Barker, Rei
Current rating: 1677
Record: 50-41-1
| Grand Prix Brisbane 2019 (ELD standard) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 110 | McNally, James (1466) | Won 2-1 | +161590 |
| 2standard | 34 | Tigani, Peter (1518) | Won 2-0 | +161606 |
| 3standard | 32 | Savidis, Michael (1534) | Won 2-0 | +171623 |
| 4standard | 12 | Cubit, Ryan (1947) | Lost 0-2 | -121611 |
| 5standard | 37 | Wang, Zijian (1538) | Lost 1-2 | -191592 |
| 6standard | 76 | Bolitho, Liam (1519) | Won 2-0 | +161608 |
| 7standard | 73 | Lewis-Jonns, Ryan (1701) | Won 2-0 | +201628 |
| 8standard | 22 | Kirby, Cheyanne (1557) | Won 2-0 | +171645 |
| 9standard | 33 | Cox, Kevin J (1823) | Lost 1-2 | -151630 |
| 10standard | 29 | Nimwegen, Brendan (1521) | Won 2-1 | +161646 |
| 11standard | 28 | Deane, Joe (1717) | Won 2-0 | +191665 |
| 12standard | 21 | Pathirana, Prads (2125) | Lost 0-2 | -101655 |
| 13standard | 17 | Visser, Tyler (1730) | Lost 1-2 | -171638 |
| 14standard | 26 | Barnes, Matthew [AUS] (1528) | Won 2-1 | +161654 |
| 15standard | 18 | Lou, Violet (1924) | Won 2-1 | +231677 |
| top | average opponent: 1677record: 10-5 | new rating: 1677 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 244 | Griffiths, Megan (1312) | Won 2-0 | +131582 |
| 2modern | 132 | Whalen, Nathan [AUS] (1508) | Lost 0-2 | -191563 |
| 3modern | 363 | Niekamp-Digney, William (1520) | Won 2-0 | +171580 |
| 4modern | 144 | Bonti, Alessio (1513) | Lost 1-2 | -191561 |
| 5modern | 308 | Hunter, Ray (1498) | Won 2-0 | +171578 |
| 6modern | 215 | Deane, Joe (1531) | Lost 0-2 | -191559 |
| 7modern | 261 | Laurenson, James (1497) | Won 2-1 | +171576 |
| 8modern | 249 | Martin, Dale (1509) | Lost 0-2 | -191557 |
| 9modern | 202 | Scherhag, Isaac (1504) | Won 2-0 | +171574 |
| top | average opponent: 1488record: 5-4 | new rating: 1574 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 158 | Lee, Gino (1541) | Lost 0-2 | -191569 |
| top | record: 0-1 | new rating: 1569 | ||
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 116 | Thiessen, Jacob (1878) | Lost 1-2 | -121547 |
| 4sealed | 182 | Vila, Ferran (1734) | Lost 1-2 | -151532 |
| 5sealed | 260 | Neo, You Wei (1560) | Won 2-0 | +191551 |
| 6sealed | 227 | Rumble, Megan (1469) | Won 2-1 | +161567 |
| 7sealed | 157 | Eyre, Shayne (1441) | Won 2-1 | +161583 |
| 8sealed | 110 | Mulcahy, Luke (1795) | Won 2-0 | +221605 |
| 9sealed | 73 | Mihara, Makihito (1973) | Won 2-0 | +241629 |
| 10draft | 14 | Damilatis, Nathan (1824) | Lost 0-2 | -141615 |
| 11draft | 53 | Turney, Christopher (1699) | Lost 1-2 | -171598 |
| 12draft | 53 | Cao, Vincent (1506) | Lost 0-2 | -191579 |
| 13draft | 102 | Jansen, Adam (1835) | Won 2-0 | +221601 |
| 14draft | 55 | Wong, Nicholas Jonathan (1856) | Lost 0-2 | -131588 |
| top | average opponent: 1714record: 6-6 | new rating: 1588 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 8 | Diaz, Ariel (1483) | Won 2-1 | +161605 |
| 2modern | 171 | Plathe, David (1518) | Won 2-0 | +161621 |
| 3modern | 77 | Sutton, Lyle George (1536) | Lost 0-2 | -191602 |
| 4modern | 207 | Thomas, Andy (1518) | Draw 1-1 | -21600 |
| 5modern | 221 | Taylor, Sam (1506) | Lost 1-2 | -191581 |
| 6modern | 329 | Klose, Michael (1409) | Lost 0-2 | -221559 |
| top | average opponent: 1495record: 2-3-1 | new rating: 1559 | ||
| Grand Prix Auckland 2015 (FRF limited) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Gomes, Thomas (1500) | Won 2-1 | +171602 |
| 2sealed | 65 | Holland, Michael [NZL] (1498) | Won 2-1 | +161618 |
| 3sealed | 49 | Grossmann, Marius (1503) | Lost 1-2 | -201598 |
