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Individual Calculations April 2009 |
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| Heredia Serrano, Carla Total change: -8.40 | |   |
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| Schaakfestival Groningen - Groep A | Groningen | NED | 2008-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2104 | 3.00 | 9 | -0.69 | 15 | -10.35 | |
|  Van Eijk, Sander | f | | 2366 | NED | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Burg, Twan | f | | 2382 | NED | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Pel, Bonno | f | | 2324 | NED | 0.00 | 1 | -0.22 | 15 | -3.30 | | | De Groote, Ewoud | | | 2208 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Cako, Laszlo | | | 2234 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Mellema, Andries | | | 2097 | NED | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Ten Hertog, Hugo | | | 2118 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Nicolai, Amir | | | 1820 | NED | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Heller, Milan | | | 2024 | NED | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | XIV Grand Prix, Segunda Parada | Guayaquil | ECU | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 2106 | 3.00 | 5 | 0.13 | 15 | 1.95 | |
| | Medina, Miguel | | | 2439 | ECU | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Sanaguano Castillo, Jhon | | | 1756 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Loayza Campoverde, Pedro A | | | 1756 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Bastidas Rodriguez, Emilio | m | | 2355 | ECU | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Bravo Navarro, Wilson | | | 1881 | ECU | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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) | | |
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