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Individual Calculations April 2013 |
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| Vibbert, Sean Total change: 16.65 | |   |
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| 17th Annual Mid-America Open | St Louis, Missouri | USA | 2013-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2235 | 4.00 | 5 | 1.11 | 15 | 16.65 | |
|  Zelnick, David Ernest | | | 2007 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Kaidanov, Gregory S | g | | 2598 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Polgar-Shutzman, Tom | | | 2107 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Luo, Xin | | | 2025 | CHN | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Menon, Gopal S | | | 2191 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | |
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