Blennow, William
Current rating: 1696
Record: 26-17 (GP) / 10-11 (professional)
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 436 | Naslund, Anders (1499) | Won 2-0 | +161627 |
| 2sealed | 79 | Brandt, Kenneth (1842) | Lost 1-2 | -141613 |
| 3sealed | 350 | Martinez Angeles, Carlos Alberto (1508) | Won 2-0 | +161629 |
| 4sealed | 293 | Pikturna, Emilis (1517) | Won 2-1 | +161645 |
| 5sealed | 86 | Antonsen, Emma (1439) | Won 2-1 | +141659 |
| 6sealed | 58 | Dhanpat, Amarnath (1309) | Won 2-0 | +121671 |
| 7sealed | 33 | Bjornerud, Sveinung (1977) | Lost 1-2 | -121659 |
| 8sealed | 144 | Karlsson, Daniel (1529) | Lost 1-2 | -211638 |
| 9sealed | 135 | Bohny, Nico (1865) | Won 2-0 | +221660 |
| 10draft | 25 | Nieke, Jonas (1747) | Won 2-0 | +201680 |
| 11draft | 25 | Drobny, Radoslav (1661) | Won 2-1 | +171697 |
| 12draft | 24 | Baldvinsson, Einar (1711) | Lost 0-2 | -171680 |
| 13draft | 83 | Menten, Robbert (1660) | Lost 1-2 | -191661 |
| 14draft | 81 | Gheysen, Olivier (1681) | Won 2-1 | +191680 |
| 15draft | 71 | Vaa Ytterstrom, Sebastian (1589) | Won 2-0 | +161696 |
| top | average opponent: 1636record: 10-5 | new rating: 1696 | ||
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 127 | Danelian, Johannes (1500) | Won 2-0 | +171591 |
| 2modern | 103 | Lyford-Smith, David (1522) | Lost 1-2 | -201571 |
| 3modern | 377 | Fahnoe, Jakob (1503) | Won 2-0 | +171588 |
| 4modern | 369 | Iannello, Andrea (1519) | Won 2-0 | +171605 |
| 5modern | 236 | Levitt, Olivier (1541) | Lost 1-2 | -191586 |
| 6modern | 329 | Daniels, Scott (1548) | Won 2-0 | +171603 |
| 7modern | 202 | Ahlstrom, Christian (1755) | Won 2-0 | +211624 |
| 8modern | 160 | Fior, Daniel (1928) | Lost 1-2 | -131611 |
| top | average opponent: 1602record: 5-3 | new rating: 1611 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 635 | Calas, David (1481) | Lost 0-2 | -201577 |
| 2sealed | 663 | Naxen, Tobias (1483) | Won 2-0 | +161593 |
| 3sealed | 612 | Heruth, Martin (1524) | Lost 1-2 | -191574 |
| top | average opponent: 1496record: 1-2 | new rating: 1574 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 552 | Sternberg, Henrik (1500) | Won 2-1 | +181554 |
| 2sealed | 585 | Heng, Chye Hwee (1592) | Won 2-1 | +181572 |
| 3sealed | 509 | Wallgren, Jakob (1538) | Lost 1-2 | -181554 |
| 4sealed | 585 | Rhoton, Kenan (1571) | Won 2-1 | +181572 |
| 5sealed | 561 | Dannemann, Joao Manoel (1561) | Won 2-0 | +181590 |
| 6sealed | 564 | Massicard, Yann (1767) | Won 2-1 | +211611 |
| 7sealed | 511 | Ochoa, David (2033) | Lost 0-2 | -111600 |
| 8sealed | 530 | Von Ortloff, Philipp (1528) | Won 2-0 | +171617 |
| 9sealed | 533 | Halldorsson, Almar (1504) | Lost 0-2 | -201597 |
| top | average opponent: 1622record: 6-3 | new rating: 1597 | ||
| Pro Tour Valencia 2007 (extended) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 55 | Kurihara, Shingou (2079) | Won 2-0 | +281552 |
| 2extended | 25 | Imperiale, Jason (1821) | Lost 1-2 | -141538 |
| 3extended | 130 | Floch, Ivan (1765) | Won 2-1 | +221560 |
| 4extended | 36 | Al-Bacha, Wesimo (1804) | Lost 0-2 | -131547 |
| 5extended | 87 | Thebault, Raphael (1681) | Won 2-0 | +201567 |
| 6extended | 87 | Sadeghpour, Johan (1914) | Lost 1-2 | -121555 |
| 7extended | 116 | Shmuely, Niv (1505) | Lost 0-2 | -191536 |
| top | average opponent: 1795record: 3-4 | new rating: 1536 | ||
| Grand Prix Stockholm 2007 (FUT limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 128 | Sellberg, Linus (1534) | Won 2-0 | +181538 |
| 3sealed | 88 | Wechsel, Alexander (1559) | Won 2-1 | +191557 |
| 4sealed | 18 | Fatouros, Vasilis (1808) | Lost 1-2 | -141543 |
| 5sealed | 135 | Kajala, Kaisa (1504) | Lost 0-2 | -191524 |
| top | average opponent: 1601record: 2-2 | new rating: 1524 | ||
| Grand Prix Malmo 2006 (CSP limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 69 | van den Oever, Roy (1630) | Won 2-0 | +201538 |
| 3sealed | 31 | Lefvert, Jonas (1536) | Won 2-0 | +181556 |
| 4sealed | 43 | Baumert, Martin (1632) | Lost 0-2 | -171539 |
| 5sealed | 66 | Paunku, Aurelijan (1481) | Lost 1-2 | -191520 |
| top | average opponent: 1570record: 2-2 | new rating: 1520 | ||
| Pro Tour Honolulu 2006 (GPT standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 104 | Yokoi, Masaki (1599) | Lost 1-2 | -171515 |
| 2standard | 165 | Ketita, Nassim (1605) | Won 2-1 | +201535 |
| 3standard | 75 | Donaldson, Andrew (1509) | Lost 1-2 | -191516 |
| 4standard | 113 | Fatouros, Vasilis (1592) | Lost 1-2 | -161500 |
| 5standard | 190 | Wong, Times (1464) | Won 2-0 | +171517 |
| 6standard | 108 | Hwung, Youn Ming (1643) | Won 2-1 | +201537 |
| 7standard | 84 | Dolbeer, Jed (1436) | Lost 1-2 | -191518 |
| top | average opponent: 1550record: 3-4 | new rating: 1518 | ||
| Pro Tour Philadelphia 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 109 | Clere, Romain (1779) | Lost 1-2 | -131487 |
| 2block | 104 | Smith, Don (1486) | Won 2-1 | +181505 |
| 3block | 39 | Buker, Christopher (1468) | Lost 0-2 | -191486 |
| 4block | 104 | Dal Farra, Gionata (1582) | Won 2-1 | +201506 |
| 5block | 52 | Bergeron, Anael (1511) | Won 2-1 | +181524 |
| 6block | 29 | Maki, Koichiro (1797) | Won 2-0 | +231547 |
| 7block | 37 | Goodman, Kyle (1720) | Lost 1-2 | -151532 |
| top | average opponent: 1620record: 4-3 | new rating: 1532 | ||