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Individual Calculations September 2013 |
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| Botez, Alexandra Total change: 9.75 | |   |
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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 |
| 1845 | 2040 | 1.50 | 3 | -0.76 | 15 | -11.40 | |
|  Vazquez Maccarini, Danitza | | wf | 1859 | PUR | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Yu, Jennifer | | | 1838 | USA | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Xiang, Evan | | wf | 1837 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | 2013 NAYCC U18G | Toronto | CAN | 2013-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 2076 | 6.50 | 8 | 1.41 | 15 | 21.15 | |
|  Lee, Wfm Megan | | wf | 2084 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Ulrich, Rachel | | | 1924 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Peng, Wfm Jackie | | wf | 2012 | CAN | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Gologorsky, Wcm Rachel | | wc | 1941 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kalaydina, Regina-Veronicka | | | 1958 | CAN | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Regam, Jessica | | | 2001 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Gorti, Akshita | | wc | 1936 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Hua, Margaret | | | 1941 | USA | 1.00 | 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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