (1970) | Won 2-1 | +221760 |
| 6standard | 140 | Badmos, Femi (1527) | Won 2-1 | +141774 |
| 7standard | 108 | Zhang, Yuxuan (1467) | Lost 0-2 | -241750 |
| 8standard | 180 | Tibirna, Alexandru (1473) | Won 2-1 | +131763 |
| 9standard | 83 | Hopkins, Michael (1885) | Won 2-1 | +211784 |
| 10standard | 91 | LaChance, Alex (1554) | Won 2-0 | +141798 |
| 11standard | 37 | Rowe, Taylor (1633) | Lost 1-2 | -211777 |
| 12standard | 121 | Turner, Tim (1745) | Won 2-0 | +171794 |
| 13standard | 79 | Rianhard, Cain (1702) | Won 2-1 | +161810 |
| 14standard | 41 | Nikolich, Benjamin (1821) | Won 2-1 | +191829 |
| 15standard | 25 | Cua, Paolo (1825) | Lost 0-2 | -191810 |
| top | average opponent: 1710record: 9-4 | new rating: 1810 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1721 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 3 | Greenidge, Jamal (1373) | Won 2-0 | +121733 |
| 4standard | 117 | Boone, Jacob (1583) | Won 2-1 | +151748 |
| 5standard | 28 | Tiu, Oliver (2209) | Won 2-1 | +261774 |
| 6standard | 37 | Klein, Andrew (1753) | Lost 0-2 | -181756 |
| 7standard | 46 | Martin, Bob (1658) | Won 2-1 | +161772 |
| 8standard | 46 | Polca, Shawn (1526) | Won 2-0 | +131785 |
| 9standard | 30 | Villao, Ruben (1494) | Lost 1-2 | -231762 |
| 10standard | 624 | Ritner, Ronnie (1951) | Won 2-1 | +221784 |
| 11standard | 570 | Benns, Brian (1797) | Lost 1-2 | -181766 |
| 12standard | 629 | Juliano, Christopher (1729) | Lost 0-2 | -191747 |
| 13standard | 666 | Hill, Tyler (2091) | Lost 0-2 | -121735 |
| top | average opponent: 1742record: 6-5 | new rating: 1735 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1728 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 189 | Eisenbraun, Julian (1470) | Won 2-1 | +131741 |
| 4sealed | 107 | Root, Joshua (1523) | Won 2-1 | +141755 |
| 5sealed | 66 | Martin, Christopher (1480) | Won 2-0 | +131768 |
| 6sealed | 23 | Lax, Ari (1944) | Won 2-1 | +221790 |
| 7sealed | 9 | Wells, John W (1713) | Lost 1-2 | -201770 |
| 8sealed | 32 | Smith Jr, Greg (1595) | Lost 1-2 | -211749 |
| 9sealed | 120 | Tubbs, William (1554) | Won 2-1 | +151764 |
| 10draft | 7 | Huang, Hao-Shan (1933) | Lost 0-2 | -151749 |
| 11draft | 52 | Nakamura, Shuhei (2071) | Lost 0-2 | -131736 |
| 12draft | 51 | Meinershagen, Riley (1446) | Won 2-0 | +131749 |
| 13draft | 83 | Nakamura, Shuhei (2064) | Lost 1-2 | -121737 |
| 15draft | 15 | Sato, Rei (1856) | Lost 0-2 | -161721 |
| top | average opponent: 1721record: 6-6 | new rating: 1721 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 34 | Deshaies, Jacob (1556) | Won 2-0 | +171645 |
| 4standard | 19 | Lebedowicz, Osyp (1837) | Won 2-0 | +211666 |
| 5standard | 61 | Livernoche, Alexandre (1640) | Won 2-1 | +181684 |
| 6standard | 11 | Guo, Cheng (1701) | Won 2-0 | +181702 |
| 7standard | 6 | Davis, Andrew (1669) | Lost 1-2 | -181684 |
| 8standard | 26 | Scherzo, Greg (1629) | Lost 1-2 | -191665 |
| 9standard | 90 | Calcano, Christian (1920) | Won 2-1 | +221687 |
| 10standard | 355 | Mansell, Austin (1722) | Won 2-1 | +191706 |
| 11standard | 365 | Nota, Al (1702) | Lost 1-2 | -181688 |
| 12standard | 358 | Karabinos, Greg (1611) | Won 2-0 | +161704 |
| 13standard | 363 | Rocco, Craig (1885) | Won 2-1 | +221726 |
| 14standard | 337 | Rankin, Mark (1793) | Lost 0-2 | -171709 |
| 15standard | 357 | Allegrucci, Xavier (1764) | Won 2-0 | +191728 |
| top | average opponent: 1725record: 9-4 | new rating: 1728 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 639 | Soini, Joshua (1500) | Won 2-0 | +161651 |
| 4sealed | 628 | Angell, Ryan (1525) | Lost 1-2 | -211630 |
