Mathieu, Guillaume
Current rating: 1398
Record: 24-35 (GP) / 2-7 (professional)
Grand Prix Paris 2004Pro Tour Philadelphia 2005Grand Prix Lille 2005Grand Prix Dortmund 2006Pro Tour Geneva 2007Grand Prix Strasbourg 2007Grand Prix Paris 2008Grand Prix Brussels 2010Grand Prix Paris 2011Grand Prix Barcelona 2011Grand Prix Lille 2012Grand Prix Lyon 2012Grand Prix Lyon 2015Grand Prix London 2016
| Grand Prix London 2016 (KLD limited) | starting rating: 1299 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 366 | Putt, Tom (1571) | Lost 0-2 | -141285 |
| 2sealed | 646 | Ogon, Jonathan (1364) | Won 2-1 | +201305 |
| 3sealed | 879 | Adamo, Saverio (1524) | Lost 0-2 | -141291 |
| 4sealed | 963 | Dellacasa, Francisco (1466) | Won 2-0 | +211312 |
| 5sealed | 629 | Parsloe, Dan (1501) | Won 2-0 | +211333 |
| 6sealed | 571 | Lebrun, Benoit (1642) | Won 2-1 | +241357 |
| 7sealed | 371 | Wilson, Steven (1538) | Won 2-0 | +211378 |
| 8sealed | 193 | Meekcoms, Zach (1584) | Lost 1-2 | -141364 |
| 9sealed | 332 | Corless, Benjamin (1519) | Won 2-1 | +211385 |
| 10draft | 234 | Svensson, Fredrik (1563) | Lost 1-2 | -151370 |
| 11draft | 343 | Mathis, Christoph (1551) | Lost 0-2 | -151355 |
| 12draft | 82 | Brock, Kadar (1586) | Won 2-0 | +221377 |
| 13draft | 75 | Ireland, Alex (1520) | Won 2-0 | +211398 |
| top | average opponent: 1533record: 8-5 | new rating: 1398 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1305 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 180 | Messner, David (1581) | Won 2-1 | +231328 |
| 2sealed | 158 | Noorlander, Mark (1493) | Lost 0-2 | -151313 |
| 3sealed | 423 | Dones Fernandez, Mayantigo (1496) | Lost 0-2 | -141299 |
| top | average opponent: 1523record: 1-2 | new rating: 1299 | ||
| Grand Prix Lyon 2012 (modern) | starting rating: 1304 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 195 | Milanes, Miguel (1638) | Lost 0-2 | -131291 |
| 2modern | 244 | Mathon, Gregoire (1482) | Won 2-0 | +221313 |
| 3modern | 195 | Deniau, Yohann (1509) | Lost 1-2 | -151298 |
| 4modern | 298 | Windolph, Stephan (1484) | Lost 1-2 | -141284 |
| 5modern | 273 | Auvray, Johann (1484) | Won 2-1 | +211305 |
| top | average opponent: 1519record: 2-3 | new rating: 1305 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1333 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 508 | Demarle, Gilles (1506) | Lost 0-2 | -141319 |
| 2standard | 778 | Lucke, Patrick (1482) | Lost 1-2 | -151304 |
| top | average opponent: 1494record: 0-2 | new rating: 1304 | ||
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1362 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 181 | Colmenar, Laura (1480) | Won 2-0 | +201382 |
| 2standard | 132 | Kristensen, David Kai (1523) | Lost 0-2 | -151367 |
| 3standard | 125 | Santos, Taigo Baptista (1500) | Lost 1-2 | -161351 |
| 4standard | 226 | Lopez, Ruben (1372) | Lost 0-2 | -181333 |
| top | average opponent: 1469record: 1-3 | new rating: 1333 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 202 | De Pauw, Stijn (1522) | Lost 1-2 | -151355 |
| 2sealed | 224 | Pallet, Mathieu (1446) | Won 2-0 | +191374 |
| 3sealed | 174 | Yeh, Gottlieb (1691) | Lost 0-2 | -121362 |
| top | average opponent: 1553record: 1-2 | new rating: 1362 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1372 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 99 | Thielen, Sjors (1557) | Won 2-0 | +221394 |
