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Individual Calculations July 2012 |
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| Itkin, David Total change: 13.50 | |   |
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| 21st Annual Chicago Open - Open Section | Wheeling, Illinois | USA | 2012-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2041 | 4.00 | 9 | 1.53 | 15 | 22.95 | |
|  Pruess, David | m | | 2390 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Melekhina, Alisa | f | wm | 2242 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Dougherty, Michael | f | | 2195 | CAN | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Magness, Trevor S | | | 2163 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Greanias, Steven D | | | 2155 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Aliyev, Timur | | | 2258 | ISR | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Wu, Christopher | | | 2204 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Williams, Justus D | | | 2189 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Hendrickson, Nolan R | | | 2141 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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) | | | | 2012 Guelph Summer ProAm | Guelph, Ontario | CAN | 2012-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2041 | 1.00 | 5 | -0.63 | 15 | -9.45 | |
| | Noritsyn, Nikolay | m | | 2441 * | CAN | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Plotkin, Victor | f | | 2243 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Ochkoos, Jura | f | | 2267 | CAN | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Preotu, Razvan | | | 2036 | CAN | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Knox, Christopher | | | 1979 | CAN | 0.00 | 1 | -0.59 | 15 | -8.85 | | | * 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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