The Canadian Open 2013 is taking place on 13-20th July at the National Hotel and Suites Ottawa in Ottawa, ON. The tournament format is 9 Rounds Swiss, one section.
Rounds:
Rd.1 – Saturday, July 13; 4:30 p.m..
Rd.2 – Sunday, July 14; 10:30 a.m.
Rd.3 – Sunday, July 14; 6:30 p.m.
Rd.4-8 – Monday-Friday, July 15-19; 6:30 p.m.
Rd.9 – Saturday, July 20; 10:30 a.m.
Prize Fund (expected): $25,000
After four rounds of play GM Nigel Short, GM Ivan Sokolov, GM Eric Hansen and IM Leonid Gerzhoy are joint leaders with perfect scores. 181 players compete.
Standings after 4 rounds:
| 1 | GM Nigel Short | 2697 | 4 |
| 2 | GM Ivan Sokolov | 2642 | 4 |
| 3 | GM Eric Hansen | 2587 | 4 |
| 4 | IM Leonid Gerzhoy | 2571 | 4 |
| 5 | GM Walter Arencibia | 2610 | 3.5 |
| 6 | IM Aman Hambleton | 2580 | 3.5 |
| 7 | IM Raja Panjwani | 2517 | 3.5 |
| 8 | IM Richard Wang | 2484 | 3.5 |
| 9 | GM Lazaro Bruzon Batista | 2758 | 3.5 |
| 10 | GM Bator Sambuev | 2688 | 3.5 |
| 11 | GM Elshan Moradiabadi | 2557 | 3.5 |
| 12 | GM Eduardas Rozentalis | 2601 | 3.5 |
| 13 | IM Keaton Kiewra | 2423 | 3.5 |
| 14 | IM Artiom Samsonkin | 2557 | 3 |
| 15 | GM Ioan Cristian Chirila | 2519 | 3 |
| 16 | GM Reynaldo Vera | 2514 | 3 |
| 17 | James Fu | 2257 | 3 |
| 18 | FM Jason Cao | 2239 | 3 |
| 19 | IM Rodney Oscar Perez Garcia | 2464 | 3 |
| 20 | FM Kevel Oliva Castaneda | 2399 | 3 |
| 21 | Geordie Derraugh | 2297 | 3 |
| 22 | IM Bindi Cheng | 2516 | 3 |
| 23 | IM Edward Porper | 2494 | 3 |
| 24 | IM Arthur Calugar | 2418 | 3 |
| 25 | FM Roman Sapozhnikov | 2396 | 3 |
| 26 | FM Michael Kleinman | 2367 | 3 |
| 27 | FM Eric Rodriguez | 2318 | 3 |
| 28 | FM Michael Dougherty | 2290 | 3 |
| 29 | Miladin Djerkovic | 2287 | 3 |
| 30 | Butch Villavieja | 2275 | 3 |
| 31 | Tanraj S Sohal | 2263 | 3 |
| 32 | Mike Ivanov | 2252 | 3 |
| 33 | Digeng Du | 2009 | 3 |
| 34 | GM Luis Manuel Perez Rodriguez | 2480 | 3 |
| 35 | Mate Marinkovic | 2231 | 3 |
| 36 | Kevin Pacey | 2223 | 3 |
| 37 | WC Alexandra Botez | 2204 | 3 |
| 38 | David Petty | 2161 | 3 |
| 39 | Ismail Ibrahim | 2057 | 3 |
| 40 | Rod Hill | 1959 | 3 |
| 41 | GM Eugene Perelshteyn | 2571 | 3 |
| 42 | Paul Leblanc | 1839 | 3 |
| 43 | FM Victor Plotkin | 2394 | 2.5 |
| 44 | IM Leon Piasetski | 2392 | 2.5 |
| 45 | Michael Song | 2390 | 2.5 |
| 46 | Alex Yam | 2367 | 2.5 |
| 47 | Evgeny Miller | 2234 | 2.5 |