| 5standard | 35 | Moate, Matthew (1526) | Won 2-1 | +201414 |
| 6standard | 14 | Kuisma, Matti (1724) | Lost 0-1 | -131401 |
| 7standard | 20 | McLeod, Lewis (1505) | Lost 1-2 | -161385 |
| 8standard | 69 | Geilen, Jeffrey (1530) | Lost 0-2 | -151370 |
| top | average opponent: 1568record: 2-3 | new rating: 1370 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 94 | Zatlkaj, Matej (1919) | Lost 1-2 | -101403 |
| 5sealed | 143 | Forjan, Nicolas (1535) | Lost 0-2 | -151388 |
| 6sealed | 153 | Vermeire, Jan Jaap (1521) | Lost 0-2 | -161372 |
| top | average opponent: 1658record: 0-3 | new rating: 1372 | ||
| Grand Prix Strasbourg 2007 (Time Spiral block) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 95 | Chansiaux, Arthur (1500) | Won 2-0 | +191441 |
| 3block | 14 | Caiano, Sergio (1499) | Lost 1-2 | -171424 |
| 4block | 129 | Bury, Denis (1518) | Won 2-0 | +201444 |
| 5block | 103 | Wolff, Jan (1559) | Lost 1-2 | -161428 |
| 6block | 125 | Langner, Matthias (1581) | Lost 0-2 | -151413 |
| top | average opponent: 1531record: 2-3 | new rating: 1413 | ||
| Pro Tour Geneva 2007 (PLC draft) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 12 | Hamon, Yann (1825) | Lost 1-2 | -121462 |
| 2draft | 83 | Cardin, Guillaume (1721) | Lost 0-2 | -131449 |
| 3draft | 167 | Joens, Klaus (1806) | Lost 0-2 | -121437 |
| 4draft | 104 | Muranaka, Aaron (1580) | Lost 1-2 | -151422 |
| top | average opponent: 1733record: 0-4 | new rating: 1422 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 123 | Salamon, Michal (1700) | Won 2-0 | +221480 |
| 3sealed | 49 | Sierocinski, Adam (1782) | Won 2-1 | +241504 |
| 4sealed | 40 | Bleiss, Andre (1551) | Won 2-0 | +191523 |
| 5sealed | 3 | Luhrs, Christian (1819) | Lost 0-2 | -131510 |
| 6sealed | 31 | Fanghaenel, Alex (1494) | Lost 0-2 | -181492 |
| 7sealed | 86 | Paterok, Daniel (1537) | Lost 0-2 | -181474 |
| top | average opponent: 1647record: 3-3 | new rating: 1474 | ||
| Grand Prix Lille 2005 (legacy) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 116 | Terroy, Cyril (1518) | Lost 0-1 | -171432 |
| 3legacy | 147 | Kohler, Tim (1590) | Lost 0-2 | -151417 |
| 4legacy | 178 | Andres, Basile (1481) | Won 2-1 | +191436 |
| 5legacy | 121 | Giusti, Matthieu (1530) | Won 2-1 | +201456 |
| 6legacy | 82 | Paardekooper, Daniel (1528) | Won 2-0 | +191475 |
| 7legacy | 61 | Ratajczak, Florin (1536) | Lost 0-1 | -171458 |
| top | average opponent: 1531record: 3-3 | new rating: 1458 | ||
| Pro Tour Philadelphia 2005 (Kamigawa block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 22 | Chambers, Adam (1435) | Lost 0-2 | -191445 |
| 2block | 131 | Pinto, Goncalo (1524) | Won 2-0 | +201465 |
| 3block | 54 | Hagon, Richard (1453) | Won 2-0 | +171482 |
| 4block | 63 | Blaas, Jasper (1570) | Lost 1-2 | -161466 |
| 5block | 85 | Rodamilans, Enric (1495) | Lost 1-2 | -171449 |
| top | average opponent: 1496record: 2-3 | new rating: 1449 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 247 | Haller, Vincent (1500) | Won 1-0 | +181518 |
| 2sealed | 106 | Belanger, Jerome (1505) | Lost 0-2 | -181500 |
| 3sealed | 272 | El Mestini, Samuel (1500) | Lost 1-2 | -181482 |
| 4sealed | 252 | Buvry, Guillaume (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1497record: 1-3 | new rating: 1464 | ||