Herbert, Michael
Current rating: 1657
Record: 19-10
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 548 | Sever, Thomas (1500) | Won 2-0 | +151680 |
| 2sealed | 63 | Watson, Daniel (1416) | Lost 0-2 | -231657 |
| top | average opponent: 1458record: 1-1 | new rating: 1657 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 153 | Schmidt, Karl-heinz (1500) | Won 2-0 | +151672 |
| 2block | 9 | Keohane, Lawrence (1448) | Won 2-0 | +141686 |
| 3block | 202 | Morrissey, Liam (1508) | Lost 1-2 | -211665 |
| top | average opponent: 1485record: 2-1 | new rating: 1665 | ||
| Grand Prix London 2011 (MBS limited) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Sturman, David (1500) | Won 2-1 | +171619 |
| 2sealed | 9 | Darida, Bran (1500) | Won 2-0 | +151634 |
| 3sealed | 29 | Raftery, Roy (1485) | Lost 1-2 | -201614 |
| 4sealed | 105 | Herzig, Sven (1572) | Won 2-1 | +171631 |
| 5sealed | 38 | Ferrarese, Stefano (1702) | Won 2-0 | +191650 |
| 6sealed | 47 | McLeod, Lewis (1715) | Won 2-0 | +191669 |
| 7sealed | 18 | Duthoo, Arthur (1578) | Won 2-0 | +171686 |
| 8sealed | 4 | Canavesi, Daniele (1895) | Lost 0-2 | -141672 |
| 9sealed | 31 | Nosowicz, Karol (1845) | Lost 0-2 | -151657 |
| top | average opponent: 1644record: 6-3 | new rating: 1657 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Consor, Kristin (1484) | Won 2-1 | +181501 |
| 2sealed | 172 | Kekenbosch, Thomas (1518) | Won 2-0 | +181519 |
| 3sealed | 51 | Londos, Ludvig (1573) | Lost 1-2 | -171502 |
| 4sealed | 134 | Curran, Patrick (1518) | Won 2-1 | +181520 |
| 5sealed | 148 | van den Brink, Peter (1658) | Won 2-1 | +211541 |
| 6sealed | 109 | Boudaoud, Hakim (1845) | Won 2-1 | +231564 |
| 7sealed | 38 | Bandaranaike, Gihan (1646) | Won 2-0 | +201584 |
| 8sealed | 12 | Gower, Paul (1618) | Won 2-0 | +181602 |
| 9sealed | 12 | Scoones, Ben (1597) | Won 2-0 | +181620 |
| 10draft | 19 | Campanini, Tommaso (1635) | Lost 1-2 | -181602 |
| top | average opponent: 1609record: 8-2 | new rating: 1602 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 105 | Parker, Michael 4064 (1500) | Won 2-0 | +181518 |
| 2block | 122 | Hermet, Ghislain (1467) | Lost 0-2 | -191499 |
| 3block | 100 | Watson, Duncan (1500) | Won 2-1 | +181517 |
| 4block | 114 | Vilain, Arnaud (1611) | Lost 1-2 | -161501 |
| 5block | 150 | Van Doorsselaere, Tom (1491) | Lost 0-2 | -181483 |
| top | average opponent: 1514record: 2-3 | new rating: 1483 | ||