| 48 | Armando Valdizon | 2219 | 2.5 |
| 49 | Ruining Ray Wu | 2117 | 2.5 |
| 50 | Daniel Van Heirzeele | 2088 | 2.5 |
| 51 | Stephan Tonakanian | 2071 | 2.5 |
| 52 | Francesco Dunne | 2066 | 2.5 |
| 53 | Dmitry Chernik | 1918 | 2.5 |
| 54 | CM David Gordon | 2319 | 2.5 |
| 55 | Jonathan Yu | 2224 | 2.5 |
| 56 | James Chan | 2184 | 2.5 |
| 57 | Steve Demmery | 2110 | 2.5 |
| 58 | Ramon J Cova | 2077 | 2.5 |
| 59 | Diwen Shi | 2030 | 2.5 |
| 60 | Yuetong [davy] Zhao | 1873 | 2.5 |
| 61 | Yinshi Li | 2081 | 2.5 |
| 62 | Amos Kuttner | 1946 | 2.5 |
| 63 | Ian Finlay | 1936 | 2.5 |
| 64 | Gilles Jobin | 1942 | 2.5 |
| 65 | William G Doubleday | 2166 | 2.5 |
| 66 | Roger Lebrun | 1914 | 2.5 |
| 67 | Danail Donev | 2023 | 2 |
| 68 | Vasil Khachidze | 2359 | 2 |
| 69 | Zachary Burrows | 2031 | 2 |
| 70 | Michel Desjardins | 1996 | 2 |
| 71 | Martial Larochelle | 2232 | 2 |
| 72 | Adam Dorrance | 2185 | 2 |
| 73 | Qiyu Zhou | 2160 | 2 |
| 74 | Stijn De Kerpel | 2157 | 2 |
| 75 | David Itkin | 2151 | 2 |
| 76 | Kevin Wan | 2148 | 2 |
| 77 | John Doknjas | 2065 | 2 |
| 78 | Chris Felix | 1993 | 2 |
| 79 | Mateusz Dydak | 1975 | 2 |
| 80 | Jason Kenney | 2159 | 2 |
| 81 | Gordon Giacomin | 1951 | 2 |
| 82 | FM Robert Hamilton | 2374 | 2 |
| 83 | Mark Plotkin | 2223 | 2 |
| 84 | Jeff Babb | 2211 | 2 |
| 85 | Lali Agbabishvili | 2099 | 2 |
| 86 | Mike Sun | 2080 | 2 |
| 87 | Joey Zhong | 2033 | 2 |
| 88 | Wenlu Yu | 2032 | 2 |
| 89 | Vladimir Drkulec | 1988 | 2 |
| 90 | Jeremy Hui | 1976 | 2 |
| 91 | Simon Kuttner | 1877 | 2 |
| 92 | Patrick Scantland | 1838 | 2 |
| 93 | Michael Su | 1770 | 2 |
| 94 | Victor Itkin | 1707 | 2 |
| 95 | Norman Devine | 1631 | 2 |
| 96 | Vitaliy Matytsyn | unr. | 2 |
| 97 | David Kenney | 1936 | 2 |
| 98 | Thomas Kurian | unr. | 2 |
| 99 | Luc Villeneuve | 1931 | 2 |
| 100 | David Forget | 1921 | 2 |
| 101 | Mario Moran-Venegas | 1880 | 2 |
| 102 | Max Gedajlovic | 1875 | 2 |
| 103 | Brian McKay | 1860 | 2 |
| 104 | Wenyang Ming | 1851 | 2 |
| 105 | Joshua Doknjas | 1848 | 2 |
| 106 | Nathan Farrant-diaz | 1748 | 2 |
| 107 | Yevgeni Nahutin | 2044 | 2 |
| 108 | Jacob Krolczyk | 1909 | 2 |
| 109 | Maurice Smith | 1494 | 2 |
| 110 | Miles Duggal | 1231 | 2 |
| 111 | Saeid Sadeghi | 1978 | 2 |
| 112 | Benjamin Blium | 1927 | 2 |
| 113 | Gordon Ritchie | 1730 | 2 |
| 114 | Cuong Quoc Nguyen | unr. | 2 |
