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Individual Calculations September 2013 |
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| Hua, Margaret Total change: -19.35 | |   |
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| 2013 Susan Polgar Girls Invitational | St Louis, Missouri | USA | 2013-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1941 | 1.50 | 3 | -0.23 | 15 | -3.45 | |
|  Vescovi, Katherine | c | | 1782 | BRA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Mendoza, Luisa Mercado | | wf | 2051 | COL | 0.00 | 1 | -0.35 | 15 | -5.25 | |  Avirneni, Thanu | | | 1818 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | 2013 NAYCC U18G | Toronto | CAN | 2013-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1941 | 2.00 | 7 | -1.06 | 15 | -15.90 | |
| | Regam, Jessica | | | 2001 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Gorti, Akshita | | wc | 1936 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Kalaydina, Regina-Veronicka | | | 1958 | CAN | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Lee, Wfm Megan | | wf | 2084 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Ulrich, Rachel | | | 1924 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Gologorsky, Wcm Rachel | | wc | 1941 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Botez, Wcm Alexandra | | wc | 2076 | CAN | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | |
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