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Individual Calculations July 2016 |
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| Ostrovskiy, Aleksandr A Total change: -18.30 | |   |
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| 25th Annual Chicago Open | Wheeling, Illinois | USA | 2016-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2296 | 2390 | 4.00 | 8 | -0.94 | 10 | -9.40 | |
|  Amarasinghe, Prashantha N | | | 2105 | SRI | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Zherebukh, Yaroslav | g | | 2595 | USA | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Andrenko, Irina | | wm | 2214 | UKR | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Li, Zhaozhi | | | 2116 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Macieja, Bartlomiej | g | | 2554 | POL | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Carreto Nieto, Geovanni | c | | 2224 | MEX | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Niemann, Hans M | f | | 2298 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Zhang, Yuanchen | f | | 2262 | CAN | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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) | | | | Panamericano Sub-20 Absoluto COLOMBIA 2016 | Guatape | COL | 2016-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 2390 | 6.00 | 9 | -0.89 | 10 | -8.90 | |
| | Salcedo, Pablo Esteban | | | 2035 | COL | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Acevedo Del Rio, Andres F | | | 1990 * | COL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gonzalez Lopez, Nicolas Mateo | | | 2100 | COL | 0.00 | 1 | -0.84 | 10 | -8.40 | | | Cotto Mux, Hector Vinicio | | | 1990 * | GUA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Rengifo Blancas, Renzo Jhonath | | | 2140 | PER | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Tapia, Alexei | | | 2204 | PAN | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Nieto Rodriguez, Alejandro | f | | 2203 | DOM | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Santiago Vilca, Christian Amil | f | | 2269 | PER | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Supi, Luis Paulo | m | | 2488 | BRA | 0.00 | 1 | -0.37 | 10 | -3.70 | | | * 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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