| 4sealed | 88 | Wilde, Hamish D (1517) | Won 2-0 | +161614 |
| 5sealed | 57 | Shute, Sam (1536) | Lost 0-2 | -191595 |
| 6sealed | 59 | Laird, Kelly (1501) | Won 2-1 | +161611 |
| 7sealed | 49 | Yuen, Nicholas (j) (1538) | Lost 0-2 | -191592 |
| 8sealed | 95 | Ullrich, Egard C (1494) | Won 2-0 | +161608 |
| 9sealed | 66 | Ho, Jiwin (1537) | Lost 1-2 | -191589 |
| top | average opponent: 1514record: 5-4 | new rating: 1589 | ||
| Grand Prix Melbourne 2014 (BNG standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 17 | Side, David (1500) | Won 2-1 | +181509 |
| 2standard | 149 | Blake, Chris (1518) | Won 2-1 | +191528 |
| 3standard | 48 | Ferdinands, Chris (1518) | Won 2-1 | +171545 |
| 4standard | 35 | Kikkawa, Dillon (1668) | Won 2-0 | +211566 |
| 5standard | 37 | Pai, Bruce (1683) | Won 2-1 | +201586 |
| 6standard | 14 | Cann, Kristen (1594) | Won 2-0 | +181604 |
| 7standard | 2 | Kliem, Andrew (1607) | Won 2-0 | +181622 |
| 8standard | 1 | Wei, Yifan (1570) | Lost 0-2 | -191603 |
| 9standard | 13 | Feng, Dennis (1566) | Lost 1-2 | -191584 |
| 10standard | 34 | Woelfler, Walter (1509) | Won 2-0 | +171601 |
| 11standard | 9 | McGlaughlin, Luke (1617) | Lost 0-2 | -181583 |
| 12standard | 23 | Shen, Xin (1542) | Lost 0-2 | -181565 |
| 13standard | 41 | Brumby, Gene (1746) | Lost 0-2 | -151550 |
| 14standard | 51 | Flora, Tim (1532) | Won 2-0 | +171567 |
| 15standard | 36 | Diquelou, Marie (1564) | Won 2-0 | +181585 |
| top | average opponent: 1582record: 10-5 | new rating: 1585 | ||
| Grand Prix Brisbane 2013 (modern) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 49 | Garner, Matthew (1558) | Won 2-1 | +191529 |
| 2modern | 59 | Armstrong, Anthony (1500) | Lost 1-2 | -181511 |
| 3modern | 172 | Hutchins, Damien (1447) | Lost 1-2 | -191492 |
| 4modern | 162 | Field, Brandon (1482) | Won 2-0 | +171509 |
| 5modern | 114 | Budzin, Tyrone (1500) | Lost 1-2 | -181491 |
| top | average opponent: 1497record: 2-3 | new rating: 1491 | ||
| Grand Prix Melbourne 2012 (DKA limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Koller, Tobias (1738) | Won 2-1 | +221488 |
| 2sealed | 39 | Boikov, Lawrence (1500) | Won 2-0 | +191507 |
| 3sealed | 65 | Loughton, Martin (1535) | Lost 0-2 | -181489 |
| 4sealed | 118 | Cockroft, Aidan N (1520) | Won 2-0 | +191508 |
| 5sealed | 46 | Runic, Michael (1536) | Won 2-1 | +181526 |
| 6sealed | 22 | Martin, Lief (1553) | Lost 1-2 | -171509 |
| 7sealed | 97 | Crain, Sean (1570) | Won 2-1 | +191528 |
| 8sealed | 64 | Markovic, Sasha (1563) | Lost 1-2 | -181510 |
| top | average opponent: 1564record: 5-3 | new rating: 1510 | ||
| Grand Prix Sydney 2010 (SOM limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Ding, Yuan (1500) | Lost 1-2 | -171446 |
| 2sealed | 124 | Myconos, Paul (1481) | Won 2-1 | +191465 |
| 3sealed | 97 | Searle, David (1466) | Won 2-0 | +181483 |
| 4sealed | 106 | Landrigan, Aloysius (1518) | Won 2-0 | +181501 |
| 5sealed | 68 | Sinkis, Peter (1518) | Lost 1-2 | -171484 |
| 6sealed | 105 | Lam, Byron (1524) | Won 2-1 | +181502 |
| 7sealed | 62 | Archangelo, Felipe (1537) | Lost 0-2 | -171485 |
| 8sealed | 66 | Stensmyr, Peter (1410) | Lost 0-2 | -191466 |
| top | average opponent: 1494record: 4-4 | new rating: 1466 | ||
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Pigram, Wayne (1500) | Won 2-1 | +181518 |
| 2sealed | 52 | Ackland, Daniel (1475) | Lost 1-2 | -191499 |
| 3sealed | 131 | Di Stefano, Ben (1501) | Lost 1-2 | -181481 |
| 4sealed | 174 | Angelico, Chris (1480) | Lost 1-2 | -181463 |
| top | average opponent: 1489record: 1-3 | new rating: 1463 | ||