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Individual Calculations September 2010 |
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| Melekhina, Alisa Total change: 7.80 | |   |
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| 4th Annual Philadelphia International | King of Prussia, Pennsylvania | USA | 2010-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2265 | 2.00 | 6 | -1.29 | 15 | -19.35 | |
|  Bercys, Salvijus | m | | 2427 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Studen, Damir | | | 2182 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Battaglini, Gabriel | m | | 2420 | FRA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Korenevski, Oleg | | | 1941 | AUS | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Mulyar, Michael A | m | | 2398 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Helfst, Matt | | | 1884 | USA | 0.50 | 1 | -0.41 | 15 | -6.15 | |
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) | | | | 38th Annual World Open - Open Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2265 | 0.50 | 3 | -1.07 | 15 | -16.05 | |
| | Robson, Ray | g | | 2569 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Ryba, Andrew | | | 2094 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Sherman, David | | | 2117 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2265 | 3.50 | 4 | 1.34 | 15 | 20.10 | |
| | Markzon, Gregory | f | | 2193 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Karklins, Andrew | f | | 2210 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Tate, Emory A | m | | 2330 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Shen, Victor C | f | | 2213 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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) | | | | 2010 US Womens Championship | St. Louis, Missouri | USA | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2313 | 2265 | 4.50 | 9 | 0.56 | 15 | 8.40 | |
| | Marshall, Abby | | wf | 2182 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Marinello, Beatriz | | wm | 2160 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Abrahamyan, Tatev | | wf | 2310 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Zatonskih, Anna | m | wg | 2470 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Rohonyan, Katerine | | wg | 2319 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Baginskaite, Camilla | | wg | 2343 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Krush, Irina | m | wg | 2476 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Foisor, Sabina-Francesca | | wg | 2317 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Zenyuk, Iryna | c | wm | 2236 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | | | World Girls U-20 Championship | Czarna/Chotowa | POL | 2010-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 2265 | 8.50 | 13 | 0.98 | 15 | 14.70 | |
| | Chierici, Marianna | | wf | 2016 | ITA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Forestier, Carole | | | 2103 | FRA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Gosciniak, Maria | | wf | 2149 | POL | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Adamowicz, Katarzyna | | wf | 2123 | POL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Toth, Sarolta | | wf | 2208 | HUN | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Nakhbayeva, Guliskhan | | wm | 2216 | KAZ | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Warakomska, Anna | | wf | 2192 | POL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Heredia Serrano, Carla | | wm | 2080 | ECU | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Muminova, Nafisa | | wm | 2290 | UZB | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Muzychuk, Anna | m | wg | 2527 | SLO | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Corke, Anya | | wg | 2257 | ENG | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Padmini, Rout | | wm | 2275 | IND | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Mammadova, Gulnar Marfat Qizi | | wf | 2260 | AZE | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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