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Individual Calculations September 2011 |
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| Kats, Alena Total change: 42.90 | |   |
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| 2011 North American Youth Championship - U18 Open | Tarrytown, New York | USA | 2011-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2092 | 4.00 | 6 | 1.20 | 15 | 18.00 | |
|  Benitez Lozano, Javier | | | 1995 | MEX | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Ng, Andrew | | | 2138 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Vilenchuk, Michael | | | 2186 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Fikiet, Alex M | | | 2233 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Karas, Nicholas | | | 2142 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Wang, Jesse B | | | 2007 | CAN | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | Curacao Chess Festival 2011 Rounds 1-9 | Willemstad | AHO | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2097 | 4.00 | 7 | 1.13 | 15 | 16.95 | |
| | Maduro, Sherman | | | 2033 | AHO | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Ostrovskiy, Aleksandr A | f | | 2294 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Blijstra, Wim | | | 2239 | NED | 0.00 | 1 | -0.31 | 15 | -4.65 | | | De Mey, Juan Pablo | | | 1905 | ARU | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Van Wely, Loek | g | | 2497 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Lopez, Jasel | c | | 2127 | ARU | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Matoewi, Roger | c | | 2150 | SUR | 0.50 | 1 | 0.07 | 15 | 1.05 | | | * 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) | | | | 2011 Manhattan Open - U2300 Section | New York, New York | USA | 2011-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 2097 | 4.00 | 6 | 0.53 | 15 | 7.95 | |
| | Khaburzania, Shalv | | | 1961 | GEO | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Hinson, Miles | | | 2002 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Matlin, Anna R | | | 1963 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ryba, Nicholas | | | 2105 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Krause, Benjamin W | | | 2163 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Wu, Christopher | | | 2038 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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