| 115 | Ky Quoc Nguyen | unr. | 2 |
| 116 | Phap Quoc Nguyen | unr. | 2 |
| 117 | Rinna Yu | 1301 | 1.5 |
| 118 | Alex Y Lin | 1809 | 1.5 |
| 119 | Alex Danilov | 1767 | 1.5 |
| 120 | Kai Richardson | 1626 | 1.5 |
| 121 | Ryan Yang | 1911 | 1.5 |
| 122 | Brendon Lee | 1870 | 1.5 |
| 123 | Jeffrey Xu | 1862 | 1.5 |
| 124 | Curtis Barlow Wilkes | 1861 | 1.5 |
| 125 | Mackenzie Hardie | 1838 | 1.5 |
| 126 | Guy Piche | 1745 | 1.5 |
| 127 | Brian Murray | 1459 | 1.5 |
| 128 | Clark Zhang | 994 | 1.5 |
| 129 | David Cohen | 1866 | 1.5 |
| 130 | Alan Tomalty | 1764 | 1.5 |
| 131 | Konstantin Vlasenko | 1660 | 1.5 |
| 132 | Edward Selling | 1579 | 1.5 |
| 133 | Kyle Creamer | 1838 | 1.5 |
| 134 | Jaime Solis | 1658 | 1.5 |
| 135 | Thomas Guo | 1608 | 1.5 |
| 136 | Garland Best | 1603 | 1.5 |
| 137 | Melissa Lee | 1534 | 1.5 |
| 138 | Jatinder Dhaliwal | 1461 | 1.5 |
| 139 | Daniel Du | 1038 | 1.5 |
| 140 | Luc Gauthier | 1740 | 1.5 |
| 141 | Agastya Kalra | 2130 | 1 |
| 142 | James Currie | 1999 | 1 |
| 143 | Lenard Grossmann | 1614 | 1 |
| 144 | Ashley Tapp | 1481 | 1 |
| 145 | Kajan Thanabalachandran | 1759 | 1 |
| 146 | Chris White | 1757 | 1 |
| 147 | Robert Laszlo | 1753 | 1 |
| 148 | Robin Yu | 1751 | 1 |
| 149 | Stanley Wu | 1741 | 1 |
| 150 | Simon Perkins | 1614 | 1 |
| 151 | Samuel Chen | 1339 | 1 |
| 152 | Ken Douglas | unr. | 1 |
| 153 | Jean Bigras | 1762 | 1 |
| 154 | Matthew Morabito | 1799 | 1 |
| 155 | Francois Poitras | 1687 | 1 |
| 156 | Grant Schaper | 1647 | 1 |
| 157 | Conrad Macneil | 1598 | 1 |
| 158 | Frank Lee | 1471 | 1 |
| 159 | Richard Feng | 1364 | 1 |
| 160 | Ethan Low | 1105 | 1 |
| 161 | Marcel Laurin | 1625 | 1 |
| 162 | Adam Adriaanse | 1924 | 1 |
| 163 | Steven Faust | 1711 | 1 |
| 164 | Fernando Echavarria-hidalgo | 1679 | 1 |
| 165 | Walter Macneil | 1655 | 1 |
| 166 | Doug Gillis | 1618 | 1 |
| 167 | Vilas Karmalkar | 1604 | 1 |
| 168 | Jill Ding | 1585 | 1 |
| 169 | Kevin Low | 1484 | 0.5 |
| 170 | John Remillard | 1633 | 0.5 |
| 171 | Jeff Zhang | 1500 | 0.5 |
| 172 | Rowan James | 1072 | 0.5 |
| 173 | Alex Reny | 1067 | 0.5 |
| 174 | Robert J Armstrong | 1590 | 0.5 |
| 175 | Annika Zhou | 1045 | 0.5 |
| 176 | Neil Doknjas | 1228 | 0.5 |
| 177 | Keven Eyre | 1536 | 0 |
| 178 | W Thomson Bruce | 1528 | 0 |
| 179 | Dee Wu | 1188 | 0 |
| 180 | Aiden Zhou | 1136 | 0 |
| 181 | Nicholas Short | unr. | 0 |

