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Individual Calculations March 2011 |
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| Itkin, David Total change: 75.00 | |   |
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| 20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 1829 | 3.00 | 7 | 2.01 | 15 | 30.15 | |
|  Steinfl, Alessandro | | | 2211 | ITA | 0.50 | 1 | 0.41 | 15 | 6.15 | |  Perepelitsky, Edward | | | 2153 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Gershenov, Ben | | | 2044 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Brownscombe, Tom | f | | 2168 | USA | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Kitagami, Show | | | 2073 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gu, Christopher | | | 2188 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Sandberg, Evan M | | | 2164 | USA | 1.00 | 1 | 0.88 | 15 | 13.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2011 Guelph Winter ProAm Open | Guelph, Ontario | CAN | 2011-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1854 | 2.50 | 5 | 1.07 | 15 | 16.05 | |
| | Calugar, Arthur | | | 2173 | CAN | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Drkulec, Vladimir | | | 2055 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Ferreira, Alex T. | | | 2028 | CAN | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Egorov, Mikhail | | | 2033 | CAN | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Bzikot, Robert | | | 1843 | CAN | 0.50 | 1 | -0.02 | 15 | -0.30 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2011 Hart House Reading Week Open | Toronto, Ontario | CAN | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 1854 | 3.00 | 6 | 1.92 | 15 | 28.80 | |
| | Vaingorten, Yaaqov | f | | 2254 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Gusev, Nikita | | | 2077 | CAN | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Kleinman, Michael | | | 2127 | CAN | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Gelis, Paul | | | 2022 | CAN | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Shebetah, Wajdy | | | 2050 | PLE | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Sapozhnikov, Roman | | | 2254 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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