Bonfield, Rebecca
Current rating: 1513
Record: 35-37-3
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 414 | Barker, Robert (1500) | Won 2-0 | +171551 |
| 2block | 193 | Smith, David 6159 (1518) | Lost 0-2 | -191532 |
| 3block | 518 | Jones, Dale (1499) | Lost 1-2 | -181514 |
| 4block | 615 | Lloyd, Glenn (1470) | Won 2-0 | +171531 |
| 5block | 66 | Gonzalez, Marco (1540) | Lost 1-2 | -181513 |
| top | average opponent: 1506record: 2-3 | new rating: 1513 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 354 | Keen, James (1518) | Won 2-0 | +191516 |
| 4sealed | 39 | Catton, Rob (1604) | Won 2-1 | +191535 |
| 5sealed | 98 | Anteri, Fabrizio (1863) | Lost 0-2 | -121523 |
| 6sealed | 216 | Garchery, Quentin (1713) | Lost 1-2 | -141509 |
| 7sealed | 282 | Michaletos, Dimitris (1543) | Won 2-1 | +181527 |
| 8sealed | 188 | Re, Manfredi (1563) | Lost 1-2 | -171510 |
| 9sealed | 246 | Valkeneers, Tom (1839) | Won 2-0 | +241534 |
| top | average opponent: 1663record: 4-3 | new rating: 1534 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 539 | Heiss, Marvin (1482) | Won 2-1 | +171544 |
| 4sealed | 534 | Moldes, Felipe (1616) | Lost 1-2 | -171527 |
| 5sealed | 622 | Gruson, Matthieu (1568) | Won 2-1 | +191546 |
| 6sealed | 552 | Blanchard, Xavier (1571) | Lost 0-2 | -181528 |
| 7sealed | 588 | Del Mazo, Carlos (1638) | Lost 0-2 | -161512 |
| 8sealed | 631 | Borcevsky, Pavel (1670) | Lost 1-2 | -151497 |
| top | average opponent: 1591record: 2-4 | new rating: 1497 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 611 | Teppa, Michaele (1625) | Lost 0-2 | -161509 |
| 4standard | 735 | Walter, Markus (1562) | Draw 1-1 | +11510 |
| 5standard | 697 | Mahnke, Nico (1519) | Lost 1-2 | -181492 |
| 6standard | 762 | Thom, Erwin (1488) | Won 2-0 | +181510 |
| 7standard | 688 | Fruscio, Antoine (1422) | Lost 0-2 | -191491 |
| 8standard | 696 | Reuter, Andy (1498) | Won 2-1 | +181509 |
| 9standard | 646 | van Netten, Ilja (1516) | Won 2-1 | +181527 |
| top | average opponent: 1518record: 3-3-1 | new rating: 1527 | ||
| Grand Prix Lyon 2012 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 41 | Polzl, Tristan (1741) | Lost 1-2 | -131485 |
| 4modern | 117 | Bogeat, David (1533) | Lost 1-2 | -171468 |
| 5modern | 211 | Mainardi, Pierre (1535) | Won 2-1 | +191487 |
| 6modern | 158 | Figueiredo, Luis (1519) | Won 2-0 | +181505 |
| 7modern | 96 | Meier, Gabriel (1609) | Lost 1-2 | -161489 |
| 8modern | 165 | Scheiblin, Gaetan (1517) | Won 2-0 | +191508 |
| 9modern | 97 | Fontana, Christian (1483) | Won 2-0 | +171525 |
| top | average opponent: 1563record: 4-3 | new rating: 1525 | ||
| Grand Prix Ghent 2012 (legacy) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 113 | Pieters, Yorick (1584) | Lost 1-2 | -171517 |
| 3legacy | 141 | Groothuis, Tim (1568) | Won 2-0 | +191536 |
| 4legacy | 194 | Catonne, Hadrien (1521) | Lost 0-2 | -181518 |
| 5legacy | 210 | Timmerman, Chriis (1500) | Lost 0-2 | -181500 |
| 6legacy | 252 | Sterkendries, Stan (1478) | Won 2-0 | +171517 |
| 7legacy | 172 | Piliego, Dimitri (1500) | Lost 1-2 | -181499 |
