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Individual Calculations May 2013 |
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| Christiansen, Natasha Total change: -20.25 | |   |
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| 43rd Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2013-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1875 | 0.50 | 4 | -0.70 | 15 | -10.50 | |
|  Fishbein, Matthew | | | 1871 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Chandran, Kapil | | | 2135 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Ryba, Andrew | | | 2183 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Graeffe, J Alex | | | 1968 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | Naperville International Women Championship | Naperville, Illinois | USA | 2013-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 1875 | 0.50 | 9 | -0.57 | 15 | -8.55 | |
| | Agrest, Inna | | wm | 2199 | SWE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Ni, Viktorija | | wm | 2263 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Styazhkina, Anna | | wf | 2175 | RUS | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Aseeva, Marina | | | 2222 | RUS | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Stjazhkina, Olga | | wg | 2237 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Sharevich, Anna | | wg | 2266 | BLR | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Kats, Alena | | wf | 2135 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Zakurdjaeva, Irina | | wg | 2248 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Tjoelsen, Katrine | | wm | 2214 | NOR | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | 2013 Saco Open | Saco, Maine | USA | 2013-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 1875 | 0.00 | 1 | -0.08 | 15 | -1.20 | |
| | Vigorito, David | m | | 2275 * | USA | 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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