| 5sealed | 691 | Page, Tony (1514) | Won 2-1 | +161646 |
| 6sealed | 625 | De Paoli, Santiago (1841) | Won 2-1 | +221668 |
| 7sealed | 557 | Kane, Will (1673) | Lost 0-2 | -181650 |
| 8sealed | 697 | Sittner, Alex (1998) | Lost 1-2 | -121638 |
| 9sealed | 749 | Enevoldsen, Thomas (2013) | Won 2-1 | +241662 |
| 10draft | 899 | Keeth, Christian (2015) | Lost 0-2 | -111651 |
| 11draft | 893 | Neal, Robert (1474) | Won 2-0 | +141665 |
| 12draft | 894 | Nagy, Stephen (1627) | Lost 0-2 | -181647 |
| 13draft | 851 | Marin, Julian (1628) | Lost 0-2 | -191628 |
| top | average opponent: 1710record: 5-6 | new rating: 1628 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 142 | Olson, Jeremy (1569) | Won 2-0 | +181613 |
| 4standard | 68 | Duke, Reid (2046) | Won 2-0 | +251638 |
| 5standard | 60 | Wiest, Hank (1710) | Won 2-0 | +191657 |
| 6standard | 21 | Manfield, Seth (2222) | Lost 0-2 | -81649 |
| 7standard | 97 | Watson, Brad (1771) | Won 2-0 | +201669 |
| 8standard | 25 | Tumavitch, Matt (1747) | Lost 0-2 | -171652 |
| 9standard | 70 | Murdoch, Sean (1690) | Lost 1-2 | -171635 |
| top | average opponent: 1822record: 4-3 | new rating: 1635 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 270 | Beatty, Robert (1737) | Lost 1-2 | -151582 |
| 4legacy | 405 | Wagner, Scott (1517) | Won 2-0 | +171599 |
| 5legacy | 316 | Kraigher, Greg (1592) | Won 2-1 | +181617 |
| 6legacy | 153 | Roukas, Sam (1622) | Lost 1-2 | -181599 |
| 7legacy | 322 | Parson, Ken (1450) | Won 2-1 | +151614 |
| 8legacy | 210 | Alt, Andrew (1566) | Lost 1-2 | -191595 |
| top | average opponent: 1581record: 3-3 | new rating: 1595 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 168 | Adams, Zally (1500) | Won 2-0 | +151666 |
| 2modern | 391 | Matsuoka, Ryuuji (1519) | Won 2-1 | +161682 |
| 3modern | 388 | Loeffler, Nick (1535) | Draw 1-1 | -31679 |
| 4modern | 268 | Gostek, Ryan (1598) | Lost 1-2 | -191660 |
| 5modern | 522 | Buckingham, Dustin (1478) | Lost 0-2 | -221638 |
| 6modern | 748 | Reece, Ryan (1501) | Lost 0-2 | -201618 |
| 7modern | 837 | Matta, Tyler (1479) | Lost 0-2 | -211597 |
| top | average opponent: 1516record: 2-4-1 | new rating: 1597 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 861 | Tankin, Robert (1500) | Won 2-1 | +181507 |
| 2modern | 400 | Hoffmann, Matthew (1654) | Lost 1-2 | -151492 |
| 3modern | 917 | Chaya, Kyle (1501) | Won 2-1 | +181510 |
| 4modern | 501 | Cook, Andrew (1455) | Lost 1-2 | -191491 |
| 5modern | 970 | Bertelsen, Erik (1525) | Won 2-0 | +191510 |
| 6modern | 407 | Wise, Donnie (1527) | Won 2-0 | +181528 |
| 7modern | 491 | Rasmussen, Matt (1612) | Won 2-0 | +201548 |
| 8modern | 264 | Rankin, Mark (1610) | Won 2-0 | +191567 |
| 9modern | 178 | Cheung, Raymond (1644) | Won 2-0 | +191586 |
| 10modern | 97 | Green, Jeff (1927) | Won 2-1 | +241610 |
| 11modern | 50 | Koprowski, John (1584) | Won 2-0 | +181628 |
| 12modern | 55 | Arnold, Andrew (1637) | Lost 1-2 | -181610 |
| 13modern | 90 | Cohen, Justin (1935) | Draw 1-1 | +51615 |
| 14modern | 65 | Hernandez, Kevin (1567) | Won 2-0 | +181633 |
| 15modern | 45 | Thomas, Tony (1661) | Won 2-0 | +181651 |
| top | average opponent: 1623record: 11-3-1 | new rating: 1651 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Gottlieb, Bryan (1895) | Lost 1-2 | -111489 |
| 2sealed | 427 | Espejo, Jonny (1475) | Lost 1-2 | -181471 |
| 3sealed | 573 | Carroll, Paul (1343) | Won 2-0 | +151486 |
| 4sealed | 526 | Maclure, Douglas (1483) | Won 2-1 | +181504 |
| 5sealed | 436 | Tan, Richmond (1660) | Lost 1-2 | -151489 |
| top | average opponent: 1571record: 2-3 | new rating: 1489 | ||