Thorhallsson, Vilhjalmur
Current rating: 1630
Record: 35-26
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 533 | Andresier, Theo (1497) | Lost 0-2 | -211630 |
| top | record: 0-1 | new rating: 1630 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1683 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 300 | May, Luke (1608) | Won 2-0 | +171700 |
| 3standard | 292 | Papadakis, Bill (1541) | Won 2-1 | +151715 |
| 4standard | 1 | Benahmedaly, Nofoume (1572) | Lost 1-2 | -211694 |
| 5standard | 328 | Grajewski, Bartosz (1524) | Lost 1-2 | -211673 |
| 6standard | 345 | Buti, Jean-Philippe (1582) | Won 2-0 | +161689 |
| 7standard | 175 | Zeil, Jean-Julien (1618) | Lost 0-2 | -191670 |
| 8standard | 327 | Russell, Thomas P (1623) | Lost 0-2 | -191651 |
| top | average opponent: 1581record: 3-4 | new rating: 1651 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 87 | Simmonds, Alex (1655) | Lost 0-2 | -181612 |
| 3sealed | 599 | Trent, Neil (1479) | Won 2-0 | +161628 |
| 4sealed | 392 | Green, Ben (1519) | Won 2-0 | +161644 |
| 5sealed | 282 | Nowak, Kamil (1665) | Lost 0-2 | -181626 |
| 6sealed | 440 | Bains, Steve (1537) | Won 2-0 | +161642 |
| 7sealed | 218 | Rice, David (1538) | Won 2-0 | +171659 |
| 8sealed | 87 | Norton, Matthew [ENG] (1513) | Won 2-1 | +151674 |
| 9sealed | 53 | Borys, Grzegorz (1704) | Won 2-0 | +191693 |
| 10draft | 12 | Wells, Alex (1583) | Won 2-1 | +161709 |
| 11draft | 67 | Olsson, Andre (1652) | Won 2-0 | +161725 |
| 12draft | 16 | Lipscombe, Jon (1628) | Won 2-0 | +171742 |
| 13draft | 39 | Creasey, Simon (1633) | Lost 1-2 | -201722 |
| 14draft | 54 | Ristovsky, Tom (1783) | Lost 0-2 | -171705 |
| 15draft | 29 | Prokopovic, Marek (1485) | Lost 0-2 | -221683 |
| top | average opponent: 1598record: 9-5 | new rating: 1683 | ||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1646 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 130 | Bergstrom, Wictor (1574) | Lost 1-2 | -191627 |
| 3standard | 278 | Kortela, Roope (1516) | Won 2-1 | +161643 |
| 4standard | 151 | Caillaba, Germain (1878) | Won 2-1 | +221665 |
| 5standard | 416 | Olsson, Andre (1555) | Lost 1-2 | -201645 |
| 6standard | 293 | Lundin, Martin (1780) | Lost 0-2 | -151630 |
| top | average opponent: 1660record: 2-3 | new rating: 1630 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 243 | Labram, Patrick (1500) | Won 2-0 | +161618 |
| 2block | 158 | Brown, Emma (1518) | Won 2-0 | +161634 |
| 3block | 393 | Hall, Chris (1536) | Won 2-1 | +161650 |
| 4block | 14 | Whitmell, Ben (1554) | Won 2-0 | +171667 |
| 5block | 519 | Andrieu, Thibault (1681) | Won 2-0 | +181685 |
| 6block | 13 | Martin Espada, Agustin (1808) | Won 2-1 | +201705 |
| 7block | 6 | Moreno Morales, Francisco (1684) | Lost 0-2 | -181687 |
| 8block | 99 | Cook, Chris [ENG] (1563) | Lost 1-2 | -211666 |
| 9block | 122 | Pinto, Duarte (1554) | Lost 1-2 | -201646 |
| top | average opponent: 1600record: 6-3 | new rating: 1646 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 183 | Stankiewicz, Julien (1534) | Won 2-0 | +171601 |
| 3standard | 216 | Nguyen, Anh Duc (1535) | Won 2-1 | +171618 |
| 4standard | 19 | Krepli, Tibor Balazs (1457) | Lost 1-2 | -211597 |
| 5standard | 323 | Kirsch, Christian (1551) | Lost 1-2 | -191578 |
| 6standard | 302 | Hitz, Michael (1607) | Won 2-1 | +181596 |
| 7standard | 307 | Rutar, Andrej (1851) | Won 2-1 | +231619 |
| 8standard | 204 | Lehner, Bernhard (1868) | Won 2-0 | +221641 |
| 9standard | 281 | Knap, Cestmir (1378) | Won 2-1 | +141655 |
| 10standard | 95 | Ramquist, Niklas (1776) | Lost 1-2 | -161639 |
| 11standard | 69 | Lange, Jan (1630) | Lost 0-2 | -181621 |
| 12standard | 98 | Tomelitsch, Patrick (1559) | Lost 1-2 | -191602 |
| top | average opponent: 1613record: 6-5 | new rating: 1602 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 640 | Monsen, Haakon (1706) | Won 2-1 | +221522 |
| 2sealed | 590 | Karrstrand, Niklas (1476) | Lost 1-2 | -191503 |
| 3sealed | 606 | Moen, Espen (1504) | Won 2-1 | +181521 |
| 4sealed | 576 | Pieprzyk, Marek (1551) | Won 2-1 | +181539 |
| 5sealed | 538 | Vaglin, Mattias (1657) | Won 2-1 | +211560 |
| 6sealed | 566 | Calas, David (1536) | Lost 1-2 | -191541 |
| 7sealed | 586 | Nielsen, Rasmus (1441) | Won 2-1 | +161557 |
| 8sealed | 535 | Linden, Mikael (1642) | Won 2-1 | +201577 |
| 9sealed | 522 | Munk, Troels (1585) | Won 2-0 | +181595 |
| 10draft | 34 | Ferm, Jonathan (1595) | Won 2-1 | +181613 |
| 11draft | 6 | Szegho, Dalibor (1737) | Won 2-1 | +201633 |
| 12draft | 2 | Akerlund, Jesper (1640) | Lost 1-2 | -181615 |
| 13draft | 57 | Zeil, Jean-Julien (1706) | Lost 0-2 | -161599 |
| 14draft | 24 | Luc, John (1751) | Lost 0-2 | -151584 |
| top | average opponent: 1609record: 9-5 | new rating: 1584 | ||