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Individual Calculations September 2009 |
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| Guo, Gill Y Total change: 3.45 | |   |
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| 2009 Chesapeake Open | Baltimore, Maryland | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2115 | 0.00 | 1 | -0.27 | 15 | -4.05 | |
|  Melekhina, Alisa | | wm | 2287 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | 39th Annual Continental Open | Sturbridge, Massachusetts | USA | 2009-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2111 | 1.50 | 4 | 0.50 | 15 | 7.50 | |
|  Shmelov, Denys K | | | 2360 | UKR | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Kacheishvili, Giorgi | g | | 2511 * | GEO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Iwu, Okechukwu A | | | 2189 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Williams, Christopher | | | 2230 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | * 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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