| 8legacy | 175 | Charles, Jeremy (1480) | Lost 0-2 | -181481 |
| 9legacy | 172 | Dercq, Damien (1463) | Won 2-0 | +171498 |
| top | average opponent: 1512record: 3-5 | new rating: 1498 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 498 | Yorke, Gareth (1483) | Won 2-0 | +181481 |
| 2sealed | 427 | Lopez Munoz, Jose Carlos (1412) | Draw 1-1 | -11480 |
| 3sealed | 493 | D'Alvarez, Chi (1522) | Won 2-1 | +191499 |
| 4sealed | 486 | Tan, Ronnie (1442) | Won 2-1 | +171516 |
| 5sealed | 444 | Lin, Richard (1523) | Won 2-0 | +181534 |
| 6sealed | 421 | Fox, Simon (1587) | Lost 0-2 | -171517 |
| 7sealed | 455 | Thoo, Ming Ken (1518) | Lost 1-2 | -181499 |
| 8sealed | 490 | Ridley, Adam (1542) | Won 2-1 | +191518 |
| 9sealed | 585 | Pype, Tristan (1459) | Won 2-0 | +161534 |
| top | average opponent: 1499record: 6-2-1 | new rating: 1534 | ||
| Grand Prix London 2011 (MBS limited) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Pype, Tristan (1419) | Won 2-0 | +171451 |
| 2sealed | 238 | Rohm, Bjorn (1539) | Won 2-0 | +201471 |
| 3sealed | 240 | Zeppetelli, Gianfranco (1613) | Draw 1-1 | +31474 |
| 4sealed | 249 | Goethals, Yens (1536) | Won 2-1 | +191493 |
| 5sealed | 225 | Hagan, Jonathan (1680) | Lost 0-2 | -151478 |
| 6sealed | 252 | Cattrysse, Sabbe (1623) | Lost 0-2 | -151463 |
| top | average opponent: 1568record: 3-2-1 | new rating: 1463 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Mannheims, Bart (1450) | Won 2-0 | +181468 |
| 2sealed | 30 | Harrold, Christopher (1517) | Lost 1-2 | -181450 |
| 3sealed | 144 | Brown, David (1482) | Lost 1-2 | -171433 |
| 4sealed | 319 | Davenport, Michael (1482) | Won 2-1 | +191452 |
| 5sealed | 193 | Anderson, Gareth (1441) | Lost 1-2 | -181434 |
| top | average opponent: 1474record: 2-3 | new rating: 1434 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 119 | Grylls, Charlie (1500) | Lost 0-2 | -171447 |
| 2block | 154 | Crosby, Paul (1481) | Won 2-1 | +191466 |
| 3block | 93 | Black, Dylan (1500) | Won 2-1 | +181484 |
| 4block | 112 | Lee, Shi Tian (1527) | Lost 0-2 | -171467 |
| 5block | 159 | Behean, Thomas (1500) | Lost 1-2 | -171450 |
| top | average opponent: 1502record: 2-3 | new rating: 1450 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Wallace, Raymond (1395) | Lost 0-2 | -191442 |
| 2sealed | 141 | Bowman, Peter (1483) | Won 0-0 | +191461 |
| 3sealed | 82 | Allen, Dan (1443) | Won 2-1 | +181479 |
| 4sealed | 107 | Stokes, Sam (1517) | Lost 0-2 | -181461 |
| 5sealed | 90 | May, Chris [ENG] (1505) | Won 2-0 | +191480 |
| 6sealed | 94 | Zapata, Sebastien (1596) | Lost 1-2 | -161464 |
| top | average opponent: 1490record: 3-3 | new rating: 1464 | ||
| Grand Prix Nottingham 2005 (RAV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Marriott, Richard 2887 (1500) | Lost 0-2 | -181482 |
| 2sealed | 151 | Huynh, Thanh (1425) | Won 2-0 | +171499 |
| 3sealed | 197 | Cowan, Stewart (1501) | Lost 0-2 | -181481 |
| 4sealed | 211 | Vrijhof, Dirk Jan (1396) | Lost 0-2 | -201461 |
| top | average opponent: 1455record: 1-3 | new rating: 1461 | ||